M 7.2 - 71 km SSW of Port-Vila, Vanuatu
August 20, 2011 at 16:55:02 UTC
Depth: 32.00 km (Shallow)
Key Takeaway
This major earthquake (M7.2) occurred 14 years ago near 71 km SSW of Port-Vila, Vanuatu, at a depth of 32.00 km (shallow). It was felt by 25 people.
Major
PAGER Alert
Tsunami
Felt Reports
Event Details
| Magnitude | 7.2 mww |
| Depth | 32.00 km (Shallow) |
| Location | -18.3650S, 168.1430E |
| Community Intensity | VII (Very Strong) |
| Mercalli Intensity | V (Moderate) |
| Felt Reports (DYFI) | 25 people |
| Tsunami Warning | No |
| Significance | 817 / 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 7.2, classified as "Major". Major earthquakes can cause serious damage over large areas.
How deep was this earthquake?
This earthquake occurred at a depth of 32.00 km, classified as "Shallow". Shallow earthquakes tend to cause more damage at the surface because the energy has less distance to travel before reaching buildings and infrastructure.
Where exactly did this earthquake occur?
This earthquake occurred near 71 km SSW of Port-Vila, Vanuatu, at coordinates -18.3650S, 168.1430E. 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 7.2 earthquake is classified as "Major" — these can cause serious damage to buildings and infrastructure across a wide area, especially near the epicenter.
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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.