2.1

M2.1 Earthquake 3km NNW of Palomar Observatory, CA — December 21, 2021

2021-12-21 22:03:32 UTC (2021-12-21) · approx. 2:03 PM UTC-8 local

MagnitudeM2.1(ml)
Time22:03 UTC≈ 2:03 PM UTC-8
Depth4.9 kmshallow crustal
Coordinates33.377°, -116.879°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 33.38°, -116.88°

Earthquake Details

Magnitude
2.1 ml
Depth
4.9 km
shallow crustal
Location
33.3765°N
-116.8793°E

Technical Information

Event ID
ci39892839
Event Type
earthquake
Status
✓ Reviewed
Significance
66
Stations Used
70
Azimuthal Gap
26.0°
Min Station Distance
0.027°
RMS Residual
0.20 sec
Last Updated
2021-12-21 22:42:30 UTC

Nearby Earthquakes (Last 7 Days)

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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: ci39892839). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2021, December 21, 2021). M2.1 Earthquake 3km NNW of Palomar Observatory, CA — December 21, 2021. Retrieved December 21, 2021 from https://www.earthquaketracker.org/earthquakes/event/ci39892839/