Tuesday, March 30, 1976 at 3:48 AM
1976-03-29 19:48 UTC · 46.015°, 149.507°
Magnitude
5.5 mb
Strong
Depth
162 km
Intermediate
Energy
2.7 kilotons of TNT
Gutenberg–Richter
Coordinates
46.015°, 149.507°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause damage to buildings and infrastructure near the epicentre.
At 162 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 (~3834 km away). Last major event: 1934 Manila Trench Earthquake.
Area seismic-hazard score: 8/100 (low).
3 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.