M4.4 earthquake 0 km SSW of Balbalan, Philippines
A magnitude 4.4 earthquake struck 0 km SSW of Balbalan, Philippines on Tue, Jul 17, 1990, 9:22 AM GMT+9 (00:22 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.1 11 km SW of Pasil, Philippines. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.4 (mb), light
- Local time
- UTC
- 1990-07-17 00:22:43 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 17.437° N, 121.201° 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
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 11 in the 60 days after this one and 6 in the 30 days before it.
After
- 4.418 km SE of Bantay, Philippines · 13221 days ago · 33 km deep · 34 km away
- 5.08 km W of Pasil, Philippines · 13220 days ago · 33 km deep · 17 km away
- 5.020 km N of Besao, Philippines · 13220 days ago · 33 km deep · 40 km away
- 4.33 km SW of Tuao, Philippines · 13220 days ago · 33 km deep · 98 km away
- 5.111 km SW of Pasil, Philippines · 13219 days ago · 31 km deep · 21 km away
- 4.717 km NNE of Conner, Philippines · 13205 days ago · 10 km deep · 60 km away
- 4.98 km NNE of Bontoc, Philippines · 13205 days ago · 23 km deep · 38 km away
- 4.910 km SW of Pasil, Philippines · 13204 days ago · 10 km deep · 20 km away
- 4.513 km SE of Bantay, Philippines · 13201 days ago · 10 km deep · 41 km away
- 4.86 km WNW of Tabuk, Philippines · 13196 days ago · 36 km deep · 23 km away
- 4.66 km N of Sigay, Philippines · 13170 days ago · 33 km deep · 72 km away
Before
- 4.87 km NNW of Bontoc, Philippines · 13221 days ago · 33 km deep · 40 km away
- 4.518 km SE of Bantay, Philippines · 13221 days ago · 33 km deep · 39 km away
- 5.117 km NNW of Pasil, Philippines · 13221 days ago · 33 km deep · 19 km away
- 4.613 km N of Besao, Philippines · 13221 days ago · 33 km deep · 44 km away
- 4.17 km WNW of Sigay, Philippines · 13222 days ago · 33 km deep · 80 km away
- 4.52 km NE of Gambang, Philippines · 13222 days ago · 33 km deep · 86 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0004c1e. Read Sun, Sep 27, 2026, 3:29 AM UTC.