Earthquake or seismic-like event reported: 1.2 mi east of West Covina, Los Angeles County, California, USA, 28 May 10:13 am (GMT -7) -

Our monitoring service AllQuakes received reports of shaking caused by a seismic-like event, possibly an earthquake, in or near West Covina (California) at around 17:13 GMT. Unless confirmed by at least one national or international seismological agency, its status as possible earthquake remains unconfirmed. This may or may not turn out to be an actual naturally occurring quake.
Earthquake or seismic-like event reported: 1.2 mi east of West Covina, Los Angeles County, California, USA, 28 May 10:13 am (GMT -7)
28 May 17:17 UTC: First to report: VolcanoDiscovery after 4 minutes.
Date & time: 28 May 2021 17:13:35 UTC -
Local time at epicenter: 28 May 10:13 am (GMT -7)
Magnitude: 3.8?
Depth: 10.0 km
Epicenter latitude / longitude: 34.06497°N / 117.91766°W (Los Angeles, California, United States)
Nearest volcano: Lavic Lake (94 km / 58 mi)
Nearby towns and cities:
2 km (1 mi) E of West Covina (pop: 108,500) --> See nearby quakes!
4 km (2 mi) SW of Covina (pop: 49,000) --> See nearby quakes!
5 km (3 mi) ESE of Baldwin Park (pop: 77,100) --> See nearby quakes!
6 km (4 mi) NNE of La Puente (pop: 40,700) --> See nearby quakes!
8 km (5 mi) S of Azusa (pop: 49,700) --> See nearby quakes!
10 km (6 mi) E of El Monte (pop: 116,700) --> See nearby quakes!
14 km (9 mi) NE of Whittier (pop: 87,400) --> See nearby quakes!
15 km (9 mi) W of Pomona (pop: 153,300) --> See nearby quakes!
30 km (19 mi) E of Los Angeles (pop: 3,971,900) --> See nearby quakes!
596 km (370 mi) SE of Sacramento (pop: 490,700) --> See nearby quakes!
Primary data source: VolcanoDiscovery
Show interactive Map
[smaller] [bigger]
If you felt this quake (or if you were near the epicenter), please share your experience and submit a short "I felt it" report! Other users would love to hear about it!
Also if you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable also to earthquake science and earthquake hazard analysis and mitigation efforts. You can use your device location or the map to indicate where you were during the earthquake. Thank you!

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.DepthLocationSource
3.8?10? kmNear Riverside, California, USAVolcanoDiscovery

User reports for this quake (6)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Contribute:
Leave a comment if you find a particular report interesting or want to add to it.
Flag as inappropriate.
Mark as helpful or interesting.
Send your own user report!
Canoga Park, Los Angeles, California (64.9 km WNW of epicenter) [Map] / Weak shaking (MMI III) (reported through our app)
Beaumont / Light shaking (MMI IV) : A fridge that was in the garage that was level isn't now. It is on a cement slab.  
Corcoran, (32.3 km NW of epicenter) [Map] / Weak shaking (MMI III) / vibration and rolling / 20-30 s
San Marcos, CA (126.3 km SSE of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating
Norwalk, CA / Weak shaking (MMI III) / 10-15 s
San (55.2 km E of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 1-2 s : Shakes  
Volcanoes & Earthquakes - new app for Android

Earlier earthquakes in the same area

Try our free app!
Volcanoes & Earthquakes - new app for Android
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:
  • Weather reports
  • Tsunami alerts
  • Design upgrades
  • Faster responsiveness
Thanks to your past donations, these features have been added recently:
  • Earthquake archive from 1900 onwards
  • Additional seismic data sources
  • Improved content in English
Download and Upgrade the Volcanoes & Earthquakes app to get one of the fastest seismic and volcano alerts online:
Android | IOS
Thank you!
Copyrights: VolcanoDiscovery and other sources as noted.
Use of material: Most texts and images, in particular photographs, on this website are protected by copyright. Further reproduction and use of without authorization is usually not consented. If you are not sure or need licensing rights for photographs, for example for publications and commercial use, please contact us.