Friday, April 12, 1974 at 5:37 AM
1974-04-11 21:37 UTC · 42.400°, 144.433°
Magnitude
5.3 mb
Strong
Depth
75 km
Intermediate
Energy
1.3 kilotons of TNT
Gutenberg–Richter
Coordinates
42.400°, 144.433°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause damage to buildings and infrastructure near the epicentre.
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 Strong range of the moment magnitude scale.
Nearest mapped structure: Manila Trench (~3273 km away). Last major event: 1934 Manila Trench Earthquake.
Area seismic-hazard score: 8/100 (low).
Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.