How loud can sound really get? The human ear can safely hear up to around 120 decibels. Beyond that, it starts to hurt. At 150 decibels, eardrums can rupture. But history has witnessed sounds far ...

On August 27, 1883, the eruption of Krakatoa in Indonesia produced the loudest sound ever recorded in human history. At 10:02 am, a cataclysmic explosion was heard over 4,800 kilometres away, from ...

State volcanologists on Monday recorded a low-frequency sound as Mayon Volcano continued its effusive eruption. On Tuesday, ...

Global distribution of recording geophysical sensors used in this study and remotely-observed eruption chronology. (A) Sensor map. Background image is brightness temperature difference (Himawari-8) at ...

POPOCATÉPETL VOLCANO, Mexico (AP) — In the predawn darkness, a team of scientists climbs the slope of Mexico’s Popocatépetl volcano, one of the world’s most active and whose eruption could affect ...