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AREAZINENotices · US CA UK AU

USGS, NRCan, GA, BGSSeptember 2026

Earthquakes in September 2026

The agencies located 1,216 earthquakes in September 2026: 1,119 in and near the U.S. (USGS, M2.5 or more), 78 in and near Canada (Earthquakes Canada, M2.5 or more), 13 in Australia (Geoscience Australia, M2.5 or more) and 6 in and around the U.K. (BGS, M1.5 or more). The largest was M6.5, 177 km W of Nikolski, Alaska, on September 17, 2026.

How strong were they?

MagnitudeEarthquakes
5.0 or more16
4.0 to 4.958
3.0 to 3.9388
2.5 to 2.9751
1.5 to 2.4 (U.K.)3

Source: USGS earthquake catalog; Earthquakes Canada; Geoscience Australia; British Geological Survey.

The largest of September 2026

DateMagnitudePlaceCountry
17 Sep 2026M6.5177 km W of Nikolski, AlaskaUnited States
3 Sep 2026M6.389 km SSW of Nikolski, AlaskaUnited States
3 Sep 2026M5.4105 km SSW of Nikolski, AlaskaUnited States
28 Sep 2026M5.4210 km WSW of Port Hardy, BCCanada
1 Sep 2026M5.390 km SSW of Nikolski, AlaskaUnited States
3 Sep 2026M5.3108 km SSW of Nikolski, AlaskaUnited States
7 Sep 2026M5.3off the coast of OregonUnited States
11 Sep 2026M5.3151 km WSW of Adak, AlaskaUnited States
2 Sep 2026M5.283 km SSW of Nikolski, AlaskaUnited States
2 Sep 2026M5.288 km SSW of Nikolski, AlaskaUnited States

Source: USGS earthquake catalog; Earthquakes Canada; Geoscience Australia; British Geological Survey.

By country

CountryAgencyEarthquakes
United StatesUSGS1,119
CanadaEarthquakes Canada78
AustraliaGeoscience Australia13
United KingdomBGS6

Source: USGS earthquake catalog; Earthquakes Canada; Geoscience Australia; British Geological Survey.

The list below holds AreaZine's notices: the U.S., Canada and Australia from April 6, 2026, the U.K. (magnitude 1.5 or more) from 5 Aug 2026. The counts above are the agencies' complete catalogues.

AreaZine's earthquake notices, September 2026

Source: U.S. Geological Survey earthquake catalog.

Other months

August 2026 · October 2026 · Latest