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M1.8 Depth: 27.7 km

M1.8 Earthquake near Hawaiʻi County, Hawaii (United States)

UTC time: 2026-07-21 04:09:40 UTC Local time: —

About this earthquake

A magnitude M1.8 earthquake was recorded near Hawaiʻi County, Hawaii (United States) on July 21, 2026 at 04:09 UTC. With a focal depth of about 28 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: 176 earthquakes were recorded in the past 24 hours, the strongest reaching M3.1.

Map

Depth profile

Depth profile Depth: 27.7 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 27.7 km
Shallow
27.7 km
27.7 km — deeper than the regional average (15.6 km)
Regional average: 15.6 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

  • Kama'ehuakanaloa
    Distance: 35 km ·Shield ·Elevation: -975 m ·Last eruption: 1996 ·United States
  • Kilauea ADVISORY · YELLOW
    Distance: 35 km ·Shield ·Elevation: 1'222 m ·Last eruption: 2026 ·United States
  • Mauna Loa
    Distance: 37 km ·Shield ·Elevation: 4'170 m ·Last eruption: 2022 ·United States
  • Hualalai
    Distance: 72 km ·Shield ·Elevation: 2'523 m ·Last eruption: 1801 ·United States
  • Mauna Kea
    Distance: 73 km ·Shield ·Elevation: 4'205 m ·Last eruption: -2460 ·United States
  • Haleakala
    Distance: 190 km ·Shield ·Elevation: 3'053 m ·Last eruption: 1750 ·United States

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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