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Strong mag. 5.5 earthquake - 7.8 mi southeast of Mountain View, King County, Washington, USA, on Sunday, April 29, 1945 at 20:16 GMT

Strong mag. 5.5 earthquake - 7.8 mi southeast of Mountain View, King County, Washington, USA, on Sunday, April 29, 1945 at 20:16 GMT Strong mag. 5.5 earthquake - 7.8 mi southeast of Mountain View, King County, Washington, USA, on Sunday, April 29, 1945 at 20:16 GMT

Strong magnitude 5.5 earthquake at 0 km depth

Earthquake details

Date & timeApr 29, 1945 20:16:17 UTC
Local time at epicenter
StatusConfirmed
Magnitude5.5
Depth0.0 km
Epicenter latitude / longitude47.4°N / 121.7°W (King County, Washington, United States)
Antipode47.4°S / 58.3°E
Shaking intensityVery strong shaking near epicenter
Felt0 reports
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoMount Rainier (61 km / 38 mi)
Nearby towns and cities8 km (5 mi) SSE of Riverbend (pop: 2,130) | Show on map | Quakes nearby
40 km (25 mi) ESE of Renton (pop: 100,200) | Show on map | Quakes nearby
40 km (25 mi) E of Kent (pop: 127,000) | Show on map | Quakes nearby
40 km (25 mi) E of Kent (pop: 127,000) | Show on map | Quakes nearby
41 km (26 mi) ENE of Auburn (pop: 77,000) | Show on map | Quakes nearby
44 km (28 mi) ESE of Bellevue (pop: 139,800) | Show on map | Quakes nearby
47 km (29 mi) E of Federal Way (pop: 95,200) | Show on map | Quakes nearby
53 km (33 mi) ESE of Seattle (pop: 684,500) | Show on map | Quakes nearby
58 km (36 mi) ENE of Tacoma (pop: 207,900) | Show on map | Quakes nearby
99 km (62 mi) ENE of Olympia (pop: 50,300) | Show on map | Quakes nearby
Estimated seismic energy released1.1 x 1013 joules (3.12 gigawatt hours, equivalent to 2682 tons of TNT or 0.2 atomic bombs!) | about seismic energy
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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.
Mag.DepthLocationSource
5.50 kmWashington (USA)USGS
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake.
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Recorded aftershocks, latest first (0 quake)


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