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Sequence · 2015-09-17

M 6.7 · Observed seismic cluster · 61 km WNW of Illapel, Chile

Explore clusters of M4.5+ events observed around significant earthquakes. These clusters are descriptive and are not presented as earthquake predictions.

M4.5+ events in cluster181
M6+8
Analysis radius292 km
Observation window14 days
Largest secondary eventM 6.6
Quake Pulse

Sequence timeline

Within first 24 hours77
Within first 7 days158
Observed duration13.9 d
Gap from reference eventM 0.1
0 h13.9 d
Quake Pulse

Main-event impact

50 Felt reports · PAGER GREEN · Shallow

56/100
Impact and context →

M4.5+ events in cluster

MagnitudeLocationDepthTime
M 6.761 km WNW of Illapel, Chile23.0 km2015-09-17 04:10:27 UTCView event →
M 5.436 km SSW of Ovalle, Chile35.0 km2015-09-17 04:18:31 UTCView event →
M 5.580 km WNW of Illapel, Chile17.6 km2015-09-17 04:26:38 UTCView event →
M 5.198 km WSW of Ovalle, Chile4.8 km2015-09-17 04:32:11 UTCView event →
M 5.280 km WNW of Illapel, Chile19.8 km2015-09-17 04:38:08 UTCView event →
M 4.9139 km WSW of Ovalle, Chile4.0 km2015-09-17 04:43:41 UTCView event →
M 4.547 km WNW of Illapel, Chile35.0 km2015-09-17 05:00:53 UTCView event →
M 4.864 km WNW of Illapel, Chile14.5 km2015-09-17 05:04:46 UTCView event →
M 4.517 km WNW of Ovalle, Chile31.9 km2015-09-17 05:10:07 UTCView event →
M 4.9Off the coast of Coquimbo, Chile10.0 km2015-09-17 05:16:31 UTCView event →
M 4.691 km WNW of Illapel, Chile23.3 km2015-09-17 05:26:39 UTCView event →
M 5.279 km WNW of Illapel, Chile9.3 km2015-09-17 05:40:57 UTCView event →
M 5.592 km WSW of Illapel, Chile10.0 km2015-09-17 05:44:39 UTCView event →
M 4.889 km WSW of Illapel, Chile16.0 km2015-09-17 05:57:11 UTCView event →
M 4.742 km W of Illapel, Chile10.0 km2015-09-17 06:01:05 UTCView event →
M 4.581 km W of Ovalle, Chile10.0 km2015-09-17 06:04:06 UTCView event →
M 4.545 km WNW of La Ligua, Chile38.1 km2015-09-17 06:20:21 UTCView event →
M 4.867 km WNW of Illapel, Chile17.7 km2015-09-17 06:20:29 UTCView event →
M 4.974 km W of Illapel, Chile18.3 km2015-09-17 06:38:55 UTCView event →
M 4.568 km W of Ovalle, Chile17.5 km2015-09-17 07:01:01 UTCView event →
M 4.5Near the coast of Coquimbo, Chile22.1 km2015-09-17 07:18:03 UTCView event →
M 4.777 km WSW of Illapel, Chile13.0 km2015-09-17 07:18:55 UTCView event →
M 4.941 km WNW of Illapel, Chile43.7 km2015-09-17 07:28:04 UTCView event →
M 4.5121 km WSW of Coquimbo, Chile19.3 km2015-09-17 07:39:46 UTCView event →
M 4.580 km W of Illapel, Chile8.9 km2015-09-17 07:46:24 UTCView event →
M 4.574 km W of Illapel, Chile8.4 km2015-09-17 08:10:36 UTCView event →
M 4.573 km NW of Illapel, Chile20.2 km2015-09-17 08:31:17 UTCView event →
M 4.722 km W of Illapel, Chile38.8 km2015-09-17 08:32:43 UTCView event →
M 4.670 km NW of Illapel, Chile28.5 km2015-09-17 08:39:01 UTCView event →
M 4.5113 km W of Illapel, Chile10.0 km2015-09-17 09:03:47 UTCView event →
M 4.681 km SW of Ovalle, Chile10.0 km2015-09-17 09:12:32 UTCView event →
M 4.680 km NW of Illapel, Chile22.9 km2015-09-17 09:27:54 UTCView event →
M 4.685 km W of Illapel, Chile10.0 km2015-09-17 09:42:08 UTCView event →
M 4.965 km W of Ovalle, Chile10.0 km2015-09-17 10:12:52 UTCView event →
M 5.249 km SSW of Ovalle, Chile38.2 km2015-09-17 10:31:26 UTCView event →
M 4.5116 km W of Illapel, Chile14.2 km2015-09-17 10:53:43 UTCView event →
M 4.5141 km WSW of Ovalle, Chile10.0 km2015-09-17 11:24:31 UTCView event →
M 5.398 km WNW of La Ligua, Chile7.1 km2015-09-17 12:09:43 UTCView event →
M 5.913 km NNW of Viña del Mar, Chile10.0 km2015-09-17 12:14:34 UTCView event →
M 4.660 km WNW of Illapel, Chile25.6 km2015-09-17 12:24:29 UTCView event →
M 4.670 km WNW of La Ligua, Chile10.0 km2015-09-17 12:25:07 UTCView event →
M 4.536 km WSW of Ovalle, Chile31.9 km2015-09-17 12:58:08 UTCView event →
M 4.751 km SW of Coquimbo, Chile15.8 km2015-09-17 13:04:55 UTCView event →
M 4.695 km WNW of Illapel, Chile40.4 km2015-09-17 13:22:46 UTCView event →
M 5.9113 km WNW of La Ligua, Chile10.0 km2015-09-17 13:32:26 UTCView event →
M 4.575 km WNW of Illapel, Chile10.0 km2015-09-17 13:39:37 UTCView event →
M 4.544 km NW of La Ligua, Chile35.0 km2015-09-17 14:14:11 UTCView event →
M 5.782 km WSW of Ovalle, Chile10.0 km2015-09-17 14:19:15 UTCView event →
M 4.664 km WNW of Illapel, Chile10.0 km2015-09-17 14:35:01 UTCView event →
M 4.6169 km WSW of Ovalle, Chile8.3 km2015-09-17 15:00:34 UTCView event →
M 4.875 km W of Illapel, Chile27.1 km2015-09-17 16:01:04 UTCView event →
M 4.881 km WNW of Illapel, Chile14.6 km2015-09-17 16:04:03 UTCView event →
M 5.337 km SSW of Ovalle, Chile35.0 km2015-09-17 16:08:35 UTCView event →
M 4.868 km WNW of Illapel, Chile6.2 km2015-09-17 16:46:21 UTCView event →
M 5.375 km WNW of Coquimbo, Chile10.0 km2015-09-17 16:52:17 UTCView event →
M 4.8137 km W of Ovalle, Chile10.0 km2015-09-17 17:02:12 UTCView event →
M 4.583 km WSW of Coquimbo, Chile14.6 km2015-09-17 17:17:51 UTCView event →
M 4.778 km WNW of La Ligua, Chile3.3 km2015-09-17 17:18:32 UTCView event →
M 4.639 km W of Ovalle, Chile27.8 km2015-09-17 17:32:21 UTCView event →
M 4.581 km WSW of Ovalle, Chile10.0 km2015-09-17 18:04:41 UTCView event →
M 4.983 km W of Illapel, Chile4.5 km2015-09-17 18:26:40 UTCView event →
M 4.6127 km WSW of Coquimbo, Chile10.0 km2015-09-17 18:51:58 UTCView event →
M 5.066 km WNW of La Ligua, Chile16.4 km2015-09-17 20:24:35 UTCView event →
M 5.552 km W of Coquimbo, Chile5.7 km2015-09-17 20:40:31 UTCView event →
M 4.5104 km W of Illapel, Chile10.0 km2015-09-17 20:50:43 UTCView event →
M 4.994 km WSW of Coquimbo, Chile4.2 km2015-09-17 22:08:03 UTCView event →
M 5.275 km SW of Ovalle, Chile23.2 km2015-09-17 22:39:20 UTCView event →
M 4.5Off the coast of Coquimbo, Chile10.0 km2015-09-17 23:35:00 UTCView event →
M 5.1109 km W of Illapel, Chile10.0 km2015-09-17 23:55:00 UTCView event →
M 4.551 km WNW of Illapel, Chile30.4 km2015-09-18 01:11:36 UTCView event →
M 4.868 km WNW of Illapel, Chile15.3 km2015-09-18 01:50:21 UTCView event →
M 4.5127 km WSW of Coquimbo, Chile10.0 km2015-09-18 02:02:00 UTCView event →
M 4.687 km NW of Valparaíso, Chile16.5 km2015-09-18 03:04:35 UTCView event →
M 4.764 km WNW of Illapel, Chile30.2 km2015-09-18 03:14:54 UTCView event →
M 4.9Near the coast of Coquimbo, Chile36.6 km2015-09-18 03:15:40 UTCView event →
M 4.983 km W of Illapel, Chile10.5 km2015-09-18 03:32:17 UTCView event →
M 4.682 km WSW of Illapel, Chile10.0 km2015-09-18 03:38:11 UTCView event →
M 5.0Off the coast of Coquimbo, Chile5.7 km2015-09-18 04:24:02 UTCView event →
M 4.7Near the coast of Coquimbo, Chile29.0 km2015-09-18 04:29:05 UTCView event →
M 4.568 km W of Illapel, Chile25.5 km2015-09-18 04:34:48 UTCView event →
M 4.539 km WSW of Illapel, Chile16.3 km2015-09-18 04:43:25 UTCView event →
M 4.6107 km W of Illapel, Chile10.0 km2015-09-18 07:49:13 UTCView event →
M 4.562 km W of Ovalle, Chile22.9 km2015-09-18 07:51:00 UTCView event →
M 5.6109 km WNW of La Ligua, Chile6.0 km2015-09-18 08:18:17 UTCView event →
M 6.292 km NW of Valparaíso, Chile8.0 km2015-09-18 09:10:44 UTCView event →
M 4.5112 km WNW of Illapel, Chile10.0 km2015-09-18 09:35:22 UTCView event →
M 4.691 km W of Illapel, Chile10.0 km2015-09-18 10:21:44 UTCView event →
M 4.572 km WNW of La Ligua, Chile11.0 km2015-09-18 12:57:16 UTCView event →
M 5.264 km WNW of Illapel, Chile30.1 km2015-09-18 13:51:17 UTCView event →
M 4.8141 km W of Ovalle, Chile10.0 km2015-09-18 13:53:43 UTCView event →
M 4.578 km SW of Ovalle, Chile35.0 km2015-09-18 14:59:44 UTCView event →
M 4.5170 km W of Coquimbo, Chile10.0 km2015-09-18 17:37:53 UTCView event →
M 4.797 km WNW of Illapel, Chile11.4 km2015-09-18 18:15:29 UTCView event →
M 4.598 km WSW of Illapel, Chile19.6 km2015-09-18 19:18:08 UTCView event →
M 4.695 km W of Illapel, Chile10.0 km2015-09-18 19:25:35 UTCView event →
M 4.787 km W of Illapel, Chile5.6 km2015-09-18 19:39:21 UTCView event →
M 4.960 km WSW of Ovalle, Chile31.0 km2015-09-18 19:41:59 UTCView event →
M 4.5Near the coast of Coquimbo, Chile18.8 km2015-09-18 19:54:46 UTCView event →
M 4.987 km WSW of Coquimbo, Chile10.5 km2015-09-18 22:12:16 UTCView event →
M 4.7130 km WSW of Coquimbo, Chile10.0 km2015-09-18 22:35:21 UTCView event →
M 4.6Near the coast of Coquimbo, Chile19.6 km2015-09-19 01:19:23 UTCView event →
M 4.770 km WNW of Illapel, Chile25.1 km2015-09-19 02:49:40 UTCView event →
M 4.596 km WNW of Illapel, Chile10.3 km2015-09-19 04:12:45 UTCView event →
M 5.0143 km WSW of Coquimbo, Chile10.0 km2015-09-19 04:33:48 UTCView event →
M 4.5135 km WSW of Coquimbo, Chile10.0 km2015-09-19 05:01:42 UTCView event →
M 6.179 km WNW of Coquimbo, Chile6.0 km2015-09-19 05:06:47 UTCView event →
M 4.564 km WNW of Coquimbo, Chile17.9 km2015-09-19 05:12:23 UTCView event →
M 4.537 km WSW of Illapel, Chile43.6 km2015-09-19 05:55:26 UTCView event →
M 5.487 km W of Coquimbo, Chile8.0 km2015-09-19 08:31:24 UTCView event →
M 5.766 km SW of Ovalle, Chile28.0 km2015-09-19 09:07:09 UTCView event →
M 4.593 km WNW of Ovalle, Chile18.0 km2015-09-19 09:24:45 UTCView event →
M 4.6103 km WNW of Illapel, Chile11.3 km2015-09-19 09:41:59 UTCView event →
M 4.6143 km W of Ovalle, Chile7.6 km2015-09-19 09:48:43 UTCView event →
M 4.541 km NNW of La Ligua, Chile35.0 km2015-09-19 10:28:48 UTCView event →
M 4.8135 km WSW of Coquimbo, Chile13.1 km2015-09-19 11:57:20 UTCView event →
M 6.279 km W of La Ligua, Chile18.0 km2015-09-19 12:52:20 UTCView event →
M 4.956 km W of La Ligua, Chile32.2 km2015-09-19 13:01:07 UTCView event →
M 5.696 km W of Ovalle, Chile10.0 km2015-09-19 13:08:57 UTCView event →
M 4.598 km W of Illapel, Chile10.0 km2015-09-19 15:02:16 UTCView event →
M 4.979 km WNW of Illapel, Chile17.6 km2015-09-19 18:13:14 UTCView event →
M 4.589 km W of Ovalle, Chile15.7 km2015-09-19 19:06:12 UTCView event →
M 4.570 km WNW of La Ligua, Chile13.9 km2015-09-19 19:09:03 UTCView event →
M 4.6183 km W of Illapel, Chile10.0 km2015-09-19 20:57:07 UTCView event →
M 4.5126 km W of Ovalle, Chile10.0 km2015-09-19 21:42:07 UTCView event →
M 4.5138 km W of Ovalle, Chile10.0 km2015-09-19 23:14:37 UTCView event →
M 5.037 km SW of Ovalle, Chile45.5 km2015-09-20 03:02:02 UTCView event →
M 5.193 km W of Illapel, Chile13.1 km2015-09-20 06:07:01 UTCView event →
M 4.6155 km WNW of Illapel, Chile10.0 km2015-09-20 06:28:50 UTCView event →
M 4.559 km W of Ovalle, Chile28.7 km2015-09-20 06:55:48 UTCView event →
M 4.655 km W of La Ligua, Chile17.3 km2015-09-20 07:10:37 UTCView event →
M 5.195 km WSW of Coquimbo, Chile8.6 km2015-09-20 09:02:32 UTCView event →
M 4.746 km W of Ovalle, Chile24.9 km2015-09-20 14:31:08 UTCView event →
M 5.046 km W of Ovalle, Chile35.0 km2015-09-20 17:18:28 UTCView event →
M 4.962 km W of Ovalle, Chile35.0 km2015-09-20 20:29:11 UTCView event →
M 6.154 km W of Illapel, Chile30.0 km2015-09-21 05:39:34 UTCView event →
M 4.792 km NW of Valparaíso, Chile10.0 km2015-09-21 05:50:55 UTCView event →
M 4.524 km WSW of Ovalle, Chile36.1 km2015-09-21 07:18:38 UTCView event →
M 4.6138 km WSW of Ovalle, Chile10.0 km2015-09-21 07:20:17 UTCView event →
M 4.6144 km WSW of Ovalle, Chile10.7 km2015-09-21 12:35:48 UTCView event →
M 4.6148 km WSW of Ovalle, Chile10.0 km2015-09-21 12:49:26 UTCView event →
M 5.473 km SW of Ovalle, Chile25.6 km2015-09-21 15:37:08 UTCView event →
M 4.597 km WSW of Ovalle, Chile19.3 km2015-09-21 15:44:55 UTCView event →
M 4.675 km W of Ovalle, Chile15.3 km2015-09-21 16:52:35 UTCView event →
M 6.622 km WSW of Illapel, Chile35.0 km2015-09-21 17:40:00 UTCView event →
M 4.564 km SW of Ovalle, Chile33.0 km2015-09-21 18:08:04 UTCView event →
M 4.7Off the coast of Coquimbo, Chile8.9 km2015-09-21 18:17:45 UTCView event →
M 5.577 km SW of Ovalle, Chile27.0 km2015-09-21 18:36:53 UTCView event →
M 4.746 km WSW of Illapel, Chile37.6 km2015-09-21 18:47:07 UTCView event →
M 5.647 km WSW of Illapel, Chile28.4 km2015-09-21 19:56:08 UTCView event →
M 4.899 km WSW of Illapel, Chile10.0 km2015-09-21 20:24:32 UTCView event →
M 4.5104 km WNW of Coquimbo, Chile10.0 km2015-09-21 20:59:37 UTCView event →
M 4.8110 km WNW of La Ligua, Chile10.0 km2015-09-22 07:03:55 UTCView event →
M 6.022 km NNW of Illapel, Chile58.0 km2015-09-22 07:13:00 UTCView event →
M 4.782 km WSW of Ovalle, Chile20.1 km2015-09-22 20:46:00 UTCView event →
M 4.6156 km WNW of Illapel, Chile10.0 km2015-09-23 02:01:39 UTCView event →
M 4.680 km WNW of Illapel, Chile11.4 km2015-09-23 04:21:27 UTCView event →
M 4.576 km W of Illapel, Chile10.0 km2015-09-23 10:05:49 UTCView event →
M 5.074 km W of Illapel, Chile10.0 km2015-09-23 11:32:40 UTCView event →
M 4.5137 km WSW of Coquimbo, Chile10.0 km2015-09-24 07:56:10 UTCView event →
M 4.744 km W of Illapel, Chile35.0 km2015-09-24 13:35:54 UTCView event →
M 4.7Off the coast of Valparaiso, Chile10.0 km2015-09-24 14:39:43 UTCView event →
M 5.222 km SW of Ovalle, Chile41.0 km2015-09-24 16:13:25 UTCView event →
M 4.536 km WSW of Ovalle, Chile40.1 km2015-09-24 16:25:24 UTCView event →
M 4.590 km W of Illapel, Chile6.6 km2015-09-24 17:21:26 UTCView event →
M 4.551 km SW of Ovalle, Chile38.8 km2015-09-24 18:20:30 UTCView event →
M 4.587 km W of Ovalle, Chile12.8 km2015-09-24 22:36:16 UTCView event →
M 4.771 km W of Illapel, Chile11.6 km2015-09-25 11:47:06 UTCView event →
M 4.785 km W of Ovalle, Chile11.1 km2015-09-25 20:30:58 UTCView event →
M 6.326 km SSW of Ovalle, Chile46.0 km2015-09-26 02:51:18 UTCView event →
M 5.038 km WSW of Ovalle, Chile29.0 km2015-09-26 03:03:20 UTCView event →
M 4.576 km W of Ovalle, Chile18.9 km2015-09-26 07:55:32 UTCView event →
M 4.587 km WSW of Illapel, Chile24.4 km2015-09-26 11:15:29 UTCView event →
M 4.526 km SW of Ovalle, Chile34.4 km2015-09-27 16:25:58 UTCView event →
M 5.450 km W of Illapel, Chile36.9 km2015-09-27 21:04:45 UTCView event →
M 4.674 km NW of Illapel, Chile23.6 km2015-09-27 22:39:58 UTCView event →
M 4.8109 km W of Illapel, Chile10.9 km2015-09-28 06:05:43 UTCView event →
M 4.556 km W of Illapel, Chile13.9 km2015-09-28 08:29:13 UTCView event →
M 4.6Off the coast of Valparaiso, Chile14.8 km2015-09-29 13:42:44 UTCView event →
M 4.646 km W of Ovalle, Chile27.4 km2015-09-30 02:00:04 UTCView event →
M 4.729 km WSW of Ovalle, Chile38.3 km2015-10-01 02:06:22 UTCView event →
M 4.667 km WSW of Coquimbo, Chile14.3 km2015-10-01 02:25:54 UTCView event →

Interpretation

Explore clusters of M4.5+ events observed around significant earthquakes. These clusters are descriptive and are not presented as earthquake predictions. Historical small-earthquake detection varies through time. Long-term comparisons are most robust at higher magnitude thresholds.

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