Philippines earthquakes

M4.9 earthquake 13 km SE of Union, Philippines

A magnitude 4.9 earthquake struck 13 km SE of Union, Philippines on Thu, Jan 9, 2003, 9:37 PM GMT+8 (13:37 UTC), 33 km (21 mi) below the surface.

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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
4.9 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2003-01-09 13:37:02 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
9.657° N, 126.181° E
Tsunami flag
No
Status
Reviewed by a seismologist

What happened

The USGS’s account of the effects of this earthquake.

Felt (III PIVS) on Siargao Island and (II PIVS) at Butuan.

From the USGS event page for usp000bnaa. U.S. Geological Survey text and figures are in the public domain.

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
45

Nearest places

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

Nearby

Within 100 km, magnitude 1.9 and up: 3 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 3.83 km ENE of Bangonay, Philippines · 8615 days ago · 33 km deep · 75 km away
  2. 4.840 km N of Santa Monica, Philippines · 8613 days ago · 72 km deep · 82 km away
  3. 4.834 km ENE of Pilar, Philippines · 8608 days ago · 36 km deep · 39 km away

Before

  1. 4.732 km SE of Union, Philippines · 8671 days ago · 33 km deep · 20 km away
  2. 4.438 km E of Cortes, Philippines · 8680 days ago · 33 km deep · 55 km away
  3. 4.157 km ENE of La Paz, Philippines · 8684 days ago · 33 km deep · 76 km away
  4. 4.628 km E of Cortes, Philippines · 8685 days ago · 33 km deep · 51 km away
  5. 4.414 km E of Cortes, Philippines · 8686 days ago · 33 km deep · 45 km away
  6. 5.221 km E of Cortes, Philippines · 8688 days ago · 33 km deep · 45 km away
  7. 4.652 km NNE of Santa Monica, Philippines · 8695 days ago · 33 km deep · 87 km away
  8. 4.644 km NNE of Santa Monica, Philippines · 8696 days ago · 33 km deep · 84 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000bnaa. Read Thu, Oct 1, 2026, 1:39 PM UTC.