Strong 6.1 magnitude earthquake hits Panama: USGS

A 6.1 magnitude earthquake hit Panama on Sunday near the border with Costa Rica, the US Geological Survey said, but there were no immediate reports of damage or casualties.

GPS solution provides 3-minute tsunami alerts

Researchers have shown that, by using global positioning systems (GPS) to measure ground deformation caused by a large underwater earthquake, they can provide accurate warning of the resulting tsunami in just a few minutes ...