Category: Local Earthquake

12/05/2018, M4.2 near Trona

05 Dec 2018 13:40:17 PST, (35.735, -117.077), depth 4.4km, 28km E of Trona, California Aftershocks: so far (05 Dec 2018, 02:32PM PST) there have been 3 aftershocks recorded, the largest M3.7 (smallest M1.1). More may be expected in the next

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11/29/2018, M3.9 near Ocotillo Wells

29 Nov 2018 05:48:53 PST, (33.015, -115.983), depth 11.4km, 20km SE of Ocotillo Wells, California Aftershocks: so far there have been no aftershocks recorded. Some may be expected in the next few days, the largest expected is approximately 1 magnitude

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11/19/2018, M4.8 near Alberto Oviedo Mota

19 Nov 2018 12:18:42 PST, (32.207, -115.253), depth 10.9km, 8km WSW of Alberto Oviedo Mota, B.C., Mexico Aftershocks: so far (20 Nov 2018, 08:29AM PST) there have been 11 aftershocks recorded, the largest M3.5 (smallest M2.2). More may be expected

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11/09/2018, M3.8 near Aguanga

Two events above M3.5 have occurred in the ongoing Cahuilla swarm: 09 Nov 2018 06:45:50 PST, (33.483, -116.802), depth 2.0km, 7km NE of Aguanga, California 09 Nov 2018 06:58:09 PST, (33.485, -116.803), depth 1.1km, 7km NE of Aguanga, California Aftershocks:

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10/24/2018, M3.6 near Lone Pine

24 Oct 2018 14:28:02 PDT, (36.602, -117.980), depth 10.6km, 8km ENE of Lone Pine, California Aftershocks: so far there have been no aftershocks recorded. Some may be expected in the next few days, the largest expected is approximately 1 magnitude

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09/30/2018, M3.6 near Calimesa

30 Sep 2018 07:41:29 PDT, (34.002, -117.018), depth 16.3km, 4km ENE of Calimesa, California Aftershocks: so far (01 Oct 2018, 08:10AM PDT) there have been 5 aftershocks recorded, the largest M1.4 (smallest M0.7). More may be expected in the next

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09/28/2018, M4.4 near Delta, Baja California

28 Sep 2018 19:17:46 PDT, (32.348, -115.183), depth 28.7km, 1km SE of Delta, B.C., Mexico Aftershocks: so far there have been no aftershocks recorded. Some may be expected in the next few days, the largest expected is approximately 1 magnitude

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08/28/2018, M4.4 near La Verne

28 Aug 2018 19:33:28 PDT, (34.137, -117.775), depth 5.5km, 4km N of La Verne, California Aftershocks: so far (29 Aug 2018, 08:05AM PDT) there have been 37 aftershocks recorded, the largest M3.4 (smallest M0.5). More may be expected in the

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The Cahuilla Earthquake Swarm: 2016-2018

Update: 24 August 2018 Egill Hauksson, Zach Ross and Jen Andrews, Caltech; Elizabeth Cochran, USGS Pasadena The most recent Cahuilla swarm, which started in mid-2016, has grown steadily in number of events (currently ~6,300 of magnitude larger than 0.3) and

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08/14/2018, M4.4 near Aguanga

14 Aug 2018 18:24:26 PDT, (33.477, -116.803), depth 1.9km, 7km NE of Aguanga, California Aftershocks: so far (16 Aug 2018, 10:48AM PDT) there have been 435 aftershocks recorded, the largest M2.9 (smallest M0.0). More may be expected in the next

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