Hawaii earthquakes

M4.2 earthquake 36 km NW of Volcano, Hawaii

A magnitude 4.2 earthquake struck 36 km NW of Volcano, Hawaii on Mon, Jun 8, 1964, 12:00 PM GMT-10 (22:00 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M4.4 10 km WSW of Puako, 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
4.2 (ML, local (Richter)), light
Magnitude from
Hawaiian Volcano Observatory
Local time
UTC
1964-06-08 22:00:50 UTC
Depth
9.0 km (5.6 mi), shallow
Epicenter
19.688° N, 155.471° 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, 0.9 km in depth
Magnitude uncertainty
±0.17
Depth from
From location
Station coverage gap
118°
Stations used
14

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 91 in the 60 days after this one and 44 in the 30 days before it.

After

The first 60 of 91.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event hv19640237. Read Fri, Oct 2, 2026, 2:57 AM UTC.