M6.4 earthquake 25 km N of Norsup, Vanuatu
A magnitude 6.4 earthquake struck 25 km N of Norsup, Vanuatu on Wed, Feb 11, 1987, 7:56 PM GMT+12 (07:56 UTC), 24 km (15 mi) below the surface.
A larger quake followed: M6.9 57 km ENE of Lakatoro, Vanuatu. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.4 (ms), strong
- Local time
- UTC
- 1987-02-11 07:56:12 UTC
- Depth
- 23.9 km (14.9 mi), shallow
- Epicenter
- 15.834° S, 167.355° E
- Region
- Vanuatu
- Strongest shaking
- VI, strong shaking
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- VI, strong shaking
- Peak ground acceleration
- 18.3% of gravity
- Peak ground velocity
- 2.5 cm/s
- Map
- Automatic
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Depth from
- OPERATOR_ASSIGNED
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.5 and up: 6 in the 60 days after this one and 0 in the 30 days before it.
After
- 4.868 km WSW of Norsup, Vanuatu · 14469 days ago · 33 km deep · 76 km away
- 4.935 km NNE of Norsup, Vanuatu · 14467 days ago · 153 km deep · 19 km away
- 5.742 km E of Luganville, Vanuatu · 14466 days ago · 120 km deep · 46 km away
- 4.221 km SE of Lakatoro, Vanuatu · 14459 days ago · 33 km deep · 50 km away
- 6.957 km ENE of Lakatoro, Vanuatu · 14457 days ago · 234 km deep · 57 km away
- 5.94 km N of Norsup, Vanuatu · 14445 days ago · 36 km deep · 21 km away
Earthquakes todayVanuatu earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00032cx (also filed as choy19870211075612, gcmtc021187c, gcmt19870211075618, atlas19870211075617, iscgem474320). Read Wed, Sep 23, 2026, 2:06 PM UTC.