Hawaii earthquakes

M1.9 earthquake 17 km SSE of Honaunau-Napoopoo, Hawaii

A magnitude 1.9 earthquake struck 17 km SSE of Honaunau-Napoopoo, Hawaii on Fri, Feb 28, 1986, 1:13 PM HST (23:13 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M2.1 16 km S of Volcano, Hawaii. This one was a foreshock.

Honaunau-Napoopoo forecast More 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: 1.9 (ml), micro
Local time: Fri, Feb 28, 1986, 1:13 PM HST
UTC: 1986-02-28 23:13:14 UTC
Depth: 9.1 km (5.7 mi), shallow
Epicenter: 19.311° N, 155.788° 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
Depth from: From location
Station coverage gap: 129°
Stations used: 26

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 195 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 195.

Earthquakes today Hawaii earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event hv210013. Read Tue, Sep 22, 2026, 10:55 AM UTC.