Sequence · 2013-06-15

M 6.5 · Observed seismic cluster · 44 km W of Masachapa, Nicaragua

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 cluster8
M6+1
Analysis radius260 km
Observation window14 days
Largest secondary eventM 5.4
Quake Pulse

Sequence timeline

Within first 24 hours6
Within first 7 days7
Observed duration8.1 d
Gap from reference eventM 1.1
0 h8.1 d
Quake Pulse

Main-event impact

54 Felt reports · PAGER GREEN · Tsunami indicator · Shallow

61/100
Impact and context →

M4.5+ events in cluster

MagnitudeLocationDepthTime
M 6.544 km W of Masachapa, Nicaragua30.0 km2013-06-15 17:34:27 UTCView event →
M 4.849 km W of Masachapa, Nicaragua35.0 km2013-06-15 17:59:03 UTCView event →
M 4.965 km W of Masachapa, Nicaragua35.0 km2013-06-15 17:59:32 UTCView event →
M 5.049 km W of Masachapa, Nicaragua40.6 km2013-06-15 18:10:42 UTCView event →
M 4.558 km W of Masachapa, Nicaragua35.0 km2013-06-15 18:50:09 UTCView event →
M 4.658 km WSW of Corinto, Nicaragua35.0 km2013-06-16 01:04:01 UTCView event →
M 5.054 km W of Masachapa, Nicaragua35.0 km2013-06-17 15:12:54 UTCView event →
M 5.43 km W of Nicoya, Costa Rica31.6 km2013-06-23 20:00:37 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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