Strong mag. 6.0 earthquake - North Pacific Ocean, 93 km south of Managua, Nicaragua, on Friday, October 9, 1998 at 11:54 (GMT)

Strong mag. 6.0 earthquake - North Pacific Ocean, 93 km south of Managua, Nicaragua, on Friday, October 9, 1998 at 11:54 (GMT)

Strong magnitude 6.0 earthquake at 69 km depth

1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Date & time: Oct 9, 1998 11:54:36 UTC
Magnitude: 6
Depth: 68.7 km
Epicenter latitude / longitude: 11.321°N / 86.451°W (North Pacific Ocean, Nicaragua)
Antipode: 11.321°S / 93.549°E
Nearest volcano: Mombacho (77 km / 48 mi)
Nearby towns and cities:
51 km (32 mi) S of El Rosario (pop: 2,990) --> See nearby quakes!
59 km (36 mi) S of San Rafael del Sur (pop: 29,800) --> See nearby quakes!
64 km (40 mi) SSW of Diriamba (pop: 35,000) --> See nearby quakes!
65 km (40 mi) SW of Nandaime (pop: 20,800) --> See nearby quakes!
71 km (44 mi) SSW of San Marcos (pop: 23,300) --> See nearby quakes!
82 km (51 mi) SSW of Masaya (pop: 130,100) --> See nearby quakes!
87 km (54 mi) SW of Granada (pop: 89,400) --> See nearby quakes!
93 km (58 mi) SSW of Managua (pop: 973,100) --> See nearby quakes!
94 km (58 mi) S of Ciudad Sandino (pop: 50,000) --> See nearby quakes!
133 km (82 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
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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.
Mag.DepthLocationSource
6.069 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.
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Aftershocks

[More info]

Recorded aftershocks, latest first (16 quakes)

Date and timeMag
Depth		LocationDetails
Mar 24, 1999 16:20
23 years ago
3.4

33 km		North Pacific Ocean, 89 km S of San Rafael del Sur, NicaraguaMore
Mar 8, 1999 03:47
23 years ago
4.3

60 km		North Pacific Ocean, 88 km S of San Rafael del Sur, NicaraguaMore
Feb 16, 1999 13:40
23 years ago
3.5

33 km		North Pacific Ocean, 75 km S of Diriamba, Carazo, NicaraguaMore
Feb 2, 1999 06:58
23 years ago
4.0

33 km		North Pacific Ocean, 88 km W of Liberia, Provincia de Guanacaste, Costa RicaMore
Jan 28, 1999 10:20
23 years ago
4.4

71 km		North Pacific Ocean, 34 km SW of San Rafael del Sur, NicaraguaMore
Jan 16, 1999 14:07
23 years ago
4.6

33 km		North Pacific Ocean, 93 km S of Diriamba, Carazo, NicaraguaMore
Dec 28, 1998 08:51
23 years ago
4.2

33 km		North Pacific Ocean, 53 km S of San Rafael del Sur, NicaraguaMore
Dec 5, 1998 13:19
23 years ago
4.1

200 km		39 km SW of Managua, NicaraguaMore
Dec 5, 1998 12:56
23 years ago
4.3

100 km		North Pacific Ocean, 58 km S of Masaya, NicaraguaMore
Dec 5, 1998 08:06
23 years ago
4.9

96 km		North Pacific Ocean, 88 km NW of Liberia, Provincia de Guanacaste, Costa RicaMore
Nov 21, 1998 08:01
23 years ago
4.3

33 km		North Pacific Ocean, 84 km NW of Liberia, Provincia de Guanacaste, Costa RicaMore
Nov 8, 1998 01:55
23 years ago
4.5

88 km		North Pacific Ocean, 36 km S of San Rafael del Sur, NicaraguaMore
Nov 7, 1998 14:20
23 years ago
4.7

67 km		North Pacific Ocean, 78 km SW of San Rafael del Sur, NicaraguaMore
Oct 20, 1998 07:29
23 years ago
4.2

33 km		NicaraguaMore
Oct 10, 1998 03:16
23 years ago
4.5

100 km		North Pacific Ocean, 65 km SW of San Rafael del Sur, NicaraguaMore
Oct 10, 1998 03:08
23 years ago
4.1

33 km		North Pacific Ocean, 139 km SW of Managua, NicaraguaMore

Earlier earthquakes in the same area

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