Updated 2026-10-19 05:57:16 UTC

M 1.6 — 12 km NNW of Big Lake, Alaska

Magnitude 1.6, depth 51.2 km, 2026-10-18 09:33:09 UTC.

MagnitudeM 1.6
Depth51.2 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 1.6 at 51.2 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#196,634
Magnitude rank in country#12,306
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 significance39
Depth contextShallow
Nearby major city—
● Quake Pulse Alerts

Follow this area

Get an e-mail when a new earthquake matches your threshold.

Create an alert →

These indicators describe data available after detection. They are neither a forecast nor a direct estimate of damage or individual risk.

Quake Pulse

Around this epicenter

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

M 1.6 · 12 km NNW of Big Lake, Alaska · 250 kmInteractive 3D view of earthquakes within 250 km of M 1.6 · 12 km NNW of Big Lake, Alaska.M 1.6 · 12 km NNW of Big Lake, AlaskaM 0.7 · 62 km ENE of Pedro Bay, Alaska · 240.5 kmM 1.6 · 44 km WNW of Valdez, Alaska · 160.8 kmM 1.9 · 66 km WNW of Happy Valley, Alaska · 230.7 kmM 2.2 · 57 km SSW of Cantwell, Alaska · 148.3 kmM 2.0 · 60 km NNW of Petersville, Alaska · 163.9 kmM 1.9 · 43 km SW of Chenega, Alaska · 212.3 kmM 1.1 · 55 km N of Chickaloon, Alaska · 113.3 kmM 1.0 · 1 km ESE of Buffalo Soapstone, Alaska · 53.3 kmM 1.9 · 72 km N of Chickaloon, Alaska · 124.5 kmM 0.5 · 71 km WNW of Beluga, Alaska · 121.4 kmM 0.7 · 45 km ESE of Knik River, Alaska · 108.8 kmM 1.5 · 37 km E of Bear Creek, Alaska · 177.2 kmM 1.8 · 36 km NW of Chenega, Alaska · 170.3 kmM 1.7 · 27 km SSW of Petersville, Alaska · 87.6 kmM 1.9 · 32 km ESE of Skwentna, Alaska · 49.1 kmM 2.4 · 72 km NNE of Petersville, Alaska · 169.5 kmM 1.4 · 66 km WNW of Beluga, Alaska · 116.5 kmM 1.4 · 43 km SSE of Nelchina, Alaska · 190.3 kmM 0.6 · 51 km E of Port Alsworth, Alaska · 236.7 kmM 1.7 · 29 km NNW of Petersville, Alaska · 133.6 kmM 2.0 · 23 km NW of Fishhook, Alaska · 42.3 kmM 0.2 · 74 km NW of Ninilchik, Alaska · 190.4 kmM 0.3 · 76 km NW of Ninilchik, Alaska · 196.9 kmM 1.5 · 13 km S of Trapper Creek, Alaska · 64.6 kmM 2.2 · 60 km NNE of Chase, Alaska · 150.6 kmM 0.9 · 33 km WNW of Anchor Point, Alaska · 231.6 kmM 0.7 · 80 km NW of Ninilchik, Alaska · 196.4 kmM 0.5 · 65 km WNW of Beluga, Alaska · 120.2 kmM 0.5 · 74 km NW of Ninilchik, Alaska · 191.7 kmM 1.7 · 11 km NW of Ninilchik, Alaska · 192.2 kmM 1.7 · 3 km WNW of Funny River, Alaska · 129.8 kmM 1.6 · 17 km S of Eureka Roadhouse, Alaska · 151.5 kmM 0.7 · 53 km ENE of Pedro Bay, Alaska · 248.5 kmM 1.1 · 22 km ENE of Cantwell, Alaska · 218.3 kmM 1.9 · 10 km S of Funny River, Alaska · 140.3 kmM 1.2 · 32 km WNW of Happy Valley, Alaska · 211.7 kmM 1.7 · 15 km N of Meadow Lakes, Alaska · 28.2 kmM 2.2 · 13 km W of Nikiski, Alaska · 128.8 kmM 2.5 · 70 km E of Port Alsworth, Alaska · 220.3 kmM 2.0 · 29 km ESE of Susitna North, Alaska · 61.9 kmM 1.7 · 64 km E of Cantwell, Alaska · 239.9 kmM 1.8 · 19 km ESE of Clam Gulch, Alaska · 172.3 kmM 1.7 · 8 km NW of Big Lake, Alaska · 4.2 kmM 1.6 · 64 km WNW of Anchor Point, Alaska · 236.6 kmM 1.7 · 8 km ESE of Talkeetna, Alaska · 74.0 kmM 1.8 · 26 km NW of Fishhook, Alaska · 39.6 kmM 1.8 · 9 km SSE of Soldotna, Alaska · 144.4 kmM 1.2 · 49 km E of Port Alsworth, Alaska · 240.7 kmM 1.2 · 41 km WNW of Nikiski, Alaska · 137.2 kmM 1.8 · 29 km W of Susitna, Alaska · 54.0 kmM 0.6 · 59 km WNW of Beluga, Alaska · 117.1 kmM 1.9 · 45 km NNW of Petersville, Alaska · 149.5 kmM 1.9 · 8 km SE of Talkeetna, Alaska · 73.2 kmM 1.0 · 30 km SSE of Chickaloon, Alaska · 91.2 kmM 1.1 · 51 km W of Happy Valley, Alaska · 227.6 kmM 1.6 · 46 km NE of Port Alsworth, Alaska · 233.6 kmM 1.9 · 4 km NNE of Susitna North, Alaska · 66.0 kmM 1.6 · 44 km WNW of Anchor Point, Alaska · 236.3 kmM 2.0 · 28 km NE of Chase, Alaska · 114.6 kmM 1.1 · 23 km SSW of Glacier View, Alaska · 117.2 kmM 1.6 · 14 km WSW of Tyonek, Alaska · 98.2 kmM 0.6 · 40 km SSE of Knik River, Alaska · 96.5 kmM 1.9 · 7 km NE of Kenai, Alaska · 127.5 kmM 2.0 · 20 km N of Moose Pass, Alaska · 110.9 kmM 0.7 · 66 km WNW of Tyonek, Alaska · 129.3 kmM 2.3 · 40 km W of Petersville, Alaska · 129.5 kmM 1.1 · 51 km WNW of Happy Valley, Alaska · 217.8 kmM 0.7 · 66 km E of Port Alsworth, Alaska · 234.6 kmM 1.8 · 42 km E of Chase, Alaska · 103.2 kmM 1.8 · 59 km SE of Denali National Park, Alaska · 177.7 kmM 0.4 · 64 km ENE of Pedro Bay, Alaska · 239.8 kmM 1.7 · 34 km NW of Ninilchik, Alaska · 184.5 kmM 1.4 · 48 km W of Ninilchik, Alaska · 212.9 kmM 1.7 · 32 km W of Anchor Point, Alaska · 243.3 kmM 2.0 · 58 km NNW of Petersville, Alaska · 162.2 kmM 1.9 · 13 km WNW of Susitna, Alaska · 35.6 kmM 2.2 · 50 km ESE of Halibut Cove, Alaska · 237.3 kmM 1.8 · 30 km NW of Tatitlek, Alaska · 170.6 kmM 1.6 · 18 km N of Skwentna, Alaska · 94.3 kmM 1.1 · 55 km E of Whittier, Alaska · 160.0 kmM 1.5 · 26 km ENE of Susitna North, Alaska · 75.5 kmM 2.8 · 58 km WNW of Happy Valley, Alaska · 225.8 kmM 3.1 · 48 km ESE of Halibut Cove, Alaska · 235.1 kmM 3.8 · 49 km ESE of Halibut Cove, Alaska · 236.3 kmM 2.2 · 44 km SE of Fox River, Alaska · 229.7 kmM 1.0 · 58 km NW of Ninilchik, Alaska · 191.0 kmM 1.4 · 32 km WNW of Petersville, Alaska · 129.6 kmM 1.7 · 3 km ENE of Big Lake, Alaska · 12.9 kmM 2.1 · 30 km SSW of Denali National Park, Alaska · 206.4 kmM 2.1 · 16 km E of Point Possession, Alaska · 79.0 kmM 0.7 · 55 km WNW of Tyonek, Alaska · 117.6 kmM 2.4 · 26 km SSW of Petersville, Alaska · 85.7 kmM 1.6 · 38 km NW of Ninilchik, Alaska · 182.9 kmM 2.0 · 15 km E of Point Possession, Alaska · 79.9 kmM 1.3 · 40 km W of Nikiski, Alaska · 145.2 kmM 1.5 · 49 km SSE of Nelchina, Alaska · 193.6 kmM 0.6 · 63 km ENE of Pedro Bay, Alaska · 240.0 kmM 2.5 · 47 km N of Petersville, Alaska · 150.3 kmM 1.8 · 49 km WSW of Skwentna, Alaska · 120.2 kmM 3.8 · 41 km NNE of Petersville, Alaska · 139.1 km
M 1.6 · 12 km NNW of Big Lake, Alaska250 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 · 250 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 1.6 → M 1.6
Depth change+0.0 km
Last update881 min
2026-10-19 05:57:16 UTC2026-10-19 05:57:16 UTC

Explore related context

Putting this earthquake in context

An earthquake record can change after the first automatic publication as additional stations contribute data and analysts refine the solution.

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

If the earthquake creates a safety concern, follow local authorities and official warning channels rather than relying on a public data website.

Read the methodology →

Blog

Latest from the blog

Guides, explainers and practical reading to go beyond the live data.

View all articles →