Sequence · 2001-01-09

M 7.1 · Observed seismic cluster · 16 km NE of Port-Olry, 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 cluster6
M6+1
Analysis radius356 km
Observation window14 days
Largest secondary eventM 5.2
Quake Pulse

Sequence timeline

Within first 24 hours3
Within first 7 days6
Observed duration6.4 d
Gap from reference eventM 1.9
0 h6.4 d
Quake Pulse

Main-event impact

Intermediate

54/100
Impact and context →

M4.5+ events in cluster

MagnitudeLocationDepthTime
M 7.116 km NE of Port-Olry, Vanuatu103.0 km2001-01-09 16:49:28 UTCView event →
M 5.2118 km ENE of Luganville, Vanuatu33.0 km2001-01-10 07:58:18 UTCView event →
M 4.795 km WNW of Sola, Vanuatu33.0 km2001-01-10 09:46:55 UTCView event →
M 4.6167 km SSE of Lata, Solomon Islands33.0 km2001-01-14 23:21:12 UTCView event →
M 4.926 km N of Norsup, Vanuatu33.0 km2001-01-15 20:36:39 UTCView event →
M 4.665 km E of Port-Olry, Vanuatu33.0 km2001-01-16 02:30:08 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.

Blog

Latest from the blog

Guides, explainers and practical reading to go beyond the live data.

View all articles →