Identify the statement that is true about tsunami events. Choose one: A. Tsunami waves that affect the local area around an earthquake's epicenter are called far-field tsunamis. B. The wavelengths of tsunami waves are often shorter than those of wind-driven waves. C. Tsunamis may be generated by underwater earthquakes, eruptions of island volcanoes, or submarine landslides. D. The velocity of a tsunami wave increases when the wave moves from open ocean to shallower water.