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M1.8 Depth: 0.4 km

M1.8 Earthquake near 4 km SW of Volcano, Hawaii (United States)

UTC time: 2025-07-21 05:14:37 UTC Local time: —

About this earthquake

On July 21, 2025 at 05:14 UTC, a magnitude M1.8 earthquake occurred near 4 km SW of Volcano, Hawaii (United States). The hypocenter lay relatively close to the surface at around 0 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 208 earthquakes, the strongest at M3.2.

Details

Magnitude
M1.8
Depth
0.4 km
UTC time
2025-07-21 05:14:37 UTC
Local time
—
Country
United States
City
Hawaii
Source
usgs
Coordinates
19.41583, -155.27100
Temperature
13.5°C

Map

Depth profile

Depth profile Depth: 0.4 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 0.4 km
Shallow
0.4 km
0.4 km — shallower 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

  • Kilauea ADVISORY · YELLOW
    Distance: 2 km ·Shield ·Elevation: 1'222 m ·Last eruption: 2026 ·United States
  • Mauna Loa
    Distance: 36 km ·Shield ·Elevation: 4'170 m ·Last eruption: 2022 ·United States
  • Mauna Kea
    Distance: 50 km ·Shield ·Elevation: 4'205 m ·Last eruption: -2460 ·United States
  • Kamaehuakanaloa
    Distance: 55 km ·Shield ·Elevation: -975 m ·Last eruption: 1996 ·United States
  • Hualalai
    Distance: 70 km ·Shield ·Elevation: 2'523 m ·Last eruption: 1801 ·United States
  • Haleakala
    Distance: 177 km ·Shield ·Elevation: 3'053 m ·Last eruption: 1750 ·United States

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.

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