Sequence · 2015-11-18M 6.8 · Observed seismic cluster · 153 km WSW of Buala, 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 5.1
Quake Pulse
Sequence timeline
Within first 24 hours3
Within first 7 days4
Observed duration3.4 d
Gap from reference eventM 1.7
0 h3.4 d
Quake PulseMain-event impact
6 Felt reports · PAGER GREEN · Tsunami indicator · Shallow
63/100
Impact and context →| Magnitude | Location | Depth | Time | |
|---|
| M 6.8 | 153 km WSW of Buala, Solomon Islands | 12.6 km | 2015-11-18 18:31:04 UTC | View event → |
| M 5.1 | 150 km WNW of Malango, Solomon Islands | 10.0 km | 2015-11-18 18:53:55 UTC | View event → |
| M 4.5 | 147 km WNW of Malango, Solomon Islands | 10.0 km | 2015-11-18 19:31:58 UTC | View event → |
| M 4.9 | 130 km SE of Gizo, Solomon Islands | 28.9 km | 2015-11-22 02:57:53 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.