Hazardly
Countries· last 7 days

United States

681 active events · 1 significant · worst orange · Updated 15 November 2026

38 regional events not shown — no location within United States · showing the 400 most severe of 1459Open on the live globe ↗

Brief · 19 September 2026

This is the most recent brief; none has been generated since 19 September 2026. The event list below is current.

The United States saw three new large wildfires classified at red severity emerge over the past week, alongside a newly reported H5N5 avian influenza outbreak and continued minor-to-moderate seismic activity in Puerto Rico and near the Northern Mariana Islands.

Wildfire Three new red-severity wildfires were detected across the United States this week, with total fire radiative power rising from 8,888 MW on 16 September to 8,990 MW on 17 September and 10,326 MW on 19 September, each newly tracked with a single ingest so far.

Earthquake An earthquake struck Puerto Rico on 18 September at 8 km depth with a green PAGER alert and population exposure of 11,966, and a separate M5.1 earthquake occurred 172 km east-southeast of Saipan in the Northern Mariana Islands at 10 km depth, with two felt reports.

Outbreak Avian Influenza A(H5N5) is active in the United States, with WHO tracking the outbreak since it was first reported on 14 September 2026.

  • A new red-severity wildfire in the United States reached 10,326 MW of fire radiative power as of 19 September.
  • A new red-severity wildfire in the United States reached 8,990 MW of fire radiative power as of 17 September.
  • A new red-severity wildfire in the United States reached 8,888 MW of fire radiative power as of 16 September.
  • An H5N5 avian influenza outbreak in the United States, first reported on 14 September, is active with a WHO bulletin issued.

Summarised from Hazardly's tracked events for the seven days to 19 September 2026 · no external sources. Generated by claude-sonnet-5 at 19 Sept, 20:42 UTC, not reviewed by a person before publication. Outbreak lines name the disease and country only; WHO's bulletin text is on each outbreak's event page.

Events · last 7 days · 1497

1496 other tracked events below the significance bar

and 1296 more on the live globe.

Seven days of source changes

Revisions · 1494 events also first tracked this week

  • 15 Nov, 00:00 UTCTsunami Information — 65 miles NE of Kodiak City, AlaskaLifecycle new → ceased
  • 9 Nov, 06:45 UTCTsunami Information — ABOUT 72 MILES NORTHWEST OF PUERTO RICOLifecycle new → ceased

Countries · by trend

16
CountryActiveWorstTrendChanged
United States681ORANGEnew2 new8m ago
Russia3ORANGEnew2 new3h ago
El Salvador1ORANGEnew1 new3d ago
Nicaragua1ORANGEnew1 new3d ago
Mexico1ORANGEnew1 new3d ago
Haiti1ORANGEnew1 new3d ago
Honduras1ORANGEnew1 new3d ago
Guatemala1ORANGEnew1 new3d ago
Dominican Republic1ORANGEnew1 new3d ago
Cuba1ORANGEnew1 new3d ago
Costa Rica1ORANGEnew1 new3d ago
Belize1ORANGEnew1 new3d ago

and 4 more

Trend compares each event’s own source-reported measure across Hazardly’s last two ingests. It measures reported change, not impact: a fire whose satellite coverage improved overnight can read as escalating, and a storm can weaken while its damage is still unfolding.

Nearby

  • Canada 2 active
  • Mexico 1 active
  • Bahamasquiet · 141 km
  • Cuba 1 active · 153 km
  • Russia 3 active · 358 km
  • Jamaicaquiet · 755 km
  • Haiti 1 active · 931 km
  • Belize 1 active · 947 km

Sources

GDACS ↗NOAA Tsunami Warning Centers ↗USGS ↗

Every event on this page traces to the official source it cites; figures are the sources' own. The brief is generated automatically from those records and is not an official warning or advice. Check the linked sources and local authorities before acting.