1949 Olympia earthquake

1949 Olympia earthquake
Date April 13, 1949 (1949-04-13)
Origin time 19:55:44 UTC [1]
Duration ~ 20 s [2]
Magnitude 6.7 Mw [1]
Depth 50 km (31 mi) [1]
Epicenter 47°00′N 122°32′W / 47.0°N 122.53°W / 47.0; -122.53Coordinates: 47°00′N 122°32′W / 47.0°N 122.53°W / 47.0; -122.53 [1]
Areas affected Puget Sound region
United States
Total damage $25 million [3]
Max. intensity VIII (Severe) [3]
Peak acceleration .25g [2]
Casualties 8 killed [3]
Many injured [3]

The 1949 Olympia earthquake occurred on April 13 at 12:55:44 local time with a moment magnitude of 6.7 and a maximum Mercalli Intensity of VIII (Severe). The shock was located in the area between Olympia and Tacoma, and was felt throughout the state, as well as parts of Oregon, British Columbia, Idaho, and Montana. It is the largest recorded earthquake to occur in the Puget Sound region of Washington. Eight people were killed and many were injured.

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