Monday, December 29, 1924 at 6:55 AM
1924-12-28 22:55 UTC · 43.494°, 146.285°
Magnitude
6.9 mw
Major
Depth
75 km
Intermediate
Energy
387.6 kilotons of TNT
Gutenberg–Richter
Coordinates
43.494°, 146.285°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause serious damage over larger areas.
At 75 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 Major range of the moment magnitude scale.
Nearest mapped structure: Manila Trench (~3466 km away). Last major event: 1934 Manila Trench Earthquake.
Area seismic-hazard score: 8/100 (low).
7 recorded M4.0+ events within 328 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.