Earthquakes in Washington

Listed by magnitude (on the Richter scale).

7.1 (1949- 4-13, 19:55:43),
12.3 km ENE of Olympia (47.09N 122.75W), 54 km deep

6.8 (2001- 2-28, 18:54:32),
17 km NE of Olympia (47.14N 122.72W), 51.9 km deep - "The Nisqually Earthquake"

6.8 (1872-12-15, 5:40),
14.5 km SE of Chelan (47.75N 119.87W)

6.5 (1965- 4-29, 15:28:43),
18.3 km N of Tacoma (47.40N 122.40W), 57 km deep

6.2 (1939-11-13, 7:45:54),
18.7 km S of Bremerton (47.40N 122.59W), 31 km deep

6.1 (1936- 7-16, 7:07:49),
8.1 km SSE of Walla Walla (46.00N 118.30W)

6.0 (1909- 1-11, 23:49),
23.8 km NE of Friday Harbor (48.70N 122.80W), 31 km deep

6.0 (1880-12-12, 20:40),
12.3 km SE of Bremerton (47.50N 122.50W)

Dates (yyyy-mm-dd) and times of earthquakes are listed for Universal Time. Subtract 8 hours for local standard time, or 7 hours for local daylight time.

Data source: http://www.geophys.washington.edu/SEIS/PNSN/HIST_CAT/catalog.html