Philippines earthquakes

M4.3 earthquake 32 km ENE of Cortes, Philippines

A magnitude 4.3 earthquake struck 32 km ENE of Cortes, Philippines on Fri, Mar 22, 1991, 8:39 PM GMT+8 (12:39 UTC), 76 km (47 mi) below the surface.

A larger quake followed: M6.3 50 km ENE of Aras-asan, 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
4.3 (mb), light
Local time
UTC
1991-03-22 12:39:16 UTC
Depth
75.6 km (47.0 mi), intermediate-depth
Epicenter
9.382° N, 126.473° 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
FROM_LOCATION

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 13 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 5.017 km E of Union, Philippines · 12972 days ago · 49 km deep · 49 km away
  2. 6.350 km ENE of Aras-asan, Philippines · 12943 days ago · 14 km deep · 48 km away
  3. 4.236 km E of Aras-asan, Philippines · 12943 days ago · 60 km deep · 58 km away
  4. 5.553 km ENE of Aras-asan, Philippines · 12943 days ago · 33 km deep · 50 km away
  5. 4.4Mindanao, Philippines · 12943 days ago · 60 km deep · 60 km away
  6. 4.221 km NE of Tago, Philippines · 12941 days ago · 60 km deep · 30 km away
  7. 4.531 km ENE of Bacolod, Philippines · 12940 days ago · 98 km deep · 37 km away
  8. 5.230 km NE of Tago, Philippines · 12940 days ago · 58 km deep · 22 km away
  9. 4.462 km ENE of Cortes, Philippines · 12939 days ago · 41 km deep · 30 km away
  10. 4.540 km ENE of La Paz, Philippines · 12939 days ago · 87 km deep · 31 km away
  11. 4.745 km ENE of Aras-asan, Philippines · 12938 days ago · 74 km deep · 39 km away
  12. 4.949 km ENE of Aras-asan, Philippines · 12932 days ago · 33 km deep · 45 km away
  13. 4.815 km ESE of Socorro, Philippines · 12928 days ago · 68 km deep · 46 km away

Before

  1. 4.750 km E of Aras-asan, Philippines · 12991 days ago · 63 km deep · 57 km away
  2. 4.371 km ENE of Bacolod, Philippines · 12996 days ago · 72 km deep · 48 km away
  3. 5.046 km ENE of La Paz, Philippines · 12996 days ago · 86 km deep · 29 km away
  4. 5.18 km ENE of Aras-asan, Philippines · 12999 days ago · 64 km deep · 53 km away
  5. 4.720 km E of Cortes, Philippines · 13000 days ago · 60 km deep · 17 km away
  6. 4.638 km NE of La Paz, Philippines · 13001 days ago · 60 km deep · 23 km away
  7. 4.616 km E of Tigao, Philippines · 13001 days ago · 100 km deep · 26 km away
  8. 5.018 km E of Jagupit, Philippines · 13002 days ago · 33 km deep · 83 km away
  9. 4.947 km ENE of Aras-asan, Philippines · 13003 days ago · 33 km deep · 52 km away
  10. 5.242 km ENE of Aras-asan, Philippines · 13006 days ago · 26 km deep · 41 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0004pcq. Read Wed, Sep 30, 2026, 9:28 AM UTC.