Wednesday, February 28, 1968 at 8:08 PM
1968-02-28 12:08 UTC · 32.928°, 137.820°
Magnitude
6.3 mw
Major
Depth
344 km
Deep
Energy
37.0 kilotons of TNT
Gutenberg–Richter
Coordinates
32.928°, 137.820°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause serious damage over larger areas.
At 344 km this was a deep earthquake. Deep quakes are felt over very large areas but rarely cause surface damage.
This event sits in the Major range of the moment magnitude scale.
Nearest mapped structure: Manila Trench (~2213 km away). Last major event: 1934 Manila Trench Earthquake.
Area seismic-hazard score: 8/100 (low).
1 recorded M4.0+ event within 300 km in the 90 days after this earthquake.
No other recent earthquakes nearby.
Browse all earthquakes →Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.