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Sequence · 2006-07-08

M 6.6 · Observed seismic cluster · 199 km WSW of Adak, Alaska

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 cluster25
M6+1
Analysis radius276 km
Observation window14 days
Largest secondary eventM 5.4
Quake Pulse

Sequence timeline

Within first 24 hours22
Within first 7 days25
Observed duration2.3 d
Gap from reference eventM 1.2
0 h2.3 d
Quake Pulse

Main-event impact

Shallow

39/100
Impact and context →

M4.5+ events in cluster

MagnitudeLocationDepthTime
M 6.6199 km WSW of Adak, Alaska22.0 km2006-07-08 20:40:00 UTCView event →
M 5.3Andreanof Islands, Aleutian Islands, Alaska35.0 km2006-07-08 20:41:53 UTCView event →
M 5.2189 km WSW of Adak, Alaska22.9 km2006-07-08 20:45:21 UTCView event →
M 4.8200 km WSW of Adak, Alaska11.3 km2006-07-08 20:48:08 UTCView event →
M 4.8Andreanof Islands, Aleutian Islands, Alaska35.0 km2006-07-08 20:48:44 UTCView event →
M 5.3Andreanof Islands, Aleutian Islands, Alaska4.8 km2006-07-08 20:50:16 UTCView event →
M 5.3190 km WSW of Adak, Alaska5.0 km2006-07-08 20:57:06 UTCView event →
M 4.7199 km WSW of Adak, Alaska19.5 km2006-07-08 21:13:02 UTCView event →
M 4.5201 km WSW of Adak, Alaska11.1 km2006-07-08 21:15:04 UTCView event →
M 4.6Andreanof Islands, Aleutian Islands, Alaska17.3 km2006-07-08 21:33:43 UTCView event →
M 4.6195 km WSW of Adak, Alaska19.9 km2006-07-08 21:35:37 UTCView event →
M 4.8203 km WSW of Adak, Alaska4.4 km2006-07-08 21:47:30 UTCView event →
M 4.8210 km WSW of Adak, Alaska5.9 km2006-07-08 23:00:40 UTCView event →
M 5.3194 km WSW of Adak, Alaska47.9 km2006-07-09 00:58:21 UTCView event →
M 5.4198 km WSW of Adak, Alaska19.6 km2006-07-09 04:16:20 UTCView event →
M 4.5190 km WSW of Adak, Alaska14.5 km2006-07-09 05:42:01 UTCView event →
M 4.7193 km WSW of Adak, Alaska2.6 km2006-07-09 05:44:33 UTCView event →
M 5.4205 km WSW of Adak, Alaska4.7 km2006-07-09 05:46:46 UTCView event →
M 5.0192 km WSW of Adak, Alaska5.9 km2006-07-09 06:17:51 UTCView event →
M 5.2192 km WSW of Adak, Alaska45.8 km2006-07-09 06:18:14 UTCView event →
M 4.8189 km WSW of Adak, Alaska46.8 km2006-07-09 09:18:36 UTCView event →
M 4.8195 km WSW of Adak, Alaska14.6 km2006-07-09 20:02:16 UTCView event →
M 4.8185 km WSW of Adak, Alaska49.9 km2006-07-10 18:20:15 UTCView event →
M 4.8187 km WSW of Adak, Alaska44.9 km2006-07-10 22:50:14 UTCView event →
M 5.0188 km WSW of Adak, Alaska53.6 km2006-07-11 04:04:22 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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