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The study of seismic waves propagating in the sun, inferred from variations in solar brightness.

he′li·o·seis′mo·log′i·cal (-mə-lŏj′ĭ-kəl) adj.


the study of motions of the solar surf ace.
See also: Sun
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The sunquake - observed in 1996 but only recently announced - manifested itself as a series of 3-kilometer-high ripples (shown below) in data from SOHO's Michelson Doppler Imager.
AN astonishing sunquake 40,000 times more powerful than the earthquake which devastated San Francisco in 1906 was revealed by scientists yesterday.
Scientists said the amount of energy unleashed by the sunquake was enough to power the United States for 20 years.
Some of that heat excites the Corona, or outer atmosphere of the sun, but a portion generates a shock wave that hammers the surface and produces a sunquake.