2001 Nisqually earthquake
The 2001 Nisqually earthquake occurred at 10:54:32 local time on February 28, 2001, and lasted nearly a minute. The intraslab earthquake had a moment magnitude of 6.8 and a maximum Mercalli intensity of VIII (Severe). The epicenter was in the southern Puget Sound, northeast of Olympia, but the shock was felt in Oregon, British Columbia, eastern Washington, and Idaho. This was the most recent of several large earthquakes that occurred in the Puget Sound region over a 52-year period and caused property damage valued at $1–4 billion. One person died of a heart attack and several hundred were injured.
A stretch of Washington State Route 302 near Allyn, Washington, damaged after the earthquake | |
Olympia Seattle | |
| UTC time | 2001-02-28 18:54:32 |
|---|---|
| ISC event | 1780664 |
| USGS-ANSS | ComCat |
| Local date | February 28, 2001 |
| Local time | 10:54:32 a.m. |
| Magnitude | 6.8 Mw |
| Depth | 57 km (35 mi) |
| Epicenter | 47.19°N 122.66°W |
| Type | Normal |
| Areas affected | Pacific Northwest |
| Total damage | $1–4 billion |
| Max. intensity | MMI VIII (Severe) |
| Peak acceleration | 0.3 g |
| Tsunami | No |
| Casualties | 1 dead (heart attack), 400 injured |
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