Moderate mag. 5.2 earthquake - Northern Algeria on Friday, 9 February 1990 at 09:31 (GMT)

Moderate mag. 5.2 earthquake - Northern Algeria on Friday, 9 February 1990 at 09:31 (GMT)

Moderate magnitude 5.2 earthquake at 12 km depth

Date & time: 9 Feb 1990 09:31:47 UTC
Magnitude: 5.2
Depth: 12.4 km
Epicenter latitude / longitude: 36.775°N / 2.477°E (Algeria)
Nearby towns and cities:
21 km (13 mi) N of Tipasa (Tipaza) (pop: 25,200) --> See nearby quakes!
24 km (15 mi) NW of Castiglione (Bou Ismail) (pop: 22,400) --> See nearby quakes!
30 km (18 mi) N of Hadjout (pop: 27,500) --> See nearby quakes!
30 km (19 mi) WNW of Kolea (pop: 31,800) --> See nearby quakes!
33 km (21 mi) WNW of Zeralda (pop: 17,600) --> See nearby quakes!
36 km (23 mi) NNW of El Affroun (pop: 42,600) --> See nearby quakes!
44 km (27 mi) NW of Beni Mered (pop: 92,700) --> See nearby quakes!
46 km (29 mi) NW of Blida (pop: 182,400) --> See nearby quakes!
55 km (34 mi) W of Algiers (pop: 1,977,700) --> See nearby quakes!
89 km (55 mi) W of Boumerdas (pop: 786,500) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 4 x 1012 joules (1.11 gigawatt hours, equivalent to 951 tons of TNT) 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 5.212 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 5.2 quake Northern Algeria 9 February 1990 09:31 GMT

More info
Recorded aftershocks, latest first (7 quakes):
  • 11 Mar 1990 08:28 UTC
    | M 4.6 |
    33 km (20.5 mi) depth
    |
    24 km (15 mi) distance
    | USGS | Details
  • 18 Feb 1990 16:23 UTC
    | M 3.4 |
    10 km (6.2 mi) depth
    |
    20 km (13 mi) distance
    | USGS | Details
  • 17 Feb 1990 15:23 UTC
    | M 4.1 |
    10 km (6.2 mi) depth
    |
    6 km (4 mi) distance
    | USGS | Details
  • 09 Feb 1990 13:19 UTC
    | M 4.2 |
    10 km (6.2 mi) depth
    |
    3 km (2 mi) distance
    | USGS | Details
  • 09 Feb 1990 13:09 UTC
    | M 4.1 |
    10 km (6.2 mi) depth
    |
    7 km (4 mi) distance
    | USGS | Details
  • 09 Feb 1990 11:19 UTC
    | M 3.9 |
    10 km (6.2 mi) depth
    |
    18 km (11 mi) distance
    | USGS | Details
  • 09 Feb 1990 11:16 UTC
    | M 4.3 |
    10 km (6.2 mi) depth
    |
    9 km (5 mi) distance
    | USGS | Details

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Earlier earthquakes in the same area

Moderate mag. 5.2 earthquake - Northern Algeria on Friday, 9 February 1990 at 09:31 (GMT)
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