Very strong mag. 6.5 earthquake - North Pacific Ocean, 100 km southeast of Salina Cruz, Oaxaca, Mexico, on Thursday, September 30, 1993 at 18:27 (GMT)

Very strong mag. 6.5 earthquake - North Pacific Ocean, 100 km southeast of Salina Cruz, Oaxaca, Mexico, on Thursday, September 30, 1993 at 18:27 (GMT)

Very strong magnitude 6.5 earthquake at 19 km depth

1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Date & time: Sep 30, 1993 18:27:50 UTC
Magnitude: 6.5
Depth: 19.2 km
Epicenter latitude / longitude: 15.417°N / 94.698°W (North Pacific Ocean, Mexico)
Antipode: 15.417°S / 85.302°E
Nearby towns and cities:
91 km (56 mi) S of San Francisco del Mar Viejo (pop: 4,030) --> See nearby quakes!
93 km (58 mi) SSE of San Mateo del Mar (pop: 5,730) --> See nearby quakes!
100 km (62 mi) SSE of Salina Cruz (pop: 76,600) --> See nearby quakes!
116 km (72 mi) SSE of Santo Domingo Tehuantepec (Tehuantepec) (pop: 42,100) --> See nearby quakes!
118 km (74 mi) SSE of Juchitan de Zaragoza (pop: 74,800) --> See nearby quakes!
125 km (78 mi) SW of Arriaga (pop: 24,400) --> See nearby quakes!
126 km (78 mi) SW of Tonala (Tonalá) (pop: 35,300) --> See nearby quakes!
134 km (84 mi) SSE of Ixtepec (pop: 25,400) --> See nearby quakes!
226 km (140 mi) SW of Tuxtla Gutierres (pop: 537,100) --> See nearby quakes!
648 km (403 mi) SE of Mexico (pop: 12,294,200) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 3.5 x 1014 joules (98.6 gigawatt hours, equivalent to 84802 tons of TNT or 5.3 atomic bombs!) More info
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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
6.519 kmoffshore Oaxaca, MexicoUSGS
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 (12 quakes)

Date and timeMag
Depth
LocationDetails
Feb 22, 1994 20:30
28 years ago
4.3

33 km
Oaxaca, MexicoMore
Dec 19, 1993 07:21
28 years ago
4.2

33 km
North Pacific Ocean, 137 km S of Tonala, Chiapas, MexicoMore
Nov 25, 1993 19:08
28 years ago
4.1

50 km
North Pacific Ocean, 74 km SW of Tonala, Chiapas, MexicoMore
Nov 19, 1993 03:02
28 years ago
4.7

22 km
North Pacific Ocean, 191 km W of Tapachula, Chiapas, MexicoMore
Nov 19, 1993 02:25
28 years ago
5.6

25 km
North Pacific Ocean, 145 km S of Tonala, Chiapas, MexicoMore
Nov 13, 1993 09:31
28 years ago
4.3

33 km
North Pacific Ocean, 131 km S of Juchitan de Zaragoza, Oaxaca, MexicoMore
Oct 14, 1993 09:41
28 years ago
4.3

33 km
North Pacific Ocean, 145 km S of Juchitan de Zaragoza, Oaxaca, MexicoMore
Oct 10, 1993 21:08
28 years ago
4.9

25 km
North Pacific Ocean, 123 km S of Juchitan de Zaragoza, Oaxaca, MexicoMore
Oct 6, 1993 00:05
28 years ago
4.3

33 km
North Pacific Ocean, 98 km SE of Salina Cruz, Oaxaca, MexicoMore
Oct 5, 1993 03:12
28 years ago
4.5

53 km
North Pacific Ocean, 61 km S of Salina Cruz, Oaxaca, MexicoMore
Oct 3, 1993 21:49
28 years ago
4.9

31 km
North Pacific Ocean, 96 km S of Salina Cruz, Oaxaca, MexicoMore
Oct 2, 1993 00:20
28 years ago
4.4

33 km
North Pacific Ocean, 138 km S of Salina Cruz, Oaxaca, MexicoMore

Earlier earthquakes in the same area

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