Moderate mag. 5.7 earthquake - Northern Algeria on Wednesday, 21 May 2003 at 18:51 (GMT)
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Moderate magnitude 5.7 earthquake at 10 km depth
Magnitude: 5.7
Depth: 10.0 km
Epicenter latitude / longitude: 36.97°N / 3.813°E

Nearby towns and cities:
11 km (7 mi) WNW of Dellys (pop: 26,400) --> See nearby quakes!
25 km (15 mi) N of Naciria (pop: 15,400) --> See nearby quakes!
26 km (16 mi) NNW of Tadmaït (Draa Ben Khedda) (pop: 21,000) --> See nearby quakes!
29 km (18 mi) NNW of Draa Ben Khedda (pop: 37,400) --> See nearby quakes!
30 km (19 mi) NW of Makouda (pop: 34,500) --> See nearby quakes!
35 km (22 mi) NW of Tizi Ouzou (pop: 144,000) --> See nearby quakes!
35 km (22 mi) WNW of Boudjima (Daïra de Makouda) (pop: 20,600) --> See nearby quakes!
37 km (23 mi) NE of Boumerdas (pop: 786,500) --> See nearby quakes!
38 km (24 mi) NNW of Tirmitine (pop: 26,300) --> See nearby quakes!
70 km (43 mi) ENE of Algiers (pop: 1,977,700) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2.2 x 1013 joules (6.22 gigawatt hours, equivalent to 5351 tons of TNT or 0.3 atomic bombs!) More info
Data for the same earthquake reported by different agencies
Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
Magnitude | Depth | Location | Source |
M 5.7 | 10 km | northern Algeria | USGS |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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There are no user reports for this quake yet. If you felt it Aftershocks of the 5.7 quake Northern Algeria 21 May 2003 18:51 GMT
More info
Recorded aftershocks, latest first (4 quakes):- 27 May 2003 17:11 UTC| M 5.8 |8 km (5 mi) depth|21 km (13 mi) distance| USGS | Details
- 22 May 2003 13:57 UTC| M 5.2 |10 km (6.2 mi) depth|12 km (8 mi) distance| USGS | Details
- 22 May 2003 03:14 UTC| M 5.1 |10 km (6.2 mi) depth|20 km (12 mi) distance| USGS | Details
- 21 May 2003 19:02 UTC| M 5.1 |10 km (6.2 mi) depth|13 km (8 mi) distance| USGS | Details
Earlier earthquakes in the same area
Moderate mag. 5.7 earthquake - Northern Algeria on Wednesday, 21 May 2003 at 18:51 (GMT)Click here to search our database for earlier earthquakes in the same area since 1900!