Hawaii earthquakes

M3.0 earthquake 34 km SSE of Volcano, Hawaii

A magnitude 3.0 earthquake struck 34 km SSE of Volcano, Hawaii on Thu, Oct 4, 1973, 5:53 PM HST (03:53 UTC), 18 km (11 mi) below the surface.

A larger quake followed: M4.8 12 km SSW of Volcano, Hawaii. This one was a foreshock.

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Map

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
1973-10-05 03:53:21 UTC
Depth
18.1 km (11.3 mi), shallow
Epicenter
19.149° N, 155.114° 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 1.1 km horizontally, 2.1 km in depth
Depth from
From location
Station coverage gap
220°, poorly surrounded by stations
Stations used
32

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 105 in the 30 days before it.

After

The first 60 of at least 199.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event hv19732387. Read Fri, Oct 2, 2026, 2:30 PM UTC.