They used everything from seismometer data, satellite imagery, field measurements, and tsunami simulations to piece together what actually happened. The first thing they looked at was satellite ...

When such changes indicate a tsunami passing overhead, a sensor sends a signal with data to a buoy directly above, which forwards the message via satellite to the Pacific Tsunami Warning Center ...

A satellite image showed a cloud of dust in a ... causing a 200m-high “mega-tsunami”. In the “after” photographs of the location, a mark is visible on the glacier - left by the sediment ...

Farther north, a 7.0-magnitude earthquake off the coast triggered a tsunami warning for parts of California and Oregon in early December. A tsunami didn’t come then, but the region’s proximity ...

The picture was assembled from radar images acquired on Wednesday by the ICEYE-X2 satellite ... Java and Sumatra in the Sunda Strait when the tsunami hit. Scientists relied heavily on radar ...

The 2004 tsunami killed more than 5,000 people in Thailand, according to official figures, with 3,000 missing. Now the country's two DART buoys are linked by satellite to a nationwide network of ...