History, connected.

Pick an event. Follow what shaped it and what it changed.

Find an event

Search by title or year

Choose your own path.

You are here2011 Tōhoku earthquake and tsunamiMarch 11, 2011

1945Atomic bombings of Hiroshima and Nagasaki Shared thread 2025Operation Midnight Hammer Shared thread 1962Cuban Missile Crisis Shared thread 1962Vasily Arkhipov Shared thread 1938Discovery of nuclear fission Shared thread 1939Nuclear fission Shared thread

Solid: sourced influenceDashed: shared topic

A shared topic is a place to investigate, not proof that one event caused another. This is a growing map of selected connections.

March 11, 2011

2011 Tōhoku earthquake and tsunami

Japan issued its first tsunami warning three minutes after the quake — but the height forecast was too low, because the system had not yet resolved the earthquake's magnitude.

Researched rewrite. See the article for its audit history and open findings.

Read the story and sources →

How was this image made?

The creative brief sent to the image model. These are instructions, not a record of what actually happened.

Original prompt & settings (JSON) ↗