Hawaii earthquakes

M3.0 earthquake 25 km WNW of Volcano, Hawaii

A magnitude 3.0 earthquake struck 25 km WNW of Volcano, Hawaii on Tue, Jul 24, 1973, 10:00 AM HST (20:00 UTC), -1 km (-1 mi) below the surface.

A larger quake followed: M4.1 7 km SSW of Volcano, Hawaii. This one was a foreshock.

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
3.0 (ML, local (Richter)), minor
Magnitude from
Hawaiian Volcano Observatory
Local time
UTC
1973-07-24 20:00:17 UTC
Depth
-0.8 km (-0.5 mi), shallow
Epicenter
19.520° N, 155.465° W
Region
Hawaii
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 0.5 km horizontally, 5.3 km in depth
Depth from
From location
Station coverage gap
80°
Stations used
29

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 191 in the 60 days after this one and 128 in the 30 days before it.

After

The first 60 of 191.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event hv19731891. Read Fri, Oct 2, 2026, 8:36 AM UTC.