Back to map
United States · Alaska

M2.3 Earthquake near Unorganized Borough, Alaska (United States)

UTC time: 2026-07-15 21:42:43 UTC Local time: —

Map

About this earthquake

On July 15, 2026 at 21:42 UTC, a magnitude M2.3 earthquake occurred near Unorganized Borough, Alaska (United States). The hypocenter lay relatively close to the surface at around 61 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 158 earthquakes, the strongest at M3.3.

Depth profile

Depth profile Depth: 60.7 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 60.7 km
Shallow
60.7 km
60.7 km — deeper than the regional average (15.3 km)
Regional average: 15.3 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

Volcanoes nearby

  • Semisopochnoi
    Distance: 62 km ·Stratovolcano ·Elevation: 1'221 m ·Last eruption: 2023 ·United States
  • Little Sitkin
    Distance: 85 km ·Stratovolcano ·Elevation: 1'174 m ·Last eruption: 1830 ·United States
  • Davidof
    Distance: 97 km ·Stratovolcano ·Elevation: 328 m ·United States
  • Segula
    Distance: 111 km ·Stratovolcano ·Elevation: 1'160 m ·United States
  • Kiska
    Distance: 146 km ·Stratovolcano ·Elevation: 1'220 m ·Last eruption: 1990 ·United States
  • Buldir
    Distance: 261 km ·Stratovolcano ·Elevation: 656 m ·United States

Alaska

Context for this earthquake

07 Sep 2025 – 07 Sep 2026 · M ≥ 2.0 · 4,083 Catalogue entries

Of 4,082 other entries for this area and period, 1,951 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

Historic earthquake map · United States

Open history map
Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · United States

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

Share