M7.3 earthquake 18 km W of Harrison, Philippines
A magnitude 7.3 earthquake struck 18 km W of Harrison, Philippines on Wed, Apr 26, 1972, 3:30 AM GMT+8 (19:30 UTC), 26 km (16 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 7.3 (mw), major
- Local time
- UTC
- 1972-04-25 19:30:07 UTC
- Depth
- 25.5 km (15.8 mi), shallow
- Epicenter
- 13.422° N, 120.268° E
- Region
- Philippines
- Strongest shaking
- VII, very strong shaking
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- VII, very strong shaking
- Peak ground acceleration
- 28.7% of gravity
- Peak ground velocity
- 3.6 cm/s
- Map
- Automatic

Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Magnitude uncertainty
- ±0.46
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.5 and up: 12 in the 60 days after this one and 0 in the 30 days before it.
After
- 5.36 km NE of Paluan, Philippines · 19872 days ago · 65 km deep · 26 km away
- 5.915 km ENE of Paluan, Philippines · 19872 days ago · 25 km deep · 35 km away
- 5.5Mindoro, Philippines · 19872 days ago · 44 km deep · 24 km away
- 5.512 km WNW of Abra de Ilog, Philippines · 19872 days ago · 51 km deep · 40 km away
- 5.915 km NE of Harrison, Philippines · 19871 days ago · 24 km deep · 32 km away
- 5.812 km NNW of Cabacao, Philippines · 19871 days ago · 62 km deep · 37 km away
- 5.332 km W of Tayaman, Philippines · 19871 days ago · 20 km deep · 28 km away
- 5.526 km SW of Harrison, Philippines · 19868 days ago · 44 km deep · 15 km away
- 5.912 km N of Harrison, Philippines · 19868 days ago · 32 km deep · 24 km away
- 6.240 km W of Harrison, Philippines · 19851 days ago · 27 km deep · 22 km away
- 5.528 km SW of Paluan, Philippines · 19842 days ago · 20 km deep · 24 km away
- 5.58 km SW of Paluan, Philippines · 19818 days ago · 46 km deep · 17 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem774772 (also filed as atlas19720425193008). Read Tue, Sep 22, 2026, 7:59 AM UTC.