Updated 2026-09-08 12:23:44 UTC

M 1.0 — 23 km ESE of Knik River, Alaska

Magnitude 1.0, depth 41.8 km, 2026-09-08 12:22:39 UTC.

MagnitudeM 1.0
Depth41.8 km
Felt reports—
Statusautomatic
TsunamiNo
Quake Pulse Activity Index

Activity trend

A high index means recent activity is high relative to the selected historical baseline. It does not mean that a larger earthquake is about to occur.

Quake Pulse Activity Index84/100Elevated
Current 30 days18
Historical monthly median11.0
Historical percentileP84
M5+ in 30 days6
M6+ in 30 days0
Activity trendabove the historical median (+64%)
Baseline months: 60Last calculation: 2026-09-03 06:17:39How the index works →
Quake Pulse

What to know

A short factual reading of this event from the available observations.

  • Magnitude M 1.0 at 41.8 km depth.
Counts describe detected earthquakes and are not a forecast or hazard assessment.
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Within the Quake Pulse database

Long-term comparisons are more robust at higher magnitudes because small-earthquake detection capability has changed over time.

Magnitude rank in database#202,632
Magnitude rank in country#18,191
M4.5+ within 250 km, ±15 days0
Quake Pulse

Impact and context

Descriptive indicators available for this event and its surroundings.

0/100Limited context
Felt reports—
Max felt intensity (CDI)—
Instrumental intensity (MMI)—
PAGER alertNot available
Tsunami indicator—
USGS significance15
Depth contextShallow
Nearby major city—
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These indicators describe data available after detection. They are neither a forecast nor a direct estimate of damage or individual risk.

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Around this epicenter

Nearby events observed around this epicenter. Spatial proximity does not necessarily mean they belong to the same sequence.

M 1.0 · 23 km ESE of Knik River, Alaska · 100 kmInteractive 3D view of earthquakes within 100 km of M 1.0 · 23 km ESE of Knik River, Alaska.M 1.0 · 23 km ESE of Knik River, AlaskaM 1.1 · 30 km WNW of Tatitlek, Alaska · 82.3 kmM 1.2 · 44 km WNW of Valdez, Alaska · 74.3 kmM 1.0 · 66 km NE of Whittier, Alaska · 43.0 kmM 1.6 · 15 km NNW of Fishhook, Alaska · 72.5 kmM 2.3 · 20 km SW of Hope, Alaska · 99.4 kmM 1.8 · 39 km NNW of Glacier View, Alaska · 88.4 kmM 1.4 · 51 km NNE of Chickaloon, Alaska · 98.1 kmM 1.8 · 8 km SW of Anchorage, Alaska · 82.8 kmM 1.8 · 24 km S of Eureka Roadhouse, Alaska · 78.4 kmM 1.7 · 9 km WNW of Point MacKenzie, Alaska · 86.5 kmM 2.2 · 8 km W of Willow, Alaska · 98.1 kmM 1.5 · 4 km SW of Willow, Alaska · 92.1 kmM 3.4 · 4 km NE of Big Lake, Alaska · 76.8 kmM 1.9 · 3 km SE of Houston, Alaska · 72.5 kmM 1.8 · 49 km WNW of Valdez, Alaska · 73.5 kmM 0.9 · 5 km NW of Farm Loop, Alaska · 50.3 kmM 1.8 · 49 km NNW of Valdez, Alaska · 97.1 kmM 2.4 · 10 km NW of Big Lake, Alaska · 86.8 kmM 2.0 · 45 km NW of Tatitlek, Alaska · 72.2 kmM 2.0 · 26 km WNW of Tatitlek, Alaska · 86.7 kmM 3.5 · 32 km N of Fishhook, Alaska · 83.1 kmM 2.1 · 36 km NNW of Valdez, Alaska · 97.9 kmM 1.2 · 21 km NNE of Chickaloon, Alaska · 68.4 kmM 1.5 · 40 km N of Chickaloon, Alaska · 87.5 kmM 1.3 · 44 km NW of Tatitlek, Alaska · 72.3 kmM 1.4 · 20 km ENE of Willow, Alaska · 81.8 kmM 2.1 · 23 km N of Chickaloon, Alaska · 71.2 kmM 1.6 · 44 km WNW of Valdez, Alaska · 74.5 kmM 2.2 · 24 km N of Chickaloon, Alaska · 72.2 kmM 1.6 · 14 km WSW of Anchorage, Alaska · 90.9 kmM 1.6 · 49 km SSE of Eureka Roadhouse, Alaska · 88.0 kmM 1.9 · 30 km NNE of Chickaloon, Alaska · 77.2 kmM 2.1 · 9 km W of Point MacKenzie, Alaska · 88.2 kmM 2.0 · 24 km SSW of Anchorage, Alaska · 93.7 kmM 1.7 · 43 km NW of Tatitlek, Alaska · 73.4 kmM 1.1 · 42 km NW of Tatitlek, Alaska · 73.0 kmM 2.1 · 8 km NW of Houston, Alaska · 83.3 kmM 3.1 · 26 km N of Glacier View, Alaska · 88.4 kmM 2.5 · 7 km WSW of Willow, Alaska · 97.0 kmM 1.4 · 38 km NW of Tatitlek, Alaska · 75.3 kmM 1.6 · 45 km NNW of Chickaloon, Alaska · 92.0 kmM 1.1 · 12 km W of Fishhook, Alaska · 66.5 kmM 1.9 · 6 km ENE of Big Lake, Alaska · 73.8 kmM 1.8 · 19 km SW of Point MacKenzie, Alaska · 95.2 kmM 2.1 · 7 km WNW of Houston, Alaska · 82.7 kmM 1.3 · 12 km WNW of Glacier View, Alaska · 65.4 kmM 1.6 · 13 km NE of Glacier View, Alaska · 80.1 kmM 2.1 · 20 km SSW of Sunrise, Alaska · 92.8 kmM 1.5 · 8 km SSE of Elmendorf Air Force Base, Alaska · 59.6 kmM 2.1 · 25 km SE of Chickaloon, Alaska · 35.1 kmM 0.9 · 17 km ENE of Chickaloon, Alaska · 57.0 kmM 2.0 · 7 km SW of Willow, Alaska · 94.1 kmM 1.9 · 7 km N of Hope, Alaska · 73.7 kmM 1.7 · 12 km NE of Willow, Alaska · 86.1 kmM 1.2 · 5 km S of Fishhook, Alaska · 52.0 kmM 2.9 · 16 km NW of Fishhook, Alaska · 72.9 kmM 2.1 · 21 km SW of Anchorage, Alaska · 94.8 kmM 2.1 · 11 km ESE of Chickaloon, Alaska · 46.2 kmM 2.3 · 6 km W of Houston, Alaska · 81.9 kmM 2.2 · 3 km NNE of Houston, Alaska · 75.0 kmM 2.1 · 26 km SSE of Chickaloon, Alaska · 27.2 kmM 2.3 · 3 km ENE of Big Lake, Alaska · 75.6 kmM 1.5 · 20 km NW of Glacier View, Alaska · 71.5 kmM 2.2 · 4 km ESE of Big Lake, Alaska · 74.3 kmM 2.0 · 7 km WNW of Point MacKenzie, Alaska · 84.7 kmM 2.0 · 21 km NE of Moose Pass, Alaska · 87.5 kmM 2.0 · 12 km SW of Big Lake, Alaska · 87.4 kmM 1.5 · 5 km S of Point MacKenzie, Alaska · 79.2 kmM 1.7 · 10 km N of Meadow Lakes, Alaska · 69.4 kmM 1.3 · 16 km SSE of Susitna North, Alaska · 97.8 kmM 3.7 · 14 km SSE of Susitna North, Alaska · 99.5 kmM 1.8 · 11 km ESE of Susitna, Alaska · 96.9 kmM 1.3 · 18 km N of Fishhook, Alaska · 71.7 kmM 2.2 · 30 km NW of Valdez, Alaska · 94.4 kmM 1.9 · 55 km WNW of Valdez, Alaska · 64.2 kmM 1.5 · 50 km SE of Knik River, Alaska · 27.5 kmM 2.6 · 3 km WNW of Big Lake, Alaska · 81.8 kmM 1.6 · 12 km NW of Eureka Roadhouse, Alaska · 93.6 kmM 2.4 · 6 km NNW of Houston, Alaska · 80.1 kmM 1.4 · 11 km N of Glacier View, Alaska · 75.3 kmM 1.3 · 32 km NNW of Valdez, Alaska · 97.9 kmM 1.5 · 24 km SE of Chickaloon, Alaska · 37.0 kmM 2.3 · 15 km N of Chickaloon, Alaska · 63.2 kmM 2.3 · 23 km W of Hope, Alaska · 99.9 kmM 1.4 · 3 km NNW of Knik, Alaska · 67.4 kmM 1.4 · 26 km SSE of Chickaloon, Alaska · 26.1 kmM 1.7 · 20 km SW of Hope, Alaska · 99.4 kmM 2.8 · 10 km SE of Anchorage, Alaska · 71.9 kmM 2.0 · 4 km NW of Big Lake, Alaska · 82.5 kmM 2.2 · 27 km N of Chickaloon, Alaska · 75.1 kmM 1.7 · 50 km SE of Knik River, Alaska · 27.1 kmM 2.8 · 43 km S of Glacier View, Alaska · 52.5 kmM 2.5 · 46 km NNW of Valdez, Alaska · 93.5 kmM 1.7 · 29 km SSE of Chickaloon, Alaska · 21.0 kmM 1.8 · 13 km ENE of Susitna, Alaska · 98.5 kmM 2.3 · 18 km S of Girdwood, Alaska · 74.1 kmM 2.1 · 3 km SSE of Big Lake, Alaska · 77.0 kmM 1.5 · 0 km W of Fishhook, Alaska · 57.5 kmM 1.6 · 3 km WNW of Big Lake, Alaska · 82.6 kmM 0.6 · 45 km WNW of Tatitlek, Alaska · 67.7 km
M 1.0 · 23 km ESE of Knik River, Alaska100 km100 Recent earthquakes

Descriptive map centered on the epicenter; it does not represent felt intensity or risk.

Sequence context

No public sequence is currently associated with this event.

Nearby events · 100 km

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USGS data evolution

Earthquake parameters can be revised after first publication. This timeline shows versions retained by Quake Pulse.

Revisions1
Magnitude change+0.0M 1.0 → M 1.0
Depth change+0.0 km
Last update59376 min
2026-09-08 12:23:44 UTC2026-09-08 12:23:44 UTC

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