Very strong mag. 6.4 earthquake - Sabanillas, 27 km northeast of Acapulco de Juarez, Guerrero, Mexico, on Sunday, March 19, 1978 at 01:39 (GMT)
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Very strong magnitude 6.4 earthquake at 36 km depth
1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Depth: 36.0 km
Epicenter latitude / longitude: 17.026°N / 99.735°W↗ (Sabanillas, Guerrero, Mexico)
Antipode: 17.026°S / 80.265°E↗
Nearest volcano: Nevado de Toluca (232 km / 144 mi)
Nearby towns and cities:
4 km (3 mi) NW of Sabanillas (pop: 1,960) --> See nearby quakes!
8 km (5 mi) SSW of Xaltianguis (Centro) (pop: 6,970) --> See nearby quakes!
27 km (17 mi) NE of Acapulco de Juarez (pop: 673,500) --> See nearby quakes!
63 km (39 mi) SSW of Chilpancingo (pop: 187,300) --> See nearby quakes!
68 km (42 mi) W of Ayutla de los Libres (pop: 15,400) --> See nearby quakes!
70 km (44 mi) SSW of Tixtla de Guerrero (pop: 22,800) --> See nearby quakes!
73 km (46 mi) SSW of Zumpango del Rio (Zumpango del Río) (pop: 24,700) --> See nearby quakes!
77 km (48 mi) ESE of Atoyac de Alvarez (Atoyac de Álvarez) (pop: 21,400) --> See nearby quakes!
87 km (54 mi) SW of Chilapa de Alvarez (Chilapa de Álvarez) (pop: 31,200) --> See nearby quakes!
275 km (171 mi) SSW of Mexico (Ciudad de México) (pop: 12,294,200) --> 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!) More info
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.
|6.4||36 km||Guerrero, Mexico||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 (3 quakes)
|Date and time||Mag|
|Jul 5, 1978 08:06|
43 years ago
|Chilapa de Alvarez, 57 km E of Chilpancingo, Guerrero, Mexico||More|
|Apr 26, 1978 03:28|
44 years ago
|Mochitlan, 33 km SE of Chilpancingo, Guerrero, Mexico||More|
|Apr 7, 1978 13:03|
44 years ago
|North Pacific Ocean, 4.6 km S of La Roqueta Island, Mexico||More|