3.6

Earthquake Details: 87 km SE of Unalaska, Alaska

Oct 19, 2026, 19:54:48

Depth
18 km
Felt reports
No data
Source: USGSUpdated: Oct 19, 2026, 11:41 PM UTC

A magnitude 3.6 earthquake occurred on Oct 19, 2026 at 19:54:48. Epicenter: 87 km SE of Unalaska, Alaska. Reported depth: 18 km.

Tsunami information

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Time & depth

Local time
Oct 19, 2026, 08:54:48 GMT-11
UTC
Oct 19, 2026, 19:54:48 UTC
18 km · Shallow-focus

Less than 70 km deep. Shaking is often stronger near the epicentre.

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Nearby earthquakes · 12
M3.735 km SW of False Pass, AlaskaBeforeM3.072 km SE of Akutan, AlaskaBeforeM3.886 km SSW of Unalaska, AlaskaBeforeM4.0161 km S of Nikolski, AlaskaBeforeM3.346 km WSW of Ivanof Bay, AlaskaBeforeM3.7123 km SSW of Nikolski, AlaskaBeforeM5.081 km S of Sand Point, AlaskaAfterM3.1177 km W of Nikolski, AlaskaAfterM4.0195 km SE of Akutan, AlaskaAfterM4.5158 km S of False Pass, AlaskaAfterM3.2159 km S of False Pass, AlaskaAfterM3.3151 km S of False Pass, AlaskaAfter

Agency measurements

Agencies may use different observations and magnitude scales, and initial estimates can change.

  • USGSM 3.6

    aka2026utafkf

    Depth:
    18 km
    Time:
    Updated:
    Oct 19, 2026, 11:41 PM UTC

Technical Details

Depth18 km
Significance199
Latitude53.3070
Longitude-165.6190
Event IDaka2026utafkf
Magnitude3.6
Updated:Oct 19, 2026, 23:41:56 UTC

Regional Seismicity

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External Resources

View on USGS Official Site

Earthquake information is automatically aggregated from the official seismic agencies listed below. Preliminary measurements can change as agencies review an event; use local emergency authorities for safety decisions. Latest successful data update: Oct 19, 2026, 23:41 UTC.

Data sources: