Wednesday, April 12, 1978 at 9:22 AM
1978-04-12 01:22 UTC · 44.257°, 148.087°
Magnitude
5.4 mb
Strong
Depth
87 km
Intermediate
Energy
1.9 kilotons of TNT
Gutenberg–Richter
Coordinates
44.257°, 148.087°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause damage to buildings and infrastructure near the epicentre.
At 87 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 (~3633 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.