M5.9 earthquake 12 km N of Harrison, Philippines
A magnitude 5.9 earthquake struck 12 km N of Harrison, Philippines on Sun, Apr 30, 1972, 11:15 PM GMT+8 (15:15 UTC), 32 km (20 mi) below the surface.
A larger quake followed: M6.2 40 km W of Harrison, Philippines. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.9 (mw), moderate
- Local time
- UTC
- 1972-04-30 15:15:33 UTC
- Depth
- 31.9 km (19.8 mi), shallow
- Epicenter
- 13.563° N, 120.437° E
- Region
- Philippines
- Strongest shaking
- VI, 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
- VI, strong shaking
- Peak ground acceleration
- 15.2% of gravity
- Peak ground velocity
- 2.3 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
- ±0.20
- 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: 3 in the 60 days after this one and 9 in the 30 days before it.
After
- 6.240 km W of Harrison, Philippines · 19851 days ago · 27 km deep · 44 km away
- 5.528 km SW of Paluan, Philippines · 19842 days ago · 20 km deep · 42 km away
- 5.58 km SW of Paluan, Philippines · 19819 days ago · 46 km deep · 23 km away
Before
- 5.526 km SW of Harrison, Philippines · 19869 days ago · 44 km deep · 36 km away
- 5.332 km W of Tayaman, Philippines · 19871 days ago · 20 km deep · 46 km away
- 5.812 km NNW of Cabacao, Philippines · 19871 days ago · 62 km deep · 23 km away
- 5.915 km NE of Harrison, Philippines · 19872 days ago · 24 km deep · 12 km away
- 5.512 km WNW of Abra de Ilog, Philippines · 19872 days ago · 51 km deep · 22 km away
- 5.5Mindoro, Philippines · 19872 days ago · 44 km deep · 36 km away
- 5.915 km ENE of Paluan, Philippines · 19872 days ago · 25 km deep · 18 km away
- 5.36 km NE of Paluan, Philippines · 19872 days ago · 65 km deep · 14 km away
- 7.318 km W of Harrison, Philippines · 19873 days ago · 26 km deep · 24 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem774926. Read Tue, Sep 22, 2026, 3:45 PM UTC.