Disaster · Earthquake · Impact 2 Notable

M5.5 earthquake · 122 km W of Neiafu, Tonga

12 Oct 2026, 04:38 UTC · 122 km W of Neiafu, Tonga · official USGS data

Magnitude 5.5 at 195 km depth. USGS PAGER alert level green. 1 felt reports.

Location: 122 km W of Neiafu, Tonga
Coordinates: 18.72°S 175.15°W
Reported: 12 Oct 2026, 04:38 UTC
Category: Disaster · Earthquake
Impact: 2 of 5 · Notable
Situation: Seismic activity
Magnitude: M5.5 · depth 195 km

Seismic activity right now

▲ Escalating

Dozens of M5+ quakes hit northwest of Port-Olry, Vanuatu, the largest M6.3 on Saturday

A cluster of earthquakes struck off Vanuatu on Saturday, led by a M6.3 at 10 km depth about 170 km NW of Port-Olry, followed by around a dozen more of magnitude 5.0 to 5.9. USGS PAGER alert levels were green for the larger shocks. Separately, a M5.8 was recorded in the Bouvet Island region on Saturday. Earlier in the period, a M5.7 and a M5.2 struck off Italy on Friday.

The Vanuatu sequence on Saturday included a M6.3, M5.9, and several M5.8 and M5.7 quakes, nearly all at 10 km depth.
A M5.5 at 195 km depth hit 55 km NNE of Port-Olry on Saturday.
A M5.8 hit the Bouvet Island region on Saturday, with a green PAGER alert.
Friday brought a M5.7 and a M5.2 off Italy, and a M5.1 off Japan; repeated M5.0 to M5.3 quakes also struck ENE of Nagqu, China.

Updated 24 Oct 2026, 16:09 UTC · Written by Claude from the reports on this page and on the map. Check the linked sources for full details.

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