LOS ANGELES (CNS) - A tsunami watch for all of California's coast was converted Tuesday night to a tsunami advisory by the National Weather Service following a powerful earthquake measuring a magnitude 8.7 off Russia's Kamchatka Peninsula.

A tsunami advisory is issued when a tsunami with the potential to generate strong currents or waves dangerous to those in or very near the water is imminent, expected or occurring, according to the Tsunami Warning Centers.

A tsunami watch is issued when a tsunami may later impact the watch area. The watch may be upgraded to a warning or advisory or canceled based on updated information and analysis. Emergency management officials and the public should prepare to take action, according to the centers.

People living in the coastal area were advised by

See Full Page