2.5

M2.5 Earthquake 12km SSW of Ferndale, CA — December 31, 2021

2021-12-31 19:08:31 UTC (2021-12-31) · approx. 11:08 AM UTC-8 local

MagnitudeM2.5(md)
Time19:08 UTC≈ 11:08 AM UTC-8
Depth19.4 kmshallow crustal
Coordinates40.477°, -124.320°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 40.48°, -124.32°

Earthquake Details

Magnitude
2.5 md
Depth
19.4 km
shallow crustal
Location
40.4768°N
-124.3200°E
Community Intensity
1.0
CDI from reports

Technical Information

Event ID
nc73670851
Event Type
earthquake
Status
✓ Reviewed
Significance
99
Stations Used
23
Azimuthal Gap
118.0°
Min Station Distance
0.013°
RMS Residual
0.10 sec
Last Updated
2022-03-05 23:11:00 UTC

Nearby Earthquakes (Last 7 Days)

3.5
20 km WSW of Petrolia, CA
8 hours ago · 20.1 km deep
3.8
20 km WSW of Gerlach, Nevada
15 hours ago · 7.0 km deep
2.7
3 km ESE of Santa Rosa, CA
21 hours ago · 9.1 km deep
3.3
17 km WSW of Petrolia, CA
1 day ago · 9.0 km deep
2.6
7 km E of Hydesville, CA
1 day ago · 24.2 km deep
3.3
19 km WSW of Gerlach, Nevada
2 days ago · 11.0 km deep
3.0
9 km SW of Brentwood, CA
2 days ago · 16.9 km deep
2.5
9 km SW of Brentwood, CA
3 days ago · 16.8 km deep
2.6
18 km SE of Silver Springs, Nevada
3 days ago · 7.4 km deep
2.5
6 km E of Willits, CA
3 days ago · 5.2 km deep

Actions

View on USGSDid You Feel It?

Understanding This Data

Magnitude 2.5 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: nc73670851). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2021, December 31, 2021). M2.5 Earthquake 12km SSW of Ferndale, CA — December 31, 2021. Retrieved March 5, 2022 from https://www.earthquaketracker.org/earthquakes/event/nc73670851/