M 5.9 - 9 km WSW of Seferihisar, Turkey
October 20, 2005 at 21:40:04 UTC
Depth: 10.00 km (Shallow)
Key Takeaway
This moderate earthquake (M5.9) occurred 20 years ago near 9 km WSW of Seferihisar, Turkey, at a depth of 10.00 km (shallow). It was felt by 56 people.
Moderate
PAGER Alert
Tsunami
Felt Reports
Event Details
| Magnitude | 5.9 mwb |
| Depth | 10.00 km (Shallow) |
| Location | 38.1520N, 26.7510E |
| Community Intensity | VII (Very Strong) |
| Mercalli Intensity | VI (Strong) |
| Felt Reports (DYFI) | 56 people |
| Tsunami Warning | No |
| Significance | 575 / 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 5.9, classified as "Moderate". Moderate earthquakes can cause damage to poorly constructed buildings.
How deep was this earthquake?
This earthquake occurred at a depth of 10.00 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 9 km WSW of Seferihisar, Turkey, at coordinates 38.1520N, 26.7510E. 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 5.9 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.