A roundup of the notable hazards our data feeds tracked in the week of September 28, 2026: tropical systems, notable earthquakes, volcanic activity, severe weather alerts.
Tropical Systems
The East Pacific has Rachel active this week — a Category 1 system with 92 mph sustained winds. The East Pacific has Nolo active this week — a Category 3 system with 115 mph sustained winds.
Notable Earthquakes
Near 39 km WSW of Tambolaka, Indonesia, the ground moved with a magnitude 5.9 quake. Near 80 km S of Banda Aceh, Indonesia, the ground moved with a magnitude 5.6 quake. Near 182 km SSE of Vilyuchinsk, Russia, the ground moved with a magnitude 5.1 quake.
Volcanic Activity
Gareloi is at ADVISORY alert status, monitored by the avo. Great Sitkin is at WATCH alert status, monitored by the avo. Shishaldin is at ADVISORY alert status, monitored by the avo. Kilauea is at WATCH alert status, monitored by the hvo. Ahyi Seamount is at ADVISORY alert status, monitored by the nmi.
Severe Weather Alerts
40 separate flood warning alerts were active across 7 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 28, 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.