Minor mag. 0.4 earthquake - 4km SSE of Portola Valley, CA, on Monday, Jul 4, 2022 at 6:17 pm (GMT -7) -

Minor magnitude 0.4 earthquake at 11 km depth

5 Jul 06:00 UTC: First to report: RaspberryShake after 5 hours.
5 Jul 06:00: Now using data updates from USGS

Earthquake details

Date & time	Jul 5, 2022 01:17:24 UTC -
Local time at epicenter	Monday, Jul 4, 2022 at 6:17 pm (GMT -7)
Status	Confirmed
Magnitude	0.4
Depth	11.0 km
Epicenter latitude / longitude	37.34617°N / 122.22133°W (California, United States)
Antipode	37.346°S / 57.779°E
Shaking intensity	Not felt
Felt
Primary data source	USGS (United States Geological Survey)
Nearest volcano	Clear Lake (187 km / 116 mi)
Nearby towns and cities	4 km (3 mi) SSE of Portola Valley (San Mateo County) (pop: 4,590) \| Show on map \| Quakes nearby 13 km (8 mi) SSW of Palo Alto (pop: 66,900) \| Show on map \| Quakes nearby 13 km (8 mi) WSW of Mountain View (pop: 80,400) \| Show on map \| Quakes nearby 16 km (10 mi) S of Redwood City (pop: 85,300) \| Show on map \| Quakes nearby 17 km (10 mi) W of seonibeil (pop: 151,800) \| Show on map \| Quakes nearby 24 km (15 mi) W of Santa Clara (pop: 126,200) \| Show on map \| Quakes nearby 29 km (18 mi) W of San Jose (pop: 1,026,900) \| Show on map \| Quakes nearby 51 km (32 mi) SSE of San Francisco (pop: 864,800) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake
Estimated seismic energy released	2.5 x 10⁵ joules (0.07 kilowatt hours) \| about seismic energy

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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.

Mag.	Depth	Location	Source
0.4	11 km	4km SSE of Portola Valley, CA	USGS
0.4	11 km	Central California	RaspberryShake

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