Algeria earthquakes

M5.1 earthquake 30 km NW of Dellys, Algeria

A magnitude 5.1 earthquake struck 30 km NW of Dellys, Algeria on Thu, May 22, 2003, 4:14 AM GMT+1 (03:14 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.8 northern Algeria. This one was a foreshock.

Dellys forecast More in Algeria

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude: 5.1 (mwc), moderate
Local time: Thu, May 22, 2003, 4:14 AM GMT+1
UTC: 2003-05-22 03:14:03 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 37.080° N, 3.635° E
Region: Algeria
Tsunami flag: No
Status: Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

Fault motion and ground failure

How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.

Faulting: Oblique reverse
Nodal plane 1: Strike 51°, dip 21°, rake 128°
Nodal plane 2: Strike 191°, dip 74°, rake 77°

How well it is located

Reviewed by a seismologist.

Depth from: OPERATOR_ASSIGNED
Station coverage gap: 62°
Stations used: 377

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 2.1 and up: at least 199 in the 60 days after this one and 92 in the 30 days before it.

After

The first 60 of at least 199.

Before

Earthquakes today Algeria earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000bxt4 (also filed as gcmtb052203a, gcmt20030522031403, iscgem6846205). Read Sat, Sep 26, 2026, 7:55 AM UTC.