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4.3
Moderate

M 4.3 earthquake

69 km SSW of Kaktovik, Alaska

Tsunami alert issued for this event
Location
69 km SSW of Kaktovik, Alaska
Magnitude
4.3
Depth
6.60 km
Time
15/09/2026, 09:51:37
1 day ago
Coordinates
69.5420, -144.2300

Live updates

What has changed since this earthquake happened, including aftershocks within 50 km of the epicentre.

  1. 1 aftershock recorded so far

    1 aftershock has been recorded within 50 km of the epicentre since the mainshock, the strongest a magnitude 2.4. Aftershocks are expected to continue and to decay in frequency over the following days.

  2. Solution reviewed by USGS

    USGS revised this solution, changing the depth from 5.2 km to 6.6 km, epicentre from 69.558, -144.292 to 69.542, -144.230 (moved 3.0 km SE), location from 68 km SSW of Kaktovik, Alaska to 69 km SSW of Kaktovik, Alaska and status from automatic to reviewed.

    Depth
    5.2 km6.6 km
    Epicentre
    69.558, -144.29269.542, -144.230(moved 3.0 km SE)
    Location
    68 km SSW of Kaktovik, Alaska69 km SSW of Kaktovik, Alaska
    Status
    automaticreviewed

  3. Solution revised by USGS

    USGS revised this solution, changing the tsunami flag from not flagged to flagged.

    Tsunami flag
    not flaggedflagged

  4. Magnitude revised from M 4.1 to M 4.3 by USGS

    USGS revised this solution, changing the magnitude from M 4.1 to M 4.3, depth from 4.0 km to 5.2 km, epicentre from 69.538, -144.201 to 69.558, -144.292 (moved 4.2 km NW) and location from 69 km SSW of Kaktovik, Alaska to 68 km SSW of Kaktovik, Alaska.

    Magnitude
    M 4.1M 4.3
    Depth
    4.0 km5.2 km
    Epicentre
    69.538, -144.20169.558, -144.292(moved 4.2 km NW)
    Location
    69 km SSW of Kaktovik, Alaska68 km SSW of Kaktovik, Alaska

  5. M 4.3 earthquake recorded near 69 km SSW of Kaktovik, Alaska

    A magnitude 4.3 earthquake struck near 69 km SSW of Kaktovik, Alaska at 7 km depth (69.542, -144.230), reported by USGS.

  6. Tsunami-capable event flagged

    This event is flagged as tsunami-capable by USGS. Check the official warning centre for your coastline for the current advisory status.

This page regenerates every few minutes while the sequence is active. Magnitudes and locations are preliminary and may be revised.

Tsunami alerts near this earthquake

Official warnings, watches and advisories currently in force for this region.

Alert status is temporarily unavailable. Check your national tsunami warning centre for the current advisory.

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