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M1.8 Depth: 31.3 km

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

UTC time: 2026-08-21 02:47:49 UTC Local time: —

About this earthquake

A magnitude M1.8 earthquake was recorded near Hawaiʻi County, Hawaii (United States) on August 21, 2026 at 02:47 UTC. The hypocenter lay relatively close to the surface at around 31 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: 206 earthquakes were recorded in the past 24 hours, the strongest reaching M3.7.

Map

Depth profile

Depth profile Depth: 31.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 31.3 km
Shallow
31.3 km
31.3 km — deeper than the regional average (15.4 km)
Regional average: 15.4 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

  • Mauna Loa
    Distance: 35 km ·Shield ·Elevation: 4'170 m ·Last eruption: 2022 ·United States
  • Kilauea ADVISORY · YELLOW
    Distance: 36 km ·Shield ·Elevation: 1'222 m ·Last eruption: 2026 ·United States
  • Kamaehuakanaloa
    Distance: 37 km ·Shield ·Elevation: -975 m ·Last eruption: 1996 ·United States
  • Hualalai
    Distance: 69 km ·Shield ·Elevation: 2'523 m ·Last eruption: 1801 ·United States
  • Mauna Kea
    Distance: 72 km ·Shield ·Elevation: 4'205 m ·Last eruption: -2460 ·United States
  • Haleakala
    Distance: 188 km ·Shield ·Elevation: 3'053 m ·Last eruption: 1750 ·United States

Historic earthquake map · United States

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Country statistics · United States

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

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