Strong mag. 6.0 earthquake - North Pacific Ocean, 29 km southeast of La Union, El Salvador, on Saturday, April 3, 1999 at 10:10 (GMT)

Strong mag. 6.0 earthquake - North Pacific Ocean, 29 km southeast of La Union, El Salvador, on Saturday, April 3, 1999 at 10:10 (GMT)

Strong magnitude 6.0 earthquake at 38 km depth

1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Date & time: Apr 3, 1999 10:10:30 UTC
Magnitude: 6
Depth: 38.4 km
Epicenter latitude / longitude: 13.173°N / 87.634°W (North Pacific Ocean, El Salvador)
Antipode: 13.173°S / 92.366°E
Nearest volcano: Isla Meanguera (10 km / 6 mi)
Nearby towns and cities:
29 km (18 mi) SE of La Union (La Unión) (pop: 26,800) --> See nearby quakes!
34 km (21 mi) SW of San Lorenzo (Honduras) (pop: 22,300) --> See nearby quakes!
69 km (43 mi) ESE of San Miguel (pop: 161,900) --> See nearby quakes!
81 km (50 mi) ESE of San Rafael Oriente (pop: 19,100) --> See nearby quakes!
91 km (56 mi) ESE of Usulutan (pop: 51,900) --> See nearby quakes!
100 km (62 mi) E of Puerto El Triunfo (pop: 19,100) --> See nearby quakes!
111 km (69 mi) SSW of Tegucigalpa (Honduras) (pop: 850,800) --> See nearby quakes!
133 km (83 mi) SE of Sensuntepeque (pop: 20,400) --> See nearby quakes!
178 km (110 mi) ESE of San Salvador (pop: 526,000) --> See nearby quakes!
190 km (118 mi) NW of Managua (Nicaragua) (pop: 973,100) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 6.3 x 1013 joules (17.5 gigawatt hours, equivalent to 15080 tons of TNT or 0.9 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.
6.038 kmHonduras (El Salvador)USGS
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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More info

Recorded aftershocks, latest first (6 quakes)

  • 21 May 1999 17:11 UTC
    | M 4.3 |
    200 km (124.3 mi) depth
    59 km (37 mi) distance
    | USGS | Details
  • 20 May 1999 11:15 UTC
    | M 4.2 |
    95.3 km (59.2 mi) depth
    52 km (32 mi) distance
    | USGS | Details
  • 13 May 1999 19:50 UTC
    | M 3.9 |
    76.9 km (47.8 mi) depth
    40 km (25 mi) distance
    | USGS | Details
  • 04 Apr 1999 00:50 UTC
    | M 4.4 |
    33 km (20.5 mi) depth
    7 km (4 mi) distance
    | USGS | Details
  • 03 Apr 1999 13:12 UTC
    | M 3.5 |
    33 km (20.5 mi) depth
    22 km (14 mi) distance
    | USGS | Details
  • 03 Apr 1999 10:42 UTC
    | M 4.1 |
    33 km (20.5 mi) depth
    7 km (4 mi) distance
    | USGS | Details

Earlier earthquakes in the same area

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