1.9 2018/12/13 00:04:11 34.056N 117.258W 18.0 1 km ( 1 mi) NNE of Loma Linda, CA 0.9 2018/12/12 13:19:01 33.873N 117.511W -0.5 3 km ( 2 mi) NNW of Quarry at CORONA (Probable quarry explosion) 1.6 2018/12/12 11:51:17 34.990N 118.181W -0.8 2 km ( 2 mi) SSW of Quarry at TPO-DBM (Probable quarry explosion) 1.5 2018/12/12 10:16:12 33.907N 117.794W 3.3 3 km ( 2 mi) NE of Yorba Linda, CA 0.9 2018/12/12 06:23:09 34.246N 117.537W 6.8 4 km ( 2 mi) WSW of Lytle Creek, CA 0.1 2018/12/12 00:08:16 33.731N 117.469W 6.0 13 km ( 8 mi) NE of Trabuco Canyon, CA 2.0 2018/12/11 23:13:58 33.888N 118.034W 16.7 4 km ( 2 mi) SSW of La Mirada, CA 2.3 2018/12/11 06:52:33 33.895N 118.032W 15.7 3 km ( 2 mi) SW of La Mirada, CA 1.3 2018/12/11 03:12:38 34.514N 118.674W 3.4 5 km ( 3 mi) WNW of Castaic, CA 1.0 2018/12/10 13:32:35 34.005N 117.198W 13.9 6 km ( 4 mi) SSW of Redlands, CA 1.6 2018/12/10 03:42:45 34.420N 118.631W 8.0 7 km ( 4 mi) SW of Valencia, CA 1.3 2018/12/09 17:38:27 34.358N 118.320W 5.1 10 km ( 6 mi) NNE of Lake View Terrace, CA 1.1 2018/12/09 04:10:22 34.500N 118.681W 17.9 5 km ( 3 mi) WNW of Castaic, CA 1.5 2018/12/08 22:58:25 33.836N 118.106W 13.7 3 km ( 2 mi) W of Hawaiian Gardens, CA 1.8 2018/12/08 19:46:04 34.504N 118.682W 16.9 6 km ( 4 mi) WNW of Castaic, CA 1.2 2018/12/08 18:16:37 33.972N 118.406W 12.5 4 km ( 3 mi) ESE of Marina del Rey, CA 1.6 2018/12/08 17:29:55 33.971N 118.400W 11.7 5 km ( 3 mi) SW of Baldwin Hills, CA 1.2 2018/12/08 14:13:11 33.665N 117.350W 9.7 2 km ( 1 mi) W of Lake Elsinore, CA 2.5 2018/12/08 14:04:04 34.236N 117.447W 10.3 4 km ( 3 mi) WNW of Devore, CA 1.5 2018/12/08 13:59:55 33.725N 117.490W 11.3 11 km ( 7 mi) NE of Trabuco Canyon, CA 1.1 2018/12/08 11:18:13 34.248N 117.531W 7.1 3 km ( 2 mi) WSW of Lytle Creek, CA 1.3 2018/12/08 10:24:39 34.149N 117.589W 9.2 3 km ( 2 mi) NNW of Rancho Cucamonga, CA 0.5 2018/12/08 10:16:27 33.693N 117.445W 4.1 11 km ( 7 mi) WNW of Lakeland Village, CA 0.9 2018/12/08 03:07:53 33.827N 117.703W 7.3 10 km ( 6 mi) E of Villa Park, CA 1.4 2018/12/08 02:56:29 34.008N 117.198W 13.5 6 km ( 3 mi) SSW of Redlands, CA 0.7 2018/12/08 02:55:58 34.013N 117.198W 14.9 5 km ( 3 mi) SSW of Redlands, CA 1.4 2018/12/08 02:31:23 33.708N 118.216W 10.2 8 km ( 5 mi) ESE of San Pedro, CA 1.1 2018/12/08 01:26:21 33.990N 118.428W 9.9 2 km ( 1 mi) ENE of Marina del Rey, CA 0.5 2018/12/07 22:40:39 34.134N 117.719W 9.0 4 km ( 3 mi) N of Claremont, CA 1.0 2018/12/07 17:26:37 34.132N 117.775W 5.7 4 km ( 2 mi) N of La Verne, CA 0.3 2018/12/07 14:08:06 33.695N 117.445W 3.7 11 km ( 7 mi) NW of Lakeland Village, CA 0.9 2018/12/07 12:48:24 33.864N 117.516W -0.5 2 km ( 1 mi) NW of Quarry at CORONA (Probable quarry explosion) 1.4 2018/12/07 11:51:16 34.992N 118.189W -0.8 3 km ( 2 mi) SW of Quarry at TPO-DBM (Probable quarry explosion) 1.8 2018/12/07 10:00:59 34.421N 118.641W 6.6 7 km ( 5 mi) WSW of Valencia, CA 2.4 2018/12/07 09:59:16 34.424N 118.634W 7.0 7 km ( 4 mi) WSW of Valencia, CA 0.8 2018/12/07 06:44:59 34.007N 117.174W 17.4 5 km ( 3 mi) S of Redlands, CA 1.4 2018/12/07 05:51:47 34.134N 117.777W 6.4 4 km ( 2 mi) NNW of La Verne, CA 2.1 2018/12/07 04:34:43 34.424N 118.633W 7.0 7 km ( 4 mi) WSW of Valencia, CA 1.3 2018/12/07 03:13:43 34.422N 118.632W 7.2 7 km ( 4 mi) WSW of Valencia, CA 1.0 2018/12/06 20:19:21 34.009N 117.228W 14.9 5 km ( 3 mi) SE of Loma Linda, CA