Moderate mag. 5.6 earthquake - Northern Algeria on Monday, 31 October 1988 at 10:12 (GMT)

Moderate mag. 5.6 earthquake - Northern Algeria on Monday, 31 October 1988 at 10:12 (GMT)

Moderate magnitude 5.6 earthquake at 12 km depth

Date & time: 31 Oct 1988 10:12:58 UTC
Magnitude: 5.6
Depth: 12.0 km
Epicenter latitude / longitude: 36.443°N / 2.759°E (Algeria)
Nearby towns and cities:
3 km (2 mi) SE of Chiffa (pop: 23,200) --> See nearby quakes!
5 km (3 mi) WSW of Boû Arfa (pop: 44,100) --> See nearby quakes!
7 km (4 mi) ESE of Mouzaïa (pop: 33,000) --> See nearby quakes!
7 km (4 mi) WSW of Blida (pop: 182,400) --> See nearby quakes!
12 km (8 mi) ESE of El Affroun (pop: 42,600) --> See nearby quakes!
13 km (8 mi) SSW of Oued el Alleug (pop: 21,100) --> See nearby quakes!
13 km (8 mi) SW of Beni Mered (pop: 92,700) --> See nearby quakes!
16 km (10 mi) WSW of Souma (pop: 40,700) --> See nearby quakes!
44 km (27 mi) SW of Algiers (pop: 1,977,700) --> See nearby quakes!
74 km (46 mi) WSW of Boumerdas (pop: 786,500) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.6 x 1013 joules (4.4 gigawatt hours, equivalent to 3788 tons of TNT or 0.2 atomic bombs!) More info
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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.
MagnitudeDepthLocationSource
M 5.612 kmnorthern AlgeriaUSGS
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake yet. If you felt it be the first to report it!
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Aftershocks of the 5.6 quake Northern Algeria 31 October 1988 10:12 GMT

More info
Recorded aftershocks, latest first (1 quakes):
  • 26 Dec 1988 01:29 UTC
    | M 3.6 |
    10 km (6.2 mi) depth
    |
    25 km (15 mi) distance
    | USGS | Details

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Earlier earthquakes in the same area

Moderate mag. 5.6 earthquake - Northern Algeria on Monday, 31 October 1988 at 10:12 (GMT)
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