M4.9 earthquake 99 km SE of Isangel, Vanuatu
A magnitude 4.9 earthquake struck 99 km SE of Isangel, Vanuatu on Thu, Aug 12, 1976, 8:39 PM GMT+11 (09:39 UTC), 30 km (19 mi) below the surface.
A larger quake followed: M5.7 96 km S 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
- 4.9 (mb), light
- Local time
- UTC
- 1976-08-12 09:39:27 UTC
- Depth
- 30.0 km (18.6 mi), shallow
- Epicenter
- 20.157° S, 169.980° 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
- 26
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 1 in the 60 days after this one and 14 in the 30 days before it.
After
Before
- 5.1120 km S of Isangel, Vanuatu · 18304 days ago · 60 km deep · 93 km away
- 4.853 km SE of Isangel, Vanuatu · 18307 days ago · 38 km deep · 48 km away
- 5.0127 km S of Isangel, Vanuatu · 18313 days ago · 51 km deep · 93 km away
- 6.9118 km S of Isangel, Vanuatu · 18313 days ago · 52 km deep · 89 km away
- 4.6113 km SE of Isangel, Vanuatu · 18316 days ago · 33 km deep · 14 km away
- 5.078 km SE of Isangel, Vanuatu · 18317 days ago · 27 km deep · 22 km away
- 4.696 km SE of Isangel, Vanuatu · 18317 days ago · 48 km deep · 14 km away
- 4.9117 km SE of Isangel, Vanuatu · 18318 days ago · 27 km deep · 20 km away
- 5.0100 km SE of Isangel, Vanuatu · 18318 days ago · 36 km deep · 12 km away
- 4.992 km SE of Isangel, Vanuatu · 18318 days ago · 58 km deep · 19 km away
- 4.2125 km SE of Isangel, Vanuatu · 18318 days ago · 33 km deep · 25 km away
- 4.994 km SE of Isangel, Vanuatu · 18318 days ago · 34 km deep · 8 km away
- 5.7110 km SE of Isangel, Vanuatu · 18318 days ago · 39 km deep · 13 km away
- 6.0104 km SE of Isangel, Vanuatu · 18318 days ago · 5 km deep · 5 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000htj. Read Tue, Sep 22, 2026, 10:02 AM UTC.