Violent silicate volcanism on Io in 1996 | Zendy

Stansberry J. A. | Zendy; Spencer J. R. | Zendy; Howell R. R. | Zendy; Dumas C. | Zendy; Vakil D. | Zendy

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Violent silicate volcanism on Io in 1996

Author(s) -

Stansberry J. A.,

Spencer J. R.,

Howell R. R.,

Dumas C.,

Vakil D.

Publication year - 1997

Publication title -

geophysical research letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.007

H-Index - 273

eISSN - 1944-8007

pISSN - 0094-8276

DOI - 10.1029/97gl02593

Subject(s) - lava , volcano , volcanism , thermal emission , silicate , geology , thermal , astrobiology , earth science , atmospheric sciences , seismology , physics , meteorology , astronomy , tectonics

We monitored Io's volcanic thermal emission from 1.7 to 4.8 µ m in 1995/96. The data reveal a number of brightenings when Io's thermal emission increased several‐fold. We use a model of emission from lava flows to understand observations of two brightenings in 1996. The brightenings were caused by eruptions ≃ 3km² in extent, with eruptive rates of 10 4 ‐10 6 m²s −1 and with maximum lava temperatures ≥ 1400 K. These events were probably lava lakes and/or fire fountains.

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