PAGER - M 3.1 - Utah

Alert level does not include impacts from earthquake-related hazards such as tsunamis, landslides, fires or liquefaction.

Earthquake Shaking Alert Level: GREEN

Download Alert PDF What's this?Thursday, February 16th, 2012 at 08:20:58 UTC (01:20:58 local)Location: 39.6° N, 111.5° WDepth: 0kmEvent Id: UU00009292Alert Version: 1Created: 9 minutes, 28 seconds after earthquake.

Alert Information

Green alert for shaking-related fatalities and economic losses. There is a low likelihood of casualties and damage.

Estimated Fatalities

ESTIMATED FATALITY ALERT: GREEN
ESTIMATED FATALITIES (LEVEL)	Probability (%)
0 (GREEN)	99
1 to 9 (YELLOW)	1
10 to 99 (YELLOW)	0
100 to 999 (ORANGE)	0
1 to 10 thousand (RED)	0
10 to 100 thousand (RED)	0
100 thousand + (RED)	0

Estimated Economic Losses

ESTIMATED ECONOMIC ALERT: GREEN
ESTIMATED VALUE IN USD (LEVEL)	Probability (%)
0 to 1 million (GREEN)	99
1 to 10 million (YELLOW)	1
10 to 100 million (YELLOW)	0
100 million to 1 billion (ORANGE)	0
1 to 10 billion (RED)	0
10 to 100 billion (RED)	0
100 billion + (RED)	0

Detailed Information

Estimated Population Exposed to Earthquake Shaking
Estimated Modified Mercalli Intensity		I	II-III	IV	V	VI	VII	VIII	IX	X
Est. Population Exposure		617k	15k	0	0	0	0	0	0	0
Perceived Shaking		Not Felt	Weak	Light	Moderate	Strong	Very Strong	Severe	Violent	Extreme
Potential Structure Damage	Resistant	none	none	none	V. Light	Light	Moderate	Moderate/Heavy	Heavy	V. Heavy
Potential Structure Damage	Vulnerable	none	none	none	Light	Moderate	Moderate/Heavy	Heavy	V. Heavy	V. Heavy

*Estimated exposure only includes population within calculated shake map area

Population Exposure
Population per ~1 sq. km. from LandScan

Structure Information Summary

Overall, the population in this region resides in structures that are resistant to earthquake shaking, though some vulnerable structures exist.

Historical Earthquakes (with MMI)

Date (UTC)	Dist (km)	Mag	Max MMI (#)
1992-09-02	335	5.6	VII (9k)
1975-03-28	276	6.2	VIII (9)
1994-02-03	353	5.8	VIII (967)

Selected Cities Exposedfrom GeoNames Database of Cities with 1,000 or more residents.

MMI	City	Population
III	Fairview	1k
III	Mount Pleasant	3k
III	Moroni	1k
II	Nephi	5k
I	Ephraim	5k
I	Mona	1k
I	Provo	106k
I	Orem	93k
I	Lehi	26k
I	Spanish Fork	25k
I	Pleasant Grove	24k

(k = x1,000)

Nearby Events in the EXPO-CAT Earthquake Catalog
#	Date/Time	Mag	Lat, Lon, Depth	Country	Max MMI (Exposed)	Deaths		Secondary Effects
#	Date/Time	Mag	Lat, Lon, Depth	Country	Max MMI (Exposed)	Shaking	Total	Secondary Effects
2	1992-09-02 10:26 UTC	5.6	37.03° N, 113.47° W 18km	US	VII (9 k)	0	0
1	1975-03-28 02:31 UTC	6.2	42.01° N, 112.48° W 5km	US	VIII (9)	0	0
3	1994-02-03 09:05 UTC	5.8	42.78° N, 110.97° W 4km	US	VIII (967)	0	0

MMI	City	Population
III	Fairview	1k
III	Mount Pleasant	3k
III	Moroni	1k
II	Nephi	5k
I	Ephraim	5k
I	Mona	1k
I	Castle Dale	2k
I	Delta	3k
I	East Carbon City	1k
I	Ferron	2k
I	Fillmore	2k
I	Gunnison	3k
I	Helper	2k
I	Huntington	2k
I	Manti	3k
I	Orangeville	1k
I	Price	8k
I	Salina	2k
I	Santaquin	6k
I	Wellington	2k
I	Centerfield	1k
I	Salem	5k
I	Alpine	9k
I	Benjamin	1k
I	Cedar Hills	7k
I	Duchesne	1k
I	Dugway	2k
I	Eagle Mountain	9k
I	Elk Ridge	2k
I	Highland	8k
I	Lehi	26k
I	Lindon	9k
I	Mapleton	6k
I	Orem	93k
I	Payson	16k
I	Pleasant Grove	24k
I	Provo	106k
I	Saratoga Springs	4k
I	Spanish Fork	25k
I	Springville	23k
I	Woodland Hills	1k
I	American Fork	24k

(k = x1,000)

PAGER content is automatically generated, and only considers losses due to structural damage. Limitations of input data, shaking estimates, and loss models may add uncertainty. PAGER results are generally available within 30 minutes of the earthquake’s occurrence. However, information on the extent of shaking will be uncertain in the minutes and hours following an earthquake and typically improves as additional sensor data and reported intensities are acquired and incorporated into models of the earthquake's source. Users of PAGER estimates should account for uncertainty and always seek the most current PAGER release for any earthquake.