A roundup of the notable hazards our data feeds tracked in the week of September 21, 2026: tropical systems, notable earthquakes, volcanic activity, severe weather alerts.

Tropical Systems
A tropical system named Fay is tracking through the Atlantic at 35 mph sustained winds. Odalys is churning through the East Pacific as a Category 1, packing 81 mph winds. Polo is churning through the East Pacific as a Category 3, packing 121 mph winds. Nolo is churning through the East Pacific as a Category 1, packing 92 mph winds.
Notable Earthquakes
A magnitude 5.6 earthquake struck near 74 km ESE of Kokopo, Papua New Guinea. A magnitude 5.2 earthquake struck near 148 km NW of Kilmia, Yemen. A magnitude 5.2 earthquake struck near 58 km NE of Tadine, New Caledonia.
Volcanic Activity
The avo has Great Sitkin at WATCH alert level. The avo has Shishaldin at ADVISORY alert level. The hvo has Kilauea at WATCH alert level. The nmi has Ahyi Seamount at ADVISORY alert level.
Severe Weather Alerts
Flood Warning warnings fired 6 times across 4 states this week.
Sourced from the National Hurricane Center, USGS Earthquake and Volcano Hazards Programs, and the National Weather Service — data current as of September 21, 2026.
An automated weekly roundup drafted from live NHC, USGS, and NWS hazard feeds — every figure is real and fetched, not invented, and this draft is published automatically without manual review.