Sunday, April 22, 1984 at 11:33 AM
1984-04-22 03:33 UTC · -21.866°, -179.375°
Magnitude
6.4 mw
Major
Depth
593 km
Deep
Energy
60.0 kilotons of TNT
Gutenberg–Richter
Coordinates
-21.866°, -179.375°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause serious damage over larger areas.
At 593 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: Philippine Trench (~6609 km away). Last major event: 2012 Samar Earthquake (M7.6).
Area seismic-hazard score: 8/100 (low).
5 recorded M4.0+ events within 306 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.