2.1

M2.1 Earthquake 3km SW of San Bernardino, CA — October 23, 2021

2021-10-23 21:24:47 UTC (2021-10-23) · approx. 1:24 PM UTC-8 local

MagnitudeM2.1(ml)
Time21:24 UTC≈ 1:24 PM UTC-8
Depth17.1 kmshallow crustal
Coordinates34.110°, -117.318°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 34.11°, -117.32°

Earthquake Details

Magnitude
2.1 ml
Depth
17.1 km
shallow crustal
Location
34.1102°N
-117.3183°E

Technical Information

Event ID
ci39840927
Event Type
earthquake
Status
✓ Reviewed
Significance
68
Stations Used
105
Azimuthal Gap
18.0°
Min Station Distance
0.017°
RMS Residual
0.15 sec
Last Updated
2021-10-25 16:03:35 UTC

Nearby Earthquakes (Last 7 Days)

2.5
11 km N of Fillmore, CA
19 hours ago · 26.6 km deep
2.9
4 km SSE of Compton, CA
1 day ago · 13.2 km deep
2.6
2 km ENE of Aromas, CA
1 day ago · 0.6 km deep
2.6
27 km SSE of Malibu, CA
6 days ago · -0.1 km deep

Actions

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Understanding This Data

Magnitude 2.1 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: ci39840927). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2021, October 23, 2021). M2.1 Earthquake 3km SW of San Bernardino, CA — October 23, 2021. Retrieved October 25, 2021 from https://www.earthquaketracker.org/earthquakes/event/ci39840927/