Tsunami Seismic Information Statement

An earthquake has occurred with a magnitude such that a tsunami will not be generated. This will be the only WCATWC message issued for this event.

Preliminary Earthquake Parameters

Magnitude - 5.1
Time

- 1453 AKST Dec 20 2009
- 1553 PST Dec 20 2009
- 2353 UTC Dec 20 2009

Location

- 51.6 North 179.9 West
- 50 Miles/80 km E of Amchitka Alaska
- 135 Miles/217 km W of Adak Alaska

Depth - 24 Miles/39 km

The location and magnitude are based on preliminary information. Further information will be issued by the United States Geological Survey - Earthquake.USGS.GOV - or the Appropriate Regional Seismic Network.