Tuesday, April 24, 1984 at 12:11 PM
1984-04-24 04:11 UTC · 30.909°, 138.431°
Magnitude
6.9 mw
Major
Depth
403 km
Deep
Energy
337.6 kilotons of TNT
Gutenberg–Richter
Coordinates
30.909°, 138.431°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause serious damage over larger areas.
At 403 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 (~2169 km away). Last major event: 1934 Manila Trench Earthquake.
Area seismic-hazard score: 8/100 (low).
3 recorded M4.0+ events within 326 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.