Earthquake Cluster Hits Yellowstone National Park

More than two dozen earthquakes magnitude 2.5 and larger strike Yellowstone National Park, Wyoming

FEWW Forecast: There could be as much as 37 percent more earthquakes in the United States in 2009;  some may occur in areas not prone to quakes, e.g., north, northeast, south and central U.S.

Magnitude 3.5 quake strikes  YELLOWSTONE NATIONAL PARK, WYOMING

Source: USGS

This Earthquake
Magnitude: 3.5

Date-Time:

• Wednesday, December 31, 2008 at 09:02:28 UTC
• Wednesday, December 31, 2008 at 02:02:28 AM at epicenter

Location: 44.523°N, 110.362°W
Depth: 0.4 km (~0.2 mile) (poorly constrained)
Region: YELLOWSTONE NATIONAL PARK, WYOMING
Distances:

• 61 km (38 miles) ESE (104°) from West Yellowstone, MT
• 64 km (40 miles) SSE (154°) from Gardiner, MT
• 64 km (40 miles) SSW (211°) from Cooke City-Silver Gate, MT
• 437 km (272 miles) NNE (16°) from Salt Lake City, UT

Location Uncertainty: horizontal +/- 0.5 km (0.3 miles); depth +/- 7.9 km (4.9 miles)
Source: University of Utah Seismograph Stations [via USGS]
Event ID: uu00002649

FEWW Team will provide a more definitive earthquake forecast for the US in 2009 once it’s had a chance to re-examine the data to confirm the preliminary analysis.