Quake Pulse logoQuake Pulse
Sequence · 2008-04-12

M 7.1 · Observed seismic cluster · Macquarie Island region

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 radius356 km
Observation window14 days
Largest secondary eventM 5.1
Quake Pulse

Sequence timeline

Within first 24 hours8
Within first 7 days13
Observed duration13.8 d
Gap from reference eventM 2.0
0 h13.8 d
Quake Pulse

Main-event impact

Shallow

47/100
Impact and context →

M4.5+ events in cluster

MagnitudeLocationDepthTime
M 7.1Macquarie Island region16.0 km2008-04-12 00:30:12 UTCView event →
M 4.6Macquarie Island region10.0 km2008-04-12 01:00:59 UTCView event →
M 4.8Macquarie Island region10.0 km2008-04-12 03:00:31 UTCView event →
M 4.5Macquarie Island region10.0 km2008-04-12 06:09:45 UTCView event →
M 5.1Macquarie Island region10.0 km2008-04-12 07:03:51 UTCView event →
M 5.1Macquarie Island region10.0 km2008-04-12 11:56:05 UTCView event →
M 4.5Macquarie Island region10.0 km2008-04-12 15:25:40 UTCView event →
M 4.9Macquarie Island region10.0 km2008-04-12 18:02:04 UTCView event →
M 4.5Macquarie Island region10.0 km2008-04-13 02:06:15 UTCView event →
M 4.6Macquarie Island region10.0 km2008-04-13 15:53:18 UTCView event →
M 4.7Macquarie Island region10.0 km2008-04-15 18:49:48 UTCView event →
M 4.8Macquarie Island region10.0 km2008-04-17 14:13:04 UTCView event →
M 5.1Macquarie Island region10.0 km2008-04-17 19:09:00 UTCView event →
M 4.7Macquarie Island region10.0 km2008-04-23 02:03:09 UTCView event →
M 4.9Macquarie Island region18.3 km2008-04-25 20:50:21 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 →