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Sequence · 2005-11-19

M 6.5 · Observed seismic cluster · 57 km SE of Sinabang, Indonesia

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 cluster12
M6+1
Analysis radius260 km
Observation window14 days
Largest secondary eventM 5.6
Quake Pulse

Sequence timeline

Within first 24 hours2
Within first 7 days7
Observed duration12.6 d
Gap from reference eventM 0.9
0 h12.6 d
Quake Pulse

Main-event impact

4 Felt reports · Shallow

47/100
Impact and context →

M4.5+ events in cluster

MagnitudeLocationDepthTime
M 6.557 km SE of Sinabang, Indonesia21.0 km2005-11-19 14:10:13 UTCView event →
M 4.658 km SE of Sinabang, Indonesia30.0 km2005-11-19 17:22:17 UTCView event →
M 4.574 km SSE of Sinabang, Indonesia30.0 km2005-11-21 20:02:55 UTCView event →
M 4.8126 km SSW of Sibolga, Indonesia30.0 km2005-11-22 08:34:43 UTCView event →
M 5.0196 km SSW of Singkil, Indonesia27.8 km2005-11-22 14:04:39 UTCView event →
M 4.6143 km SSW of Singkil, Indonesia30.0 km2005-11-24 00:10:11 UTCView event →
M 4.5149 km SSW of Singkil, Indonesia30.0 km2005-11-25 03:06:04 UTCView event →
M 4.871 km SSE of Sinabang, Indonesia30.0 km2005-11-27 08:18:50 UTCView event →
M 5.6137 km SSW of Singkil, Indonesia24.4 km2005-11-27 23:31:37 UTCView event →
M 5.2140 km SSW of Singkil, Indonesia30.0 km2005-11-28 00:16:47 UTCView event →
M 4.9133 km SW of Singkil, Indonesia30.0 km2005-11-29 09:12:05 UTCView event →
M 4.647 km WSW of Sinabang, Indonesia30.0 km2005-12-02 04:43:58 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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