Strong mag. 6.4 earthquake - Departamento de Potosi, 298 km southwest of Sucre, Chuquisaca, Bolivia, on Wednesday, September 15, 1999 at 03:01 (GMT)

Strong mag. 6.4 earthquake - Departamento de Potosi, 298 km southwest of Sucre, Chuquisaca, Bolivia, on Wednesday, September 15, 1999 at 03:01 (GMT)

Strong magnitude 6.4 earthquake at 218 km depth

1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Date & time: Sep 15, 1999 03:01:24 UTC
Magnitude: 6.4
Depth: 218.0 km
Epicenter latitude / longitude: 20.934°S / 67.275°W (Departamento de Potosi, Bolivia)
Antipode: 20.934°N / 112.725°E
Nearest volcano: Cerro San Agustin (61 km / 38 mi)
Nearby towns and cities:
20 km (12 mi) NNW of San Cristobal de Lipez (Potosí) (pop: 75) --> See nearby quakes!
71 km (44 mi) SW of Uyuni (Antonio Quijarro, Potosí) (pop: 10,300) --> See nearby quakes!
79 km (49 mi) SSW of Colchani (Potosí) (pop: 12,000) --> See nearby quakes!
171 km (106 mi) WNW of Tupiza (Sud Chichas, Potosí) (pop: 22,200) --> See nearby quakes!
216 km (134 mi) NW of Villazon (Modesto Omiste, Potosí) (pop: 30,300) --> See nearby quakes!
219 km (136 mi) SW of Ciudad Potosi (Potosí) (pop: 141,300) --> See nearby quakes!
272 km (169 mi) WNW of Tarija (pop: 159,300) --> See nearby quakes!
298 km (185 mi) SW of Sucre (Chuquisaca) (pop: 224,800) --> See nearby quakes!
411 km (256 mi) SSW of Cochabamba (pop: 900,400) --> 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!) | 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
6.4218 kmPotosi, BoliviaUSGS
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 (8 quakes)

Date and timeMag
Depth
LocationDetails
Mar 1, 2000 09:31
22 years ago
3.6

160 km
300 km SW of Ciudad Potosi, Departamento de Potosi, BoliviaMore
Feb 24, 2000 07:17
22 years ago
3.9

247 km
88 km NW of Tupiza, Sud Chichas, Departamento de Potosi, BoliviaMore
Jan 23, 2000 08:31
22 years ago
4.9

199 km
Potosi, BoliviaMore
Dec 30, 1999 14:09
22 years ago
4.1

184 km
231 km SW of Ciudad Potosi, Departamento de Potosi, BoliviaMore
Dec 11, 1999 22:26
22 years ago
4.3

208 km
52 km SW of Uyuni, Antonio Quijarro, Departamento de Potosi, BoliviaMore
Oct 30, 1999 11:26
22 years ago
4.1

195 km
269 km SW of Ciudad Potosi, Departamento de Potosi, BoliviaMore
Sep 29, 1999 19:47
22 years ago
3.8

222 km
42 km SW of Uyuni, Antonio Quijarro, Departamento de Potosi, BoliviaMore
Sep 27, 1999 04:05
22 years ago
4.1

177 km
221 km SW of Ciudad Potosi, Departamento de Potosi, BoliviaMore

Earlier earthquakes in the same area

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