M4.3 earthquake 102 km NW of Isangel, Vanuatu
A magnitude 4.3 earthquake struck 102 km NW of Isangel, Vanuatu on Tue, Apr 12, 1977, 6:30 PM GMT+11 (07:30 UTC), 83 km (52 mi) below the surface.
A larger quake followed: M5.2 61 km N of Isangel, Vanuatu. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.3 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1977-04-12 07:30:47 UTC
- Depth
- 83.0 km (51.6 mi), intermediate-depth
- Epicenter
- 18.793° S, 168.710° E
- Region
- Vanuatu
- 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.
- Stations used
- 18
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.685 km NNW of Isangel, Vanuatu · 18063 days ago · 224 km deep · 40 km away
- 5.261 km N of Isangel, Vanuatu · 18035 days ago · 217 km deep · 56 km away
Before
- 5.067 km NNE of Isangel, Vanuatu · 18074 days ago · 18 km deep · 95 km away
- 5.460 km NNE of Isangel, Vanuatu · 18074 days ago · 25 km deep · 98 km away
- 4.857 km NNE of Isangel, Vanuatu · 18077 days ago · 267 km deep · 85 km away
- 4.458 km N of Isangel, Vanuatu · 18095 days ago · 182 km deep · 62 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000ncc. Read Sat, Oct 3, 2026, 5:40 PM UTC.