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Sequence · 2017-11-12

M 7.3 · Observed seismic cluster · 29 km S of ?alabja, Iraq

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 cluster22
M6+1
Analysis radius388 km
Observation window14 days
Largest secondary eventM 5.3
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Sequence timeline

Within first 24 hours14
Within first 7 days18
Observed duration13.5 d
Gap from reference eventM 2.0
0 h13.5 d
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Main-event impact

1,523 Felt reports · PAGER RED · Shallow

97/100
Impact and context →

M4.5+ events in cluster

MagnitudeLocationDepthTime
M 7.329 km S of ?alabja, Iraq19.0 km2017-11-12 18:18:17 UTCView event →
M 5.346 km SW of ?alabja, Iraq10.0 km2017-11-12 18:29:52 UTCView event →
M 4.55 km WNW of Sarpol-e Z?ah?b, Iran10.0 km2017-11-12 21:33:21 UTCView event →
M 4.611 km NW of Sarpol-e Z?ah?b, Iran10.0 km2017-11-12 22:30:59 UTCView event →
M 4.79 km N of Sarpol-e Z?ah?b, Iran10.0 km2017-11-13 00:20:51 UTCView event →
M 4.98 km WSW of Sarpol-e Z?ah?b, Iran10.0 km2017-11-13 04:27:55 UTCView event →
M 4.59 km SW of Sarpol-e Z?ah?b, Iran9.8 km2017-11-13 04:36:12 UTCView event →
M 4.629 km WNW of Sarpol-e Z?ah?b, Iran10.5 km2017-11-13 08:28:51 UTCView event →
M 4.915 km SW of Sarpol-e Z?ah?b, Iran10.0 km2017-11-13 09:19:28 UTCView event →
M 4.842 km NNW of ?l?m, Iran10.0 km2017-11-13 10:43:54 UTCView event →
M 4.720 km SSW of Sarpol-e Z?ah?b, Iran10.0 km2017-11-13 13:12:36 UTCView event →
M 4.533 km SSW of ?alabja, Iraq10.0 km2017-11-13 14:01:48 UTCView event →
M 4.730 km WSW of Sarpol-e Z?ah?b, Iran10.0 km2017-11-13 15:00:44 UTCView event →
M 4.620 km NE of K?hdasht, Iran10.0 km2017-11-13 15:33:04 UTCView event →
M 4.55 km WSW of Sarpol-e Z?ah?b, Iran10.0 km2017-11-14 01:08:46 UTCView event →
M 4.522 km N of K?hdasht, Iran10.0 km2017-11-14 04:28:15 UTCView event →
M 4.532 km WNW of Sarpol-e Z?ah?b, Iran10.0 km2017-11-17 14:02:51 UTCView event →
M 4.718 km W of Sarpol-e Z?ah?b, Iran10.0 km2017-11-18 04:12:14 UTCView event →
M 5.136 km SE of Mehr?n, Iran35.0 km2017-11-20 15:23:42 UTCView event →
M 4.523 km N of Sarpol-e Z?ah?b, Iran10.0 km2017-11-20 15:35:57 UTCView event →
M 4.922 km NNW of Sarpol-e Z?ah?b, Iran11.2 km2017-11-20 15:36:53 UTCView event →
M 4.66 km WNW of Sarpol-e Z?ah?b, Iran10.0 km2017-11-26 05:47:30 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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