Tuesday, September 10, 1985 at 2:39 PM
1985-09-10 06:39 UTC · 27.208°, 139.848°
Magnitude
6.4 mw
Major
Depth
501 km
Deep
Energy
60.0 kilotons of TNT
Gutenberg–Richter
Coordinates
27.208°, 139.848°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause serious damage over larger areas.
At 501 km this was a deep earthquake. Deep quakes are felt over very large areas but rarely cause surface damage.
This event sits in the Major range of the moment magnitude scale.
Nearest mapped structure: Philippine Fault Zone (~2146 km away). Last major event: 1990 Luzon Earthquake (M7.8).
Area seismic-hazard score: 8/100 (low).
20 recorded M4.0+ events within 306 km in the 90 days after this earthquake.
No other recent earthquakes nearby.
Browse all earthquakes →Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.