Event status: uncertain, preliminary [?]

Reported quake or seismic-like event: 12 mi northwest of San Jose, Santa Clara County, California, USA, Oct 15, 2021 3:36 am (GMT -7) -

Reported quake or seismic-like event: 12 mi northwest of San Jose, Santa Clara County, California, USA, Oct 15, 2021 3:36 am (GMT -7)
15 Oct 10:43 UTC: First to report: VolcanoDiscovery after 7 minutes.
Date & time: Oct 15, 2021 10:36:14 UTC -
Local time at epicenter: Friday, Oct 15, 2021 3:36 am (GMT -7)
Magnitude: unknown
Depth: 10.0 km
Epicenter latitude / longitude: 37.4779°N / 122.02503°W (Santa Clara, California, United States)
Antipode: 37.478°S / 57.975°E
Nearest volcano: Clear Lake (196 km / 122 mi)
Nearby towns and cities:
6 km (4 mi) SSE of Newark (pop: 45,300) --> See nearby quakes!
8 km (5 mi) SSW of Fremont (pop: 232,200) --> See nearby quakes!
11 km (7 mi) ENE of Palo Alto (pop: 66,900) --> See nearby quakes!
11 km (7 mi) NNE of Mountain View (pop: 80,400) --> See nearby quakes!
12 km (7 mi) WNW of Milpitas (pop: 77,600) --> See nearby quakes!
12 km (8 mi) N of seonibeil (pop: 151,800) --> See nearby quakes!
15 km (9 mi) NNW of Santa Clara (pop: 126,200) --> See nearby quakes!
19 km (12 mi) NW of San Jose (pop: 1,026,900) --> See nearby quakes!
48 km (30 mi) SE of San Francisco (pop: 864,800) --> See nearby quakes!
131 km (82 mi) SSW of Sacramento (pop: 490,700) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky 13.1°C (56 F), humidity: 46%, wind: 1 m/s (3 kts) from NNE
Primary data source: VolcanoDiscovery
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User reports for this quake (5)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Foster City, San Mateo, California (19.7 km NW of epicenter) [Map] / Very weak shaking (MMI II) / horizontal (sideways) swinging / 2-5 s : Upstairs bed swayed back and forth for about 3 seconds.  
san jose, ca / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s
Vermont / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
Santa Clara, CA / Very weak shaking (MMI II) / single vertical bump / very short
San Jose, can 95116 I know wut I felt and it was a (19.7 km SE of epicenter) [Map] / Very weak shaking (MMI II) / complex motion difficult to describe / 1-2 minutes : I was using the bathroom and suddenly felt the ground swaying very lightly like if it happened sumwr not that far from us! It swayed for like 2 mins I know the difference between a vibration from a truck passing by & this was not that it was an earthquake  
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