Sequence · 2006-08-07

M 6.8 · Observed seismic cluster · 51 km NE of Norsup, Vanuatu

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 radius308 km
Observation window14 days
Largest secondary eventM 5.2
Quake Pulse

Sequence timeline

Within first 24 hours4
Within first 7 days7
Observed duration5.4 d
Gap from reference eventM 1.6
0 h5.4 d
Quake Pulse

Main-event impact

3 Felt reports · Intermediate

51/100
Impact and context →

M4.5+ events in cluster

MagnitudeLocationDepthTime
M 6.851 km NE of Norsup, Vanuatu150.0 km2006-08-07 22:18:55 UTCView event →
M 4.769 km NNW of Port-Vila, Vanuatu223.5 km2006-08-08 13:31:11 UTCView event →
M 5.2126 km WSW of Luganville, Vanuatu11.1 km2006-08-08 20:11:33 UTCView event →
M 5.099 km SW of Port-Vila, Vanuatu34.6 km2006-08-08 21:17:00 UTCView event →
M 4.5134 km W of Sola, Vanuatu55.0 km2006-08-09 00:48:47 UTCView event →
M 4.7111 km NW of Port-Olry, Vanuatu35.0 km2006-08-12 01:46:30 UTCView event →
M 4.5Vanuatu209.4 km2006-08-13 08:39:20 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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