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Sequence · 2012-08-27

M 7.3 · Observed seismic cluster · 126 km S of Puerto El Triunfo, El Salvador

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 cluster32
M6+1
Analysis radius388 km
Observation window14 days
Largest secondary eventM 5.5
Quake Pulse

Sequence timeline

Within first 24 hours21
Within first 7 days27
Observed duration13.8 d
Gap from reference eventM 1.8
0 h13.8 d
Quake Pulse

Main-event impact

334 Felt reports · Shallow

64/100
Impact and context →

M4.5+ events in cluster

MagnitudeLocationDepthTime
M 7.3126 km S of Puerto El Triunfo, El Salvador28.0 km2012-08-27 04:37:19 UTCView event →
M 5.157 km SSW of Jucuarán, El Salvador35.0 km2012-08-27 04:39:27 UTCView event →
M 4.5102 km SSW of Puerto El Triunfo, El Salvador35.0 km2012-08-27 04:44:45 UTCView event →
M 4.880 km SSW of Puerto El Triunfo, El Salvador35.0 km2012-08-27 04:53:54 UTCView event →
M 4.5113 km S of Puerto El Triunfo, El Salvador35.0 km2012-08-27 05:01:33 UTCView event →
M 5.5109 km S of Puerto El Triunfo, El Salvador35.0 km2012-08-27 05:38:04 UTCView event →
M 4.7128 km SSW of Chirilagua, El Salvador35.0 km2012-08-27 07:47:15 UTCView event →
M 4.7114 km SSW of Puerto El Triunfo, El Salvador35.0 km2012-08-27 08:05:56 UTCView event →
M 4.588 km SSW of Puerto El Triunfo, El Salvador35.0 km2012-08-27 08:14:52 UTCView event →
M 4.6107 km S of Puerto El Triunfo, El Salvador35.0 km2012-08-27 08:16:19 UTCView event →
M 5.1110 km SW of Jiquilillo, Nicaragua54.0 km2012-08-27 09:05:03 UTCView event →
M 4.6127 km S of Puerto El Triunfo, El Salvador42.7 km2012-08-27 10:59:42 UTCView event →
M 4.598 km SSW of Chirilagua, El Salvador41.9 km2012-08-27 12:55:18 UTCView event →
M 4.5131 km S of Puerto El Triunfo, El Salvador35.0 km2012-08-27 13:46:15 UTCView event →
M 4.6103 km SSW of Puerto El Triunfo, El Salvador35.0 km2012-08-27 14:36:36 UTCView event →
M 4.660 km SW of Jiquilillo, Nicaragua20.3 km2012-08-27 17:17:34 UTCView event →
M 4.570 km S of La Libertad, El Salvador35.0 km2012-08-27 18:27:20 UTCView event →
M 4.8144 km S of Puerto El Triunfo, El Salvador35.0 km2012-08-27 21:13:28 UTCView event →
M 4.899 km S of Puerto El Triunfo, El Salvador35.0 km2012-08-27 22:07:39 UTCView event →
M 4.581 km SSW of Puerto El Triunfo, El Salvador35.0 km2012-08-27 23:05:49 UTCView event →
M 4.6104 km SSW of Puerto El Triunfo, El Salvador35.0 km2012-08-28 01:11:31 UTCView event →
M 5.5off the coast of Central America35.0 km2012-08-28 06:08:16 UTCView event →
M 5.3145 km S of Puerto El Triunfo, El Salvador35.0 km2012-08-28 08:53:36 UTCView event →
M 4.657 km S of Puerto El Triunfo, El Salvador35.0 km2012-08-28 22:02:48 UTCView event →
M 4.551 km W of Masachapa, Nicaragua53.2 km2012-08-29 23:18:02 UTCView event →
M 4.5143 km SW of Jiquilillo, Nicaragua40.0 km2012-09-01 01:56:30 UTCView event →
M 4.681 km SSW of Puerto El Triunfo, El Salvador35.0 km2012-09-01 11:55:30 UTCView event →
M 4.9100 km S of Puerto El Triunfo, El Salvador35.0 km2012-09-06 06:47:34 UTCView event →
M 4.896 km SSW of Intipucá, El Salvador61.6 km2012-09-06 23:30:03 UTCView event →
M 4.787 km S of Puerto El Triunfo, El Salvador57.8 km2012-09-07 19:12:25 UTCView event →
M 4.53 km WSW of Belén, Costa Rica34.2 km2012-09-08 09:50:22 UTCView event →
M 4.690 km S of Puerto El Triunfo, El Salvador73.6 km2012-09-09 22:57:59 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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