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What tools does the Pacific Tsunami Warning Center use in creating tsunami warnings? View Available Hint(s) PTWC uses human observers on boats to detect potential tsunamis and tidal buoys to confirm the presence. O PTWC uses ocean buoys, deep-ocean pressure sensors, and satellites to detect tsunamis. O PTWC only uses satellites to detect large anomalies (differences from the average) like tsunamis in the ocean surface height. O PTWC only uses tidal buoys to detect the presence of an abnormal sea height, like a tsunami