Solar "Tsunami"

Telescope spots solar tsunami | SpaceRef - Source: National Solar Observatory

"The prototype of a new solar patrol telescope in New Mexico recorded a tsunami-like shock wave rolling across the visible face of the Sun following a major flare even on Wednesday, Dec. 2, 2006, at 18:28 Universal Time (11:28 MST). The shock wave, known as a Moreton wave, also destroyed or compressed two filaments of cool gas at opposite sides of the solar hemisphere."