Sequence · 2011-04-23M 6.8 · Observed seismic cluster · 79 km W of Kirakira, Solomon Islands
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 cluster4
M6+1
Analysis radius308 km
Observation window14 days
Largest secondary eventM 5.7
Quake Pulse
Sequence timeline
Within first 24 hours1
Within first 7 days3
Observed duration9.5 d
Gap from reference eventM 1.1
0 h9.5 d
| Magnitude | Location | Depth | Time | |
|---|
| M 6.8 | 79 km W of Kirakira, Solomon Islands | 79.0 km | 2011-04-23 04:16:54 UTC | View event → |
| M 4.9 | 76 km SE of Honiara, Solomon Islands | 32.3 km | 2011-04-26 22:20:28 UTC | View event → |
| M 5.7 | 84 km SE of Honiara, Solomon Islands | 11.0 km | 2011-04-28 07:42:34 UTC | View event → |
| M 5.0 | 87 km SE of Honiara, Solomon Islands | 17.9 km | 2011-05-02 16:41:46 UTC | View 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.