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M5.0 Earthquake near 80 km SSE of Sand Point, Alaska

UTC time: 2026-10-20 10:40:41 UTC Local time: —
Magnitude
M5.0
Depth
51.0 km
Source
USGS

80 km SSE of Sand Point, Alaska

Map

M5.0 Earthquake near 80 km SSE of Sand Point, Alaska · 2026-10-20 — Map showing the location of the epicenter
M5.0 Earthquake near 80 km SSE of Sand Point, Alaska · 2026-10-20 — Map showing the location of the epicenter

About this earthquake

On October 20, 2026 at 10:40 UTC, a magnitude M5.0 earthquake occurred near 80 km SSE of Sand Point, Alaska. The hypocenter lay relatively close to the surface at around 51 km, increasing how strongly it was felt. Earthquakes of this magnitude can damage poorly built structures.

The data is provided by USGS and cross-checked across seismological networks.

Details

ID
c35d126e5f7cff1fd4fc8502d0697abf23b37e15
Magnitude
M5.0
Depth
51.0 km
UTC time
2026-10-20 10:40:41 UTC
Local time
—
Country
—
Source
usgs
Coordinates
54.63400, -160.21800
Temperature
7.4°C

Depth profile

Depth profile Depth: 51 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 51 km
Shallow
51 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Official USGS aftershock forecast

Probability of at least one aftershock at or above the specified magnitude during the entire stated time window. This does not predict an individual earthquake.

Issued: Oct 20, 2026, 11:30 AM UTC · Last checked: Oct 20, 2026, 12:00 PM UTC

Oct 20, 2026, 11:40 AM UTC – Oct 21, 2026, 11:40 AM UTC
MagnitudeProbability ≥ 1Count (95% interval)
M ≥ 3.060.28 %0–22
M ≥ 4.019.28 %0–3
M ≥ 5.02.96 %0–1
M ≥ 6.00.32 %0–0
M ≥ 7.00.03 %0–0
Oct 20, 2026, 11:40 AM UTC – Oct 27, 2026, 11:40 AM UTC
MagnitudeProbability ≥ 1Count (95% interval)
M ≥ 3.073.40 %0–45
M ≥ 4.029.76 %0–5
M ≥ 5.05.61 %0–1
M ≥ 6.00.64 %0–0
M ≥ 7.00.06 %0–0
Oct 20, 2026, 11:40 AM UTC – Nov 19, 2026, 11:40 AM UTC
MagnitudeProbability ≥ 1Count (95% interval)
M ≥ 3.080.16 %0–68
M ≥ 4.037.29 %0–7
M ≥ 5.08.05 %0–1
M ≥ 6.00.97 %0–0
M ≥ 7.00.10 %0–0
Oct 20, 2026, 11:40 AM UTC – Oct 20, 2027, 11:40 AM UTC
MagnitudeProbability ≥ 1Count (95% interval)
M ≥ 3.088.11 %0–128
M ≥ 4.049.50 %0–13
M ≥ 5.013.17 %0–2
M ≥ 6.01.78 %0–0
M ≥ 7.00.19 %0–0

The range is the 95% forecast interval for the number of earthquakes. Magnitude thresholds and time windows overlap: do not add the values. Windows already in progress still refer to the entire stated period.

Source: USGS — Operational Aftershock Forecast

Estimated impact

2 Felt reports · max reported intensity 3.1

Tectonic context

Located on the North America Plate.
Near the boundary North America ↔ Pacific · about 98 km away

Nearby population centers

Distances are straight-line distances from the epicenter. Population data: GeoNames.

PlaceDistanceDirectionPopulation
Anchorage950.2 kmNE289'600

GeoNames · CC BY 4.0

Volcanoes nearby

  • Dana
    Distance: 129 km ·Stratovolcano ·Elevation: 1'354 m ·Last eruption: -1890 ·United States
  • Pavlof
    Distance: 138 km ·Stratovolcano ·Elevation: 2'493 m ·Last eruption: 2022 ·United States
  • Pavlof Sister
    Distance: 139 km ·Stratovolcano ·Elevation: 2'142 m ·United States
  • Emmons Lake Volcanic Center
    Distance: 141 km ·Caldera ·Elevation: 1'534 m ·United States
  • Stepovak Bay Group
    Distance: 143 km ·Volcanic field ·Elevation: 1'633 m ·United States
  • Dutton
    Distance: 145 km ·Stratovolcano ·Elevation: 1'465 m ·United States

Radius · 100 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Sand Point AirportUnited States · SDP · PASD
    78.1 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-10-05

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

Comparison of seismic sources

5 sources currently report magnitudes from M5.0 to M5.3.

Measurements can differ because agencies use different networks and calculation methods. Values may be revised.

SourceMagnitudeDepthPosition difference
GFZM5.310.0 km7.8 km
SERBIA_RSZM5.310.0 km13.3 km
EMSCM5.321.0 km6.3 km
RESIFM5.010.0 km22.7 km
USGSM5.051.0 km0.0 km

No unambiguous area assignment

Context for this earthquake

This event has no unambiguous country assignment in the analysed catalogue. It is therefore not assigned to a regional profile.

Earthquake overview

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#42
Earlier events M≥4119
Earlier events M≥545
Compared since2025-02-05

The QuakeMap24 comparison dataset begins on 2024-03-23. Earlier earthquakes may not be included.

Strongest earlier events

M7.32025-07-16 20:37:39 UTC18.9 km2025 Sand Point, Alaska Earthquake M7.32025-07-16 20:37:39 UTC24.8 kmALASKA PENINSULA M7.22025-07-16 20:37:43 UTC24.1 kmAlaska Peninsula M7.22025-07-16 20:37:40 UTC12.1 km87 km S of Sand Point, Alaska M7.12025-07-16 20:37:41 UTC18.9 km2025 Sand Point, Alaska Earthquake

Stats (last 24h)

Global (24h)
628
Country (24h)
—
—
Current earthquakes in
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No recent events available.

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