Strong mag. 6.1 earthquake - 126km S of Estacion Coahuila, B.C., MX (Mexico), on Saturday, 7 December 1940 at 22:17 (GMT)

Strong mag. 6.1 earthquake  - 126km S of Estacion Coahuila, B.C., MX (Mexico), on Saturday, 7 December 1940 at 22:17 (GMT)

Strong magnitude 6.1 earthquake at 6 km depth

Date & time: 7 Dec 1940 10:17:00 UTC###AGESTRINGCOPY###
Magnitude: 6.1
Depth: 6.0 km
Epicenter latitude / longitude: 31.06933°N / 114.85267°W (Mexico)
Nearest volcano: Cerro Leon (96 km / 60 mi)
Nearby towns and cities:
3 km (2 mi) ESE of Ejido Plan Nacional Agrario (Mexicali Municipality, Baja California) (pop: 692)
5 km (3 mi) NNW of San Felipe (San Felípe, Baja California) (pop: 15,400)
77 km (48 mi) SSW of Golfo de Santa Clara (Sonora) (pop: 3,970)
128 km (80 mi) WSW of Puerto Peñasco (Sonora) (pop: 33,900)
154 km (96 mi) S of San Luis Rio Colorado (Sonora) (pop: 158,100)
188 km (117 mi) ESE of Ensenada (Baja California) (pop: 279,800)
459 km (285 mi) SE of Los Angeles (USA) (pop: 3,971,900)
2040 km (1268 mi) NW of Mexico City (pop: 12,294,200)
Primary data source: USGS
Estimated released energy: 8.9 x 1013 joules (24.8 gigawatt hours, equivalent to 21301 tons of TNT or 1.3 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 6.16 km126km S of Estacion Coahuila, B.C., MX (Mexico)USGS
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 6.1 quake 126km S of Estacion Coahuila, B.C., MX (Mexico), 7 December 22:17 UTC

More info
Recorded aftershocks, latest first (8 quakes):
  • 23 Feb 1941 08:12 UTC
    | M 4.0 |
    6 km (3.7 mi) depth
    |
    16 km (10 mi) distance
    | USGS | Details
  • 05 Feb 1941 13:33 UTC
    | M 4.8 |
    6 km (3.7 mi) depth
    |
    25 km (15 mi) distance
    | USGS | Details
  • 09 Jan 1941 10:28 UTC
    | M 5.2 |
    6 km (3.7 mi) depth
    |
    22 km (14 mi) distance
    | USGS | Details
  • 14 Dec 1940 03:19 UTC
    | M 3.9 |
    6 km (3.7 mi) depth
    |
    40 km (25 mi) distance
    | USGS | Details
  • 13 Dec 1940 08:02 UTC
    | M 3.9 |
    6 km (3.7 mi) depth
    |
    25 km (15 mi) distance
    | USGS | Details
  • 12 Dec 1940 17:17 UTC
    | M 3.9 |
    6 km (3.7 mi) depth
    |
    25 km (15 mi) distance
    | USGS | Details
  • 09 Dec 1940 10:19 UTC
    | M 4.1 |
    6 km (3.7 mi) depth
    |
    66 km (41 mi) distance
    | USGS | Details
  • 09 Dec 1940 00:34 UTC
    | M 4.3 |
    6 km (3.7 mi) depth
    |
    66 km (41 mi) distance
    | USGS | Details

Earlier earthquakes in the same area

Strong mag. 6.1 earthquake - 126km S of Estacion Coahuila, B.C., MX (Mexico), on Saturday, 7 December 1940 at 22:17 (GMT)
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