WorldTwin · The Daily Brief

Daily Brief — 2026-09-30

What the instruments said. Dated, sourced, and never quietly fixed.

window 2026-09-29T06:47:02Z → 2026-09-30T06:47:02Z 16 of 93 sources reporting · generated 2026-09-30T06:47:02Z

PIPELINE: manifest generated 2026-09-30T06:46:33Z · newest fetch 2026-09-30T06:46:33Z

GDACS holds a Red alert: GDACS Red — Tropical Cyclone, Mexico.

1 · Largest earthquake · 24 h · USGS

M5.6 — 74 km S of Yonakuni, Japan, depth 10.792 km

USGS Earthquake Hazards Program · observed 2026-09-30T05:00:24Z · fetched 06:44 UTC · Public domain (US Government)
source ↗ · raw cache ↗ · view on globe ↗

2 · Highest active GDACS alert

GDACS Red — Tropical Cyclone, Mexico

GDACS (Global Disaster Alert and Coordination System, JRC) · observed 2026-09-30T03:00:00Z · fetched 06:24 UTC · CC-BY 4.0
source ↗ · raw cache ↗ · view on globe ↗

3 · Fire detections · 24 h · NASA FIRMS (VIIRS)

4,122 VIIRS fire detections in 24 h — no 7-day median yet — count record since 2026-09-24

NASA FIRMS (VIIRS SNPP) · observed 2026-09-30T05:59:00Z · fetched 06:04 UTC · NASA open data
source ↗ · raw cache ↗ · view on globe ↗

4 · Instrument of the day · Planetary Kp · NOAA SWPC

Geomagnetic storm scale G0 (none) — numeric Kp series not parseable in today's cache

NOAA Space Weather Prediction Center · observed 2026-09-30T06:43:00Z · fetched 06:46 UTC · window as of 2026-09-30T06:43:00Z · Public Domain (US Gov)
source ↗ · raw cache ↗ · view on globe ↗

5 · Went dark / came back · 24 h delta

No enabled source went dark or came back in this window.

computed against 2026-09-29 · a retired layer is never “dark” — retirement is a dated decision, not a failure