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West Mata Volcano | John Seach
Tonga
15.10 S , 173.75 W
Summit elevation -1174 m
Submarine volcano
West Mata volcano is located at the northern end of the Tonga volcanic arc. The volcano was discovered during a November 2008.
2009 eruption
In
early May 2009 eruptions occurred at two vents, at the end of a 5 km
long fissure. Pillow lava was erupted at a depth of 1208 m.
Prometheus vent erupted explosively and ejected tephra into the
water.
Further reading
Clague, David A., et al. "Volcanic morphology of West Mata Volcano, NE Lau Basin, based on high‐resolution bathymetry and depth changes." Geochemistry, Geophysics, Geosystems 12.11 (2011).
West Mata Volcano Eruptions
2009