Strong mag. 6.4 earthquake - Near the Coast of Nicaragua on Wednesday, 8 April 1987 at 17:42 (GMT)
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Strong magnitude 6.4 earthquake at 56 km depth
Magnitude: 6.4
Depth: 55.8 km
Epicenter latitude / longitude: 11.678°N / 86.401°W

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
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 6.4 | 56 km | near the coast of Nicaragua | 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 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
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)Click here to search our database for earlier earthquakes in the same area since 1900!