John Seach, Volcano Live

 Sydney Volcano - John Seach
NSW, Australia

33.0 S, 150.6 E
Lava-field province
Extinct volcano

Sydney is Australia's major city with a population over 4 million.
Sydney is the location of ancient volcanic activity.

Features of Sydney Volcano
Diatremes are very common in the Sydney basin.
Dykes and plugs are located along the coast from Broken Bay to Wollongong.

Eruptions of Sydney Volcano
19-57 million years ago

Sydney Volcano
Copyright John Seach