4.5

M4.5 Earthquake near Reykjanes RidgeDecember 24, 2025

2025-12-24 18:54:44 UTC (2025-12-24) · approx. 4:54 PM UTC-2 local

MagnitudeM4.5(mb)
Time18:54 UTC4:54 PM UTC-2
Depth10.0 kmshallow crustal
Coordinates58.377°, -32.162°
Felt byNo felt reports
Status✓ Reviewed by USGS

On December 24, 2025 at 18:54 UTC, a magnitude 4.5 shallow crustal earthquake struck near Reykjanes Ridge, at a depth of 10.0 km and coordinates 58.3774°, -32.1618°. This earthquake was detected by 66 seismic stations with good location accuracy and was assigned a USGS significance rating of 312, placing it among routine seismic activity.

Physical scale: An earthquake of magnitude 4.5 releases seismic energy equivalent to roughly 85 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 767 m — a useful intuition for the size of the slip patch on the fault.

Map showing earthquake epicenter at 58.38°, -32.16°

Earthquake Details

Magnitude
4.5 mb
Depth
10.0 km
shallow crustal
Location
58.3774°N
-32.1618°E

Technical Information

Event ID
us7000rkl9
Event Type
earthquake
Status
✓ Reviewed
Significance
312
Stations Used
66
Azimuthal Gap
130.0°
Min Station Distance
8.209°
RMS Residual
0.50 sec
Last Updated
2026-04-01 22:48:03 UTC

Common Questions

How strong was the magnitude 4.5 earthquake near Reykjanes Ridge?

The magnitude 4.5 earthquake that struck near Reykjanes Ridge on December 24, 2025 at 18:54 UTC had a depth of 10.0 km. For context, this was a light earthquake commonly felt near the epicenter.

Where did the earthquake occur?

The earthquake epicenter was located at 58.3774°, -32.1618°, which is near Reykjanes Ridge.

Were there aftershocks?

Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.5 earthquakes can continue for several days and gradually diminish over time.

What should I do after an earthquake?

If you were in the affected area: check yourself and others for injuries, inspect your home for damage, and be prepared for aftershocks. For detailed guidance, see our earthquake safety guide and emergency planning resources.

Authoritative source: USGS event page (event ID: us7000rkl9). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2025, December 24, 2025). M4.5 Earthquake near Reykjanes RidgeDecember 24, 2025. Retrieved May 23, 2026 from https://www.earthquaketracker.org/earthquakes/event/us7000rkl9/