Sequence · 2017-07-20

M 6.6 · Observed seismic cluster · 11 km ENE of Kos, Greece

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 cluster7
M6+1
Analysis radius276 km
Observation window14 days
Largest secondary eventM 5.0
Quake Pulse

Sequence timeline

Within first 24 hours5
Within first 7 days7
Observed duration1.8 d
Gap from reference eventM 1.6
0 h1.8 d
Quake Pulse

Main-event impact

564 Felt reports · PAGER YELLOW · Shallow

66/100
Impact and context →

M4.5+ events in cluster

MagnitudeLocationDepthTime
M 6.611 km ENE of Kos, Greece7.0 km2017-07-20 22:31:11 UTCView event →
M 4.76 km NNW of Kos, Greece10.0 km2017-07-20 23:23:51 UTCView event →
M 4.616 km NW of Datça, Turkey10.0 km2017-07-21 01:38:49 UTCView event →
M 4.711 km SSE of Kos, Greece10.0 km2017-07-21 02:12:35 UTCView event →
M 5.02 km NE of Kos, Greece10.0 km2017-07-21 17:09:45 UTCView event →
M 4.78 km NNE of Kos, Greece10.0 km2017-07-22 17:09:21 UTCView event →
M 4.623 km SW of Kéfalos, Greece140.8 km2017-07-22 17:25:45 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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