```html

Earthquakes and Tsunami Warnings

No Tsunami Threat from the Quake

The Earthquake Early Warning system provides an advance announcement of the estimated seismic intensity and expected arrival time of principal. Early Warning Information on Extreme Weather.

JQuake: Real-Time Earthquake Monitoring for Japan

JQuake is a real-time earthquake monitoring program for Japan that takes advantage of the NIEDs' dense strong-motion seismograph network.

```