Minor mag. 0.9 earthquake - 4km SSE of Portola Valley, CA, on Monday, Jul 4, 2022 at 11:58 pm (GMT -7) -

Minor magnitude 0.9 earthquake at 11 km depth

5 Jul 18:16 UTC: First to report: USGS after 11 hours.

Earthquake details

Date & time	Jul 5, 2022 06:58:02 UTC -
Local time at epicenter	Monday, Jul 4, 2022 at 11:58 pm (GMT -7)
Status	Confirmed
Magnitude	0.9
Depth	10.6 km
Epicenter latitude / longitude	37.34817°N / 122.22517°W (California, United States)
Antipode	37.348°S / 57.775°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) SW 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 15 km (9 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 50 km (31 mi) SSE of San Francisco (pop: 864,800) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake
Estimated seismic energy released	1.4 x 10⁶ joules (0.392 kilowatt hours) \| about seismic energy

Show interactive Map

[smaller] [bigger]

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
0.9	10.6 km	4km SSE of Portola Valley, CA	USGS
0.9	10.6 km	Central California	RaspberryShake

Most recent quakes Top 20 past 24 hrs Quakes in the US California

User reports for this quake

At magnitude 0.9, such a quake wouldn't normally be felt by people, but could be recorded instrumentally.

Try our free app!

Android | iOS version

Earlier earthquakes in the same area

Click here to search our database for earlier earthquakes in the same area since 1900!

Try our free app!

Android | iOS version

Why is there advertising on this site?

Support us - Help us upgrade our services!

We truly love working to bring you the latest volcano and earthquake data from around the world. Maintaining our website and our free apps does require, however, considerable time and resources.
We need financing to increase hard- and software capacity as well as support our editor team. We're aiming to achieve uninterrupted service wherever an earthquake or volcano eruption unfolds, and your donations can make it happen! Every donation will be highly appreciated. If you find the information useful and would like to support our team in integrating further features, write great content, and in upgrading our soft- and hardware, please make a donation (PayPal or Online credit card payment).

Planned features:

Improved multilanguage support
Tsunami alerts
Faster responsiveness

Thanks to your past donations, these features have been added recently:

Earthquake archive from 1900 onwards
Detailed quake stats
Additional seismic data sources

Download and Upgrade the Volcanoes & Earthquakes app to get one of the fastest seismic and volcano alerts online:
Android | IOS

Thank you!

Sources: VolcanoDiscovery / VolcanoAdventures and other sources as noted.
Use of material: Most text and images on our websites are owned by us. Re-use is generally not permitted without authorization. Contact us for licensing rights.

Volcanoes & Earthquakes