M4.9 earthquake 52 km NW of Port-Olry, Vanuatu
A magnitude 4.9 earthquake struck 52 km NW of Port-Olry, Vanuatu on Mon, Dec 31, 1973, 12:26 PM GMT+12 (00:26 UTC), 34 km (21 mi) below the surface.
A larger quake followed: M5.0 56 km NNE of Port-Olry, 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
- 1973-12-31 00:26:47 UTC
- Depth
- 34.0 km (21.1 mi), shallow
- Epicenter
- 14.667° S, 166.777° 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
- 20
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 44 in the 60 days after this one and 34 in the 30 days before it.
After
- 4.7124 km NW of Port-Olry, Vanuatu · 19258 days ago · 15 km deep · 72 km away
- 4.492 km NNW of Port-Olry, Vanuatu · 19258 days ago · 35 km deep · 45 km away
- 4.541 km W of Luganville, Vanuatu · 19258 days ago · 37 km deep · 91 km away
- 4.336 km WNW of Port-Olry, Vanuatu · 19257 days ago · 21 km deep · 24 km away
- 4.484 km NNW of Port-Olry, Vanuatu · 19257 days ago · 46 km deep · 40 km away
- 5.056 km NNE of Port-Olry, Vanuatu · 19256 days ago · 176 km deep · 62 km away
- 4.745 km SW of Port-Olry, Vanuatu · 19256 days ago · 41 km deep · 74 km away
- 5.594 km NW of Port-Olry, Vanuatu · 19255 days ago · 9 km deep · 48 km away
- 5.2102 km NW of Port-Olry, Vanuatu · 19255 days ago · 27 km deep · 51 km away
- 5.288 km WNW of Port-Olry, Vanuatu · 19255 days ago · 33 km deep · 58 km away
- 5.1Vanuatu · 19255 days ago · 15 km deep · 61 km away
- 4.736 km NW of Port-Olry, Vanuatu · 19254 days ago · 17 km deep · 16 km away
- 5.033 km W of Port-Olry, Vanuatu · 19254 days ago · 50 km deep · 41 km away
- 5.362 km WNW of Port-Olry, Vanuatu · 19254 days ago · 21 km deep · 33 km away
- 5.162 km NW of Port-Olry, Vanuatu · 19253 days ago · 18 km deep · 15 km away
- 5.437 km W of Port-Olry, Vanuatu · 19252 days ago · 33 km deep · 35 km away
- 5.626 km NE of Port-Olry, Vanuatu · 19252 days ago · 117 km deep · 54 km away
- 4.947 km WNW of Port-Olry, Vanuatu · 19248 days ago · 23 km deep · 29 km away
- 7.270 km NNW of Port-Olry, Vanuatu · 19248 days ago · 34 km deep · 28 km away
- 4.881 km NNW of Port-Olry, Vanuatu · 19248 days ago · 57 km deep · 34 km away
- 5.198 km NNW of Port-Olry, Vanuatu · 19248 days ago · 45 km deep · 47 km away
- 5.7100 km W of Sola, Vanuatu · 19248 days ago · 66 km deep · 92 km away
- 4.776 km NNW of Port-Olry, Vanuatu · 19248 days ago · 33 km deep · 28 km away
- 4.7102 km NNW of Port-Olry, Vanuatu · 19248 days ago · 51 km deep · 52 km away
- 4.578 km NNW of Port-Olry, Vanuatu · 19248 days ago · 65 km deep · 29 km away
- 4.885 km NNW of Port-Olry, Vanuatu · 19248 days ago · 36 km deep · 37 km away
- 4.4Vanuatu · 19248 days ago · 49 km deep · 46 km away
- 4.780 km NW of Port-Olry, Vanuatu · 19248 days ago · 59 km deep · 29 km away
- 4.6Vanuatu · 19248 days ago · 46 km deep · 25 km away
- 4.351 km NNW of Port-Olry, Vanuatu · 19247 days ago · 46 km deep · 12 km away
- 6.2108 km WSW of Sola, Vanuatu · 19247 days ago · 15 km deep · 60 km away
- 4.471 km NNW of Port-Olry, Vanuatu · 19247 days ago · 16 km deep · 28 km away
- 5.070 km NNW of Port-Olry, Vanuatu · 19247 days ago · 33 km deep · 24 km away
- 4.729 km NW of Port-Olry, Vanuatu · 19246 days ago · 21 km deep · 24 km away
- 5.0104 km NW of Port-Olry, Vanuatu · 19245 days ago · 33 km deep · 54 km away
- 5.097 km NW of Port-Olry, Vanuatu · 19244 days ago · 5 km deep · 48 km away
- 4.885 km WNW of Port-Olry, Vanuatu · 19243 days ago · 36 km deep · 42 km away
- 4.8105 km NNW of Port-Olry, Vanuatu · 19243 days ago · 32 km deep · 54 km away
- 5.676 km N of Port-Olry, Vanuatu · 19238 days ago · 33 km deep · 39 km away
- 4.910 km SSW of Port-Olry, Vanuatu · 19234 days ago · 51 km deep · 59 km away
- 4.823 km W of Port-Olry, Vanuatu · 19230 days ago · 23 km deep · 39 km away
- 5.433 km W of Port-Olry, Vanuatu · 19230 days ago · 26 km deep · 37 km away
- 4.955 km NW of Port-Olry, Vanuatu · 19219 days ago · 35 km deep · 11 km away
- 4.634 km ENE of Port-Olry, Vanuatu · 19213 days ago · 141 km deep · 68 km away
Before
- 4.661 km W of Port-Olry, Vanuatu · 19259 days ago · 33 km deep · 60 km away
- 5.457 km W of Port-Olry, Vanuatu · 19259 days ago · 33 km deep · 50 km away
- 4.937 km W of Port-Olry, Vanuatu · 19259 days ago · 33 km deep · 46 km away
- 5.076 km W of Luganville, Vanuatu · 19259 days ago · 33 km deep · 88 km away
- 6.656 km W of Luganville, Vanuatu · 19259 days ago · 10 km deep · 94 km away
- 4.425 km NW of Port-Olry, Vanuatu · 19259 days ago · 33 km deep · 27 km away
- 4.890 km NW of Port-Olry, Vanuatu · 19259 days ago · 33 km deep · 39 km away
- 4.868 km NNW of Port-Olry, Vanuatu · 19259 days ago · 37 km deep · 22 km away
- 4.8101 km NNW of Port-Olry, Vanuatu · 19259 days ago · 33 km deep · 50 km away
- 5.171 km WSW of Port-Olry, Vanuatu · 19259 days ago · 33 km deep · 78 km away
- 5.0109 km NNW of Port-Olry, Vanuatu · 19260 days ago · 37 km deep · 58 km away
- 4.7119 km NW of Port-Olry, Vanuatu · 19260 days ago · 33 km deep · 68 km away
- 5.3104 km NNW of Port-Olry, Vanuatu · 19260 days ago · 20 km deep · 52 km away
- 5.864 km WNW of Port-Olry, Vanuatu · 19260 days ago · 33 km deep · 36 km away
- 7.220 km WSW of Port-Olry, Vanuatu · 19260 days ago · 47 km deep · 52 km away
- 4.741 km W of Port-Olry, Vanuatu · 19261 days ago · 33 km deep · 50 km away
- 5.676 km NNW of Port-Olry, Vanuatu · 19261 days ago · 50 km deep · 26 km away
- 5.154 km WSW of Port-Olry, Vanuatu · 19261 days ago · 33 km deep · 58 km away
- 5.562 km W of Port-Olry, Vanuatu · 19261 days ago · 43 km deep · 44 km away
- 5.635 km WNW of Port-Olry, Vanuatu · 19261 days ago · 33 km deep · 28 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00004ra. Read Tue, Sep 22, 2026, 11:22 AM UTC.