Sunday, February 27, 1983 at 8:14 PM
1983-02-27 12:14 UTC ยท 35.869ยฐ, 139.916ยฐ
Magnitude
5.9 mw
Strong
Depth
78 km
Intermediate
Energy
10.7 kilotons of TNT
GutenbergโRichter
Coordinates
35.869ยฐ, 139.916ยฐ
Felt reports
โ
Tsunami
No
Source
USGS
Region
โ
Can cause damage to buildings and infrastructure near the epicentre.
At 78 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 (~2544 km away). Last major event: 1934 Manila Trench Earthquake.
Area seismic-hazard score: 8/100 (low).
3 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.