Thursday, September 25, 1980 at 1:59 AM
1980-09-24 17:59 UTC ยท 35.460ยฐ, 140.080ยฐ
Magnitude
5.5 mb
Strong
Depth
74 km
Intermediate
Energy
2.7 kilotons of TNT
GutenbergโRichter
Coordinates
35.460ยฐ, 140.080ยฐ
Felt reports
โ
Tsunami
No
Source
USGS
Region
โ
Can cause damage to buildings and infrastructure near the epicentre.
At 74 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 (~2533 km away). Last major event: 1934 Manila Trench Earthquake.
Area seismic-hazard score: 8/100 (low).
4 recorded M4.0+ events within 270 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.