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The daily journal · Earth, atmosphere & space

21 October 2026.

A source-linked record of our changing planet.

In progress

LAST COLLECTION 01:25 UTC

Explore the archive ↗

11 source records captured so far in this UTC day. Last collection: . 1 event feed check is incomplete. This covers our monitored feeds—not every event worldwide or a measure of global safety.

Earthquakes · M4.5+

2

Within the daily record

Largest earthquake

M 4.9

Observed magnitude

Space-weather records

0

Bulletins and significant flares

Event feed checks

8 / 9

Partial coverage · see source notes

The world today

2 LOCATED RECORDS
Locations of the recorded natural events. Linked markers open the event record.M 4.9 - south of the Fiji IslandsM 4.6 - 115 km NNE of Barishal, Pakistan
EarthquakesWeather alerts

Markers show source-reported points, not affected areas. Space-weather records appear separately.

THE DAY IN CONTEXT

Daily briefing

Captured 2026-10-21 01:25:09 UTC. Changes describe our source records, not Earth’s overall safety.

How to read this ↗
  1. 01Largest earthquake magnitude among records captured today: M 6.3 - 197 km NW of Port-Olry, Vanuatu. Event time: 2026-10-20 04:20 UTC. ↗
  2. 02A source record changed after an earlier capture: Super Typhoon Champi ↗
  3. 0340 NWS alert series captured today across its US coverage area. These are selected Severe/Extreme messages, not a count of separate storms. ↗
  4. 041 event feed check is incomplete. Missing reports cannot establish a quiet day. ↗
Initial baseline
0
Newly tracked
0
Revised
12
Carried forward
164

Newly tracked means first seen by this journal after its source baseline. Revised takes precedence over other change labels. Carried forward means seen again today without a captured change, not necessarily an ongoing hazard. Source lookback windows include older records, so these counts differ from the dated ledger.

2 source cancellations/closures · 1 messages past their stated expiry · See individual records

Explore 176 tracked source series and their histories

Series may overlap across agencies. A message’s expiry or disappearance does not establish that a hazard has ended. Histories open the latest captured source record.

Coverage at this briefing’s capture
USGS ↗

ok · 21 records

Earthquakes M4.5+

Checked 01:25:09 UTC · Feed timestamp 2026-10-21 01:24:15 UTC

NOAA SWPC ↗

ok · 84 records

Space-weather bulletins

Checked 01:25:09 UTC

NOAA GOES ↗

partial · 77 records

Observed solar flares

Checked 01:25:09 UTC

NOAA Kp ↗

ok · 56 records

Geomagnetic observations

Checked 01:25:09 UTC · Feed timestamp 2026-10-20 21:00:00 UTC

GDACS ↗

ok · 7 records

Disaster reports

Checked 01:25:09 UTC · Feed timestamp 2026-10-21 01:15:03 UTC

NOAA Pacific ↗

ok · 1 records

Tsunami bulletins

Checked 01:25:09 UTC

NOAA National ↗

ok · 1 records

Tsunami bulletins

Checked 01:25:09 UTC

NASA EONET ↗

ok · 18 records

Natural-event context

Checked 01:25:09 UTC

NOAA NWS ↗

ok · 39 records

US and NWS-served territories/waters; Severe and Extreme alerts only

Checked 01:25:09 UTC · Feed timestamp 2026-10-21 01:24:39 UTC

Successful checks indicate feed access, not complete global coverage. Some feeds have no regular heartbeat. UK weather warnings are not yet included.

Global average air temperature

Copernicus / ERA5 · land and ocean

15.26°C

Observed 18 October 2026

Preliminary — may be revised

+0.89°C

Compared with the 1991–2020 average for this calendar day. This is near-surface air temperature, not sea-water temperature or an average of cities.

Source retrieved 2026-10-21 01:10 UTC. Daily observations usually lag by about two days.

Last 30 observed daysSolid: daily mean · Dashed: 1991–2020 daily average
14.0°15.3°16.5°2026-09-19: 16.10°C; anomaly +0.73°C; FINAL2026-09-20: 16.10°C; anomaly +0.76°C; FINAL2026-09-21: 16.12°C; anomaly +0.80°C; FINAL2026-09-22: 16.06°C; anomaly +0.78°C; FINAL2026-09-23: 16.06°C; anomaly +0.81°C; FINAL2026-09-24: 16.09°C; anomaly +0.86°C; FINAL2026-09-25: 16.08°C; anomaly +0.88°C; FINAL2026-09-26: 16.05°C; anomaly +0.89°C; FINAL2026-09-27: 16.01°C; anomaly +0.88°C; FINAL2026-09-28: 15.95°C; anomaly +0.85°C; FINAL2026-09-29: 15.85°C; anomaly +0.78°C; FINAL2026-09-30: 15.76°C; anomaly +0.72°C; FINAL2026-10-01: 15.70°C; anomaly +0.69°C; FINAL2026-10-02: 15.65°C; anomaly +0.68°C; FINAL2026-10-03: 15.62°C; anomaly +0.69°C; FINAL2026-10-04: 15.61°C; anomaly +0.71°C; FINAL2026-10-05: 15.64°C; anomaly +0.78°C; FINAL2026-10-06: 15.68°C; anomaly +0.85°C; FINAL2026-10-07: 15.68°C; anomaly +0.89°C; FINAL2026-10-08: 15.67°C; anomaly +0.92°C; FINAL2026-10-09: 15.62°C; anomaly +0.91°C; FINAL2026-10-10: 15.58°C; anomaly +0.90°C; FINAL2026-10-11: 15.53°C; anomaly +0.89°C; FINAL2026-10-12: 15.47°C; anomaly +0.87°C; FINAL2026-10-13: 15.43°C; anomaly +0.87°C; FINAL2026-10-14: 15.40°C; anomaly +0.88°C; FINAL2026-10-15: 15.38°C; anomaly +0.89°C; FINAL2026-10-16: 15.35°C; anomaly +0.91°C; FINAL2026-10-17: 15.31°C; anomaly +0.90°C; FINAL2026-10-18: 15.26°C; anomaly +0.89°C; PRELIMINARY2026-09-192026-10-18
Explore this temperature record ↗

Seismic rhythm

M4.5+ / UTC HOURS
00:0006:0012:0018:0023:00

Bars count earthquakes in the collected daily record. Unelapsed hours have no observations.

Beyond the atmosphere

NOAA SWPC ↗

Strongest recorded flare today

B7.5

Latest estimated Kp / 9

No data

Kp 5 marks the G1 geomagnetic threshold. Flare class alone does not predict an Earth impact.

The event ledger

11 RECORDS

About this edition

Source health & methodology ↗

Reporting interval: 2026-10-21, 00:00–24:00 UTC. Issued bulletins and event observations are labelled separately. Future-dated or malformed records are withheld. This page preserves a dated record and does not certify that any warning is currently active.

Download this edition’s data ↓

The ocean record

Source dates differ from the capture date

Ocean observation date

Unavailable

Temperature & anomaly maps ↗

NOAA ENSO advisory · issued 2026-10-08

El Niño Advisory

Advisory, history & outlook ↗

Latest captured RONI

+1.69°C

JAS 2026 · three-month mean