New buoys enable submerged subs to communicate

(PhysOrg.com) -- Communicating with a submerged submarine has always been difficult, and since the submarine has to come up to periscope depth it has also been risky. Now a new buoy developed by Lockheed Martin should enable ...

Surprise magma chamber growing under Mediterranean volcano

Using a novel imaging technique for volcanoes that produces high-resolution pictures of seismic wave properties, a new study reveals a large, previously undetected body of mobile magma underneath Kolumbo, an active submarine ...

Geologists build preliminary account of Tonga eruption

On January 15, the volcano Hunga Tonga-Hunga Ha'apai devastated the nation of Tonga. The eruption triggered tsunamis as far afield as the Caribbean and generated atmospheric waves that traveled around the globe several times. ...

How volcanoes explode in the deep sea

Most volcanic eruptions take place unseen at the bottom of the world's oceans. In recent years, oceanography has shown that this submarine volcanism not only deposits lava but also ejects large amounts of volcanic ash.

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