Magnitude 8.1 - EAST OF THE KURIL ISLANDS

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2007 January 13 04:23:20 UTC

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Earthquake Details

  • This event has been reviewed by a seismologist.
Magnitude8.1
Date-Time
Location46.272°N, 154.455°E
Depth10 km (6.2 miles) set by location program
RegionEAST OF THE KURIL ISLANDS
Distances510 km (315 miles) SSW of Severo-Kuril'sk, Kuril Islands, Russia
530 km (330 miles) ENE of Kuril'sk, Kuril Islands
1710 km (1060 miles) NE of TOKYO, Japan
7275 km (4520 miles) NE of MOSCOW, Russia
Location Uncertaintyhorizontal +/- 4.7 km (2.9 miles); depth fixed by location program
ParametersNST=241, Nph=241, Dmin=810 km, Rmss=0.92 sec, Gp= 29°,
M-type=centroid moment magnitude (Mw), Version=Q
Source
  • USGS NEIC (WDCS-D)
Event IDus2007xmae
  • Did you feel it? Report shaking and damage at your location. You can also view a map displaying accumulated data from your report and others.

Earthquake Summary

Small globe showing earthquakeSmall map showing earthquake

Earthquake Summary Poster

  • The following is a release by the United States Geological Survey, National Earthquake Information Center: A major earthquake occurred about 525 km (325 miles) ENE of Kuril'sk, Kuril Islands or about 1710 km (1060 miles) NE of TOKYO, Japan at 10:23 PM MDT, Jan 12, 2007 (Jan 13 at 2:23 PM local time in Russia).

    The magnitude and location may be revised when additional data and further analysis results are available. Earthquakes of this type sometimes cause tsunamis, however the USGS has no information that an actual tsunami has been generated. For information about tsunamis, contact the NOAA Tsunami Warning Centers at http://tsunami.gov.

  • Felt Reports

    Felt (VI) on Paramushir; (IV) on Iturup, Kunashir and Shikotan. Also felt (IV) at Petropavlovsk- Kamchatskiy. Felt (IV) at Misawa and (II) at Tokyo, Japan. Also felt in parts of Hokkaido and northern Honshu, Japan. Recorded (3 JMA) in eastern Hokkaido and in the Shizunai area, Hokkaido; (2 JMA ) throughout southern Hokkaido and in the Sarufutsu area, Hokkaido. Also Recorded (3 JMA) in Aomori, Iwate and Miyagi; (2 JMA) in Akita, Fukushima and Yamagata; (1 JMA) in Hyogo, Ibaraki, Kanagawa, Nagano, Saitama, Tochigi and Tokyo Prefectures, Honshu. Tsunami wave heights in centimeters (peak-to-trough) were recorded at the following tide stations: 10 at Hana-saki, Japan; 4 at Adak, 32 at Shemya Island Alaska, United States; 33 at Arena Cove, 37 at Crescent City, 20 at Port San Luis, California, United States; 9 at Nawiliwili, 14 at Kahului, 12 at Hilo, Hawaii, United States; 27 at Port Orford, Oregon, United States; 18 on Midway Island; 9 on Wake Island.

    Tectonic Summary

    The Kuril Islands earthquake of January 13, 2007, occurred as normal-faulting in the Pacific plate near the boundary between the Pacific plate and the Okhotsk plate. In the region of the earthquake's epicenter, the Pacific plate moves northwest with respect to the Okhotsk plate with a velocity of about 90 mm/year. The Pacific plate subducts beneath the Okhotsk plate at the Kuril Trench and becomes progressively deeper to the northwest, remaining seismically active to a depth of 680 km. The January 13 earthquake occurred approximately 95 km ESE of an M8.3 earthquake that occurred on November 15, 2006. The November 15 earthquake is the largest earthquake to have occurred in the central Kuril Islands since the early 20th century. A central Kuril Islands earthquake in 1915 is estimated to have had a magnitude of about 8. The central Kuril Islands commonly experiences one or more shocks of magnitude 6 or greater in a decade. To the southwest, the southern Kuril Islands chain experienced a magnitude 8.5 earthquake in 1963. To the northeast, a magnitude 9 earthquake occurred offshore of Kamchatka in 1952.

    Earthquake Summary Poster: Comparison of the Kuril Islands Earthquakes of 15 November 2006 and 13 January 2007

    Tsunami Information

    The earthquake locations and magnitudes cited in NOAA tsunami statements and bulletins are preliminary and are superseded by USGS locations and magnitudes computed using more extensive data sets.

    General Tsunami Information