ClimbingNoob

Tsunami Earthquake

A tsunami earthquake can be defined as an undersea earthquake for which the surface wave magnitude m s differs markedly from the moment magnitude m w because the former is calculated from surface waves with a period of about 20 seconds whereas the latter is a measure of the total energy release at all frequencies. A magnitude 77 earthquake struck tuesday about 80 miles from jamaica shaking people in the caribbean and as far away as miami.

Tsunami Hits Small Sulawesi City After Major Quake Casualties

Thrust earthquakes as opposed to strike slip are far more likely to generate tsunamis but small tsunamis have occurred in a few cases from large ie m8 strike slip earthquakes.