What temperature, measured in Kelvin, have some of Io's lava flows approached, indicating extremely hot magma?

Answer

1,600 K

Lava flows observed on Io have been measured at temperatures approaching 1,600 K, which is significantly hotter than typical terrestrial basaltic lavas.

What temperature, measured in Kelvin, have some of Io's lava flows approached, indicating extremely hot magma?
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