Sunday, April 21, 1985 at 9:28 PM
1985-04-21 13:28 UTC · 29.734°, 137.776°
Magnitude
5.1 mb
Strong
Depth
511 km
Deep
Energy
674 tons of TNT
Gutenberg–Richter
Coordinates
29.734°, 137.776°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause damage to buildings and infrastructure near the epicentre.
At 511 km this was a deep earthquake. Deep quakes are felt over very large areas but rarely cause surface damage.
This event sits in the Strong range of the moment magnitude scale.
Nearest mapped structure: Manila Trench (~2062 km away). Last major event: 1934 Manila Trench Earthquake.
Area seismic-hazard score: 8/100 (low).
Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.