Very strong mag. 6.3 earthquake - Virginia, Departamento de Rivas, 64 km southeast of Managua, Nicaragua, on Monday, December 16, 1985 at 02:44 (GMT)
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Very strong magnitude 6.3 earthquake at 22 km depth
1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Depth: 22.1 km
Epicenter latitude / longitude: 11.725°N / 85.838°W (Departamento de Rivas, Nicaragua)
Antipode: 11.725°S / 94.162°E
Nearest volcano: Zapatera (2 km / 1 mi)
Nearby towns and cities:
24 km (15 mi) E of Nandaime (Granada) (pop: 20,800) --> See nearby quakes!
26 km (16 mi) SSE of Granada (pop: 89,400) --> See nearby quakes!
32 km (20 mi) N of Nicaragua (Rivas) (pop: 30,000) --> See nearby quakes!
39 km (25 mi) ESE of Masatepe (Masaya) (pop: 21,500) --> See nearby quakes!
45 km (28 mi) ESE of San Marcos (Carazo) (pop: 23,300) --> See nearby quakes!
46 km (29 mi) ESE of Diriamba (Carazo) (pop: 35,000) --> See nearby quakes!
60 km (37 mi) SSE of Tipitapa (Managua) (pop: 50,000) --> See nearby quakes!
64 km (40 mi) SE of Managua (pop: 973,100) --> See nearby quakes!
138 km (86 mi) SE of Leon (León) (pop: 144,500) --> See nearby quakes!
277 km (172 mi) NW of San Jose (San José, Costa Rica) (pop: 335,000) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.8 x 1014 joules (49.4 gigawatt hours, equivalent to 42502 tons of TNT or 2.7 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.
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 (2 quakes)
|Date and time||Mag|
|Mar 4, 1986 07:27|
36 years ago
|Virginia, Granada, 58 km SE of Managua, Nicaragua||More|
|Dec 28, 1985 21:37|
36 years ago
|Departamento de Rivas, 47 km SE of Granada, Nicaragua||More|