Satellite Detection of Tsunami Signatures: Understanding Unique Waveforms

[cph]

Might one have satellite detection (or oceanic sonar buoys?) of tsunami by radar penetrating to floor for near site of earthquake; detecting initial waveform of tsunami? Do all tsunami (like earthquakes?) have a unique signature?

 

[Evo]

http://www.tsunami.noaa.gov/warning_system_works.html