Hawaii earthquakes

M3.0 earthquake 12 km NNE of P?hala, Hawaii

A magnitude 3.0 earthquake struck 12 km NNE of P?hala, Hawaii on Wed, Oct 23, 1963, 10:35 AM GMT-10 (20:35 UTC), 7 km (5 mi) below the surface.

A larger quake followed: M3.9 16 km NNE of P?hala, Hawaii. This one was a foreshock.

Pāhala forecastMore in Hawaii

Map

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

Open the live map with earthquakes

The earthquake

Magnitude
3.0 (ml), minor
Local time
UTC
1963-10-23 20:35:58 UTC
Depth
7.3 km (4.6 mi), shallow
Epicenter
19.305° N, 155.435° 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 1.6 km horizontally, 0.7 km in depth
Magnitude uncertainty
±0.24
Depth from
From location
Station coverage gap
266°, poorly surrounded by stations
Stations used
9

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 112 in the 60 days after this one and 87 in the 30 days before it.

After

The first 60 of 112.

Before

Earthquakes todayHawaii earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event hv19631007. Read Tue, Sep 22, 2026, 10:32 PM UTC.