Monday, December 23, 1985 at 1:16 PM
1985-12-23 05:16 UTC ยท 62.222ยฐ, -124.239ยฐ
Magnitude
6.9 mw
Major
Depth
6 km
Shallow
Energy
337.6 kilotons of TNT
GutenbergโRichter
Coordinates
62.222ยฐ, -124.239ยฐ
Felt reports
โ
Tsunami
No
Source
USGS
Region
โ
Can cause serious damage over larger areas.
At 6 km this was a shallow earthquake. Shallow quakes concentrate shaking near the epicentre and tend to be the most damaging.
This event sits in the Major range of the moment magnitude scale.
Nearest mapped structure: Manila Trench (~9357 km away). Last major event: 1934 Manila Trench Earthquake.
Area seismic-hazard score: 8/100 (low).
7 recorded M4.0+ events within 326 km in the 90 days after this earthquake.
No other recent earthquakes nearby.
Browse all earthquakes โData from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.