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Philippines

M5.3 Earthquake near 42 km WNW of Bacnotan, Philippines (Philippines)

UTC time: 2025-09-18 19:52:11 UTC Local time: —
Magnitude
M5.3
Depth
35.0 km
Source
USGS

42 km WNW of Bacnotan, Philippines

Country overview

Map

M5.3 earthquake near 42 km WNW of Bacnotan, Philippines on Sep 18, 2025 — map of epicenter and shaking intensity | QuakeMap24
M5.3 Earthquake near 42 km WNW of Bacnotan, Philippines (Philippines) · 2025-09-18 19:52:11 UTC

About this earthquake

On September 18, 2025 at 19:52 UTC, a magnitude M5.3 earthquake occurred near 42 km WNW of Bacnotan, Philippines (Philippines). With a focal depth of about 35 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude can damage poorly built structures.

The event was recorded by USGS. Philippines: over the past 24 hours, QuakeMap24 logged 4 earthquakes, the strongest at M4.2.

Details

ID
5da66c8234fffe247020f4c0f1a6461e4bafc1b3
Magnitude
M5.3
Depth
35.0 km
UTC time
2025-09-18 19:52:11 UTC
Local time
—
Country
Philippines
Source
usgs
Coordinates
16.89050, 119.98970
Temperature
28.5°C

Depth profile

Depth profile Depth: 35 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 35 km
Shallow
35 km
35 km — close to the regional average (29.7 km)
Regional average: 29.7 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Nearby population centers

Distances are straight-line distances from the epicenter. Population data: GeoNames.

PlaceDistanceDirectionPopulation
San Fernando46.3 kmSE83'003
La Trinidad80.0 kmSE142'925
Valenzuela265.1 kmSE725'173

GeoNames · CC BY 4.0

Volcanoes nearby

  • Pinatubo
    Distance: 200 km ·Stratovolcano ·Elevation: 1'486 m ·Last eruption: 2021 ·Philippines
  • Cagua
    Distance: 270 km ·Stratovolcano ·Elevation: 1'133 m ·Last eruption: 1860 ·Philippines
  • Camiguin de Babuyanes
    Distance: 293 km ·Stratovolcano ·Elevation: 712 m ·Last eruption: 1857 ·Philippines
  • Didicas
    Distance: 337 km ·Compound ·Elevation: 228 m ·Last eruption: 1978 ·Philippines
  • Taal
    Distance: 338 km ·Caldera ·Elevation: 311 m ·Last eruption: 2026 ·Philippines
  • San Pablo Volcanic Field
    Distance: 339 km ·Volcanic field ·Elevation: 1'090 m ·Last eruption: 1350 ·Philippines

Subsequent earthquakes nearby

Events recorded after this earthquake within 150 km. They are not automatically classified as aftershocks.

First 6 hours2
First 24 hours2
First 72 hours5
Strongest subsequent eventM5.0
M3.72025-09-18 21:03:07 UTC17.2 kmLUZON, PHILIPPINES M4.02025-09-18 22:02:33 UTC11.5 kmLUZON, PHILIPPINES M3.02025-09-19 21:27:02 UTC135.7 kmLUZON, PHILIPPINES M3.52025-09-20 16:56:06 UTC11.5 kmLUZON, PHILIPPINES M3.62025-09-21 09:46:54 UTC118.8 kmLUZON, PHILIPPINES M3.22025-09-22 21:22:16 UTC80.3 kmLUZON, PHILIPPINES M3.52025-09-24 19:56:29 UTC11.9 kmLUZON, PHILIPPINES M3.62025-10-01 23:31:59 UTC23.3 kmLUZON, PHILIPPINES M5.02025-10-05 01:45:44 UTC146.1 kmPhilippine Islands Region M3.02025-10-10 17:25:41 UTC149.4 kmLUZON, PHILIPPINES M3.02025-10-11 16:43:21 UTC117.0 kmLUZON, PHILIPPINES M3.02025-10-15 10:10:17 UTC16.9 kmLUZON, PHILIPPINES

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#2
Earlier events M≥417
Earlier events M≥54
Compared since2025-02-11

The QuakeMap24 comparison dataset begins on 2024-03-23. Earlier earthquakes may not be included.

Strongest earlier events

M5.52025-09-18 19:52:09 UTC22.3 kmLuzon, Philippines M5.22025-09-18 19:52:07 UTC17.2 kmEvent of magnitude 5.2, near of Manila (Monde) M5.22025-05-24 02:36:10 UTC35.6 kmLUZON, PHILIPPINES M5.22025-05-24 02:36:09 UTC47.7 kmLuzon, Philippines M4.82025-09-18 19:52:07 UTC26.5 kmPhilippine Islands Region

Historic earthquake map · Philippines

Open history map
Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · Philippines

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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