▲ Escalating
Reykjanes Ridge and Vanuatu produce clusters of M5+ quakes; strongest is M6.0 off Vanuatu
On Wednesday, a cluster of earthquakes struck the Reykjanes Ridge, the largest at M5.5, followed by M5.0 and M5.0 shocks and a later M5.2. Also on Wednesday, M5.5 struck 5 km ESE of Asahi, Japan, at 41 km depth, with 41 felt reports and a green USGS PAGER alert. Northwest of Port-Olry, Vanuatu, a run of quakes early Wednesday included an M6.0, the strongest in the period, plus M5.6, M5.5 and M5.2 events. Earlier shocks hit the Philippines, Indonesia, China and Panama.
- Reykjanes Ridge: M5.5, M5.0, M5.0 and M5.2 on Wednesday, all at 10 km depth.
- Vanuatu: M6.0, M5.6, M5.5, M5.2 and M5.0 on Wednesday, after an M5.8 on Tuesday and several M5.0 to M5.2 events on Monday and Tuesday.
- Japan: M5.5 near Asahi on Wednesday, with a green PAGER alert.
- Other M5+ events hit Indonesia, the Philippines, Russia, China, Guam, Fiji and Tonga.
Updated 28 Oct 2026, 21:30 UTC · Written by Claude from the reports on this page and on the map. Check the linked sources for full details.