Past earthquakes near Williamson Mountain volcano: 2020

Updated Nov 27, 2021 17:51 GMT -
During 2020, Williamson Mountain volcano had 3 quakes of magnitude 2.0 or above. There were also 27 quakes below magnitude 2.0 which people don't normally feel.
Biggest quake: 0.8 quake 38 mi southeast of Eugene, Lane County, Oregon, USA, August, 28 2020 08:26 GMT
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Depth and magnitude of quakes versus time plot
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Showing quakes magnitude 0.5 or higher (2 out of 30 quakes, show more):
Date and timeMag
Depth
DistanceLocationDetailsMap
Friday, August 28, 2020 08:26 GMT (1 earthquake)
Aug 28, 2020 08:26 GMT
0.8

4.7 km
49 km (30 mi)38 mi southeast of Eugene, Lane County, Oregon, USA MoreMap
Friday, June 19, 2020 21:35 GMT (1 earthquake)
Jun 19, 2020 21:35 GMT
0.8

1 km
47 km (29 mi)Explosion - 34 km SSE of Cascadia, Oregon (USA) MoreMap
Estimated combined seismic energy released: 2 x 106 joules (0.556 kilowatt hours) More info

Earthquake statistics

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Number of earthquakes vs time:
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Magnitude distribution and energy released:
Number of quakes and energy vs magnitudeMagnitudes of quakes and energy vs time
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