Sequence · 2010-10-21

M 6.7 · Observed seismic cluster · 97 km SSW of El Huitusi, Mexico

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 cluster6
M6+1
Analysis radius292 km
Observation window14 days
Largest secondary eventM 5.6
Quake Pulse

Sequence timeline

Within first 24 hours2
Within first 7 days6
Observed duration6.4 d
Gap from reference eventM 1.1
0 h6.4 d
Quake Pulse

Main-event impact

171 Felt reports · Shallow

56/100
Impact and context →

M4.5+ events in cluster

MagnitudeLocationDepthTime
M 6.797 km SSW of El Huitusi, Mexico13.0 km2010-10-21 17:53:13 UTCView event →
M 5.396 km SSW of Topolobampo, Mexico10.0 km2010-10-21 17:59:00 UTCView event →
M 5.1110 km SSW of El Huitusi, Mexico10.0 km2010-10-25 10:06:14 UTCView event →
M 4.6107 km NNE of Los Barriles, Mexico10.0 km2010-10-25 10:08:00 UTCView event →
M 5.0133 km E of La Playa, Mexico10.0 km2010-10-27 12:49:37 UTCView event →
M 5.6124 km E of La Playa, Mexico10.0 km2010-10-28 02:22:25 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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