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United States · Hawaii

M2.1 Earthquake near Hawaiʻi County, Hawaii (United States)

UTC time: 2026-09-28 02:21:28 UTC Local time: —

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About this earthquake

On September 28, 2026 at 02:21 UTC, a magnitude M2.1 earthquake occurred near Hawaiʻi County, Hawaii (United States). The hypocenter lay relatively close to the surface at around 29 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 174 earthquakes, the strongest at M4.8.

Details

ID
58696fd9c8840d6266f44140b532c5c7867153b2
Magnitude
M2.1
Depth
29.3 km
UTC time
2026-09-28 02:21:28 UTC
Local time
—
Country
United States
State
Hawaii
City
Hawaiʻi County
County
Hawaiʻi County
Source
usgs
Coordinates
19.16600, -155.37801
Temperature
26.4°C

Depth profile

Depth profile Depth: 29.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 29.3 km
Shallow
29.3 km
29.3 km — deeper than the regional average (15.2 km)
Regional average: 15.2 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

Volcanoes nearby

  • Kamaehuakanaloa
    Distance: 30 km ·Shield ·Elevation: -975 m ·Last eruption: 1996 ·United States
  • Kilauea WATCH · ORANGE
    Distance: 30 km ·Shield ·Elevation: 1'222 m ·Last eruption: 2026 ·United States
  • Mauna Loa
    Distance: 42 km ·Shield ·Elevation: 4'170 m ·Last eruption: 2022 ·United States
  • Mauna Kea
    Distance: 73 km ·Shield ·Elevation: 4'205 m ·Last eruption: -2460 ·United States
  • Hualalai
    Distance: 78 km ·Shield ·Elevation: 2'523 m ·Last eruption: 1801 ·United States
  • Haleakala
    Distance: 195 km ·Shield ·Elevation: 3'053 m ·Last eruption: 1750 ·United States

Hawaii

Context for this earthquake

28 Sep 2025 – 28 Sep 2026 · M ≥ 2.0 · 1,162 Catalogue entries

Of 1,161 other entries for this area and period, 809 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

Historic earthquake map · United States

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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.

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