The above in the blue squares, are today's earthquakes. You can see the swarm at the south end of the bean shaped lake. That's Salton Buttes volcano. This is from the USGS website.
Here is an example of today's earthquakes, in waveform. This is from the USGS.
Above is a map of the Eastern California Shear Zone, where there is a plate boundry, a good many faults and a rifting zone that will eventually separate California from the North American mainland. It has already done so further to the south, where Baja California is drifting away from mainland Mexico (North American Plate). Salton Buttes Volcano is at the southern tip of the pinkish area.
Here I am going nuts with my two favorite cameras, a Sony FX-1 and a Holga 120 format film still camera. This is at some vents and mud volcanos just east of the lava dome called Obsidian Butte, at the Salton Buttes volcano.
Here is a couple of vents at Salton Butte volcano, where brine is super heated by cooling magma about a mile and a half down, and brought to the surface, along with Co2 and Sulfur.
Here is a USGS example of the waveform on just one of the quakes on Feb. 11, 2012, at the volcano.
Here is a map of Southern California. The blue squares are earthquakes within 24 hours on Feb. 11, 2012, and the ones at the south end of the big bean shaped lake are the Salton Buttes events.There has been over a hundred small earthquakes at Salton Buttes volcano, on the Salton Sea, in the Southern California desert. They range from around 20 miles deep to under a mile deep. Much of the swarm is within a mile or two of the volcano, and then there is some more wide spread activity. One spring just outside of Indio has kicked into increased micro quakes as well, and usually does that when Salton Buttes has a swarm.
1.3
2012/02/26
18:45:06
33.318N
116.101W
2.9
10 km ( 6 mi) SW of Salton Sea Beach, CA
1.5
2012/02/26
14:27:24
33.017N
116.408W
22.9
18 km (11 mi) ESE of Julian, CA
1.5
2012/02/26
13:58:24
33.121N
116.251W
12.3
11 km ( 7 mi) WSW of Ocotillo Wells, CA
1.1
2012/02/26
13:51:07
33.320N
116.638W
32.5
15 km ( 9 mi) NE of Lake Henshaw, CA
1.5
2012/02/26
13:43:55
33.373N
115.595W
8.5
13 km ( 8 mi) E of Bombay Beach, CA
1.0
2012/02/26
13:18:04
33.051N
116.608W
11.7
2.5
2012/02/26
12:42:49
33.254N
115.688W
4.1
10 km ( 7 mi) NNW of Obsidian Butte, CA
1.3
2012/02/26
12:28:47
33.310N
116.263W
8.3
12 km ( 8 mi) NE of Borrego Springs, CA
2.1
2012/02/26
12:06:13
33.188N
115.610W
2.8
3 km ( 2 mi) NE of Obsidian Butte, CA
1.5
2012/02/26
11:41:33
33.085N
115.874W
21.8
24 km (15 mi) WNW of Westmorland, CA
1.4
2012/02/26
11:37:57
33.680N
116.274W
3.0
2 km ( 1 mi) ENE of La Quinta, CA
1.3
2012/02/26
11:36:26
33.085N
116.372W
4.4
18 km (11 mi) S of Borrego Springs, CA
1.5
2012/02/26
11:35:40
32.627N
116.545W
19.2
10 km ( 6 mi) NE of Tecate, Baja California, Mexico
2.3
2012/02/26
11:35:02
33.393N
115.473W
17.3
18 km (11 mi) NNE of Niland, CA
2.2
2012/02/26
11:34:59
33.272N
115.665W
7.7
11 km ( 7 mi) SE of Bombay Beach, CA
2.0
2012/02/26
11:33:06
33.227N
115.595W
0.1
7 km ( 5 mi) NNE of Obsidian Butte, CA
1.4
2012/02/26
11:31:43
33.522N
115.808W
0.1
12 km ( 8 mi) E of North Shore, CA
2.4
2012/02/26
11:22:27
33.188N
115.607W
2.3
3 km ( 2 mi) NE of Obsidian Butte, CA
1.6
2012/02/26
11:01:11
33.225N
115.566W
0.6
5 km ( 3 mi) WSW of Niland, CA
1.3
2012/02/26
10:58:46
33.172N
115.608W
0.0
3 km ( 2 mi) E of Obsidian Butte, CA
1.8
2012/02/26
10:18:01
33.457N
116.902W
12.1
12 km ( 7 mi) NNW of Palomar Observatory, CA
2.4
2012/02/26
10:00:53
33.245N
115.570W
1.6
1.5
2012/02/26
10:00:17
33.253N
115.576W
5.7
6 km ( 4 mi) WNW of Niland, CA
1.4
2012/02/26
09:34:02
33.181N
115.600W
0.0
4 km ( 2 mi) ENE of Obsidian Butte, CA
2.9
2012/02/26
08:40:22
33.219N
115.558W
2.2
5 km ( 3 mi) WSW of Niland, CA
1.4
2012/02/26
08:27:50
33.146N
115.880W
6.4
19 km (12 mi) SSE of Salton City, CA
1.8
2012/02/26
08:25:43
33.248N
115.562W
1.1
5 km ( 3 mi) WNW of Niland, CA
2.2
2012/02/26
04:37:25
33.243N
115.561W
1.5
1.8
2012/02/26
04:36:21
33.238N
115.564W
1.0
2.4
2012/02/26
04:29:46
33.290N
115.330W
21.5
18 km (11 mi) ENE of Niland, CA
1.6
2012/02/26
04:20:44
33.298N
115.491W
9.1
7 km ( 4 mi) NNE of Niland, CA
1.5
2012/02/26
04:06:20
33.306N
115.532W
6.7
8 km ( 5 mi) NNW of Niland, CA
1.7
2012/02/26
04:05:27
33.334N
115.517W
6.9
1.5
2012/02/26
03:37:49
33.241N
115.592W
4.4
3.2
2012/02/26
03:31:19
33.230N
115.561W
2.3
5 KM ( 3 MI) WSW OF NILAND, CA
1.5
2012/02/25
22:52:54
33.965N
116.356W
9.0
14 km ( 9 mi) E of Desert Hot Springs, CA
1.2
2012/02/25
20:13:43
33.463N
116.459W
11.0
1.3
2012/02/25
18:32:23
32.742N
116.088W
6.2
9 km ( 5 mi) W of Ocotillo, CA
1.5
2012/02/25
14:45:02
33.046N
116.456W
4.5
12 km ( 8 mi) ESE of Julian, CA
1.8
2012/02/25
14:25:28
32.575N
115.689W
11.3
21 km (13 mi) WSW of Calexico, CA
2.2
2012/02/25
09:25:09
32.598N
115.728W
8.5
1.8
2012/02/25
08:32:22
32.561N
115.670W
10.7
21 km (13 mi) SW of Calexico, CA
1.0
2012/02/25
07:12:05
33.253N
116.547W
12.3
16 km (10 mi) W of Borrego Springs, CA
2.7
2012/02/25
06:19:13
32.582N
115.751W
2.5
24 km (15 mi) SSW of Seeley, CA
1.2
2012/02/25
05:21:35
33.695N
116.805W
19.7
10 km ( 6 mi) WSW of Idyllwild, CA
1.6
2012/02/25
01:36:25
32.916N
116.233W
8.1
27 km (17 mi) SSW of Ocotillo Wells, CA
1.2
2012/02/25
01:17:40
32.909N
116.234W
8.3
28 km (17 mi) SSW of Ocotillo Wells, CA
1.4
2012/02/25
00:21:43
33.145N
115.757W
11.5
12 km ( 7 mi) WSW of Obsidian Butte, CA
1.3
2012/02/24
23:04:57
33.712N
116.832W
18.8
8 km ( 5 mi) SE of Valle Vista, CA
1.6
2012/02/24
19:19:50
33.232N
115.549W
0.1
3 km ( 2 mi) WSW of Niland, CA
1.2
2012/02/24
17:38:39
33.343N
116.275W
12.8
14 km ( 9 mi) NE of Borrego Springs, CA
1.4
2012/02/24
16:39:04
33.404N
116.406W
0.1
18 km (11 mi) N of Borrego Springs, CA
1.7
2012/02/24
16:25:33
33.362N
116.441W
8.6
14 km ( 9 mi) NNW of Borrego Springs, CA
1.1
2012/02/24
15:08:00
33.320N
116.365W
9.9
8 km ( 5 mi) N of Borrego Springs, CA
1.2
2012/02/24
14:46:48
33.730N
116.844W
17.9
6 km ( 3 mi) ESE of Valle Vista, CA
1.9
2012/02/24
07:42:33
32.657N
115.947W
6.5
10 km ( 6 mi) SSE of Ocotillo, CA
1.9
2012/02/23
22:38:56
32.373N
115.539W
10.3
32 km (20 mi) SSW of Mexicali, Baja California, Mexico
1.0
2012/02/23
22:19:46
33.362N
116.420W
10.4
14 km ( 8 mi) NNW of Borrego Springs, CA
1.2
2012/02/23
20:28:04
33.206N
115.558W
0.0
1.5
2012/02/23
13:48:36
33.641N
116.716W
15.1
1.6
2012/02/23
12:44:47
33.347N
115.731W
7.3
1 km ( 0 mi) SSW of Bombay Beach, CA
1.0
2012/02/23
10:58:21
33.370N
116.303W
12.1
15 km ( 9 mi) NNE of Borrego Springs, CA
1.0
2012/02/23
08:45:13
33.405N
116.382W
8.1
18 km (11 mi) N of Borrego Springs, CA
2.0
2012/02/23
01:33:21
32.697N
115.710W
4.0
1.1
2012/02/23
00:54:50
33.787N
116.073W
4.5
15 km ( 9 mi) NE of Coachella, CA
2.5
2012/02/22
23:30:21
33.957N
116.969W
5.0
4 km ( 2 mi) N of Beaumont, CA
1.1
2012/02/22
20:07:21
32.900N
116.240W
8.0
28 km (17 mi) ENE of Pine Valley, CA
1.4
2012/02/22
18:11:06
33.154N
115.630W
0.8
2 km ( 1 mi) SSE of Obsidian Butte, CA
1.3
2012/02/22
17:19:24
33.249N
116.409W
4.9
3 km ( 2 mi) W of Borrego Springs, CA
1.6
2012/02/22
16:50:20
32.657N
115.919W
6.5
12 km ( 7 mi) SE of Ocotillo, CA
1.9
2012/02/22
15:07:37
32.847N
115.734W
4.6
1.9
2012/02/22
13:29:16
33.789N
116.080W
5.5
15 km ( 9 mi) NE of Coachella, CA
1.9
2012/02/22
12:52:59
33.451N
116.625W
6.8
1.1
2012/02/22
11:33:03
33.272N
116.245W
5.6
12 km ( 8 mi) ENE of Borrego Springs, CA
1.2
2012/02/22
11:33:02
33.270N
116.227W
5.7
14 km ( 9 mi) E of Borrego Springs, CA
1.1
2012/02/22
08:55:07
33.782N
116.081W
4.6
14 km ( 9 mi) NE of Coachella, CA
1.5
2012/02/22
06:51:35
32.910N
116.222W
7.3
27 km (17 mi) SSW of Ocotillo Wells, CA
1.1
2012/02/22
06:43:31
32.910N
116.226W
8.0
27 km (17 mi) SSW of Ocotillo Wells, CA
1.7
2012/02/22
05:35:57
33.791N
116.088W
2.4
15 km ( 9 mi) NNE of Coachella, CA
2.6
2012/02/22
05:12:06
32.141N
115.279W
12.6
23 km (14 mi) SW of Guadalupe Victoria, Baja California, Mexico
2.1
2012/02/22
00:52:44
32.439N
115.488W
19.7
24 km (15 mi) S of Mexicali, Baja California, Mexico
2.1
2012/02/21
23:57:22
32.185N
115.230W
8.2
16 km (10 mi) SW of Guadalupe Victoria, Baja California, Mexico
1.5
2012/02/21
20:09:01
32.652N
115.926W
11.7
12 km ( 7 mi) SE of Ocotillo, CA
1.6
2012/02/21
18:17:23
33.783N
116.070W
5.5
15 km ( 9 mi) NE of Coachella, CA
1.3
2012/02/21
17:02:04
33.781N
116.065W
5.6
15 km ( 9 mi) NE of Coachella, CA
1.8
2012/02/21
15:23:15
33.663N
116.731W
15.3
9 km ( 6 mi) S of Idyllwild, CA
1.5
2012/02/21
11:06:01
33.977N
116.975W
9.9
6 km ( 4 mi) N of Beaumont, CA
1.5
2012/02/21
07:22:48
32.685N
115.682W
7.9
2.1
2012/02/21
05:52:24
33.974N
116.643W
17.4
11 km ( 7 mi) SSW of Morongo Valley, CA
1.2
2012/02/21
02:37:03
32.965N
116.232W
11.6
22 km (14 mi) SSW of Ocotillo Wells, CA
1.4
2012/02/21
00:21:21
32.995N
116.453W
8.8
15 km ( 9 mi) SE of Julian, CA
1.2
2012/02/20
20:51:25
32.671N
115.844W
6.2
16 km (10 mi) ESE of Ocotillo, CA
1.7
2012/02/20
18:39:38
33.001N
115.566W
12.4
4 km ( 2 mi) NW of Brawley, CA
1.6
2012/02/20
16:51:39
33.643N
116.731W
15.2
1.0
2012/02/20
16:48:07
33.246N
115.549W
0.3
3 km ( 2 mi) WNW of Niland, CA
1.1
2012/02/20
13:56:56
33.226N
115.546W
1.7
3 km ( 2 mi) WSW of Niland, CA
1.5
2012/02/20
13:15:31
33.210N
115.561W
1.8
1.4
2012/02/20
13:10:55
33.203N
115.559W
1.6
1.4
2012/02/20
12:40:33
33.221N
115.553W
3.4
4 km ( 3 mi) WSW of Niland, CA
1.1
2012/02/20
12:32:53
33.217N
115.558W
0.0
5 km ( 3 mi) WSW of Niland, CA
1.6
2012/02/20
12:31:10
33.213N
115.558W
0.4
2.0
2012/02/20
12:30:10
33.213N
115.554W
0.2
1.3
2012/02/20
12:28:38
33.211N
115.558W
1.3
1.8
2012/02/20
12:08:01
33.210N
115.557W
0.0
1.8
2012/02/20
12:02:17
33.236N
115.554W
0.1
1.5
2012/02/20
12:02:12
33.214N
115.558W
1.3
1.3
2012/02/20
11:46:29
33.237N
115.546W
0.2
1.1
2012/02/20
11:46:19
33.256N
115.536W
1.8
2.7
2012/02/20
11:41:32
33.207N
115.556W
1.2
3.0
2012/02/20
11:37:25
33.212N
115.554W
0.4
1.3
2012/02/20
11:32:07
33.235N
115.549W
2.7
2.5
2012/02/20
11:29:38
33.214N
115.556W
1.2
1.0
2012/02/20
07:24:35
33.248N
115.547W
1.7
3 km ( 2 mi) WNW of Niland, CA
1.2
2012/02/20
07:16:27
33.245N
115.547W
2.4
3 km ( 2 mi) WNW of Niland, CA
2.9
2012/02/20
06:10:52
33.454N
116.526W
11.6
1.0
2012/02/20
05:51:50
33.240N
115.542W
0.8
1.3
2012/02/20
05:39:50
33.238N
115.552W
2.1
2.2
2012/02/20
05:37:19
33.217N
115.552W
0.0
1.3
2012/02/20
04:01:19
33.236N
115.553W
3.3
1.3
2012/02/20
03:58:11
33.235N
115.548W
3.1
1.5
2012/02/20
03:57:13
33.245N
115.551W
0.3
1.4
2012/02/20
02:46:44
33.245N
115.547W
2.1
3 km ( 2 mi) WNW of Niland, CA
1.4
2012/02/20
02:39:56
33.236N
115.547W
2.9
1.1
2012/02/20
01:32:13
33.237N
115.546W
3.2
1.4
2012/02/20
01:10:56
33.246N
115.549W
0.3
3 km ( 2 mi) WNW of Niland, CA
2.3
2012/02/20
01:06:53
33.219N
115.555W
0.6
4 km ( 3 mi) WSW of Niland, CA
1.5
2012/02/20
01:03:52
33.206N
115.556W
3.1
1.9
2012/02/20
01:02:46
33.209N
115.552W
0.0
1.2
2012/02/20
00:53:44
33.255N
115.535W
0.2
1.6
2012/02/20
00:18:23
33.208N
115.553W
1.3
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