M 5.0 - 20 km NNE of Basse-Pointe, Martinique
September 9, 2011 at 10:11:22 UTC
Depth: 149.50 km (Intermediate)
Key Takeaway
This moderate earthquake (M5.0) occurred 14 years ago near 20 km NNE of Basse-Pointe, Martinique, at a depth of 149.50 km (intermediate). It was felt by 12 people.
Moderate
PAGER Alert
Tsunami
Felt Reports
Event Details
| Magnitude | 5.0 mb |
| Depth | 149.50 km (Intermediate) |
| Location | 15.0430N, 61.0500W |
| Community Intensity | II (Weak) |
| Felt Reports (DYFI) | 12 people |
| Tsunami Warning | No |
| Significance | 387 / 3000 |
| Status | Reviewed |
| Network | us |
| USGS Event Page | View on USGS → |
Frequently Asked Questions
What was the magnitude of this earthquake?
This earthquake had a magnitude of 5, classified as "Moderate". Moderate earthquakes can cause damage to poorly constructed buildings.
How deep was this earthquake?
This earthquake occurred at a depth of 149.50 km, classified as "Intermediate". Intermediate-depth earthquakes are felt over a wider area but typically cause less surface damage than shallow events of the same magnitude.
Where exactly did this earthquake occur?
This earthquake occurred near 20 km NNE of Basse-Pointe, Martinique, at coordinates 15.0430N, 61.0500W. The location is determined by analyzing seismic wave arrival times at multiple monitoring stations.
Were there aftershocks associated with this event?
Aftershock data for this specific event can be explored by viewing nearby recent earthquakes listed below on this page. Aftershocks are smaller earthquakes that occur in the same area following a larger event, and they can continue for days, weeks, or even months depending on the original earthquake's magnitude.
What does the magnitude of this earthquake mean in practical terms?
A magnitude 5 earthquake is classified as "Moderate" — these are widely felt and can cause damage to vulnerable structures, though well-built buildings typically withstand them.
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Data from the USGS Earthquake Hazards Program (ComCat). QuakeScan is not affiliated with the USGS. Event details may be updated as new data becomes available.