New "Sunquake" Trigger Found: Huge Solar Belches 

Researchers had previously linked sunquakes to solar flares. On February 15, 2011, researchers spied two sunquakes and a solar flare that occurred around the same time—but the flare wasn't hot enough to have spawned the seismic waves.
maneno muhimu: New, sunquake, trigger, found, huge, solar, belches, space, makala