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Major mag. 7.6 earthquake - Guerrero, Mexico on Wednesday, 14 March 1979

Major mag. 7.6 earthquake  - Guerrero, Mexico on Wednesday, 14 March 1979
Date & time: Wednesday, 14 March 1979 11:07 UTC
Magnitude: 7.6
Depth: 49.0 km
Epicenter latitude / longitude: 17.813°N / 101.276°W (Mexico)
Nearest volcano: Zitácuaro-Valle de Bravo (207 km / 129 mi)
Nearby towns and cities:
8 km (5 mi) NW of Los Zapotes (pop: 100)
11 km (7 mi) E of Siemprevival (pop: 100)
11 km (7 mi) NE of La Ciénega de López (pop: 100)
180 km (112 mi) NW of Acapulco de Juárez (pop: 652,100)
196 km (122 mi) SE of Uruapan (pop: 237,300)
289 km (180 mi) SW of Mexico City (pop: 12,294,200)
Primary data source: USGS
Estimated released energy: 1.6 x 1016 joules (4402 gigawatt hours, equivalent to 3.8 x 106 tons of TNT or 236.7 atomic bombs!) [learn more]
If you felt this quake (or if you were near the epicenter), please share your experience and submit a short "I felt it" report! Other users would love to hear about it!
Also if you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable also to earthquake science and earthquake hazard analysis and mitigation efforts. You can use your device location or the map to indicate where you were during the earthquake. Thank you!

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.
TimeMag. / DepthLocationSource
Wed, 14 Mar 11:07 UTCM 7.6 / 49 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!

Aftershocks of the 7.6 quake: Guerrero, Mexico, 14 Mar 1979 11:07

More info
Recorded aftershocks, latest first (100 quakes):
  • 12 Feb 1981 06:33 UTC
    | M 4.7 |
    79.9 km (49.6 mi) depth
    |
    116 km (72 mi) distance
    | USGS | Details
  • 05 Sep 1980 20:01 UTC
    | M 4.8 |
    33 km (20.5 mi) depth
    |
    193 km (120 mi) distance
    | USGS | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    11204 km (6962 mi) distance
    | | Details
  • 05 Sep 1980 06:00 UTC
    | M 4.7 |
    33 km (20.5 mi) depth
    |
    169 km (105 mi) distance
    | USGS | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    11204 km (6962 mi) distance
    | | Details
  • 15 Jul 1980 23:05 UTC
    | M 4.1 |
    86 km (53.4 mi) depth
    |
    111 km (69 mi) distance
    | USGS | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    11204 km (6962 mi) distance
    | | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    11204 km (6962 mi) distance
    | | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    11204 km (6962 mi) distance
    | | Details
  • 08 Jul 1980 05:54 UTC
    | M 3.8 |
    95 km (59 mi) depth
    |
    151 km (94 mi) distance
    | USGS | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    11204 km (6962 mi) distance
    | | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    11204 km (6962 mi) distance
    | | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    11204 km (6962 mi) distance
    | | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    11204 km (6962 mi) distance
    | | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    11204 km (6962 mi) distance
    | | Details
  • 02 Jun 1980 06:07 UTC
    | M 4.2 |
    33 km (20.5 mi) depth
    |
    178 km (110 mi) distance
    | USGS | Details
  • Show all

Earlier earthquakes in the same area

Major mag. 7.6 earthquake - Guerrero, Mexico on Wednesday, 14 March 1979

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