Significant Earthquakes of the World
1983
SIGNIFICANT EARTHQUAKES OF THE WORLD, 1983
Earthquakes of magnitude 6.5 or greater or ones that caused fatalities,
injuries or substantial damage.
DATE ORIGIN TIME GEOGRAPHIC DEPTH MAGNITUDES SD NO. REGION, CONTRIBUTED MAGNITUDES AND COMMENTS
UTC COORDINATES GS STA
HR MN SEC LAT LONG MB Msz USED
1983
Jan 8 11 21 29.5 15.39 S 173.33 W 33 N 6.1 6.3 1.1 267 TONGA ISLANDS. Ms 6.5 (BRK), 6.3 (PAS).
Mo=4.8*10**18 Nm (GS). Mo=3.0*10*18 Nm (HRV).
Felt (IV) at Apia, Samoa Islands. The focal
mechanism is moderately well controlled and
corresponds to reverse faulting.
Jan 17 12 41 29.7 38.03 N 20.23 E 14 6.1 7.0 1.3 329 GREECE. Ms 7.2 (BRK), 7.1 (PAS).
Mo=3.0*10**19 Nm (GS). Mo=2.4*10**19 Nm (HRV).
Minor damage on Kefallinia, Levkas and Zakinthos.
Also minor damage at Preveza and Killini. Felt
in Albania, Italy and southern Yugoslavia. The
focal mechanism is moderately well controlled
and corresponds to reverse faulting.
Jan 18 15 23 36.8 57.97 S 24.31 W 56 D 5.9 6.5 1.2 108 SOUTH SANDWICH ISLANDS REGION. Ms 6.4 (BRK).
Mo=5.1*10**18 Nm (HRV). The focal mechanism is
poorly controlled and corresponds to reverse
faulting.
Jan 24 08 17 39.6 16.15 N 95.23 W 57 6.3 6.7 1.2 351 OAXACA, MEXICO. Ms 7.0 (BRK), 6.5 (PAS).
Mo=2.1*10**19 Nm (HRV). Damage in the Juchitan
area and slight damage in the Mexico City area.
Felt strongly in southeastern Mexico. The fault
mechanism is moderately well controlled and
corresponds to normal faulting.
Feb 13 01 40 10.9 39.95 N 75.14 E 16 5.6 6.2 1.3 194 SOUTHERN XINJIANG, CHINA. Mo=2.6*10**18 Nm (HRV).
Several people injured and moderate damage in the
Wuqia area, China. Felt (IV) in the Andizhan-Naryn
area, USSR. Also felt (III) at Frunze and (II) at
Tashkent, USSR.
Feb 13 06 35 30.0 13.84 N 144.94 E 105 D 5.7 1.2 205 MARIANA ISLANDS. mb 6.3 (BRK).
Mo=1.8*10**18 Nm (HRV). One person slightly
injured at Tamuning, Guam. Slight damage (VI) in
northern Guam. Felt throughout Guam and (V) on
Saipan.
Feb 14 03 20 04.4 54.93 N 159.19 W 47 D 5.9 6.3 1.3 318 SOUTH OF ALASKA. Ms 6.5 (BRK).
Mo=6.7*10**18 Nm (GS). Mo=7.1*10**18 Nm (HRV).
Felt (V) at Sand Point and Chignik. Felt (IV) at
Chignik Lake, Chignik Lagoon, Cold Bay and Ivanof
Bay. Also felt at False Pass, King Cove, Perryville
and Port Heiden. The focal mechanism is poorly
controlled and corresponds to reverse faulting.
Feb 25 18 22 12.9 41.96 N 21.54 E 24 4.7 0.9 58 YUGOSLAVIA. Twelve people died from heart attacks
in the Skopje area. Felt (VI) at Skopje. Slight
damage near Dolno Kolicani.
Feb 27 12 14 20.7 35.87 N 139.92 E 78 5.9 0.9 297 NEAR SOUTH COAST OF HONSHU, JAPAN.
Mo=8.1*10**17 Nm (GS). Mo=7.8*10**17 Nm (HRV).
Eleven people injured in the Tokyo area. Felt
(IV JMA) in the Mito, Tokyo, Utsunomiya and
Yokohama areas. The focal mechanism is
moderately well controlled and corresponds to
reverse faulting.
Mar 8 17 06 36.5 11.01 N 62.36 W 82 5.9 0.9 307 WINDWARD ISLANDS. Mo=8.4*10**17 Nm (HRV).
Ten people injured while jumping from buildings
on Trinidad. Felt (VI) on Trinidad. Also felt
on Tobago, St. Vincent and in northeastern
Venezuela. The focal mechanism is moderately
well controlled and corresponds to reverse
faulting.
Mar 12 01 36 35.8 4.06 S 127.92 E 17 6.0 6.5 1.1 257 BANDA SEA. Ms 6.9 (PAS). Mo=1.3*10**19 Nm (GS).
Mo=9.3*10**18 Nm (HRV). Slight damage at Ambon,
Ceram. The focal mechanism is poorly controlled
and corresponds to reverse faulting.
Mar 15 17 27 26.3 34.78 N 137.57 E 43 5.3 4.8 1.0 183 NEAR SOUTH COAST OF HONSHU, JAPAN.
Mo=1.4*10**17 Nm (GS). Mo=1.1*10**19 Nm (HRV).
One person killed, two injured and slight damage
(IV JMA) in the Nagoya area. Felt (III JMA) in
the Kyoto-Shizuoka area. Also felt (I JMA) in
the Tokyo-Toyooka-Owase area.
Mar 15 19 58 30.4 5.35 N 126.57 E 41 D 5.7 6.6 1.3 170 MINDANAO, PHILIPPINE ISLANDS. Ms 6.7 (PAS).
Mo=1.1*10**19 Nm (GS). Mo=6.6*10**18 Nm (HRV).
The focal mechanism is poorly controlled and
corresponds to reverse faulting.
Mar 18 09 05 50.0 4.88 S 153.58 E 89 6.5 7.6 1.3 334 NEW IRELAND REGION. Ms 7.9 (BRK).
Mo=4.6*10**20 Nm (HRV). Damage (VII) along the
southeast coast of New Ireland. Landslides and ground cracks occurred, trees were uprooted and steam was ejected
from fumaroles in the Feni Islands. Slight damage (VI) and minor landslides in the Rabaul area, New Britain.
Felt on Bougainville and (III) at Port Moresby, New Guinea. Felt strongly by two ships at sea in the epicentral
area. Twentyfive-centimeter tsunami recorded at Rabaul. Minor tsunami observed in the Feni Islands and along
the southeast coast of New Ireland. The focal mechanism is moderately well controlled and corresponds to
reverse faulting.
Mar 23 23 51 06.5 38.29 N 20.26 E 19 5.8 6.2 1.3 258 GREECE. ML 6.0 (ATH). Mo=4.3*10**18 Nm (GS).
Mo=2.2*10**18 Nm (HRV). Seven people injured
and 160 homes damaged the Vonitsa area. Felt
strongly along the west coast of Greece and on
Levkas, Kefallinia and Zakinthos. The focal
mechanism is moderately well controlled and
corresponds to strike-slip faulting.
Mar 25 11 57 49.3 35.95 N 52.26 E 33 N 5.2 4.9 1.0 146 IRAN. Thirty people killed, 61 injured,
many homes damaged and landslides in the
Damavand-Amol area. Felt at Tehran.
Mar 31 13 12 52.6 2.46 N 76.69 W 22 5.5 4.9 1.2 167 COLOMBIA. Mo=3.5*10**17 Nm (HRV). Between
250 and 350 people killed, many injured and
extensive damage (VIII) in the Popayan area.
Felt from Bogota to Pasto.
Apr 3 02 50 01.1 8.72 N 83.12 W 37 D 6.5 7.3 1.0 318 COSTA RICA. Ms 7.2 (BRK). Mo=4.8*10**19 Nm (GS).
Mo=1.8*10**20 Nm (HRV). Five people died from
heart attacks, one person killed by a collapsing
house, and several people injured in southeastern
Costa Rica. Also felt strongly in southwestern
Panama. The focal mechanism is poorly controlled
and corresponds to reverse faulting.
Apr 4 02 51 34.3 5.72 N 94.72 E 79 6.6 1.0 426 NORTHERN SUMATERA. mb 6.8 (PAS).
Mo=2.7*10**19 Nm (GS). Mo=3.4*10**19 Nm (HRV).
Casualties and damage reported in the Banda Aceh
area. The focal mechanism is moderately well
controlled and corresponds to reverse faulting.
Apr 4 23 12 47.1 49.41 N 155,60 E 51 D 6.1 6.5 0.9 335 KURIL ISLANDS. Ms 6.2 (BRK), 6.0 (PAS).
Mo=6.4*10**18 Nm (GS). Mo=6.4*10**18 Nm (HRV).
Felt (V) in the northern Kuril Islands and in
southern Kamchatka. The focal mechanism is poorly
controlled and corresponds to reverse faulting.
Apr 5 06 50 33.4 40.03 N 75.26 E 33 N 5.5 5.6 1.0 215 KIRGHIZ-XINJIANG BORDER REGION.
Mo=5.7*10**17 Nm (HRV). Casualties and damage
reported in western China.
Apr 12 12 07 54.5 4.84 S 78.10 W 104 6.5 1.2 382 PERU-ECUADOR BORDER REGION. mb 6.7 (BRK),
6.6 (PAS). Mo=3.5*10**19 Nm (GS).
Mo=3.5*10**19 Nm (HRV). Felt strongly in
northern Peru. Also felt in central and
southern Ecuador. The focal mechanism is poorly
controlled and corresponds to normal faulting.
Apr 18 10 58 51.2 27.79 N 62.05 E 64 6.5 1.2 369 SOUTHERN IRAN. Ms 6.5 (BRK), 6.1 (PAS).
Mo=3.4*10**19 Nm (GS). Mo=1.4*10**19 Nm (HRV).
Felt strongly in southeastern Iran. Also felt
at Karachi, Pakistan. The focal mechanism is
well controlled and corresponds to strike-slip
faulting.
Apr 22 00 37 37.0 14.93 N 99.02 E 10 G 5.9 5.9 1.0 273 SOUTHEAST ASIA. Ms 5.8 (BRK).
Mo=3.7*10**17 Nm (GS). Mo=6.4*10*17 Nm (HRV).
Damage in Thailand. Felt strongly throughout
most of the country. Also felt at Mergui, Pegu,
and Tavoy, Burma. The focal mechanism is
moderately well controlled and corresponds to
reverse faulting.
Apr 30 14 03 49.2 41.47 N 143.76 E 30 6.5 6.3 1.0 465 HOKKAIDO, JAPAN REGION. Ms 5.8 (BRK), 6.2 (PAS).
Mo=3.4*10**18 Nm (HRV). Felt (III JMA) at
Urakawa and (II JMA) in southern Hokkaido and
at Aomori, Honshu. The focal mechanism is
moderately well controlled and corresponds to
normal faulting.
May 2 23 42 37.7 36.22 N 120.32 W 10 G 6.2 6.5 471 CENTRAL CALIFONRIA. <GS>. ML 6.7 (BRK),
6.3 (PAS). Mo=2.8*10**18 Nm (BRK).
Mo=7.4*10**18 Nm (GS). Mo=5.7*10**18 Nm (HRV). Forty-five people injured, 13 of them seriously, in the Coalinga
area. Damage from the earthquake estimated at 31 million dollars with the worst damage occurring in the
downtown area of Coalinga. Maximum intensity VIII. More than 500 homes were severely damaged in the Coalinga
area; damage also occurred at Avenal and other surrounding communities. The earthquake was felt from Los Angeles
to Sacramento and from San Francisco to Reno. The focal mechanism is moderately well controlled and corresponds
to reverse faulting.
May 10 18 27 31.8 4.81 S 152.51 E 72 6.0 6.5 1.0 293 NEW BRITAIN REGION. Ms 6.9 (BRK), 6.8 (PAS).
Mo=1.1*10**19 Nm (GS). Mo=1.2*10**19 NM (HRV).
Felt (IV) in the Rabaul area. The focal mechanism
is poorly controlled and corresponds to reverse
faulting.
May 15 00 24 00.6 18.91 S 175.64 W 33 N 5.7 6.5 1.2 203 TONGA ISLANDS. Ms 6.4 (BRK), 6.5 (PAS).
Mo=1.1*10**19 Nm (HRV).
May 26 02 59 59.6 40.46 N 139.10 E 24 6.8 7.7 1.1 481 NEAR WEST COAST OF HONSHU, JAPAN. Ms 7.7 (BRK),
7.7 (PAS), 7.8 (PAL). Mo=1.2*10**20 Nm (GS).
Mo=4.6*10**20 Nm (HRV). At least 104 people killed, some injured, and extensive damage to dwellings, roads, and
vessels caused by earthquake and a tsunami along the Japan Sea coast from southern Hokkaido to the Niigata area,
Honshu. Many of the casualties and much of the damage occurred on the Oga Peninsula. Tsunami damage occurred as
far away as Yamaguchi Prefecture in southwestern Honshu, along the Japan Sea coast of USSR, and along the
eastern and southern coasts of South Korea, where three additional people were killed. Felt (V JMA) at Akita.
Felt on Hokkaido and throughout northern and central Honshu. Estimated tsunami heights were 14 meters at
Minehama, Honshu, 2-6 meters along southern Hokkaido and northern Honshu, up to 8 meters along the coast of USSR,
and 4 meters along the coast of South Korea. The focal mechanism is moderately well controlled and corresponds
to reverse faulting.
June 1 01 59 54.6 17.04 S 174.61 W 180 D 6.2 1.0 343 TONGA ISLANDS. mb 6.6 (PAS), 6.3 (BRK).
Mo=8.3*10**18 Nm (GS). Mo=7.2*10**18 Nm (HRV).
Felt (II) at Apia, Samoa Islands. The focal
mechanism is poorly controlled and corresponds
to normal faulting.
June 1 10 58 44.8 15.69 S 172.81 W 33 N 5.6 6.1 1.4 118 SAMOA ISLANDS REGION. Ms 6.5 (BRK).
Mo=2.2*10**18 Nm (HRV).
June 21 06 25 27.3 41.35 N 139.10 E 10 6.7 6.9 1.1 468 HOKKAIDO, JAPAN REGION. Ms 6.5 (BRK), 6.9 (PAS).
Mo=1.2*10**19 Nm (GS). Mo=1.9*10**19 Nm (HRV).
Some damage in northern Honshu. Felt (IV JMA) at Esashi, (III JMA) at Hakodate and (I JMA) at Sapporo, Hokkaido.
Felt (IV JMA) at Aomori and (III JMA) at Akita, Honshu. Felt widely in southern Hokkaido and northern Honshu.
One meter tsunami occurred at Akita, Noshiro, and Wakami; 40-centimeter tsunami at Aomori and Fukaura, Honshu.
Fifty-centimeter tsunami reported in many areas along the west coast of northern Honshu. The focal mechanism is
poorly controlled and corresponds to reverse faulting.
June 24 07 18 22.1 21.72 N 103.28 E 18 D 6.1 6.6 1.2 308 SOUTHEAST ASIA. Ms 6.4 (PAS).
Mo=3.7*10**18 Nm (GS). Mo=3.5*10**18 Nm (HRV).
Felt (VI) at Haiphong, Hanoi and Hoa Binh; (V)
at Thai Nguyen, Thanh Hoa and Tuyen Quang; (IV)
at Ha Bac, Vietnam. Also felt at Hong Kong.
The focal mechanism is well controlled and
corresponds to strike-slip faulting.
June 24 09 06 45.8 24.18 N 122.40 E 44 6.1 6.7 1.0 311 TAIWAN REGION. Ms 6.4 (BRK), 6.4 (PAS).
Mo=1.1*10**19 Nm (GS). Mo=9.4*10**18 Nm (HRV).
Felt on Taiwan. Felt (III JMA) on Iriomote-jima,
and (II JMA) on Ishigaki-shima and Yonaguni-jima,
Ryukyu Islands. The focal mechanism is moderately
well controlled and corresponds to reverse faulting.
July 3 17 14 23.1 9.65 N 83.69 W 33 N 5.9 6.2 1.0 180 COSTA RICA. Ms 6.7 (BRK), 6.1 (PAS).
Mo=6.1*10**18 Nm (GS). Mo=3.8*10**18 Nm (HRV).
Two people killed and approximately 60 injured.
Considerable damage to buildings. Landslides
blocked and damaged some roads. The focal
mechanism is moderately well controlled and
corresponds to normal faulting.
July 5 12 01 27.3 40.32 N 27.22 E 10 G 5.7 6.1 1.2 234 TURKEY. ML 5.9 (ATH). Mo=1.8*10**18 Nm (HRV).
Five people killed and 25 injured in the Biga
area. One person injured at Erdek and minor
damage in the Istanbul area. Felt also in
eastern Greece.
July 7 16 05 39.7 22.61 S 170.73 E 34 5.7 6.2 1.2 154 LOYALTY ISLANDS REGION. Ms 6.5 (BRK).
Mo=4.6*10**18 Nm (HRV).
July 11 12 56 28.3 60.89 S 53.02 W 10 G 6.1 6.9 1.2 202 SOUTH SHETLAND ISLANDS. Ms 7.0 (BRK),
6.7 (PAS). Mo=2.6*10**19 Nm (GS).
Mo=3.3*10**19 Nm (HRV). The focal mechanism
is moderately well controlled and corresponds
to strike-slip faulting.
July 20 22 03 29.2 37.50 N 15.15 E 33 N 4.4 1.5 21 SICILY. One person died from a heart attack and
20 people slightly injured in the Catania area.
July 22 02 39 53.7& 36.23 N 120.42 W 9 G 6.0 5.7 238 CENTRAL CALIFORNIA. <GS>. ML 5.9 (BRK),
5.8 (PAS). Mo=8.5*10**17 Nm (BRK).
Mo=5.3*10**17 Nm (HRV). Two people injured and
slight damage (VI) at Coalinga. Felt (V) in parts
of Fresno, Kern, Kings, Monterey, San Luis Obispo,
and Tulare Counties. Felt throughout central
California from Sacramento to Bakersfield.
The focal mechanism is poorly controlled and
corresponds to reverse faulting.
July 22 02 41 00.8 36.95 N 49.18 E 41 5.6 5.0 1.1 185 WESTERN IRAN. Three people killed, 41 injured
and 75 homes destroyed in the Zanjan area.
Aug 2 02 17 41.0 20.44 N 122.10 E 158 D 6.1 1.1 391 PHILIPPINE ISLAND REGION. mb 6.5 (PAS).
Mo=3.4*10**18 Nm (GS). Mo=2.9*10**18 Nm (HRV).
Felt in southern Taiwan. The focal mechanism is
moderately well controlled and corresponds to
normal faulting.
Aug 2 09 01 05.5 49.15 N 6.70 E 0 G 0.9 23 GERMANY. ML 3.5 (GRF), 3.4 (DOU), 3.4 (LDG).
One person killed and one person injured in a
mine collapse.
Aug 6 15 43 51.2 40.14 N 24.77 E 2 6.2 7.0 1.2 301 AEGEAN SEA. Ms 7.3 (BRK), 7.2 (PAS).
Mo=1.5*10**19 Nm (GS). Mo=1.2*10**19 Nm (HRV).
Slight damage on Limnos and to four monasteries
in the Mount Athos area. Felt strongly in
northern Greece, southern Bulgaria and
northwestern Turkey. The focal mechanism is
well controlled and corresponds to strike-slip
faulting.
Aug 8 03 47 57.1 35.50 N 139.07 E 25 D 5.9 5.3 1.2 337 NEAR SOUTH COAST OF HONSHU, JAPAN.
Mo=4.0*10**17 Nm (GS). Mo=3.7*10**17 Nm (HRV).
One person killed, 28 injured, several houses damaged and landslides in Kanagawa, Tokyo, Saitama, Shizuoka,
and Yamanashi Prefectures. A highway was cracked near Ogawa. Felt (IV JMA) at Kofu, Mishima, Tokyo and Yokohama.
Felt (I JMA) from Osaka to Morioka and on Hachijo-jima. The focal mechanism is poorly controlled and corresponds
to reverse faulting.
Aug 17 10 55 54.1 55.87 N 161.29 E 63 6.6 1.2 413 NEAR EAST COAST OF KAMCHATKA. Ms 6.5 (BRK),
mb 7.0 (PAS). Mo=4.3*10**19 Nm (GS).
Mo=4.1*10**19 Nm (HRV). The focal mechanism is
poorly controlled and corresponds to reverse
faulting.
Aug 17 12 17 56.0 18.23 N 120.86 E 29 D 6.2 6.5 1.1 330 LUZON, PHILIPPINE ISLANDS.
Mo=8.8*10**18 Nm (HRV). Sixteen people
killed, 47 injured and extensive damage in the
Pasuquin-Laoag-Batac and Serrat areas.
Sandblows, liquefaction, cracks on some
highways, and many landslides occurred in the
area. Felt (III RF) at Manila. Unconfirmed
reports of a small tsunami along the coast of
Ilocos Norte Province.
Aug 25 20 23 33.3 33.51 N 131.48 E 126 6.1 1.1 478 KYUSHU, JAPAN. Mo=6.6*10**18 Nm (GS).
Mo=6.5*10**18 Nm (HRV). One person slightly
injured and a landslide occurred at Hiroshima.
Felt (IV JMA) at Hiroshima, Kochi, Matsuyama,
Nobeoka and Uwajima. Felt (III JMA) in
southwestern Honshu and on Shikoku and Kyushu.
Also felt (V) at Iwakuni and (I JMA) as far east
as Nagano and Mishima. The focal mechanism is
poorly controlled and corresponds to reverse
faulting.
Sep 17 12 11 42.7 16.64 S 177.48 W 33 N 6.1 6.5 1.2 211 FIJI ISLANDS REGION. Ms 6.4 (BRK).
Mo=1.1*10**19 Nm (GS). Mo=7.8*10**18 Nm (HRV).
The focal mechanism is moderately well controlled
and corresponds to strike-slip faulting.
Oct 4 18 52 13.3 26.54 S 70.56 W 15 6.4 7.3 1.2 285 NEAR COAST OF NORTHERN CHILE. Ms 7.4 (BRK),
7.4 (PAL). Mo=1.6*10**20 Nm (GS).
Mo=3.4*10**20 Nm (HRV). At least 5 people killed, 24 injured and extensive damage in the Copiapo-Chanaral area.
A 1.5-meter uplift near Chanaral was reported and some roads were blocked by landslides. A minor tsunami was
recorded at Valparaiso. Felt strongly (VII) in northern Chile. Felt also in Argentina, Bolivia and Brazil. This
appears to be a multiple event. The focal mechanism is poorly controlled and corresponds to reverse faulting.
Oct 7 10 18 46.1& 43.94 N 74.26 W 13 G 5.1 127 NEW YORK. <PAL-P>. mbLg 5.3 (BLA), ML 5.1 (PAL).
Mo=3.0*10**16 Nm (HRV). One person injured at New
Baltimore. Slight damage (VI) at Blue Mountain Lake,
Indian Lake, Minerva and North River. Felt (V) at
Adirondack, Childwold, Moriah Center, Newcomb,
North Creek, Old Forge, Olmstedville, Piercefield,
Severeance, Wanakena and many other areas of
upstate New York. Felt throughout the northeastern
United States and in parts of Canada.
Oct 15 10 56 50.8 8.10 S 156.31 E 7 5.9 6.7 1.0 187 SOLOMON ISLANDS. Ms 6.7 (BRK).
Mo=5.9*10**18 Nm (GS). Mo=1.0*10**19 Nm (HRV).
Felt on Simbo Island. Also felt (VI) at Rabaul,
New Britain. The focal mechanism is poorly
controlled and corresponds to reverse faulting.
Oct 17 19 36 21.4 37.59 N 17.52 W 10 G 6.0 6.3 1.1 279 NORTH ATLANTIC OCEAN. Ms 6.6 (BRK).
Mo=4.2*10**18 Nm (GS). Mo=4.5*10**18 Nm (HRV).
The focal mechanism is moderately well controlled
and corresponds to strike-slip faulting.
Oct 21 20 34 49.1 40.13 N 29.38 E 14 5.1 5.0 1.1 196 TURKEY. Four people injured and slight damage
at Bursa.
Oct 22 04 21 35.0 60.67 S 25.45 W 24 D 6.5 6.8 1.3 132 SOUTH SANDWICH ISLANDS REGION. Ms 6.7 (BRK).
Mo=6.4*10**19 Nm (GS). Mo=1.3*10**17 Nm (HRV).
The focal mechanism is moderately well controlled
and corresponds to strike-slip faulting.
Oct 28 14 06 06.6 44.06 N 113.86 W 10 G 6.2 7.3 1.1 377 EASTERN IDAHO. Mo=2.5*10**19 Nm (GS).
Mo=3.1*10**19 Nm (HRV). Two people killed, two
injured, and considerable damage at Challis. One person injured and extensive damage at Mackay. Maximum intensity
VII in the Challis-Mackay area. Total damage from the earthquake estimated at 15 million dollars. System of fault
scarps extending for more than 35 kilometers with vertical displacement up to 2.7 meters observed between Mackay
and Challis. Landslides, rockfalls and groundwater changes occurred throughout the region, including changes to
geyser activity in Yellowstone National Park. The earthquake was felt in Idaho, Washington, Montana, Oregon,
Nevada, Wyoming, Utah, and parts of Canada. The focal mechanism is moderately well controlled and corresponds to
normal faulting.
Oct 30 04 12 27.1 40.33 N 42.19 E 12 6.1 6.9 1.1 357 TURKEY. Ms 6.9 (BRK), 6.7 (PAL).
Mo=2.0*10**19 Nm (GS). Mo=8.7*10**18 Nm (HRV).
At least 1,342 people killed, many injured, 534
seriously injured, more than 25,000 people
homeless, and 50 villages completely destroyed
in the provinces of Erzurum and Kars. The focal
mechanism is well controlled and corresponds to
strike-slip faulting.
Nov 6 21 09 45.2 35.21 N 115.21 E 19 5.7 5.3 0.9 253 EASTERN CHINA. Mo=2.0*10**17 Nm (HRV).
Thirty-four people killed, about 2,200 injured
and about 3,300 houses destroyed in the
Heze-Dongming area of Shandong Province. Also
felt in parts of Hebei and Henan Provinces.
Nov 8 00 49 32.1 50.70 N 5.35 E 10 G 5.0 1.0 103 BELGIUM. ML 4.9 (UCC). One person killed,
one additional person died of a heart attack,
30 injured, and hundreds of buildings damaged
in the Liege area. Felt (V) in the southern
Netherlands. Also felt in Luxembourg and
West Germany.
Nov 9 16 29 51.6 44.69 N 10.32 E 37 5.1 5.0 1.3 209 NORTHERN ITALY. ML 5.2 (ROM). About 10 people
injured and damage (VIII) in the Parma area. Felt
throughout northern Italy and parts of Switzerland.
Nov 16 16 13 00.0& 19.43 N 155.45 W 12 G 6.4 6.7 394 HAWAII. <HVO-P>. Mo=1.2*10**19 Nm (GS).
Mo=1.1*10**19 Nm (HRV). Six people injured and
considerable damage (VIII) in parts of Kapapala,
Hawaii Volcanoes National Park, Volcano, Kau and Puna Districts and Hilo. Landslides and rockfalls occurred,
telephone and electrical service was disrupted and water mains were broken in several areas of the island. Total
damage from the earthquake estimated at 6 to 6.5 million dollars. Also felt on the islands of Maui, Oahu and
Kauai. The focal mechanism is moderately well controlled and corresponds to strike-slip faulting.
Nov 18 01 15 35.6 39.78 N 39.46 E 27 5.0 4.8 1.1 171 TURKEY. Mo=1.6*10**17 Nm (HRV). Five people
injured and buildings damaged in 30 villages in
the Erzincan area.
Nov 24 05 30 34.2 7.48 S 128.17 E 179 6.4 1.2 364 BANDA SEA. mb 7.1 (BRK). Mo=9.1*10**19 Nm (GS).
Mo=1.6*10**20 Nm (HRV). Felt on Alor, Flores,
Sumba, and Timor. Also felt in Australia from
Darwin to Perth. The focal mechanism is moderately
well controlled and corresponds to reverse faulting.
Nov 30 17 46 00.6 6.85 S 72.11 E 10 G 6.6 7.6 1.2 402 CHAGOS ARCHIPELAGO REGION. Ms 7.7 (BRK).
Mo=1.1*10**20 Nm (GS). Mo=4.1*10**20 Nm (HRV).
Some damage (VI) to buildings and piers on Diego Garcia. About a 1.5 meter rise in wave height in the lagoon
and significant wave damage near the southeastern tip of the island. Forty-centimeter tsunami at Victoria,
Seychelles. Large zone of discolored sea water observed 60 to 70 kilometers north-northwest of Diego Garcia.
Dec 2 03 09 05.6 14.07 N 91.92 W 67 5.9 1.1 312 GUATEMALA. Ms 7.1 (BRK), 6.7 (PAS), 6.7 (PAL).
Mo=3.2*10**19m (GS). Mo=3.7*10**19 Nm (HRV).
Felt (VI) in southwestern Guatemala and (V) at
Guatemala City. Also felt in El Salvador and
Chiapas, Mexico. The focal mechanism is well
controlled and corresponds to reverse faulting.
Dec 15 14 11 24.7 3.16 S 145.39 E 24 5.9 6.2 1.0 208 NEAR NORTH COAST OF NEW GUINEA, PAPUA NEW GUINEA.
Ms 6.6 (BRK). Mo=4.8*10**18 Nm (GS).
Mo=3.0*10**18 Nm (HRV). The focal mechanism is
moderately well controlled and corresponds to
strike-slip faulting.
Dec 21 12 05 06.3 28.19 S 63.17 W 602 D 6.2 1.0 346 SANTIAGO DEL ESTERO PROVINCE, ARGENTINA.
mb 6.9 (BRK). Mo=2.6*10**19 Nm (GS).
Mo=2.7*10**19 Nm (HRV). Felt (II) at Mendoza,
Argentina and Antofagasta, Chile. Felt in many
parts of northern Argentina, Paraguay, and
southern Brazil. Also felt in the Buenos Aires
area, Argentina and at Brasilia, Brazil.
The focal mechanism is moderately well
controlled and corresponds to reverse faulting.
Dec 21 23 32 11.6 5.54 S 151.86 E 33 N 6.0 6.2 1.1 256 NEW BRITAIN REGION. Ms 6.5 (BRK), 6.2 (PAS).
Mo=2.4*10**18 Nm (GS). Mo=2.9*10**18 Nm (HRV).
Felt (V) at Ulawun Volcano and (IV) at Rabaul.
Also felt on New Ireland. The focal mechanism is
poorly controlled and corresponds to reverse
faulting.
Dec 22 01 02 02.4 5.39 S 151.87 E 26 5.7 6.4 1.2 189 NEW BRITAIN REGION. Ms 6.7 (BRK), 6.4 (PAS).
Mo=4.5*10**18 Nm (GS). Mo=6.2*10**18 Nm (HRV).
Felt (V) at Ulawun Volcano and (IV) at Rabaul.
Also felt on New Ireland. The focal mechanism is
poorly controlled and corresponds to reverse
faulting.
Dec 22 04 11 29.2 11.87 N 13.53 W 11 6.4 6.2 1.0 343 NORTHWEST AFRICA. Ms 6.2 (BRK), 6.1 (PAS).
Mo=3.4*10**18 Nm (GS). Mo=3.4*10**18 Nm (HRV).
At least 443 people killed, 200 missing, 150
seriously injured and extensive damage in the
Gaoual-Koumbia area, Guinea. Felt in Guinea
Bissau, Senegal, The Gambia and Sierra Leone.
The focal mechanism is poorly controlled and
corresponds to strike-slip faulting.
Dec 30 23 52 39.9 36.37 N 70.74 E 215 D 6.6 1.0 485 HINDU KUSH REGION. mb 7.2 (BRK).
Mo=1.5*10**20 Nm (GS). Mo=1.5*10**20 Nm (HRV).
Twelve people killed, 483 injured and extensive damage in the Kabul-Samangan, Afghanistan area. Fourteen people
killed, hundreds injured, and moderate damage in the Peshawar, Pakistan area. Some damage (VII) in Tajikistan,
USSR. Felt in much of northwestern Afghanistan, northern Pakistan, northern India, and in Tajikistan, Uzbekistan,
and Kirghizia, USSR. The focal mechanism is moderately well controlled and corresponds to reverse faulting.
