M4.9 earthquake 0 km W of Dilan, Philippines
A magnitude 4.9 earthquake struck 0 km W of Dilan, Philippines on Mon, Oct 1, 1990, 6:08 AM GMT+8 (22:08 UTC), 37 km (23 mi) below the surface.
A larger quake followed: M5.0 1 km S of Almaguer North, 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
- 1990-09-30 22:08:44 UTC
- Depth
- 36.6 km (22.7 mi), shallow
- Epicenter
- 16.087° N, 120.512° 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 1.9 and up: 2 in the 60 days after this one and 10 in the 30 days before it.
After
- 4.81 km WNW of Sagunto, Philippines · 13128 days ago · 27 km deep · 14 km away
- 5.01 km S of Almaguer North, Philippines · 13105 days ago · 10 km deep · 68 km away
Before
- 5.12 km ENE of Salinas, Philippines · 13149 days ago · 33 km deep · 65 km away
- 4.319 km WNW of Busilak, Philippines · 13159 days ago · 33 km deep · 69 km away
- 3.93 km W of Hacienda, Philippines · 13161 days ago · 33 km deep · 42 km away
- 4.72 km SSW of Damortis, Philippines · 13162 days ago · 33 km deep · 20 km away
- 4.915 km SW of Namboongan, Philippines · 13162 days ago · 20 km deep · 31 km away
- 5.012 km NE of Cabungan, Philippines · 13162 days ago · 10 km deep · 61 km away
- 4.112 km W of Paringao, Philippines · 13162 days ago · 10 km deep · 62 km away
- 4.78 km ESE of Ambuclao, Philippines · 13165 days ago · 10 km deep · 53 km away
- 5.32 km SW of Dalupirip, Philippines · 13169 days ago · 25 km deep · 33 km away
- 4.60 km WSW of Bayombong, Philippines · 13170 days ago · 10 km deep · 81 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0004f7n. Read Wed, Sep 23, 2026, 8:09 AM UTC.