25 days ago · Green earthquake (Magnitude 5.7M, Depth:10km) in Tonga 23/09/2026 14:41 UTC, 1 thousand in MMI IV. · offshore
Green earthquake (Magnitude 5.7M, Depth:10km) in Tonga 23/09/2026 14:41 UTC, 1 thousand in MMI IV.

What's happening
SignalsMonitor is following this as a disaster story. GDACS Global Disaster Alerts is the outlet attached so far. The reports are tied to Green earthquake (Magnitude 5.7M, Depth:10km) in Tonga 23/09/2026 14:41 UTC, 1 thousand in MMI IV. · offshore. The first report grouped here was at 21 Sept 2026, 06:18 UTC. 9 material updates are listed in the timeline. The headline in use is “Green earthquake (Magnitude 5.7M, Depth:10km) in Tonga 23/09/2026 14:41 UTC, 1 thousand in MMI IV.”. This note is SignalsMonitor's own briefing, not the publisher's article.
What we know
On 9/23/2026 2:41:02 PM, an earthquake occurred in Tonga potentially affecting 1 thousand in MMI IV. The earthquake had Magnitude 5.
Story timeline
Reports grouped into this story, earliest first. Exact repeats from the same outlet are collapsed.
- First reported by GDACS Global Disaster Alerts
- Picked up by GDACS Global Disaster Alerts
- Picked up by GDACS Global Disaster Alerts
Green earthquake (Magnitude 5.7M, Depth:10km) in Tonga 23/09/2026 14:41 UTC, 1 thousand in MMI IV.
- Picked up by GDACS Global Disaster Alerts
Green earthquake (Magnitude 6.6M, Depth:10km) in Vanuatu 25/09/2026 21:23 UTC, 1 thousand in MMI>=V.
- Picked up by GDACS Global Disaster Alerts
- Picked up by GDACS Global Disaster Alerts
- Picked up by GDACS Global Disaster Alerts
- Picked up by GDACS Global Disaster Alerts
- Picked up by GDACS Global Disaster Alerts
Reported by 1 outlet
- GDACS Global Disaster Alerts
- GDACS Global Disaster AlertsGreen earthquake (Magnitude 5.7M, Depth:10km) in Tonga 23/09/2026 14:41 UTC, 1 thousand in MMI IV.