2.1

M2.1 Earthquake 2 km WNW of East Shore, CA — October 18, 2023

2023-10-18 17:19:51 UTC (2023-10-18) · approx. 9:19 AM UTC-8 local

MagnitudeM2.1(md)
Time17:19 UTC≈ 9:19 AM UTC-8
Depth-0.1 kmshallow crustal
Coordinates40.251°, -121.095°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 40.25°, -121.09°

Earthquake Details

Magnitude
2.1 md
Depth
-0.1 km
shallow crustal
Location
40.2513°N
-121.0950°E

Technical Information

Event ID
nc73948675
Event Type
earthquake
Status
✓ Reviewed
Significance
70
Stations Used
13
Azimuthal Gap
103.0°
Min Station Distance
0.039°
RMS Residual
0.05 sec
Last Updated
2023-10-19 23:11:15 UTC

Understanding This Data

Magnitude 2.1 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: nc73948675). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2023, October 18, 2023). M2.1 Earthquake 2 km WNW of East Shore, CA — October 18, 2023. Retrieved October 19, 2023 from https://www.earthquaketracker.org/earthquakes/event/nc73948675/