Strong mag. 5.5 earthquake - 16 mi northwest of Chester, Plumas County, California, USA, on Monday, 20 March 1950 at 15:22 (GMT)
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Strong magnitude 5.5 earthquake at 0 km depth
Depth: 0.0 km
Epicenter latitude / longitude: 40.45°N / 121.467°W (Plumas, California, United States)
Nearest volcano: Lassen (5 km / 3 mi)
Nearby towns and cities:
16 km (10 mi) NE of Mineral (pop: 123) --> See nearby quakes!
26 km (16 mi) NW of Chester (pop: 2,140) --> See nearby quakes!
69 km (43 mi) W of Susanville (Lassen County) (pop: 15,200) --> See nearby quakes!
72 km (44 mi) N of Magalia (Butte County) (pop: 11,300) --> See nearby quakes!
72 km (45 mi) ENE of Red Bluff (Tehama County) (pop: 14,100) --> See nearby quakes!
78 km (48 mi) N of Paradise (Butte County) (pop: 26,500) --> See nearby quakes!
80 km (49 mi) E of Redding (pop: 91,600) --> See nearby quakes!
86 km (54 mi) NNE of Chico (pop: 90,300) --> See nearby quakes!
174 km (108 mi) NW of Reno (Nevada) (pop: 241,400) --> See nearby quakes!
208 km (129 mi) N of Sacramento (pop: 490,700) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.1 x 1013 joules (3.12 gigawatt hours, equivalent to 2682 tons of TNT or 0.2 atomic bombs!) 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.
|5.5||km||Lassen Peak area, California (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 (1 quakes):
- 23 Mar 1950 04:16 UTC| M 4.6 |0 km (0 mi) depth|6 km (4 mi) distance| USGS | Details