Strong mag. 6.0 earthquake - North Pacific Ocean, 81 km south of Managua, Nicaragua, on Thursday, December 20, 1984 at 16:26 (GMT)
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Strong magnitude 6.0 earthquake at 63 km depth
1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Depth: 62.9 km
Epicenter latitude / longitude: 11.403°N / 86.233°W (North Pacific Ocean, Nicaragua)
Antipode: 11.403°S / 93.767°E
Nearest volcano: Mombacho (55 km / 34 mi)
Nearby towns and cities:
32 km (20 mi) W of Tola (pop: 2,640) --> See nearby quakes!
44 km (27 mi) SSW of Nandaime (pop: 20,800) --> See nearby quakes!
51 km (31 mi) S of Diriamba (pop: 35,000) --> See nearby quakes!
54 km (34 mi) SSE of San Rafael del Sur (pop: 29,800) --> See nearby quakes!
56 km (35 mi) S of San Marcos (pop: 23,300) --> See nearby quakes!
58 km (36 mi) S of Masatepe (pop: 21,500) --> See nearby quakes!
81 km (50 mi) S of Managua (pop: 973,100) --> See nearby quakes!
85 km (53 mi) S of Ciudad Sandino (pop: 50,000) --> See nearby quakes!
90 km (56 mi) S of Tipitapa (pop: 50,000) --> See nearby quakes!
135 km (84 mi) SSE of Leon (pop: 144,500) --> 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!) | about seismic energy
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.
|6.0||63 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.
Recorded aftershocks, latest first (1 quake)
|Date and time||Mag|
|Apr 8, 1985 10:17|
37 years ago
|North Pacific Ocean, 70 km SW of San Rafael del Sur, Nicaragua||More|