Strong mag. 6.9 earthquake - 4km N of Holtville, CA (USA), on Sunday, 19 May 1940 at 04:36 (GMT)

Strong mag. 6.9 earthquake  - 4km N of Holtville, CA (USA), on Sunday, 19 May 1940 at 04:36 (GMT)

Strong magnitude 6.9 earthquake at 6 km depth

Date & time: 19 May 1940 04:36:41 UTC###AGESTRINGCOPY###
Magnitude: 6.9
Depth: 6.0 km
Epicenter latitude / longitude: 32.84417°N / 115.381°W (--, United States)
Nearest volcano: Salton Buttes (45 km / 28 mi)
Nearby towns and cities:
18 km (11 mi) ENE of El Centro (Imperial County, California) (pop: 44,000)
20 km (13 mi) SE of Brawley (Imperial County, California) (pop: 25,900)
21 km (13 mi) NNE of Calexico (Imperial County, California) (pop: 40,100)
69 km (43 mi) NW of San Luis (Yuma County, Arizona) (pop: 31,500)
72 km (45 mi) W of Yuma (Arizona) (pop: 94,100)
93 km (58 mi) WNW of Fortuna Foothills (Yuma County, Arizona) (pop: 26,300)
157 km (97 mi) ENE of Tijuana (Baja California, Mexico) (pop: 1,301,000)
280 km (174 mi) ESE of Long Beach (Los Angeles County, California) (pop: 474,100)
Primary data source: USGS
Estimated released energy: 1.4 x 1015 joules (392 gigawatt hours, equivalent to 3.4 x 105 tons of TNT or 21.1 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 6.96 km4km N of Holtville, CA (USA)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.
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Aftershocks of the 6.9 quake 4km N of Holtville, CA (USA), 19 May 04:36 UTC

More info
Recorded aftershocks, latest first (68 quakes):
  • 26 Oct 1940 11:21 UTC
    | M 3.2 |
    6 km (3.7 mi) depth
    |
    77 km (48 mi) distance
    | USGS | Details
  • 21 Oct 1940 07:19 UTC
    | M 3.3 |
    6 km (3.7 mi) depth
    |
    85 km (53 mi) distance
    | USGS | Details
  • 21 Oct 1940 06:49 UTC
    | M 4.1 |
    6 km (3.7 mi) depth
    |
    103 km (64 mi) distance
    | USGS | Details
  • 17 Oct 1940 10:18 UTC
    | M 3.4 |
    6 km (3.7 mi) depth
    |
    23 km (14 mi) distance
    | USGS | Details
  • 16 Oct 1940 17:52 UTC
    | M 3.7 |
    6 km (3.7 mi) depth
    |
    62 km (39 mi) distance
    | USGS | Details
  • 13 Oct 1940 11:54 UTC
    | M 3.2 |
    6 km (3.7 mi) depth
    |
    89 km (55 mi) distance
    | USGS | Details
  • 10 Oct 1940 17:07 UTC
    | M 3.4 |
    6 km (3.7 mi) depth
    |
    15 km (9 mi) distance
    | USGS | Details
  • 08 Oct 1940 02:18 UTC
    | M 2.9 |
    6 km (3.7 mi) depth
    |
    63 km (39 mi) distance
    | USGS | Details
  • 08 Oct 1940 00:39 UTC
    | M 3.0 |
    6 km (3.7 mi) depth
    |
    63 km (39 mi) distance
    | USGS | Details
  • 06 Oct 1940 18:19 UTC
    | M 4.1 |
    6 km (3.7 mi) depth
    |
    64 km (40 mi) distance
    | USGS | Details
  • 01 Oct 1940 06:25 UTC
    | M 3.0 |
    6 km (3.7 mi) depth
    |
    110 km (68 mi) distance
    | USGS | Details
  • 16 Sep 1940 02:49 UTC
    | M 3.2 |
    6 km (3.7 mi) depth
    |
    42 km (26 mi) distance
    | USGS | Details
  • 30 Aug 1940 16:34 UTC
    | M 3.4 |
    6 km (3.7 mi) depth
    |
    24 km (15 mi) distance
    | USGS | Details
  • 29 Jul 1940 20:53 UTC
    | M 3.4 |
    6 km (3.7 mi) depth
    |
    61 km (38 mi) distance
    | USGS | Details
  • 21 Jul 1940 08:36 UTC
    | M 4.3 |
    6 km (3.7 mi) depth
    |
    54 km (33 mi) distance
    | USGS | Details
  • 15 Jul 1940 02:32 UTC
    | M 3.8 |
    6 km (3.7 mi) depth
    |
    6 km (4 mi) distance
    | USGS | Details
  • Show all

Earlier earthquakes in the same area

Strong mag. 6.9 earthquake - 4km N of Holtville, CA (USA), on Sunday, 19 May 1940 at 04:36 (GMT)
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