M4.8 earthquake 43 km E of Cortes, Philippines
A magnitude 4.8 earthquake struck 43 km E of Cortes, Philippines on Mon, Oct 20, 1986, 6:37 AM GMT+8 (22:37 UTC), 69 km (43 mi) below the surface.
A larger quake followed: M5.6 65 km E of Cortes, Philippines. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.8 (mb), light
- Local time
- UTC
- 1986-10-19 22:37:00 UTC
- Depth
- 69.2 km (43.0 mi), shallow
- Epicenter
- 9.269° N, 126.584° 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
- FROM_LOCATION
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.8 and up: 9 in the 60 days after this one and 5 in the 30 days before it.
After
- 5.665 km E of Cortes, Philippines · 14573 days ago · 33 km deep · 22 km away
- 5.81 km SSE of Tago, Philippines · 14565 days ago · 62 km deep · 48 km away
- 5.417 km NE of La Paz, Philippines · 14565 days ago · 33 km deep · 30 km away
- 5.278 km ENE of Hinatuan, Philippines · 14564 days ago · 42 km deep · 86 km away
- 5.027 km E of Union, Philippines · 14557 days ago · 51 km deep · 57 km away
- 4.963 km E of Cortes, Philippines · 14554 days ago · 62 km deep · 20 km away
- 4.766 km E of Cortes, Philippines · 14553 days ago · 33 km deep · 24 km away
- 4.955 km E of Cortes, Philippines · 14545 days ago · 37 km deep · 13 km away
- 4.966 km ENE of Hinatuan, Philippines · 14540 days ago · 33 km deep · 79 km away
Before
- 5.1Mindanao, Philippines · 14593 days ago · 44 km deep · 30 km away
- 4.961 km ENE of Hinatuan, Philippines · 14594 days ago · 65 km deep · 90 km away
- 4.353 km ENE of Bacolod, Philippines · 14598 days ago · 33 km deep · 18 km away
- 4.562 km ENE of La Paz, Philippines · 14600 days ago · 33 km deep · 23 km away
- 4.924 km ESE of Union, Philippines · 14601 days ago · 229 km deep · 53 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002z30. Read Tue, Sep 22, 2026, 11:10 AM UTC.