Sunday, January 29, 1978 at 10:05 AM
1978-01-29 02:05 UTC · 45.972°, 149.153°
Magnitude
5.5 mb
Strong
Depth
146 km
Intermediate
Energy
2.7 kilotons of TNT
Gutenberg–Richter
Coordinates
45.972°, 149.153°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause damage to buildings and infrastructure near the epicentre.
At 146 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 (~3809 km away). Last major event: 1934 Manila Trench Earthquake.
Area seismic-hazard score: 8/100 (low).
20 recorded M4.0+ events within 270 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.