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Event status: uncertain [?]

Reported quake or seismic-like event: 2 mi west of Chico, Butte County, California, USA, Friday, May 20, 2022 at 5:34 pm (GMT -7) -

Reported quake or seismic-like event: 2 mi west of Chico, Butte County, California, USA, Friday, May 20, 2022 at 5:34 pm (GMT -7) Reported quake or seismic-like event: 2 mi west of Chico, Butte County, California, USA, Friday, May 20, 2022 at 5:34 pm (GMT -7)
21 May 00:38 UTC: First to report: VolcanoDiscovery after 4 minutes.

Earthquake details

Date & timeMay 21, 2022 00:34:27 UTC -
Local time at epicenterFriday, May 20, 2022 at 5:34 pm (GMT -7)
Statusuncertain
Magnitudeunknown
Depth10.0 km
Epicenter latitude / longitude39.73449°N / 121.87359°W (Butte, California, United States)
Antipode39.734°S / 58.126°E
Shaking intensityWeak shaking
Felt4 reports
Primary data sourceVolcanoDiscovery (User-reported shaking)
Nearest volcanoLassen (91 km / 57 mi)
Nearby towns and cities3 km (2 mi) WNW of Chico (pop: 90,300) | Show on map | Quakes nearby
12 km (7 mi) E of Hamilton City (pop: 1,760) | Show on map | Quakes nearby
22 km (13 mi) W of Paradise (Butte County) (pop: 26,500) | Show on map | Quakes nearby
27 km (17 mi) WSW of Magalia (Butte County) (pop: 11,300) | Show on map | Quakes nearby
28 km (17 mi) E of Orland (Glenn County) (pop: 7,550) | Show on map | Quakes nearby
37 km (23 mi) NW of Oroville (pop: 16,300) | Show on map | Quakes nearby
70 km (43 mi) NNW of Yuba City (pop: 66,900) | Show on map | Quakes nearby
132 km (82 mi) NNW of Sacramento (pop: 490,700) | Show on map | Quakes nearby
Weather at epicenter at time of quakeClear Sky 27.3°C (81 F), humidity: 10%, wind: 4 m/s (7 kts) from ENE
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User reports for this quake (4)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Chico,ca (1.8 km NW of epicenter) [Map] / Weak shaking (MMI III) : I felt my bed shaking very slightly so I then looked at my water glasses on the table next to me and saw they were all rippled! I’m on the second floor and it lasted about 30 seconds. I went downstairs and nobody else noticed it. I’m from Florida so t  
Chico,ca (1.8 km NW of epicenter) [Map] / Weak shaking (MMI III) : I felt my bed shaking very slightly so I then looked at my water glasses on the table next to me and saw they were all rippled! I’m on the second floor and it lasted about 30 seconds. I went downstairs and nobody else noticed it. I’m from Florida so t  
Chico, Butte, California (2.7 km SE of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s : Side to side shaky movement  
Chico, Butte, California (2.7 km SE of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s : Side to side shaky movement  
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