M4.9 earthquake 64 km E of San Policarpo, Philippines
A magnitude 4.9 earthquake struck 64 km E of San Policarpo, Philippines on Fri, Oct 31, 1975, 10:17 PM GMT+8 (14:17 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.0 71 km ENE of San Policarpo, Philippines. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.9 (mb), light
- Local time
- UTC
- 1975-10-31 14:17:06 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 12.188° N, 126.102° E
- Region
- Philippines
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Depth from
- OPERATOR_ASSIGNED
- Stations used
- 12
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 43 in the 60 days after this one and 11 in the 30 days before it.
After
- 4.999 km E of San Policarpo, Philippines · 18589 days ago · 84 km deep · 35 km away
- 4.751 km NE of Alugan, Philippines · 18589 days ago · 111 km deep · 44 km away
- 5.071 km ENE of San Policarpo, Philippines · 18589 days ago · 33 km deep · 17 km away
- 5.173 km ENE of San Policarpo, Philippines · 18589 days ago · 33 km deep · 16 km away
- 4.613 km ENE of Mantang, Philippines · 18589 days ago · 64 km deep · 68 km away
- 5.155 km NE of San Policarpo, Philippines · 18589 days ago · 40 km deep · 37 km away
- 4.7Philippine Islands region · 18589 days ago · 135 km deep · 55 km away
- 5.320 km ENE of Sulat, Philippines · 18589 days ago · 50 km deep · 62 km away
- 5.022 km E of San Julian, Philippines · 18589 days ago · 33 km deep · 65 km away
- 4.9121 km E of San Policarpo, Philippines · 18589 days ago · 33 km deep · 57 km away
- 5.054 km NE of Alugan, Philippines · 18589 days ago · 14 km deep · 45 km away
- 4.7Samar, Philippines · 18589 days ago · 33 km deep · 67 km away
- 5.239 km ESE of San Policarpo, Philippines · 18589 days ago · 33 km deep · 29 km away
- 5.526 km ESE of Dolores, Philippines · 18589 days ago · 41 km deep · 47 km away
- 5.1103 km E of San Policarpo, Philippines · 18588 days ago · 33 km deep · 39 km away
- 5.162 km NE of Alugan, Philippines · 18588 days ago · 51 km deep · 48 km away
- 5.159 km NE of Alugan, Philippines · 18588 days ago · 48 km deep · 58 km away
- 4.742 km NE of Alugan, Philippines · 18588 days ago · 33 km deep · 42 km away
- 4.887 km NE of Alugan, Philippines · 18588 days ago · 33 km deep · 55 km away
- 5.3Philippine Islands region · 18588 days ago · 50 km deep · 92 km away
- 4.992 km NE of Alugan, Philippines · 18587 days ago · 33 km deep · 57 km away
- 5.172 km ENE of San Policarpo, Philippines · 18586 days ago · 33 km deep · 37 km away
- 5.182 km NE of Alugan, Philippines · 18585 days ago · 33 km deep · 54 km away
- 6.173 km ENE of San Policarpo, Philippines · 18583 days ago · 11 km deep · 40 km away
- 4.573 km ENE of San Policarpo, Philippines · 18580 days ago · 33 km deep · 27 km away
- 4.875 km NE of Sulangan, Philippines · 18580 days ago · 33 km deep · 98 km away
- 5.1110 km NE of Sulangan, Philippines · 18574 days ago · 33 km deep · 93 km away
- 6.187 km NE of Anito, Philippines · 18574 days ago · 11 km deep · 87 km away
- 5.591 km NE of Cabatuan, Philippines · 18572 days ago · 26 km deep · 100 km away
- 4.889 km NE of Alugan, Philippines · 18570 days ago · 33 km deep · 71 km away
- 5.164 km NE of Anito, Philippines · 18570 days ago · 33 km deep · 86 km away
- 5.174 km NE of Anito, Philippines · 18570 days ago · 33 km deep · 84 km away
- 5.493 km NE of Anito, Philippines · 18565 days ago · 33 km deep · 90 km away
- 5.185 km NE of Anito, Philippines · 18563 days ago · 33 km deep · 93 km away
- 4.974 km NE of Anito, Philippines · 18563 days ago · 33 km deep · 89 km away
- 5.345 km ESE of Dolores, Philippines · 18561 days ago · 64 km deep · 43 km away
- 5.176 km ENE of San Policarpo, Philippines · 18560 days ago · 56 km deep · 19 km away
- 5.230 km ESE of Dolores, Philippines · 18559 days ago · 33 km deep · 48 km away
- 5.671 km ENE of Alugan, Philippines · 18558 days ago · 30 km deep · 44 km away
- 5.333 km ESE of Dolores, Philippines · 18548 days ago · 53 km deep · 42 km away
- 4.935 km ESE of Dolores, Philippines · 18547 days ago · 33 km deep · 47 km away
- 5.282 km NE of Cabatuan, Philippines · 18545 days ago · 33 km deep · 99 km away
- 4.826 km E of Dapdap, Philippines · 18530 days ago · 109 km deep · 42 km away
Before
- 4.279 km ENE of San Policarpo, Philippines · 18589 days ago · 137 km deep · 38 km away
- 4.895 km ENE of San Policarpo, Philippines · 18589 days ago · 23 km deep · 42 km away
- 5.071 km ENE of San Policarpo, Philippines · 18589 days ago · 76 km deep · 34 km away
- 4.766 km ENE of San Policarpo, Philippines · 18589 days ago · 33 km deep · 31 km away
- 5.299 km ENE of San Policarpo, Philippines · 18589 days ago · 33 km deep · 57 km away
- 5.579 km NE of Alugan, Philippines · 18589 days ago · 5 km deep · 61 km away
- 4.899 km NE of Sulangan, Philippines · 18589 days ago · 80 km deep · 97 km away
- 5.0103 km ENE of San Policarpo, Philippines · 18590 days ago · 33 km deep · 45 km away
- 7.266 km ENE of Alugan, Philippines · 18590 days ago · 50 km deep · 41 km away
- 5.778 km ENE of San Policarpo, Philippines · 18590 days ago · 53 km deep · 39 km away
- 4.348 km NE of San Policarpo, Philippines · 18593 days ago · 384 km deep · 36 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000dcc. Read Tue, Sep 22, 2026, 9:21 PM UTC.