Hawaii earthquakes

M1.9 earthquake 17 km SW of Volcano, Hawaii

A magnitude 1.9 earthquake struck 17 km SW of Volcano, Hawaii on Fri, Jul 13, 1973, 11:55 AM HST (21:55 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M3.5 15 km SSW of Honoka‘a, 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
1.9 (ML, local (Richter)), micro
Magnitude from
Hawaiian Volcano Observatory
Local time
UTC
1973-07-13 21:55:46 UTC
Depth
2.4 km (1.5 mi), shallow
Epicenter
19.321° N, 155.333° 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 0.6 km horizontally, 1.3 km in depth
Depth from
From location
Station coverage gap
148°
Stations used
10

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 185 in the 60 days after this one and 141 in the 30 days before it.

After

The first 60 of 185.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event hv19731839. Read Thu, Oct 1, 2026, 11:23 AM UTC.