Sunday, March 28, 1971 at 1:09 AM
1971-03-27 17:09 UTC · 52.522°, -174.519°
Magnitude
5.9 mw
Strong
Depth
134 km
Intermediate
Energy
10.0 kilotons of TNT
Gutenberg–Richter
Coordinates
52.522°, -174.519°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause damage to buildings and infrastructure near the epicentre.
At 134 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 (~6708 km away). Last major event: 1934 Manila Trench Earthquake.
Area seismic-hazard score: 8/100 (low).
9 recorded M4.0+ events within 285 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.