Earthquake & Volcano Monitor — 2026-09-06
Anak Krakatau's recent eruptions have stranded over 170,000 passengers by closing eight Indonesian airports due to ash in Jakarta's airspace. Meanwhile, seismic activity remains notable with a magnitude 5.3 earthquake striking Chiapas, Mexico, and Great Sitkin volcano in Alaska maintaining an Orange aviation alert due to ongoing lava eruption.
Earthquake & Volcano Monitor — 2026-09-06
Seismic Activity
On September 6, 2026, at 02:56:32 UTC, a magnitude 5.3 earthquake struck near San José el Hueyate (Barra de San José), Chiapas, Mexico, at a depth of 10 km. This event is among the most significant seismic occurrences reported in the last 24 hours within the monitored region.

Volcanic Watch
Indonesia: Anak Krakatau Eruptions at Anak Krakatau have led to the closure of eight Indonesian airports after volcanic ash was detected in the airspace near Jakarta. This disruption has left more than 170,000 airline passengers stranded. The activity follows earlier reports of Sinabung and Anak Krakatau erupting in early September, which triggered evacuations and the establishment of a 3 km exclusion zone, although officials have stated there is no tsunami threat to coastal communities.

United States: Great Sitkin (Alaska) The Alaska Volcano Observatory (AVO) maintains an ORANGE Aviation Color Code and WATCH alert level for Great Sitkin. As of September 4, 2026, at 20:16:44 UTC, a slow eruption of lava continues within the summit crater, associated with low-level seismicity.
United States: Kīlauea (Hawaii) The Hawaiian Volcano Observatory (HVO) issued a daily update on September 6, 2026, stating that Kīlauea volcano is not currently erupting. The summit eruption in Halemaʻumaʻu is paused, and the Volcano Alert Level remains at ADVISORY with a YELLOW Aviation Color Code.

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