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M5.1 Depth: 27.2 km

M5.1 Earthquake near 210 km WSW of Adak, Alaska

UTC time: 2026-06-18 13:58:28 UTC Local time: —

About this earthquake

On June 18, 2026 at 13:58 UTC, a magnitude M5.1 earthquake occurred near 210 km WSW of Adak, Alaska. The hypocenter lay relatively close to the surface at around 27 km, increasing how strongly it was felt. Events of this size can cause damage near the epicenter.

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

Details

Magnitude
M5.1
Depth
27.2 km
UTC time
2026-06-18 13:58:28 UTC
Local time
—
Country
—
Source
usgs
Coordinates
51.33700, -179.54700
Temperature
6.1°C

Map

Depth profile

Depth profile Depth: 27.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 27.2 km
Shallow
27.2 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

Estimated impact

Green No or minimal impact expected.

Ground shaking

IV
Light · Intensity (MMI) IV
Felt by many, no damage.

Tectonic context

Located on the North America Plate.
Near the boundary North America ↔ Pacific · about 93 km away

Volcanoes nearby

  • Gareloi
    Distance: 72 km ·Stratovolcano ·Elevation: 1'573 m ·Last eruption: 1989 ·United States
  • Tanaga
    Distance: 114 km ·Stratovolcano(es) ·Elevation: 1'806 m ·Last eruption: 1914 ·United States
  • Takawangha
    Distance: 122 km ·Stratovolcano ·Elevation: 1'449 m ·Last eruption: 1550 ·United States
  • Bobrof
    Distance: 159 km ·Stratovolcano ·Elevation: 738 m ·United States
  • Kanaga
    Distance: 177 km ·Stratovolcano ·Elevation: 1'307 m ·Last eruption: 2023 ·United States
  • Moffett
    Distance: 205 km ·Stratovolcano ·Elevation: 1'196 m ·Last eruption: -1600 ·United States

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#42
Earlier events M≥4103
Earlier events M≥555
Compared since2025-01-02

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

Strongest earlier events

M6.12026-05-09 04:42:22 UTC95.0 kmRat Islands, Aleutian Islands, Alaska M6.12025-08-28 11:07:35 UTC104.4 kmRat Islands, Aleutian Islands M5.92026-05-09 04:42:25 UTC64.4 kmRat Islands, Aleutian Islands, United States [Sea: United States] M5.92026-05-09 04:42:22 UTC82.0 km292 km WSW of Adak, Alaska M5.92025-08-28 11:07:50 UTC88.1 kmRat Islands, Aleutian Islands, United States [Sea: United States]

Stats (last 24h)

Global (24h)
662
Country (24h)
—
—
Current earthquakes in
Magnitude Place Local time
No recent events available.

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