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M3.1 Depth: 16.0 km

M3.1 Earthquake near Calbayog, Samar (Philippines)

UTC time: 2026-09-04 06:43:06 UTC Local time: —

About this earthquake

A magnitude M3.1 earthquake was recorded near Calbayog, Samar (Philippines) on September 4, 2026 at 06:43 UTC. With a focal depth of about 16 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Shaking of this size is frequently noticed but usually harmless.

The data is provided by EMSC and cross-checked across seismological networks. Philippines: 7 earthquakes were recorded in the past 24 hours, the strongest reaching M4.3.

Details

Magnitude
M3.1
Depth
16.0 km
UTC time
2026-09-04 06:43:06 UTC
Local time
—
Country
Philippines
State
Samar
City
Calbayog
Source
emsc
Coordinates
12.16000, 124.30000
Temperature
30.6°C

Map

Depth profile

Depth profile Depth: 16 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 16 km
Shallow
16 km
16 km — shallower than 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

Volcanoes nearby

  • Bulusan
    Distance: 73 km ·Stratovolcano(es) ·Elevation: 1'535 m ·Last eruption: 2025 ·Philippines
  • Biliran
    Distance: 75 km ·Compound ·Elevation: 1'301 m ·Last eruption: 1939 ·Philippines
  • Mayon
    Distance: 139 km ·Stratovolcano ·Elevation: 2'462 m ·Last eruption: 2026 ·Philippines
  • Iriga
    Distance: 171 km ·Stratovolcano ·Elevation: 1'138 m ·Philippines
  • Isarog
    Distance: 194 km ·Stratovolcano ·Elevation: 1'966 m ·Last eruption: -3500 ·Philippines
  • Cabalían
    Distance: 231 km ·Stratovolcano ·Elevation: 912 m ·Last eruption: 1820 ·Philippines

Historic earthquake map · Philippines

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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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