Monday, October 20, 1980 at 11:29 AM
1980-10-20 03:29 UTC · 33.075°, 140.379°
Magnitude
5.6 mb
Strong
Depth
81 km
Intermediate
Energy
3.8 kilotons of TNT
Gutenberg–Richter
Coordinates
33.075°, 140.379°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause damage to buildings and infrastructure near the epicentre.
At 81 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 (~2434 km away). Last major event: 1934 Manila Trench Earthquake.
Area seismic-hazard score: 8/100 (low).
3 recorded M4.0+ events within 274 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.