Strong mag. 6.4 earthquake - Near the Coast of Nicaragua on Wednesday, 8 April 1987 at 17:42 (GMT)

Strong mag. 6.4 earthquake - Near the Coast of Nicaragua on Wednesday, 8 April 1987 at 17:42 (GMT)

Strong magnitude 6.4 earthquake at 56 km depth

Date & time: 8 Apr 1987 17:42:37 UTC
Magnitude: 6.4
Depth: 55.8 km
Epicenter latitude / longitude: 11.678°N / 86.401°W (Nicaragua)
Nearest volcano: Masaya (43 km / 27 mi)
Nearby towns and cities:
17 km (11 mi) SE of Masachapa (pop: 5,000) --> See nearby quakes!
19 km (12 mi) SSE of San Rafael del Sur (pop: 29,800) --> See nearby quakes!
27 km (17 mi) SW of Diriamba (pop: 35,000) --> See nearby quakes!
29 km (18 mi) SW of Jinotepe (pop: 29,500) --> See nearby quakes!
34 km (21 mi) SW of San Marcos (pop: 23,300) --> See nearby quakes!
36 km (22 mi) SSW of El Crucero (pop: 16,500) --> See nearby quakes!
38 km (24 mi) SW of Masatepe (pop: 21,500) --> See nearby quakes!
47 km (29 mi) SW of Masaya (pop: 130,100) --> See nearby quakes!
53 km (33 mi) SSW of Managua (pop: 973,100) --> See nearby quakes!
99 km (62 mi) SSE of Leon (pop: 144,500) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2.5 x 1014 joules (69.8 gigawatt hours, equivalent to 60036 tons of TNT or 3.8 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 6.456 kmnear the coast of NicaraguaUSGS
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 6.4 quake Near the Coast of Nicaragua 8 April 1987 17:42 GMT

More info
Recorded aftershocks, latest first (4 quakes):
  • 17 Sep 1987 10:07 UTC
    | M 4.5 |
    33 km (20.5 mi) depth
    |
    71 km (44 mi) distance
    | USGS | Details
  • 03 Sep 1987 04:28 UTC
    | M 4.4 |
    176.7 km (109.8 mi) depth
    |
    15 km (10 mi) distance
    | USGS | Details
  • 06 Aug 1987 12:43 UTC
    | M 4.3 |
    33 km (20.5 mi) depth
    |
    88 km (55 mi) distance
    | USGS | Details
  • 27 Apr 1987 11:33 UTC
    | M 4.8 |
    61.6 km (38.3 mi) depth
    |
    83 km (51 mi) distance
    | USGS | Details

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Earlier earthquakes in the same area

Strong mag. 6.4 earthquake - Near the Coast of Nicaragua on Wednesday, 8 April 1987 at 17:42 (GMT)
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