QuakeScout
Magnitude3.2

Reported by EMSCPhilippines20d ago

M3.2 earthquake in Mindanao, Philippines

Monday, September 7, 2026, 13:31:21 UTC · 5.350°N, 126.350°E

A magnitude 3.2 earthquake struck in Mindanao, Philippines on Monday, September 7, 2026, 13:31:21 UTC, at a depth of 106.0 km (intermediate).

Magnitude
3.2
Minor · m
Depth
106 km
Intermediate
Reported by
EMSC
Agency PIVS
Nearest tracker
155 km
from General Santos

Outlined circle: this earthquakeDashed circle: 50 km aftershock search area

In context

How big was it, and why here?

Energy released

951 kg of TNT

That is about 1/15,825 of the Hiroshima bomb. A magnitude 5.0 releases about 501 times more energy.

Tectonic setting

128 km

from the nearest mapped plate boundary, between the Philippine Sea and Sunda plates. Earthquakes this far from a boundary happen on faults inside a plate, often less frequently but sometimes strongly.

Depth: intermediate

106 km

Intermediate-depth earthquakes usually break inside a plate that is sinking into the mantle. Shaking spreads over a wide area but is gentler at the epicenter than a shallow quake of the same size.

After the main event

Aftershocks within 50 km

USGS and EMSC list 2 M2.5+ earthquakes within 50 km since this event; the largest was M3.8 on September 25, 2026. Most nearby activity right after a large earthquake is aftershocks, which usually become less frequent over days and weeks.

M3M41h6h1d3d7d14dMainshock M3.2
Time after the mainshock on a logarithmic scale (first hours stretched), magnitude on the vertical axis. M2.5+ events from USGS.
  1. 3.8Mindanao, Philippines1d ago · 38 km S of this epicenter
  2. 3.0Kepulauan Talaud, Indonesia16d ago · 43 km S of this epicenter

Regional history

Past M5+ earthquakes within 300 km

USGS lists 2,098 M5.0+ earthquakes within 300 km before this one (catalog from 1900; older records are less complete). The strongest:

  1. 8.31918 Mindanao, Philippines EarthquakeAugust 15, 1918 · 262 km W of this epicenter
  2. 8.11924 Mindanao, Philippines EarthquakeApril 14, 1924 · 143 km N of this epicenter
  3. 8.01972 Mindanao, Philippines EarthquakeDecember 2, 1972 · 125 km N of this epicenter
  4. 7.919 km WNW of Palimbang, PhilippinesAugust 16, 1976 · 277 km W of this epicenter
  5. 7.947 km ESE of Kalbay, PhilippinesMarch 14, 1913 · 55 km NW of this epicenter
  6. 7.825 km SW of Kablalan, PhilippinesJune 7, 2026 · 146 km W of this epicenter
  7. 7.877 km E of Baculin, PhilippinesMay 25, 1943 · 247 km NE of this epicenter
  8. 7.8161 km SE of Sarangani, PhilippinesApril 1, 1936 · 121 km S of this epicenter

History · NOAA

Deadliest earthquakes in this area

NOAA’s significant-earthquake database lists 45 damaging, deadly or tsunami-generating earthquakes within 300 km of this epicenter since 1700, which together caused about 11,292 recorded deaths. The most severe:

  1. 1976M8.0

    Mindanao: S

    16 Aug 1976 · 271 km away · intensity VI

    8,000 deaths$134 million damagetsunami

  2. 1856

    Sangihe Pulau (Volcanic)

    2 Mar 1856 · 209 km away

    2,806 deathsSevere damage ($5–24M)tsunami

  3. 1913M7.8

    Sangihe Island

    14 Mar 1913 · 25 km away · intensity IX

    138 deathsModerate damage ($1–5M)tsunami

  4. 2026M7.8

    Mindanao: S; Indonesia

    7 Jun 2026 · 147 km away · intensity VIII

    107 deaths$25 million damagetsunami

  5. 1928M7.4

    Cotabato,N Coast Of Illana Bay

    19 Dec 1928 · 277 km away · intensity VII

    97 deathsModerate damage ($1–5M)tsunami

  6. 1918M8.3

    Mindanao: Cotabato

    15 Aug 1918 · 262 km away · intensity X

    52 deathsSevere damage ($5–24M)tsunami

NOAA NCEI Global Significant Earthquake Database. Historical figures are estimates; older records are incomplete.

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