M 7.3 - 50 km SW of Dongning, China
June 28, 2002 at 17:19:30 UTC
Depth: 566.00 km (Deep)
Key Takeaway
This major earthquake (M7.3) occurred 23 years ago near 50 km SW of Dongning, China, at a depth of 566.00 km (deep).
Major
PAGER Alert
Tsunami
Felt Reports
Event Details
| Magnitude | 7.3 mwc |
| Depth | 566.00 km (Deep) |
| Location | 43.7520N, 130.6660E |
| Tsunami Warning | No |
| Significance | 820 / 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 7.3, classified as "Major". Major earthquakes can cause serious damage over large areas.
How deep was this earthquake?
This earthquake occurred at a depth of 566.00 km, classified as "Deep". Deep earthquakes are rarely felt at the surface and seldom cause significant damage.
Where exactly did this earthquake occur?
This earthquake occurred near 50 km SW of Dongning, China, at coordinates 43.7520N, 130.6660E. 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 7.3 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.