A 10-second recording recreates about 10 minutes of seismic sound and harmonic tremor from Alaska's Redoubt Volcano in 2009, sped up 60 times.

RedoubtScream

A one-minute recording condenses about an hour of volcanic activity at Alaska's Redoubt Volcano in 2009. The "drumbeats" are more than 1,600 small earthquakes that occur at an ever-faster pace until they blend into a continuous harmonic tremor that preceded an explosion.

RedoubtDrumbeats

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Audio to accompany University of Washington professor John Delaney's Dec. 16, 2015 press conference at the American Geophysical Union fall meeting. The sounds are of still-mysterious eruptions at the northern rift zone, northeast of the caldera.

Axial Volcano Sounds

This is the call we believe functions as an individual identifier. These particular calls are produced before separating and starting to echolocate while foraging.

Sperm whale call: 5R exchange at the onset of a dive

Drift

An interview with Dr Wally Franklin of The Oceania Project

Whale Song Research

Oceania Project Interview

This song started out as a riff and drifted into a kind of ghost tale.

Hollow Tree

I was looking for something to play locally and I remembered Woodstock so I looked up the lyrics and just played some chords and vaguely sought out a tune. It was about one in the morning and it sounded ok in my head so I pressed play and record and this is the result.

Woodstock

This track resulted from a challenge from a friend to write some music to accompany the Tai Chi short form that we both practice. It evolved from a musical idea to take in samples voice and even gongs.

37 ways

A fin whale call and earthquake recorded in September 2010 by a seismometer on the continental shelf off Vancouver Island in about 1,200 meters depth. The recording was originally 5 minutes long but has been sped up by a factor of 10 so that human can hear it. The rumbling that begins at the 18-second mark is an earthquake. Credit: Michelle Weirathmueller, Univ. of Washington

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Fiona Harrison

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