M5.9 earthquake 15 km NE of Harrison, Philippines
A magnitude 5.9 earthquake struck 15 km NE of Harrison, Philippines on Thu, Apr 27, 1972, 9:29 AM GMT+8 (01:29 UTC), 24 km (15 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
- 1972-04-27 01:29:34 UTC
- Depth
- 24.0 km (14.9 mi), shallow
- Epicenter
- 13.537° N, 120.540° 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
- 14.9% of gravity
- Peak ground velocity
- 2.5 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
- ±0.21
- 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: 7 in the 60 days after this one and 5 in the 30 days before it.
After
- 5.812 km NNW of Cabacao, Philippines · 19872 days ago · 62 km deep · 14 km away
- 5.332 km W of Tayaman, Philippines · 19872 days ago · 20 km deep · 49 km away
- 5.526 km SW of Harrison, Philippines · 19869 days ago · 44 km deep · 41 km away
- 5.912 km N of Harrison, Philippines · 19869 days ago · 32 km deep · 12 km away
- 6.240 km W of Harrison, Philippines · 19852 days ago · 27 km deep · 54 km away
- 5.528 km SW of Paluan, Philippines · 19843 days ago · 20 km deep · 45 km away
- 5.58 km SW of Paluan, Philippines · 19819 days ago · 46 km deep · 24 km away
Before
- 5.512 km WNW of Abra de Ilog, Philippines · 19872 days ago · 51 km deep · 11 km away
- 5.5Mindoro, Philippines · 19873 days ago · 44 km deep · 37 km away
- 5.915 km ENE of Paluan, Philippines · 19873 days ago · 25 km deep · 8 km away
- 5.36 km NE of Paluan, Philippines · 19873 days ago · 65 km deep · 10 km away
- 7.318 km W of Harrison, Philippines · 19873 days ago · 26 km deep · 32 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem774826. Read Wed, Sep 23, 2026, 3:51 AM UTC.