5.2

M5.2 Earthquake near southern Mid-Atlantic RidgeApril 23, 2026

2026-04-23 10:07:48 UTC (3 hours ago)

On April 23, 2026 at 10:07 UTC, a magnitude 5.2 shallow crustal earthquake struck near southern Mid-Atlantic Ridge, at a depth of 10.0 km and coordinates -42.2859°, -18.4093°. This earthquake was detected by 31 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 416, placing it among routine seismic activity.

Map showing earthquake epicenter at -42.29°, -18.41°

Earthquake Details

Magnitude
5.2 mb
Depth
10.0 km
shallow crustal
Location
-42.2859°N
-18.4093°E

Technical Information

Event ID
us6000ss9m
Event Type
earthquake
Status
✓ Reviewed
Significance
416
Stations Used
31
Azimuthal Gap
86.0°
Min Station Distance
35.527°
RMS Residual
1.03 sec
Last Updated
2026-04-23 10:25:57 UTC

Common Questions

How strong was the magnitude 5.2 earthquake near southern Mid-Atlantic Ridge?

The magnitude 5.2 earthquake that struck near southern Mid-Atlantic Ridge on April 23, 2026 at 10:07 UTC had a depth of 10.0 km. For context, this was a moderate earthquake that could be widely felt.

Where did the earthquake occur?

The earthquake epicenter was located at -42.2859°, -18.4093°, which is near southern Mid-Atlantic Ridge.

Were there aftershocks?

Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 5.2 earthquakes can continue for days to weeks 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.