M5.4 earthquake 56 km W of Port-Olry, Vanuatu
A magnitude 5.4 earthquake struck 56 km W of Port-Olry, Vanuatu on Thu, Sep 12, 1985, 4:37 AM GMT+11 (17:37 UTC), 34 km (21 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.4 (mb, body-wave), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1985-09-11 17:37:28 UTC
- Depth
- 33.5 km (20.8 mi), shallow
- Epicenter
- 15.043° S, 166.546° E
- Region
- Vanuatu
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Magnitude estimates
Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.
| Mag. | Scale | Computed by | Notes |
|---|---|---|---|
| 5.4 | mb, body-wave | USGS National Earthquake Information Center | Preferred · Reviewed · 8 stations |
| 5.56 | Mw, moment | ISC-GEM global catalog | Final · ±0.31 |
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
- FROM_LOCATION
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.4 and up: 5 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.8109 km WSW of Luganville, Vanuatu · 14990 days ago · 102 km deep · 99 km away
- 4.846 km NNE of Port-Olry, Vanuatu · 14983 days ago · 196 km deep · 87 km away
- 4.870 km SW of Sola, Vanuatu · 14982 days ago · 214 km deep · 99 km away
- 4.267 km WSW of Luganville, Vanuatu · 14977 days ago · 33 km deep · 86 km away
- 4.823 km NE of Port-Olry, Vanuatu · 14959 days ago · 165 km deep · 75 km away
Before
Earthquakes todayVanuatu earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002jnt (also filed as iscgem515584). Read Thu, Oct 1, 2026, 2:39 PM UTC.