Updated 2026-09-22 03:55:27 UTC

M 0.5 — 56 km SSW of Skwentna, Alaska

Magnitude 0.5, depth 14.5 km, 2026-09-21 16:31:11 UTC.

MagnitudeM 0.5
Depth14.5 km
Felt reports—
Statusreviewed
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 0.5 at 14.5 km depth.
Counts describe detected earthquakes and are not a forecast or hazard assessment.
Quake Pulse

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#205,469
Magnitude rank in country#21,310
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 significance3
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 0.5 · 56 km SSW of Skwentna, Alaska · 100 kmInteractive 3D view of earthquakes within 100 km of M 0.5 · 56 km SSW of Skwentna, Alaska.M 0.5 · 56 km SSW of Skwentna, AlaskaM 1.5 · 30 km W of Tyonek, Alaska · 54.0 kmM 1.8 · 24 km SW of Susitna, Alaska · 54.7 kmM 1.7 · 40 km WNW of Tyonek, Alaska · 40.7 kmM 1.8 · 21 km WNW of Beluga, Alaska · 40.8 kmM 1.8 · 61 km W of Tyonek, Alaska · 60.1 kmM 2.4 · 56 km WNW of Nikiski, Alaska · 80.8 kmM 2.2 · 38 km WNW of Skwentna, Alaska · 69.8 kmM 3.1 · 28 km WNW of Nikiski, Alaska · 78.5 kmM -0.3 · 84 km W of Tyonek, Alaska · 55.5 kmM 2.8 · 5 km WSW of Willow, Alaska · 94.1 kmM 1.5 · 63 km W of Skwentna, Alaska · 72.5 kmM -0.6 · 57 km WNW of Tyonek, Alaska · 34.8 kmM 1.6 · 55 km WNW of Skwentna, Alaska · 84.4 kmM 1.9 · 27 km E of Skwentna, Alaska · 73.6 kmM 1.4 · 25 km SSE of Skwentna, Alaska · 43.2 kmM 1.1 · 65 km WNW of Beluga, Alaska · 29.6 kmM 1.3 · 43 km WNW of Tyonek, Alaska · 37.8 kmM 1.9 · 14 km NNE of Skwentna, Alaska · 70.8 kmM 1.6 · 25 km NE of Beluga, Alaska · 66.4 kmM -0.6 · 57 km WNW of Beluga, Alaska · 26.0 kmM 1.3 · 59 km W of Tyonek, Alaska · 45.0 kmM 0.5 · 67 km WNW of Tyonek, Alaska · 37.2 kmM 1.1 · 39 km NW of Beluga, Alaska · 21.9 kmM 1.8 · 16 km W of Willow, Alaska · 83.5 kmM 1.3 · 66 km WNW of Nikiski, Alaska · 82.0 kmM 1.2 · 20 km SSW of Skwentna, Alaska · 36.7 kmM 1.2 · 29 km NNE of Skwentna, Alaska · 85.7 kmM 1.7 · 11 km SSE of Tyonek, Alaska · 76.5 kmM 1.7 · 10 km WSW of Susitna, Alaska · 63.6 kmM 1.3 · 99 km ENE of Lime Village, Alaska · 93.0 kmM -0.3 · 65 km W of Tyonek, Alaska · 61.7 kmM 0.0 · 90 km W of Tyonek, Alaska · 63.9 kmM 0.6 · 63 km NW of Beluga, Alaska · 8.8 kmM 0.6 · 44 km S of Skwentna, Alaska · 24.8 kmM -0.8 · 68 km WNW of Tyonek, Alaska · 35.7 kmM 1.0 · 72 km WNW of Tyonek, Alaska · 46.0 kmM 2.3 · 28 km SW of Susitna, Alaska · 51.1 kmM 1.7 · 25 km SSW of Susitna, Alaska · 67.9 kmM 0.4 · 58 km WNW of Tyonek, Alaska · 35.4 kmM 1.7 · 9 km WNW of Point MacKenzie, Alaska · 93.7 kmM 1.6 · 27 km SW of Susitna, Alaska · 51.8 kmM 1.8 · 44 km SSW of Skwentna, Alaska · 15.8 kmM -0.6 · 57 km WNW of Beluga, Alaska · 26.4 kmM 2.2 · 8 km W of Willow, Alaska · 92.0 kmM 1.9 · 28 km SSW of Skwentna, Alaska · 28.6 kmM 1.5 · 4 km SW of Willow, Alaska · 96.6 kmM 1.6 · 15 km N of Skwentna, Alaska · 69.8 kmM 2.4 · 49 km SSW of Skwentna, Alaska · 15.4 kmM -0.5 · 61 km W of Tyonek, Alaska · 44.4 kmM -0.6 · 63 km WNW of Tyonek, Alaska · 43.5 kmM 1.9 · 31 km WNW of Willow, Alaska · 76.6 kmM 1.5 · 12 km SW of Tyonek, Alaska · 67.6 kmM 0.6 · 49 km WNW of Tyonek, Alaska · 41.0 kmM 2.9 · 45 km WNW of Beluga, Alaska · 20.4 kmM 0.0 · 56 km WNW of Tyonek, Alaska · 34.9 kmM 1.7 · 29 km WNW of Tyonek, Alaska · 45.4 kmM 1.7 · 102 km W of Skwentna, Alaska · 98.9 kmM 2.1 · 33 km N of Beluga, Alaska · 39.4 kmM 2.4 · 10 km NW of Big Lake, Alaska · 95.7 kmM -0.1 · 57 km W of Tyonek, Alaska · 52.8 kmM 1.8 · 38 km WSW of Tyonek, Alaska · 60.5 kmM 1.6 · 78 km WSW of Skwentna, Alaska · 58.0 kmM 2.1 · 63 km WNW of Tyonek, Alaska · 34.3 kmM 2.6 · 9 km NE of Skwentna, Alaska · 65.6 kmM 1.8 · 21 km S of Skwentna, Alaska · 38.5 kmM 0.7 · 64 km WNW of Beluga, Alaska · 30.3 kmM 1.0 · 72 km WNW of Beluga, Alaska · 26.2 kmM 0.6 · 66 km WNW of Beluga, Alaska · 31.2 kmM 1.6 · 14 km WSW of Anchorage, Alaska · 98.5 kmM 1.8 · 11 km SE of Tyonek, Alaska · 76.5 kmM 1.7 · 23 km E of Skwentna, Alaska · 71.5 kmM 2.1 · 9 km W of Point MacKenzie, Alaska · 93.1 kmM -0.4 · 58 km WNW of Beluga, Alaska · 25.3 kmM 2.1 · 8 km NNE of Susitna, Alaska · 75.8 kmM 1.9 · 43 km SW of Skwentna, Alaska · 15.9 kmM 3.2 · 35 km WSW of Skwentna, Alaska · 34.4 kmM 1.7 · 31 km WNW of Willow, Alaska · 80.6 kmM 0.8 · 60 km W of Tyonek, Alaska · 58.6 kmM 1.3 · 53 km WNW of Skwentna, Alaska · 80.3 kmM -0.2 · 64 km W of Tyonek, Alaska · 49.2 kmM -0.1 · 41 km WNW of Beluga, Alaska · 33.5 kmM 2.4 · 24 km ENE of Beluga, Alaska · 75.9 kmM 0.9 · 63 km WNW of Nikiski, Alaska · 67.2 kmM 1.9 · 20 km WSW of Tyonek, Alaska · 64.7 kmM 2.5 · 7 km WSW of Willow, Alaska · 92.5 kmM 0.7 · 44 km NNW of Beluga, Alaska · 26.9 kmM -0.5 · 70 km WNW of Tyonek, Alaska · 36.7 kmM -0.8 · 68 km WNW of Tyonek, Alaska · 37.4 kmM 1.5 · 57 km W of Salamatof, Alaska · 97.5 kmM 0.4 · 69 km WNW of Tyonek, Alaska · 36.4 kmM -0.7 · 69 km WNW of Tyonek, Alaska · 37.2 kmM 2.1 · 63 km SW of Skwentna, Alaska · 21.7 kmM 0.6 · 43 km NNW of Beluga, Alaska · 27.2 kmM 1.9 · 15 km NNW of Skwentna, Alaska · 66.0 kmM 1.8 · 19 km SW of Point MacKenzie, Alaska · 90.8 kmM 1.3 · 34 km E of Skwentna, Alaska · 79.9 kmM -0.4 · 70 km WNW of Tyonek, Alaska · 36.1 kmM 2.7 · 23 km SSW of Susitna, Alaska · 69.1 kmM 1.9 · 42 km W of Susitna, Alaska · 30.7 kmM -0.6 · 70 km WNW of Tyonek, Alaska · 35.8 km
M 0.5 · 56 km SSW of Skwentna, 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

Quake Pulse

USGS data evolution

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

Revisions1
Magnitude change+0.0M 0.5 → M 0.5
Depth change+0.0 km
Last update27068 min
2026-09-22 03:55:27 UTC2026-09-22 03:55:27 UTC

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Putting this earthquake in context

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Interpret the numbers

Magnitude, depth, felt reports and status describe different parts of the event. None of them alone predicts the consequences for a specific city.

Important limits

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