A FIELD GUIDE TO THE PACIFIC
Conditions change.
Stay curious.
A quiet place to follow the weather above Japan and the movement beneath it. Updated throughout the day from open scientific data.
01 / ATMOSPHERE
Weather across Japan
Six cities · real-time conditions · seven-day outlook
Fetching the latest forecast…
More than a snapshot.
Compare the next hours, track seven days ahead, and see the latest seismic events nearby. Data updates automatically; no account or location permission is needed.
02 / BELOW THE SURFACE
Recent seismic activity
Japan region · M2.5+ · past seven days
Earth never stands still.
These records cover the wider Japan region. Magnitudes, depths and locations come from the USGS feed and may be revised as new measurements arrive.
About the source ↗Fetching recent events…
03 / RESEARCH DESK
Research archive access.
Public data · descriptive analysis · access by request
Japan weather & seismic observations
Six-city forecasts and recent earthquake records are shown throughout this site. The research archive is not publicly available. Forecasts and preliminary event records are informative, not emergency advice.
REQUEST ACCESS
Get a download key
Email [email protected] to request an access key. The website does not receive or store your email address.
04 / THE PROJECT
Open data, clearly presented.
Pacific Atlas is a small independent data display. Weather forecasts are provided by Open-Meteo; earthquake information is provided by the U.S. Geological Survey.
Data is retrieved by this server and cached for visitors. We do not use analytics, advertising, cookies, accounts, or visitor-location tracking. Forecasts and preliminary earthquake reports are informative, not emergency advice.