Magnitude 6.3 Earthquake Strikes Northwest of Vanuatu
The Pacific Tsunami Warning Center said there is no tsunami threat, and USGS reported a low likelihood of casualties and damage.
- On Tuesday, October 20, 2026, a strong M6.3 earthquake struck northwest of Vanuatu at 04:20 UTC, marking significant seismic activity in the South Pacific region.
- This event marks the second M6+ earthquake to impact the area in two days, following a M6.0 tremor recorded at 07:49 UTC on October 19, 2026.
- Data places the epicenter 200 km northwest of Port-Olry, with agencies reporting varying depths of 5 km, 10 km, and 16 km for the shallow event.
- No tsunami threat exists, according to the NWS Pacific Tsunami Warning Center, while the USGS issued a Green alert indicating low likelihood of shaking-related fatalities.
- Residents in Vanuatu occupy structures highly vulnerable to shaking, primarily wood or miscellaneous construction, and recent earthquakes have triggered secondary hazards such as landslides.
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25 Articles
An earthquake struck 6.3 degrees on the Richter scale today, Tuesday, off the coast of the Republic of Vanuatu, South Pacific, without warning of possible tsunamis.
A 6.3-magnitude earthquake struck off the coast of Vanuatu in the South Pacific on Tuesday, the US Geological Survey (USGS) said.
A 6.3-magnitude earthquake struck off the coast of Vanuatu in the South Pacific on Tuesday, the US Geological Survey (USGS) said.
The 6.5 magnitude of the earthquake was recorded in the coral Sea area of 195 kilometres north-west of Port Olri, on Espírito Santo Island, within the Pacific Island State of Vanuatu, by the Altae-Sai branch of the United Geophysical Service of RON.
A 6.3-magnitude earthquake struck off the coast of Vanuatu in the South Pacific on Tuesday, according to the U.S. Geological Survey (USGS), but no tsunami warning was issued. The quake's epicenter was located about 200 kilometers (125 miles) northwest of the village of Port Oleri. The Pacific Tsunami Warning Center confirmed there was no tsunami threat. Earthquakes are common in Vanuatu, a low-lying archipelago located on the Ring of Fire, a tec…
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