Strong mag. 5.1 earthquake - 14 mi west of Shelton, Mason County, Washington State, USA, on Sunday, 27 October 1940 at 22:29 (GMT)
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Strong magnitude 5.1 earthquake at 0 km depth
Depth: 0.0 km
Epicenter latitude / longitude: 47.2°N / 123.4°W (Mason, Washington, United States)
Nearest volcano: Mount Rainier (130 km / 81 mi)
Nearby towns and cities:
22 km (14 mi) N of Elma (pop: 3,030) --> See nearby quakes!
40 km (25 mi) NE of Aberdeen (Grays Harbor County) (pop: 16,300) --> See nearby quakes!
42 km (26 mi) WNW of Olympia (pop: 50,300) --> See nearby quakes!
43 km (27 mi) WNW of Tumwater (Thurston County) (pop: 19,200) --> See nearby quakes!
47 km (29 mi) WNW of Lacey (pop: 46,400) --> See nearby quakes!
67 km (41 mi) W of Lakewood (pop: 59,800) --> See nearby quakes!
72 km (45 mi) W of Tacoma (pop: 207,900) --> See nearby quakes!
83 km (52 mi) W of Federal Way (pop: 95,200) --> See nearby quakes!
90 km (56 mi) WSW of Kent (pop: 127,000) --> See nearby quakes!
92 km (57 mi) WSW of Seattle (pop: 684,500) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2.8 x 1012 joules (783 megawatt hours, equivalent to 674 tons of TNT) More info
Data for the same earthquake reported by different agencies
Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
|5.1||km||Olympic Peninsula, Washington (USA)||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
More infoRecorded aftershocks, latest first (0 quakes):
So far, no aftershocks have been registered.