Stratospheric balloons listen in on ground activity

Earthquakes, volcanic eruptions, and even severe weather events produce a medley of low-frequency infrasound waves below the range of human hearing. Researchers can investigate these sounds to gain a deeper understanding ...

The 27.5-million-year cycle of geological activity

Geologic activity on Earth appears to follow a 27.5-million-year cycle, giving the planet a 'pulse,' according to a new study published in the journal Geoscience Frontiers.

Research reveals how volcanic eruptions affect El Niño

El Niño events––major warmings of the tropical Pacific Ocean occurring every two to seven years—have significant environmental and societal impacts in North and South America and other parts of the world. Previous ...

page 2 from 6