Philippines earthquakes

M5.2 earthquake 2 km NW of Alugan, Philippines

A magnitude 5.2 earthquake struck 2 km NW of Alugan, Philippines on Fri, Jul 13, 1973, 3:10 AM GMT+8 (19:10 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M5.3 30 km ENE of San Policarpo, Philippines. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
5.2 (mb), moderate
Local time
UTC
1973-07-12 19:10:23 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
12.232° N, 125.464° E
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
22

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 2.2 and up: 4 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 5.330 km ENE of San Policarpo, Philippines · 19416 days ago · 33 km deep · 35 km away
  2. 5.26 km W of Can-Avid, Philippines · 19416 days ago · 33 km deep · 28 km away
  3. 4.66 km NE of Mapanas, Philippines · 19416 days ago · 90 km deep · 38 km away
  4. 5.24 km E of Arteche, Philippines · 19388 days ago · 33 km deep · 4 km away

Before

  1. 5.318 km ENE of Alugan, Philippines · 19434 days ago · 47 km deep · 20 km away
  2. 4.55 km NE of Sulat, Philippines · 19434 days ago · 103 km deep · 43 km away
  3. 5.04 km N of Maslog, Philippines · 19438 days ago · 60 km deep · 25 km away
  4. 5.43 km SSE of San Policarpo, Philippines · 19439 days ago · 33 km deep · 11 km away
  5. 5.24 km ESE of Hipadpad, Philippines · 19439 days ago · 33 km deep · 21 km away
  6. 5.24 km E of San Policarpo, Philippines · 19439 days ago · 40 km deep · 11 km away
  7. 5.35 km W of Oras, Philippines · 19439 days ago · 56 km deep · 13 km away
  8. 5.41 km NW of Arteche, Philippines · 19439 days ago · 51 km deep · 9 km away
  9. 6.5Samar, Philippines · 19439 days ago · 33 km deep · 15 km away
  10. 6.03 km ENE of Arteche, Philippines · 19439 days ago · 44 km deep · 5 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp00002pk. Read Tue, Sep 22, 2026, 6:29 AM UTC.