• Super Typhoon Sinlaku cripples power, roads and key infrastructure on Saipan and Tinian

    Super Typhoon Sinlaku struck the Northern Mariana Islands late on April 14, 2026, bringing sustained winds near 241 km/h (150 mph) at peak impact and unusually slow movement that kept destructive conditions over populated islands for hours. The islands of Saipan and Tinian sustained widespread infrastructure damage, prolonged utility outages, blocked roads, and flooding, with officials warning that full restoration in some hard-hit areas could take days to weeks.

  • First eruption at Ruby volcano since 1995, Northern Mariana Islands

    An eruption at submarine Ruby volcano, near the southern end of the Mariana arc, was detected on Thursday, September 14, 2023. This was based on seismoacoustic signals from a monitoring station in Saipan and satellite imagery that captured a submarine plume. The last known eruption at this volcano took place in 1995.