Loki, Io:A periodic volcano

Rathbun, J. A. and Spencer, J. R. and Davies, A. G. and Howell, R. R. and Wilson, Lionel (2002) Loki, Io:A periodic volcano. Geophysical Research Letters, 29 (10). p. 1443. ISSN 0094-8276

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Loki is the most powerful volcano in the Solar System. It has been observed to be in continuous though variable activity since 1979. Synthesis of more than a decade of groundbased data suggests that Loki eruptions are cyclic, with a 540 day period. Application of a simple lava cooling model to temperatures in Loki Patera, and eruption start and end times, implies that brightenings are due to a resurfacing wave propagating across the patera. The data are most consistent with lava lake overturn, but resurfacing by lava flows cannot be ruled out. A porosity gradient in the lake crust could cause lava lake overturn to occur periodically on the timescale observed.

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Geophysical Research Letters
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19 Jan 2009 16:10
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21 Nov 2022 18:47