Strong mag. 6.4 earthquake - Guerrero, Mexico, on Sunday, 19 March 1978 at 01:39 (GMT)

Strong mag. 6.4 earthquake  - Guerrero, Mexico, on Sunday, 19 March 1978 at 01:39 (GMT)

Strong magnitude 6.4 earthquake at 36 km depth

Date & time: 19 Mar 1978 01:39:14 UTC###AGESTRINGCOPY###
Magnitude: 6.4
Depth: 36.0 km
Epicenter latitude / longitude: 17.026°N / 99.735°W (Mexico)
Nearest volcano: Nevado de Toluca (232 km / 144 mi)
Nearby towns and cities:
6 km (4 mi) NE of Kilómetro 30 (Centro, Guerrero) (pop: 6,300)
8 km (5 mi) SSW of Xaltianguis (Centro, Guerrero) (pop: 6,930)
26 km (16 mi) ENE of Bajos del Ejido (Guerrero) (pop: 5,640)
27 km (17 mi) SW of Tierra Colorada (Guerrero) (pop: 10,200)
27 km (17 mi) NE of Acapulco de Juarez (Guerrero) (pop: 673,500)
63 km (39 mi) SSW of Chilpancingo (Guerrero) (pop: 187,300)
269 km (167 mi) SSW of Iztapalapa (Mexico City) (pop: 1,815,800)
275 km (171 mi) SSW of Mexico City (pop: 12,294,200)
Primary data source: USGS
Estimated released energy: 2.5 x 1014 joules (69.8 gigawatt hours, equivalent to 60036 tons of TNT or 3.8 atomic bombs!) [learn more]
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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.
MagnitudeDepthLocationSource
M 6.436 kmGuerrero, 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 yet. If you felt it be the first to report it!
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Aftershocks of the 6.4 quake Guerrero, Mexico, 19 March 01:39 UTC

More info
Recorded aftershocks, latest first (3 quakes):
  • 26 Apr 1978 03:28 UTC
    | M 4.9 |
    41 km (25.5 mi) depth
    |
    55 km (34 mi) distance
    | USGS | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    11045 km (6863 mi) distance
    | | Details
  • 07 Apr 1978 13:03 UTC
    | M 4.4 |
    59 km (36.7 mi) depth
    |
    33 km (21 mi) distance
    | USGS | Details

Earlier earthquakes in the same area

Strong mag. 6.4 earthquake - Guerrero, Mexico, on Sunday, 19 March 1978 at 01:39 (GMT)
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