Event status: highly uncertain [?]

Reported quake or seismic-like event: 37 mi west of Indio, Riverside County, California, USA, Sep 9, 2021 10:20 pm (GMT -7) -

Reported quake or seismic-like event: 37 mi west of Indio, Riverside County, California, USA, Sep 9, 2021 10:20 pm (GMT -7)
10 Sep 05:23 UTC: First to report: VolcanoDiscovery after 2 minutes.
Date & time: Sep 10, 2021 05:20:47 UTC -
Local time at epicenter: Thursday, Sep 9, 2021 10:20 pm (GMT -7)
Magnitude: unknown
Depth: 10.0 km
Epicenter latitude / longitude: 33.71372°N / 116.86191°W (Riverside, California, United States)
Antipode: 33.714°S / 63.138°E
Nearest volcano: Salton Buttes (82 km / 51 mi)
Nearby towns and cities:
5 km (3 mi) SE of Florida (pop: 14,600) --> See nearby quakes!
8 km (5 mi) ESE of East Hemet (pop: 17,400) --> See nearby quakes!
11 km (7 mi) ESE of Hemet (pop: 83,900) --> See nearby quakes!
12 km (7 mi) SE of San Jacinto (pop: 47,000) --> See nearby quakes!
26 km (16 mi) SSE of Beaumont (pop: 43,800) --> See nearby quakes!
26 km (16 mi) E of Menifee (pop: 87,200) --> See nearby quakes!
36 km (22 mi) NE of Temecula (pop: 112,000) --> See nearby quakes!
37 km (23 mi) ENE of Murrieta (pop: 109,800) --> See nearby quakes!
56 km (35 mi) ESE of Riverside (pop: 322,400) --> See nearby quakes!
683 km (424 mi) SE of Sacramento (pop: 490,700) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky 34.4°C (94 F), humidity: 37%, wind: 3 m/s (5 kts) from SW
Primary data source: VolcanoDiscovery
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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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indio (56.2 km E of epicenter) [Map] / Weak shaking (MMI III) / 1-2 s : trying to sleep  
Lake Elsinore / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s : Very weak  
irvine (84.3 km W of epicenter) [Map] / Very weak shaking (MMI II) / single lateral shake / very short : heard rumbling and felt just a light jolt followed by another short jolt. only noticeable cuz I was laying in bed I think  
indio (56.2 km E of epicenter) [Map] / Weak shaking (MMI III) / 1-2 s : trying to sleep  
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