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Sequence · 2002-10-23

M 6.6 · Observed seismic cluster · 53 km ENE of Cantwell, 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 cluster46
M6+2
Analysis radius276 km
Observation window14 days
Largest secondary eventM 7.9
Quake Pulse

Sequence timeline

Within first 24 hours1
Within first 7 days2
Observed duration13.5 d
Gap from reference eventM 0.0
0 h13.5 d
Quake Pulse

Main-event impact

Shallow

46/100
Impact and context →

M4.5+ events in cluster

MagnitudeLocationDepthTime
M 6.653 km ENE of Cantwell, Alaska4.2 km2002-10-23 11:27:19 UTCView event →
M 4.618 km SW of Petersville, Alaska73.0 km2002-10-29 08:12:33 UTCView event →
M 7.92002 Denali Fault, Alaska Earthquake4.2 km2002-11-03 22:12:41 UTCView event →
M 4.765 km E of Cantwell, Alaska22.4 km2002-11-03 22:18:10 UTCView event →
M 5.057 km E of Cantwell, Alaska0.0 km2002-11-03 22:18:45 UTCView event →
M 4.674 km E of Cantwell, Alaska7.0 km2002-11-03 22:24:43 UTCView event →
M 5.445 km WNW of Mentasta Lake, Alaska0.4 km2002-11-03 22:30:49 UTCView event →
M 5.623 km NNW of Paxson, Alaska20.4 km2002-11-03 22:31:57 UTCView event →
M 5.623 km N of Paxson, Alaska0.9 km2002-11-03 22:32:17 UTCView event →
M 5.419 km NNE of Paxson, Alaska1.0 km2002-11-03 22:33:34 UTCView event →
M 4.837 km S of Dry Creek, Alaska5.0 km2002-11-03 22:37:40 UTCView event →
M 4.819 km N of Paxson, Alaska1.0 km2002-11-03 22:37:56 UTCView event →
M 4.972 km E of Cantwell, Alaska11.0 km2002-11-03 22:40:11 UTCView event →
M 5.232 km SW of Dry Creek, Alaska5.2 km2002-11-03 22:50:44 UTCView event →
M 4.956 km ENE of Cantwell, Alaska5.0 km2002-11-03 22:52:06 UTCView event →
M 4.914 km N of Paxson, Alaska0.6 km2002-11-03 22:54:21 UTCView event →
M 4.927 km SW of Dry Creek, Alaska5.0 km2002-11-03 22:54:44 UTCView event →
M 4.525 km N of Paxson, Alaska5.2 km2002-11-03 22:56:01 UTCView event →
M 4.526 km NNE of Paxson, Alaska5.0 km2002-11-03 22:56:50 UTCView event →
M 4.913 km SSE of Mentasta Lake, Alaska2.5 km2002-11-03 23:03:09 UTCView event →
M 4.779 km ESE of McKinley Park, Alaska2.7 km2002-11-03 23:05:29 UTCView event →
M 4.725 km NE of Paxson, Alaska0.9 km2002-11-03 23:10:58 UTCView event →
M 5.13 km ENE of Mentasta Lake, Alaska5.0 km2002-11-03 23:11:49 UTCView event →
M 4.521 km N of Paxson, Alaska0.8 km2002-11-03 23:17:34 UTCView event →
M 4.778 km ESE of McKinley Park, Alaska5.6 km2002-11-03 23:19:57 UTCView event →
M 4.626 km WNW of Mentasta Lake, Alaska0.1 km2002-11-03 23:30:20 UTCView event →
M 4.575 km ESE of McKinley Park, Alaska6.6 km2002-11-03 23:36:20 UTCView event →
M 4.943 km ENE of Paxson, Alaska1.9 km2002-11-03 23:48:49 UTCView event →
M 4.5Central Alaska-0.1 km2002-11-04 00:01:55 UTCView event →
M 4.630 km NNW of Nabesna, Alaska0.7 km2002-11-04 00:23:08 UTCView event →
M 4.821 km ENE of Paxson, Alaska6.1 km2002-11-04 00:25:01 UTCView event →
M 5.436 km NE of Paxson, Alaska1.3 km2002-11-04 00:50:43 UTCView event →
M 5.241 km ENE of Paxson, Alaska1.0 km2002-11-04 01:38:58 UTCView event →
M 4.776 km ESE of McKinley Park, Alaska5.3 km2002-11-04 01:53:38 UTCView event →
M 5.178 km ESE of McKinley Park, Alaska4.9 km2002-11-04 02:08:05 UTCView event →
M 5.144 km ENE of Paxson, Alaska5.0 km2002-11-04 02:08:26 UTCView event →
M 5.016 km WNW of Mentasta Lake, Alaska-0.2 km2002-11-04 04:32:35 UTCView event →
M 4.546 km ENE of Paxson, Alaska-0.4 km2002-11-04 06:50:18 UTCView event →
M 4.748 km E of Paxson, Alaska0.6 km2002-11-04 08:44:58 UTCView event →
M 4.549 km WNW of Mentasta Lake, Alaska3.6 km2002-11-04 09:23:14 UTCView event →
M 4.533 km NNW of Nabesna, Alaska1.0 km2002-11-04 09:34:27 UTCView event →
M 4.741 km WNW of Mentasta Lake, Alaska5.5 km2002-11-04 21:52:49 UTCView event →
M 4.815 km SE of Mentasta Lake, Alaska8.1 km2002-11-05 01:33:30 UTCView event →
M 4.9Central Alaska5.0 km2002-11-05 07:50:48 UTCView event →
M 5.028 km NE of Paxson, Alaska10.8 km2002-11-05 17:22:43 UTCView event →
M 4.618 km N of Mentasta Lake, Alaska1.0 km2002-11-05 23:14:02 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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