Thursday, January 21, 2021 at 11:31 PM
2021-01-21 15:31 UTC · 4.848°, 127.509°
Magnitude
4.0 mb
Moderate
Depth
121 km
Intermediate
Energy
15 tons of TNT
Gutenberg–Richter
Coordinates
4.848°, 127.509°
Felt reports
—
Tsunami
No
Source
USGS
Region
Philippine Sea
Felt widely; can cause minor damage to weak structures.
At 121 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 Moderate range of the moment magnitude scale.
Nearest mapped structure: Philippine Trench (~17 km away). Last major event: 2012 Samar Earthquake (M7.6).
Area seismic-hazard score: 38/100 (moderate).
Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.