Friday, October 4, 1985 at 8:25 PM
1985-10-04 12:25 UTC · 35.816°, 140.093°
Magnitude
5.9 mw
Strong
Depth
85 km
Intermediate
Energy
10.7 kilotons of TNT
Gutenberg–Richter
Coordinates
35.816°, 140.093°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause damage to buildings and infrastructure near the epicentre.
At 85 km this was a intermediate earthquake. Intermediate-depth quakes spread shaking over a wider area but are usually less destructive at the surface.
This event sits in the Strong range of the moment magnitude scale.
Nearest mapped structure: Manila Trench (~2554 km away). Last major event: 1934 Manila Trench Earthquake.
Area seismic-hazard score: 8/100 (low).
4 recorded M4.0+ events within 286 km in the 90 days after this earthquake.
Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.