Sequence · 2015-11-17

M 6.5 · Observed seismic cluster · 19 km SSW of Lefkáda, 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 cluster15
M6+1
Analysis radius260 km
Observation window14 days
Largest secondary eventM 5.1
Quake Pulse

Sequence timeline

Within first 24 hours5
Within first 7 days14
Observed duration7.1 d
Gap from reference eventM 1.4
0 h7.1 d
Quake Pulse

Main-event impact

25 Felt reports · PAGER ORANGE · Shallow

67/100
Impact and context →

M4.5+ events in cluster

MagnitudeLocationDepthTime
M 6.519 km SSW of Lefkáda, Greece11.0 km2015-11-17 07:10:07 UTCView event →
M 5.123 km SSW of Lefkáda, Greece9.0 km2015-11-17 08:33:40 UTCView event →
M 4.716 km SSW of Lefkáda, Greece10.0 km2015-11-17 11:57:25 UTCView event →
M 4.822 km SW of Lefkáda, Greece10.0 km2015-11-17 12:37:55 UTCView event →
M 4.738 km NW of Itháki, Greece10.0 km2015-11-18 05:18:15 UTCView event →
M 5.013 km W of Lefkáda, Greece10.0 km2015-11-18 12:15:37 UTCView event →
M 4.913 km SSW of Lefkáda, Greece8.0 km2015-11-18 13:03:14 UTCView event →
M 4.614 km SW of Lefkáda, Greece5.1 km2015-11-18 18:30:07 UTCView event →
M 4.513 km SSW of Lefkáda, Greece10.0 km2015-11-19 02:47:08 UTCView event →
M 4.511 km WSW of Lefkáda, Greece10.2 km2015-11-20 03:01:53 UTCView event →
M 4.823 km WNW of Itháki, Greece12.0 km2015-11-20 05:12:24 UTCView event →
M 4.724 km SSW of Lefkáda, Greece11.0 km2015-11-20 09:33:14 UTCView event →
M 4.721 km WSW of Lefkáda, Greece10.0 km2015-11-20 23:37:05 UTCView event →
M 4.7Greece10.0 km2015-11-21 00:41:57 UTCView event →
M 4.814 km SW of Lefkáda, Greece12.0 km2015-11-24 09:39:05 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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