Major magnitude 6.9 earthquake - 2.3 mi north of Holtville, Imperial County, California, USA, on Sunday, May 19, 1940 4:36 am (GMT +0)

Major magnitude 6.9 earthquake - 2.3 mi north of Holtville, Imperial County, California, USA, on Sunday, May 19, 1940 4:36 am (GMT +0)

Major magnitude 6.9 earthquake at 6 km depth

Date & time: May 19, 1940 04:36:41 UTC
Local time at epicenter: Sunday, May 19, 1940 4:36 am (GMT +0)
Magnitude: 6.9
Depth: 6.0 km
Epicenter latitude / longitude: 32.84417°N / 115.381°W (Imperial, California, United States)
Antipode: 32.844°S / 64.619°E
Nearest volcano: Salton Buttes (45 km / 28 mi)
Nearby towns and cities:
4 km (2 mi) N of Holtville (pop: 6,400) --> See nearby quakes!
18 km (11 mi) E of Imperial (pop: 17,100) --> See nearby quakes!
18 km (11 mi) ENE of El Sentro (pop: 44,000) --> See nearby quakes!
20 km (13 mi) SE of Brawley (Imperial County) (pop: 25,900) --> See nearby quakes!
21 km (13 mi) NNE of Calexico (pop: 40,100) --> See nearby quakes!
25 km (16 mi) NNE of Mexicali (Baja California, Mexico) (pop: 689,800) --> See nearby quakes!
30 km (18 mi) NE of Santa Isabel (Baja California, Mexico) (pop: 29,300) --> See nearby quakes!
72 km (45 mi) W of Arizona (pop: 94,100) --> See nearby quakes!
167 km (104 mi) E of San Diego (pop: 1,394,900) --> See nearby quakes!
843 km (524 mi) SE of Sacramento (pop: 490,700) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
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!) More info
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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.
Mag.DepthLocationSource
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.
There are no user reports for this quake.
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Aftershocks

[More info]

Recorded aftershocks, latest first (134 quakes)

Date and timeMag
Depth
LocationDetails
Oct 26, 1940 11:21
81 years ago
3.2

6 km
San Diego County, 15 mi SW of Salton City, Imperial County, California, USAMore
Oct 21, 1940 07:19
81 years ago
3.3

6 km
12 mi SE of Borrego Springs, San Diego County, California, USAMore
Oct 21, 1940 06:49
81 years ago
4.1

6 km
5.9 mi S of Borrego Springs, San Diego County, California, USAMore
Oct 17, 1940 10:18
81 years ago
3.4

6 km
2.5 mi W of Brawley, Imperial County, California, USAMore
Oct 16, 1940 17:52
81 years ago
3.7

6 km
11 mi S of Salton City, Imperial County, California, USAMore
Oct 15, 1940 13:51
81 years ago
2.7

6 km
15 mi SE of Borrego Springs, San Diego County, California, USAMore
Oct 13, 1940 11:54
81 years ago
3.2

6 km
14 mi NE of Pine Valley, San Diego County, California, USAMore
Oct 10, 1940 17:07
81 years ago
3.4

6 km
2.2 mi NE of Heber, Imperial County, California, USAMore
Oct 9, 1940 13:01
81 years ago
2.8

6 km
11 mi SW of Palm Springs, Riverside County, California, USAMore
Oct 8, 1940 02:18
81 years ago
2.9

6 km
10.3 mi S of Salton City, Imperial County, California, USAMore
Oct 8, 1940 00:39
81 years ago
3.0

6 km
10.3 mi S of Salton City, Imperial County, California, USAMore
Oct 6, 1940 18:19
81 years ago
4.1

6 km
8.6 mi S of Salton City, Imperial County, California, USAMore
Oct 1, 1940 06:25
81 years ago
3.0

6 km
12km SSE of Julian, CA (USA)More
Sep 29, 1940 05:09
81 years ago
2.6

6 km
4km NNE of Thousand Palms, CAMore
Sep 19, 1940 01:33
81 years ago
3.6

6 km
5.1 mi SE of Yucca Valley, San Bernardino County, California, USAMore
Sep 16, 1940 02:49
81 years ago
3.2

6 km
2.4 km S of Ejido Benito Juarez, Mexicali Municipality, Baja California, MexicoMore
Sep 12, 1940 20:03
81 years ago
2.8

6 km
San Diego County, 12 mi SE of Temecula, Riverside County, California, USAMore
Sep 12, 1940 00:15
81 years ago
4.4

6 km
72 km NW of San Felipe, Mexicali Municipality, Baja California, MexicoMore
Sep 12, 1940 00:06
81 years ago
3.8

6 km
Ejido Francisco R. Serrano, 13 km NE of Arroyo de Leon (Ejido Kiliwas), MexicoMore
Sep 6, 1940 06:08
81 years ago
2.5

6 km
8km WSW of Twentynine Palms, CA (USA)More
Sep 5, 1940 09:33
81 years ago
3.1

6 km
7 mi SE of Yucca Valley, San Bernardino County, California, USAMore
Aug 31, 1940 17:36
81 years ago
2.8

6 km
7.8 mi NE of Desert Hot Springs, Riverside County, California, USAMore
Aug 30, 1940 16:34
81 years ago
3.4

6 km
10km NE of Puebla, B.C., MX (Mexico)More
Aug 7, 1940 21:51
81 years ago
3.0

7.5 km
San Diego County, 5.5 mi SE of Aguanga, Riverside County, California, USAMore
Aug 1, 1940 19:31
81 years ago
3.7

6 km
8 mi E of Desert Hot Springs, Riverside County, California, USAMore
Jul 29, 1940 20:53
81 years ago
3.4

6 km
13 mi S of Salton City, Imperial County, California, USAMore
Jul 27, 1940 02:50
81 years ago
3.5

6 km
6.1 mi SE of Yucca Valley, San Bernardino County, California, USAMore
Jul 26, 1940 23:02
81 years ago
3.0

6 km
1.6 mi W of Sky Valley, Riverside County, California, USAMore
Jul 21, 1940 08:36
81 years ago
4.3

6 km
15 mi S of Salton City, Imperial County, California, USAMore
Jul 15, 1940 20:47
81 years ago
2.8

6 km
6.1 mi E of Julian, San Diego County, California, USAMore
Jul 15, 1940 02:32
81 years ago
3.8

6 km
1.7 mi SW of Holtville, Imperial County, California, USAMore
Jul 14, 1940 00:01
81 years ago
3.8

6 km
12 mi SE of Salton City, Imperial County, California, USAMore
Jul 13, 1940 22:50
81 years ago
3.5

6 km
14 mi S of Salton City, Imperial County, California, USAMore
Jul 13, 1940 17:45
81 years ago
3.7

6 km
18 mi NW of Brawley, Imperial County, California, USAMore
Jul 13, 1940 16:39
81 years ago
3.9

6 km
15 mi SE of Salton City, Imperial County, California, USAMore
Jul 11, 1940 13:34
81 years ago
2.9

6 km
Coronado Cays, 6.3 mi E of Chula Vista, San Diego County, California, USAMore
Jul 7, 1940 18:42
81 years ago
4.9

6 km
55 km NW of San Felipe, Mexicali Municipality, Baja California, MexicoMore
Jul 4, 1940 03:46
81 years ago
3.1

6 km
7.1 mi E of Brawley, Imperial County, California, USAMore
Jul 1, 1940 21:01
81 years ago
2.9

6 km
1.3 mi S of Palm Desert, Riverside County, California, USAMore
Jun 29, 1940 11:05
81 years ago
3.0

6 km
4.2 mi W of Palm Springs, Riverside County, California, USAMore
Jun 28, 1940 20:52
81 years ago
3.4

6 km
4.3 mi SE of El Sentro, Imperial County, California, USAMore
Jun 28, 1940 00:44
81 years ago
3.1

0 km
San Diego County, 10.8 mi SE of Aguanga, Riverside County, California, USAMore
Jun 27, 1940 18:16
81 years ago
2.6

6 km
13km SSE of Joshua Tree, CA (USA)More
Jun 26, 1940 04:54
81 years ago
3.6

6 km
2.2 mi NE of Heber, Imperial County, California, USAMore
Jun 24, 1940 16:39
82 years ago
3.9

6 km
2.2 mi SE of Morongo Valley, San Bernardino County, California, USAMore
Jun 23, 1940 07:07
82 years ago
3.7

6 km
7.5 mi SW of Twentynine Palms, San Bernardino County, California, USAMore
Jun 23, 1940 03:30
82 years ago
2.9

6 km
8.7 mi E of Desert Hot Springs, Riverside County, California, USAMore
Jun 20, 1940 10:20
82 years ago
3.0

6 km
California, 4 mi NE of Desert Edge, Riverside County, USAMore
Jun 19, 1940 17:46
82 years ago
3.1

6 km
San Diego County, 13 mi S of Anza, Riverside County, California, USAMore
Jun 19, 1940 03:09
82 years ago
3.2

6 km
10.2 mi SE of Joshua Tree, San Bernardino County, California, USAMore
Jun 18, 1940 06:14
82 years ago
3.9

6 km
6.6 mi SE of Joshua Tree, San Bernardino County, California, USAMore
Jun 18, 1940 00:12
82 years ago
2.6

6 km
1km NNW of La Quinta, CA (USA)More
Jun 15, 1940 19:32
82 years ago
2.9

6 km
8.8 mi SE of Yucca Valley, San Bernardino County, California, USAMore
Jun 15, 1940 19:16
82 years ago
2.6

6 km
15km S of Joshua Tree, CA (USA)More
Jun 14, 1940 21:58
82 years ago
3.8

6 km
3.5 mi SW of Joshua Tree, San Bernardino County, California, USAMore
Jun 14, 1940 13:57
82 years ago
3.4

6 km
3.2 mi S of Yucca Valley, San Bernardino County, California, USAMore
Jun 14, 1940 10:20
82 years ago
2.9

6 km
6.8 mi NE of Palm Desert, Riverside County, California, USAMore
Jun 13, 1940 16:54
82 years ago
3.0

6 km
1.4 mi NW of Desert Hot Springs, Riverside County, California, USAMore
Jun 11, 1940 20:35
82 years ago
3.2

6 km
Riverside County, 7.4 mi SE of Yucca Valley, San Bernardino County, California, USAMore
Jun 11, 1940 19:51
82 years ago
4.4

6 km
6.9 mi SE of Yucca Valley, San Bernardino County, California, USAMore
Jun 11, 1940 16:34
82 years ago
2.9

6 km
9.8 mi SW of Twentynine Palms, San Bernardino County, California, USAMore
Jun 11, 1940 02:35
82 years ago
3.1

6 km
2.8 mi NE of Cathedral City, Riverside County, California, USAMore
Jun 8, 1940 17:10
82 years ago
3.9

6 km
5.9 mi SE of Yucca Valley, San Bernardino County, California, USAMore
Jun 7, 1940 21:46
82 years ago
3.5

6 km
11 mi E of Desert Hot Springs, Riverside County, California, USAMore
Jun 7, 1940 21:28
82 years ago
3.0

0.1 km
5.3 mi SW of Borrego Springs, San Diego County, California, USAMore
Jun 7, 1940 15:35
82 years ago
3.6

6 km
7.1 mi SE of Yucca Valley, San Bernardino County, California, USAMore
Jun 7, 1940 09:48
82 years ago
3.0

6 km
2.2 mi NE of Palm Desert, Riverside County, California, USAMore
Jun 7, 1940 05:14
82 years ago
4.3

6 km
2.2 mi NE of Heber, Imperial County, California, USAMore
Jun 7, 1940 05:11
82 years ago
3.3

6 km
2.2 mi NE of Heber, Imperial County, California, USAMore
Jun 7, 1940 02:24
82 years ago
3.0

6 km
2.7 mi N of Palm Desert, Riverside County, California, USAMore
Jun 7, 1940 02:10
82 years ago
3.3

6 km
1.2 mi NE of Rancho Mirage, Riverside County, California, USAMore
Jun 6, 1940 23:56
82 years ago
4.3

6 km
9.2 mi E of Desert Hot Springs, Riverside County, California, USAMore
Jun 6, 1940 23:28
82 years ago
3.4

6 km
12 mi NE of Holtville, Imperial County, California, USAMore
Jun 6, 1940 23:21
82 years ago
4.0

6 km
5.6 mi SW of Borrego Springs, San Diego County, California, USAMore
Jun 6, 1940 22:21
82 years ago
4.2

6 km
7.1 mi E of Desert Hot Springs, Riverside County, California, USAMore
Jun 6, 1940 21:07
82 years ago
3.1

6 km
Riverside County, 8.4 mi SE of Yucca Valley, San Bernardino County, California, USAMore
Jun 6, 1940 14:09
82 years ago
3.2

6 km
Riverside County, 8.3 mi SE of Yucca Valley, San Bernardino County, California, USAMore
Jun 5, 1940 22:53
82 years ago
3.7

6 km
2.2 mi NE of Heber, Imperial County, California, USAMore
Jun 5, 1940 21:12
82 years ago
3.8

6 km
48 km SE of Maneadero, Ensenada Municipality, Baja California, MexicoMore
Jun 5, 1940 14:03
82 years ago
2.8

6 km
4.5 mi SW of Palm Desert, Riverside County, California, USAMore
Jun 4, 1940 23:33
82 years ago
3.5

6 km
La Paz County, 26 mi N of Arizona, Yuma County, Arizona, USAMore
Jun 4, 1940 13:03
82 years ago
3.1

6 km
5.7 mi S of Brawley, Imperial County, California, USAMore
Jun 4, 1940 11:56
82 years ago
3.5

6 km
6.9 mi E of Coachella, Riverside County, California, USAMore
Jun 4, 1940 11:14
82 years ago
3.3

6 km
10.8 mi S of Borrego Springs, San Diego County, California, USAMore
Jun 4, 1940 10:49
82 years ago
3.4

6 km
9.9 mi SE of Borrego Springs, San Diego County, California, USAMore
Jun 4, 1940 10:36
82 years ago
4.3

6 km
17 mi NE of Pine Valley, San Diego County, California, USAMore
Jun 4, 1940 10:35
82 years ago
5.0

6 km
16 mi NE of Pine Valley, San Diego County, California, USAMore
Jun 2, 1940 06:13
82 years ago
4.4

6 km
5.4 mi S of Yucca Valley, San Bernardino County, California, USAMore
Jun 1, 1940 23:59
82 years ago
4.7

6 km
7km W of Hermosillo, B.C., MX (Mexico)More
Jun 1, 1940 23:54
82 years ago
4.2

6 km
8.1 km W of Delta, Mexicali Municipality, Baja California, MexicoMore
Jun 1, 1940 23:41
82 years ago
3.4

6 km
Imperial County, California, 22 mi W of Arizona, Yuma County, Arizona, USAMore
Jun 1, 1940 22:41
82 years ago
3.5

6 km
Imperial County, California, 22 mi NW of Arizona, Yuma County, Arizona, USAMore
Jun 1, 1940 08:44
82 years ago
3.0

6 km
6.2 mi S of Yucca Valley, San Bernardino County, California, USAMore
Jun 1, 1940 06:54
82 years ago
4.4

6 km
5.7 mi E of Joshua Tree, San Bernardino County, California, USAMore
Jun 1, 1940 05:56
82 years ago
4.0

6 km
4.7 mi E of Joshua Tree, San Bernardino County, California, USAMore
Jun 1, 1940 05:27
82 years ago
4.6

6 km
3.1 mi SE of Joshua Tree, San Bernardino County, California, USAMore
May 28, 1940 08:03
82 years ago
3.2

6 km
5.7 mi SE of Yucca Valley, San Bernardino County, California, USAMore
May 27, 1940 15:37
82 years ago
3.3

6 km
4 mi SW of Palm Desert, Riverside County, California, USAMore
May 27, 1940 03:27
82 years ago
4.0

6 km
9.1 mi SE of Yucca Valley, San Bernardino County, California, USAMore
May 24, 1940 15:04
82 years ago
3.2

6 km
3.8 mi S of Yucca Valley, San Bernardino County, California, USAMore
May 23, 1940 03:18
82 years ago
3.5

6 km
6.5 mi E of Holtville, Imperial County, California, USAMore
May 23, 1940 00:12
82 years ago
3.6

6 km
12km WNW of Tecolots, B.C., MX (Mexico)More
May 22, 1940 20:56
82 years ago
3.5

6 km
14km E of Puebla, B.C., MX (Mexico)More
May 22, 1940 18:35
82 years ago
3.6

6 km
34km S of Progreso, B.C., MX (Mexico)More
May 22, 1940 14:10
82 years ago
3.9

6 km
4.2 mi E of Yucca Valley, San Bernardino County, California, USAMore
May 22, 1940 10:58
82 years ago
4.2

6 km
4.1 mi S of Brawley, Imperial County, California, USAMore
May 22, 1940 06:31
82 years ago
3.7

6 km
8.8 mi E of Desert Hot Springs, Riverside County, California, USAMore
May 22, 1940 06:03
82 years ago
3.3

6 km
8.1 mi SE of Yucca Valley, San Bernardino County, California, USAMore
May 22, 1940 05:24
82 years ago
3.3

6 km
6.4 mi S of Yucca Valley, San Bernardino County, California, USAMore
May 21, 1940 21:29
82 years ago
3.8

6 km
4 mi W of Holtville, Imperial County, California, USAMore
May 21, 1940 14:00
82 years ago
3.4

6 km
4.6 mi NE of El Sentro, Imperial County, California, USAMore
May 21, 1940 12:41
82 years ago
3.8

6 km
24km ESE of Estacion Coahuila, B.C., MX (Mexico)More
May 20, 1940 11:13
82 years ago
3.4

6 km
4.6 mi NE of El Sentro, Imperial County, California, USAMore
May 20, 1940 07:05
82 years ago
3.5

6 km
10.5 mi E of Calexico, Imperial County, California, USAMore
May 20, 1940 06:27
82 years ago
3.5

6 km
6.8 mi E of Holtville, Imperial County, California, USAMore
May 19, 1940 19:39
82 years ago
4.3

6 km
3.3 mi S of Joshua Tree, San Bernardino County, California, USAMore
May 19, 1940 15:51
82 years ago
3.6

6 km
4.6 mi NE of El Sentro, Imperial County, California, USAMore
May 19, 1940 15:30
82 years ago
4.3

6 km
4.6 mi NE of El Sentro, Imperial County, California, USAMore
May 19, 1940 13:41
82 years ago
4.0

6 km
5.6 mi N of Brawley, Imperial County, California, USAMore
May 19, 1940 13:06
82 years ago
4.0

6 km
8 mi SE of Yucca Valley, San Bernardino County, California, USAMore
May 19, 1940 12:09
82 years ago
4.0

6 km
4.6 mi NE of El Sentro, Imperial County, California, USAMore
May 19, 1940 09:17
82 years ago
4.2

6 km
4.6 mi NE of El Sentro, Imperial County, California, USAMore
May 19, 1940 08:55
82 years ago
4.1

6 km
4.6 mi NE of El Sentro, Imperial County, California, USAMore
May 19, 1940 07:01
82 years ago
4.3

6 km
4.6 mi NE of El Sentro, Imperial County, California, USAMore
May 19, 1940 07:01
82 years ago
4.5

16 km
5 mi E of El Sentro, Imperial County, California, USAMore
May 19, 1940 06:35
82 years ago
5.2

6 km
4.6 mi NE of El Sentro, Imperial County, California, USAMore
May 19, 1940 06:33
82 years ago
5.2

6 km
4.6 mi NE of El Sentro, Imperial County, California, USAMore
May 19, 1940 06:17
82 years ago
4.7

6 km
4.6 mi NE of El Sentro, Imperial County, California, USAMore
May 19, 1940 05:57
82 years ago
4.7

6 km
4.6 mi NE of El Sentro, Imperial County, California, USAMore
May 19, 1940 05:51
82 years ago
5.4

6 km
4.1 mi E of Imperial, California, USAMore
May 19, 1940 05:44
82 years ago
4.9

6 km
4.6 mi NE of El Sentro, Imperial County, California, USAMore
May 19, 1940 05:03
82 years ago
4.4

6 km
4.6 mi NE of El Sentro, Imperial County, California, USAMore
May 19, 1940 04:54
82 years ago
5.2

6 km
4.6 mi NE of El Sentro, Imperial County, California, USAMore
May 19, 1940 04:48
82 years ago
4.7

6 km
4.6 mi NE of El Sentro, Imperial County, California, USAMore
Show all

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