2.5

M2.5 Earthquake 17km NW of Walker, CAJune 19, 2023

2023-06-19 21:51:02 UTC (2023-06-19) · approx. 1:51 PM UTC-8 local

MagnitudeM2.5(md)
Time21:51 UTC1:51 PM UTC-8
Depth-1.4 kmshallow crustal
Coordinates38.630°, -119.612°
Felt by1DYFI response
Status✓ Reviewed by USGS

On June 19, 2023 at 21:51 UTC, a magnitude 2.5 shallow crustal earthquake struck 17km NW of Walker, CA, at a depth of -1.4 km and coordinates 38.6295°, -119.6115°.

Physical scale: An earthquake of magnitude 2.5 releases seismic energy equivalent to roughly 97.4 kg of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 34 m — a useful intuition for the size of the slip patch on the fault.

Map showing earthquake epicenter at 38.63°, -119.61°

Did You Feel It? — community-reported shaking

Aggregated felt-report intensity from 1 citizen response to the USGS Did You Feel It? system. Each colored zone represents the average MMI from reports in that area.

USGS DYFI community-reported intensity map for the M2.5 earthquake near 17km NW of Walker, CA

Source: U.S. Geological Survey Did You Feel It?. View on USGS · submit your own report

Earthquake Details

Magnitude
2.5 md
Depth
-1.4 km
shallow crustal
Location
38.6295°N
-119.6115°E
Felt Reports
1
DYFI responses
Community Intensity
1.0
CDI from reports

Technical Information

Event ID
nc73903026
Event Type
earthquake
Status
✓ Reviewed
Significance
99
Stations Used
17
Azimuthal Gap
112.0°
Min Station Distance
0.084°
RMS Residual
0.09 sec
Last Updated
2023-08-26 20:54:14 UTC

Common Questions

How strong was the magnitude 2.5 earthquake near Walker, CA?

The magnitude 2.5 earthquake that struck 17km NW of Walker, CA on June 19, 2023 at 21:51 UTC had a depth of -1.4 km. For context, this was a minor earthquake typically detected only by instruments.

Were there aftershocks?

Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 2.5 earthquakes can continue for several days and gradually diminish over time.

Understanding This Data

Magnitude 2.5 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: nc73903026). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2023, June 19, 2023). M2.5 Earthquake 17km NW of Walker, CAJune 19, 2023. Retrieved August 26, 2023 from https://www.earthquaketracker.org/earthquakes/event/nc73903026/