Hawaii earthquakes

M2.0 earthquake 18 km SSE of Volcano, Hawaii

A magnitude 2.0 earthquake struck 18 km SSE of Volcano, Hawaii on Fri, Aug 3, 1973, 8:18 AM HST (18:18 UTC), 1 km (0 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
2.0 (ml), micro
Local time
UTC
1973-08-03 18:18:14 UTC
Depth
0.7 km (0.4 mi), shallow
Epicenter
19.284° N, 155.188° 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 0.7 km horizontally, 1.1 km in depth
Depth from
From location
Station coverage gap
179°
Stations used
17

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 186 in the 60 days after this one and 115 in the 30 days before it.

After

The first 60 of 186.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event hv19731958. Read Sat, Sep 26, 2026, 6:08 PM UTC.