Imaging of volcanic activity on Jupiter's moon Io by Galileo during the Galileo Europa Mission and the Galileo Millennium Mission

L. Keszthelyi, A. S. McEwen, C. B. Phillips, M. Milazzo, P. Geissler, E. P. Turtle, J. Radebaugh, David Williams, D. P. Simonelli, H. H. Breneman, K. P. Klaasen, G. Levanas, T. Denk, D. D A Alexander, K. Capraro, S. H. Chang, A. C. Chen, J. Clark, D. L. Conner, A. CulverT. H. Handley, D. N. Jensen, D. D. Knight, S. K. LaVoie, M. McAuley, V. Mego, O. Montoya, H. B. Mortensen, S. J. Noland, R. R. Patel, T. M. Pauro, C. L. Stanley, D. J. Steinwand, T. F. Thaller, P. J. Woncik, G. M. Yagi, J. R. Yoshimizu, E. M. Alvarez Del Castillo, M. J S Belton, R. Beyer, D. Branston, M. B. Fishburn, B. Mueller, R. Ragan, N. Samarasinha, C. D. Anger, C. Cunningham, B. Little, S. Arriola, E. Asphaug, E. Asphaug, J. Moore, D. Morrison, K. Rages, D. Banfield, M. Bell, J. A. Burns, B. Carcich, B. Clark, N. Currier, I. Dauber, P. J. Gierasch, P. Helfenstein, M. Mann, O. Othman, L. Rossier, N. Solomon, R. Sullivan, P. C. Thomas, J. Veverka, T. Becker, K. Edwards, L. Gaddis, R. Kirk, E. Lee, T. Rosanova, R. M. Sucharski, R. F. Beebe, A. Simon, K. Bender, F. Chuang, S. Fagents, P. Figueredo, R. Greeley, K. Homan, S. Kadel, J. Kerr, J. Klemaszewski, E. Lo, W. Schwarz, R. Sullivan, K. Williams, E. Bierhaus, S. Brooks, C. R. Chapman, B. Merline, J. Keller, P. Schenk, P. Tamblyn, A. Bouchez, U. Dyundian, A. P. Ingersoll, A. Showman, J. Spitale, S. Stewart, A. Vasavada, W. F. Cunningham, T. V. Johnson, T. J. Jones, J. M. Kaufman, K. P. Magee, M. K. Meredith, G. S. Orton, D. A. Senske, A. West, D. Winther, G. Collins, W. J. Fripp, J. W. Head, R. Pappalardo, S. Pratt, L. Procter, N. Spaun, T. Colvin, M. Davies, E. M. DeJong, J. Hall, S. Suzuki, Z. Gorjian, B. Giese, U. Koehler, G. Neukum, J. Oberst, T. Roatsch, W. Tost, P. Schuster, R. Wagner, N. Dieter, D. Durda, R. J. Greenberg, G. Hoppa, W. Jaeger, J. Plassman, R. Tufts, F. P. Fanale, J. C. Granahan, W. H. Ip, M. McElroy, J. Yatteau, W. B. Moore, G. Schubert, C. B. Pilcher

Research output: Contribution to journalArticle

87 Citations (Scopus)

Abstract

The Solid-State Imaging (SSI) instrument provided the first high- and medium-resolution views of Io as the Galileo spacecraft closed in on the volcanic body in late 1999 and early 2000. While each volcanic center has many unique features, the majority can be placed into one of two broad categories. The "Promethean" eruptions, typified by the volcanic center Prometheus, are characterized by long-lived steady eruptions producing a compound flow field emplaced in an insulating manner over a period of years to decades. In contrast, "Pillanian" eruptions are characterized by large pyroclastic deposits and short-lived but high effusion rate eruptions from fissures feeding open-channel or open-sheet flows. Both types of eruptions commonly have ∼100-km-tall, bright, SO 2-rich plumes forming near the flow fronts and smaller deposits of red material that mark the vent for the silicate lavas.

Original languageEnglish (US)
Article number2000JE001383
Pages (from-to)33025-33052
Number of pages28
JournalJournal of Geophysical Research E: Planets
Volume106
Issue numberE12
StatePublished - Dec 25 2001

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Galileo project
Europa
Io
Moon
natural satellites
Jupiter (planet)
Jupiter
volcanic eruptions
volcanology
Volcanic Eruptions
Deposits
volcanic eruption
Imaging techniques
Silicates
Vents
Spacecraft
Flow fields
Prometheus
deposits
Galileo spacecraft

ASJC Scopus subject areas

  • Oceanography
  • Astronomy and Astrophysics
  • Atmospheric Science
  • Space and Planetary Science
  • Earth and Planetary Sciences (miscellaneous)
  • Geophysics
  • Geochemistry and Petrology

Cite this

Keszthelyi, L., McEwen, A. S., Phillips, C. B., Milazzo, M., Geissler, P., Turtle, E. P., ... Pilcher, C. B. (2001). Imaging of volcanic activity on Jupiter's moon Io by Galileo during the Galileo Europa Mission and the Galileo Millennium Mission. Journal of Geophysical Research E: Planets, 106(E12), 33025-33052. [2000JE001383].

Imaging of volcanic activity on Jupiter's moon Io by Galileo during the Galileo Europa Mission and the Galileo Millennium Mission. / Keszthelyi, L.; McEwen, A. S.; Phillips, C. B.; Milazzo, M.; Geissler, P.; Turtle, E. P.; Radebaugh, J.; Williams, David; Simonelli, D. P.; Breneman, H. H.; Klaasen, K. P.; Levanas, G.; Denk, T.; Alexander, D. D A; Capraro, K.; Chang, S. H.; Chen, A. C.; Clark, J.; Conner, D. L.; Culver, A.; Handley, T. H.; Jensen, D. N.; Knight, D. D.; LaVoie, S. K.; McAuley, M.; Mego, V.; Montoya, O.; Mortensen, H. B.; Noland, S. J.; Patel, R. R.; Pauro, T. M.; Stanley, C. L.; Steinwand, D. J.; Thaller, T. F.; Woncik, P. J.; Yagi, G. M.; Yoshimizu, J. R.; Alvarez Del Castillo, E. M.; Belton, M. J S; Beyer, R.; Branston, D.; Fishburn, M. B.; Mueller, B.; Ragan, R.; Samarasinha, N.; Anger, C. D.; Cunningham, C.; Little, B.; Arriola, S.; Asphaug, E.; Asphaug, E.; Moore, J.; Morrison, D.; Rages, K.; Banfield, D.; Bell, M.; Burns, J. A.; Carcich, B.; Clark, B.; Currier, N.; Dauber, I.; Gierasch, P. J.; Helfenstein, P.; Mann, M.; Othman, O.; Rossier, L.; Solomon, N.; Sullivan, R.; Thomas, P. C.; Veverka, J.; Becker, T.; Edwards, K.; Gaddis, L.; Kirk, R.; Lee, E.; Rosanova, T.; Sucharski, R. M.; Beebe, R. F.; Simon, A.; Bender, K.; Chuang, F.; Fagents, S.; Figueredo, P.; Greeley, R.; Homan, K.; Kadel, S.; Kerr, J.; Klemaszewski, J.; Lo, E.; Schwarz, W.; Sullivan, R.; Williams, K.; Bierhaus, E.; Brooks, S.; Chapman, C. R.; Merline, B.; Keller, J.; Schenk, P.; Tamblyn, P.; Bouchez, A.; Dyundian, U.; Ingersoll, A. P.; Showman, A.; Spitale, J.; Stewart, S.; Vasavada, A.; Cunningham, W. F.; Johnson, T. V.; Jones, T. J.; Kaufman, J. M.; Magee, K. P.; Meredith, M. K.; Orton, G. S.; Senske, D. A.; West, A.; Winther, D.; Collins, G.; Fripp, W. J.; Head, J. W.; Pappalardo, R.; Pratt, S.; Procter, L.; Spaun, N.; Colvin, T.; Davies, M.; DeJong, E. M.; Hall, J.; Suzuki, S.; Gorjian, Z.; Giese, B.; Koehler, U.; Neukum, G.; Oberst, J.; Roatsch, T.; Tost, W.; Schuster, P.; Wagner, R.; Dieter, N.; Durda, D.; Greenberg, R. J.; Hoppa, G.; Jaeger, W.; Plassman, J.; Tufts, R.; Fanale, F. P.; Granahan, J. C.; Ip, W. H.; McElroy, M.; Yatteau, J.; Moore, W. B.; Schubert, G.; Pilcher, C. B.

In: Journal of Geophysical Research E: Planets, Vol. 106, No. E12, 2000JE001383, 25.12.2001, p. 33025-33052.

Research output: Contribution to journalArticle

Keszthelyi, L, McEwen, AS, Phillips, CB, Milazzo, M, Geissler, P, Turtle, EP, Radebaugh, J, Williams, D, Simonelli, DP, Breneman, HH, Klaasen, KP, Levanas, G, Denk, T, Alexander, DDA, Capraro, K, Chang, SH, Chen, AC, Clark, J, Conner, DL, Culver, A, Handley, TH, Jensen, DN, Knight, DD, LaVoie, SK, McAuley, M, Mego, V, Montoya, O, Mortensen, HB, Noland, SJ, Patel, RR, Pauro, TM, Stanley, CL, Steinwand, DJ, Thaller, TF, Woncik, PJ, Yagi, GM, Yoshimizu, JR, Alvarez Del Castillo, EM, Belton, MJS, Beyer, R, Branston, D, Fishburn, MB, Mueller, B, Ragan, R, Samarasinha, N, Anger, CD, Cunningham, C, Little, B, Arriola, S, Asphaug, E, Asphaug, E, Moore, J, Morrison, D, Rages, K, Banfield, D, Bell, M, Burns, JA, Carcich, B, Clark, B, Currier, N, Dauber, I, Gierasch, PJ, Helfenstein, P, Mann, M, Othman, O, Rossier, L, Solomon, N, Sullivan, R, Thomas, PC, Veverka, J, Becker, T, Edwards, K, Gaddis, L, Kirk, R, Lee, E, Rosanova, T, Sucharski, RM, Beebe, RF, Simon, A, Bender, K, Chuang, F, Fagents, S, Figueredo, P, Greeley, R, Homan, K, Kadel, S, Kerr, J, Klemaszewski, J, Lo, E, Schwarz, W, Sullivan, R, Williams, K, Bierhaus, E, Brooks, S, Chapman, CR, Merline, B, Keller, J, Schenk, P, Tamblyn, P, Bouchez, A, Dyundian, U, Ingersoll, AP, Showman, A, Spitale, J, Stewart, S, Vasavada, A, Cunningham, WF, Johnson, TV, Jones, TJ, Kaufman, JM, Magee, KP, Meredith, MK, Orton, GS, Senske, DA, West, A, Winther, D, Collins, G, Fripp, WJ, Head, JW, Pappalardo, R, Pratt, S, Procter, L, Spaun, N, Colvin, T, Davies, M, DeJong, EM, Hall, J, Suzuki, S, Gorjian, Z, Giese, B, Koehler, U, Neukum, G, Oberst, J, Roatsch, T, Tost, W, Schuster, P, Wagner, R, Dieter, N, Durda, D, Greenberg, RJ, Hoppa, G, Jaeger, W, Plassman, J, Tufts, R, Fanale, FP, Granahan, JC, Ip, WH, McElroy, M, Yatteau, J, Moore, WB, Schubert, G & Pilcher, CB 2001, 'Imaging of volcanic activity on Jupiter's moon Io by Galileo during the Galileo Europa Mission and the Galileo Millennium Mission', Journal of Geophysical Research E: Planets, vol. 106, no. E12, 2000JE001383, pp. 33025-33052.
Keszthelyi L, McEwen AS, Phillips CB, Milazzo M, Geissler P, Turtle EP et al. Imaging of volcanic activity on Jupiter's moon Io by Galileo during the Galileo Europa Mission and the Galileo Millennium Mission. Journal of Geophysical Research E: Planets. 2001 Dec 25;106(E12):33025-33052. 2000JE001383.
Keszthelyi, L. ; McEwen, A. S. ; Phillips, C. B. ; Milazzo, M. ; Geissler, P. ; Turtle, E. P. ; Radebaugh, J. ; Williams, David ; Simonelli, D. P. ; Breneman, H. H. ; Klaasen, K. P. ; Levanas, G. ; Denk, T. ; Alexander, D. D A ; Capraro, K. ; Chang, S. H. ; Chen, A. C. ; Clark, J. ; Conner, D. L. ; Culver, A. ; Handley, T. H. ; Jensen, D. N. ; Knight, D. D. ; LaVoie, S. K. ; McAuley, M. ; Mego, V. ; Montoya, O. ; Mortensen, H. B. ; Noland, S. J. ; Patel, R. R. ; Pauro, T. M. ; Stanley, C. L. ; Steinwand, D. J. ; Thaller, T. F. ; Woncik, P. J. ; Yagi, G. M. ; Yoshimizu, J. R. ; Alvarez Del Castillo, E. M. ; Belton, M. J S ; Beyer, R. ; Branston, D. ; Fishburn, M. B. ; Mueller, B. ; Ragan, R. ; Samarasinha, N. ; Anger, C. D. ; Cunningham, C. ; Little, B. ; Arriola, S. ; Asphaug, E. ; Asphaug, E. ; Moore, J. ; Morrison, D. ; Rages, K. ; Banfield, D. ; Bell, M. ; Burns, J. A. ; Carcich, B. ; Clark, B. ; Currier, N. ; Dauber, I. ; Gierasch, P. J. ; Helfenstein, P. ; Mann, M. ; Othman, O. ; Rossier, L. ; Solomon, N. ; Sullivan, R. ; Thomas, P. C. ; Veverka, J. ; Becker, T. ; Edwards, K. ; Gaddis, L. ; Kirk, R. ; Lee, E. ; Rosanova, T. ; Sucharski, R. M. ; Beebe, R. F. ; Simon, A. ; Bender, K. ; Chuang, F. ; Fagents, S. ; Figueredo, P. ; Greeley, R. ; Homan, K. ; Kadel, S. ; Kerr, J. ; Klemaszewski, J. ; Lo, E. ; Schwarz, W. ; Sullivan, R. ; Williams, K. ; Bierhaus, E. ; Brooks, S. ; Chapman, C. R. ; Merline, B. ; Keller, J. ; Schenk, P. ; Tamblyn, P. ; Bouchez, A. ; Dyundian, U. ; Ingersoll, A. P. ; Showman, A. ; Spitale, J. ; Stewart, S. ; Vasavada, A. ; Cunningham, W. F. ; Johnson, T. V. ; Jones, T. J. ; Kaufman, J. M. ; Magee, K. P. ; Meredith, M. K. ; Orton, G. S. ; Senske, D. A. ; West, A. ; Winther, D. ; Collins, G. ; Fripp, W. J. ; Head, J. W. ; Pappalardo, R. ; Pratt, S. ; Procter, L. ; Spaun, N. ; Colvin, T. ; Davies, M. ; DeJong, E. M. ; Hall, J. ; Suzuki, S. ; Gorjian, Z. ; Giese, B. ; Koehler, U. ; Neukum, G. ; Oberst, J. ; Roatsch, T. ; Tost, W. ; Schuster, P. ; Wagner, R. ; Dieter, N. ; Durda, D. ; Greenberg, R. J. ; Hoppa, G. ; Jaeger, W. ; Plassman, J. ; Tufts, R. ; Fanale, F. P. ; Granahan, J. C. ; Ip, W. H. ; McElroy, M. ; Yatteau, J. ; Moore, W. B. ; Schubert, G. ; Pilcher, C. B. / Imaging of volcanic activity on Jupiter's moon Io by Galileo during the Galileo Europa Mission and the Galileo Millennium Mission. In: Journal of Geophysical Research E: Planets. 2001 ; Vol. 106, No. E12. pp. 33025-33052.
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title = "Imaging of volcanic activity on Jupiter's moon Io by Galileo during the Galileo Europa Mission and the Galileo Millennium Mission",
abstract = "The Solid-State Imaging (SSI) instrument provided the first high- and medium-resolution views of Io as the Galileo spacecraft closed in on the volcanic body in late 1999 and early 2000. While each volcanic center has many unique features, the majority can be placed into one of two broad categories. The {"}Promethean{"} eruptions, typified by the volcanic center Prometheus, are characterized by long-lived steady eruptions producing a compound flow field emplaced in an insulating manner over a period of years to decades. In contrast, {"}Pillanian{"} eruptions are characterized by large pyroclastic deposits and short-lived but high effusion rate eruptions from fissures feeding open-channel or open-sheet flows. Both types of eruptions commonly have ∼100-km-tall, bright, SO 2-rich plumes forming near the flow fronts and smaller deposits of red material that mark the vent for the silicate lavas.",
author = "L. Keszthelyi and McEwen, {A. S.} and Phillips, {C. B.} and M. Milazzo and P. Geissler and Turtle, {E. P.} and J. Radebaugh and David Williams and Simonelli, {D. P.} and Breneman, {H. H.} and Klaasen, {K. P.} and G. Levanas and T. Denk and Alexander, {D. D A} and K. Capraro and Chang, {S. H.} and Chen, {A. C.} and J. Clark and Conner, {D. L.} and A. Culver and Handley, {T. H.} and Jensen, {D. N.} and Knight, {D. D.} and LaVoie, {S. K.} and M. McAuley and V. Mego and O. Montoya and Mortensen, {H. B.} and Noland, {S. J.} and Patel, {R. R.} and Pauro, {T. M.} and Stanley, {C. L.} and Steinwand, {D. J.} and Thaller, {T. F.} and Woncik, {P. J.} and Yagi, {G. M.} and Yoshimizu, {J. R.} and {Alvarez Del Castillo}, {E. M.} and Belton, {M. J S} and R. Beyer and D. Branston and Fishburn, {M. B.} and B. Mueller and R. Ragan and N. Samarasinha and Anger, {C. D.} and C. Cunningham and B. Little and S. Arriola and E. Asphaug and E. Asphaug and J. Moore and D. Morrison and K. Rages and D. Banfield and M. Bell and Burns, {J. A.} and B. Carcich and B. Clark and N. Currier and I. Dauber and Gierasch, {P. J.} and P. Helfenstein and M. Mann and O. Othman and L. Rossier and N. Solomon and R. Sullivan and Thomas, {P. C.} and J. Veverka and T. Becker and K. Edwards and L. Gaddis and R. Kirk and E. Lee and T. Rosanova and Sucharski, {R. M.} and Beebe, {R. F.} and A. Simon and K. Bender and F. Chuang and S. Fagents and P. Figueredo and R. Greeley and K. Homan and S. Kadel and J. Kerr and J. Klemaszewski and E. Lo and W. Schwarz and R. Sullivan and K. Williams and E. Bierhaus and S. Brooks and Chapman, {C. R.} and B. Merline and J. Keller and P. Schenk and P. Tamblyn and A. Bouchez and U. Dyundian and Ingersoll, {A. P.} and A. Showman and J. Spitale and S. Stewart and A. Vasavada and Cunningham, {W. F.} and Johnson, {T. V.} and Jones, {T. J.} and Kaufman, {J. M.} and Magee, {K. P.} and Meredith, {M. K.} and Orton, {G. S.} and Senske, {D. A.} and A. West and D. Winther and G. Collins and Fripp, {W. J.} and Head, {J. W.} and R. Pappalardo and S. Pratt and L. Procter and N. Spaun and T. Colvin and M. Davies and DeJong, {E. M.} and J. Hall and S. Suzuki and Z. Gorjian and B. Giese and U. Koehler and G. Neukum and J. Oberst and T. Roatsch and W. Tost and P. Schuster and R. Wagner and N. Dieter and D. Durda and Greenberg, {R. J.} and G. Hoppa and W. Jaeger and J. Plassman and R. Tufts and Fanale, {F. P.} and Granahan, {J. C.} and Ip, {W. H.} and M. McElroy and J. Yatteau and Moore, {W. B.} and G. Schubert and Pilcher, {C. B.}",
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month = "12",
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TY - JOUR

T1 - Imaging of volcanic activity on Jupiter's moon Io by Galileo during the Galileo Europa Mission and the Galileo Millennium Mission

AU - Keszthelyi, L.

AU - McEwen, A. S.

AU - Phillips, C. B.

AU - Milazzo, M.

AU - Geissler, P.

AU - Turtle, E. P.

AU - Radebaugh, J.

AU - Williams, David

AU - Simonelli, D. P.

AU - Breneman, H. H.

AU - Klaasen, K. P.

AU - Levanas, G.

AU - Denk, T.

AU - Alexander, D. D A

AU - Capraro, K.

AU - Chang, S. H.

AU - Chen, A. C.

AU - Clark, J.

AU - Conner, D. L.

AU - Culver, A.

AU - Handley, T. H.

AU - Jensen, D. N.

AU - Knight, D. D.

AU - LaVoie, S. K.

AU - McAuley, M.

AU - Mego, V.

AU - Montoya, O.

AU - Mortensen, H. B.

AU - Noland, S. J.

AU - Patel, R. R.

AU - Pauro, T. M.

AU - Stanley, C. L.

AU - Steinwand, D. J.

AU - Thaller, T. F.

AU - Woncik, P. J.

AU - Yagi, G. M.

AU - Yoshimizu, J. R.

AU - Alvarez Del Castillo, E. M.

AU - Belton, M. J S

AU - Beyer, R.

AU - Branston, D.

AU - Fishburn, M. B.

AU - Mueller, B.

AU - Ragan, R.

AU - Samarasinha, N.

AU - Anger, C. D.

AU - Cunningham, C.

AU - Little, B.

AU - Arriola, S.

AU - Asphaug, E.

AU - Asphaug, E.

AU - Moore, J.

AU - Morrison, D.

AU - Rages, K.

AU - Banfield, D.

AU - Bell, M.

AU - Burns, J. A.

AU - Carcich, B.

AU - Clark, B.

AU - Currier, N.

AU - Dauber, I.

AU - Gierasch, P. J.

AU - Helfenstein, P.

AU - Mann, M.

AU - Othman, O.

AU - Rossier, L.

AU - Solomon, N.

AU - Sullivan, R.

AU - Thomas, P. C.

AU - Veverka, J.

AU - Becker, T.

AU - Edwards, K.

AU - Gaddis, L.

AU - Kirk, R.

AU - Lee, E.

AU - Rosanova, T.

AU - Sucharski, R. M.

AU - Beebe, R. F.

AU - Simon, A.

AU - Bender, K.

AU - Chuang, F.

AU - Fagents, S.

AU - Figueredo, P.

AU - Greeley, R.

AU - Homan, K.

AU - Kadel, S.

AU - Kerr, J.

AU - Klemaszewski, J.

AU - Lo, E.

AU - Schwarz, W.

AU - Sullivan, R.

AU - Williams, K.

AU - Bierhaus, E.

AU - Brooks, S.

AU - Chapman, C. R.

AU - Merline, B.

AU - Keller, J.

AU - Schenk, P.

AU - Tamblyn, P.

AU - Bouchez, A.

AU - Dyundian, U.

AU - Ingersoll, A. P.

AU - Showman, A.

AU - Spitale, J.

AU - Stewart, S.

AU - Vasavada, A.

AU - Cunningham, W. F.

AU - Johnson, T. V.

AU - Jones, T. J.

AU - Kaufman, J. M.

AU - Magee, K. P.

AU - Meredith, M. K.

AU - Orton, G. S.

AU - Senske, D. A.

AU - West, A.

AU - Winther, D.

AU - Collins, G.

AU - Fripp, W. J.

AU - Head, J. W.

AU - Pappalardo, R.

AU - Pratt, S.

AU - Procter, L.

AU - Spaun, N.

AU - Colvin, T.

AU - Davies, M.

AU - DeJong, E. M.

AU - Hall, J.

AU - Suzuki, S.

AU - Gorjian, Z.

AU - Giese, B.

AU - Koehler, U.

AU - Neukum, G.

AU - Oberst, J.

AU - Roatsch, T.

AU - Tost, W.

AU - Schuster, P.

AU - Wagner, R.

AU - Dieter, N.

AU - Durda, D.

AU - Greenberg, R. J.

AU - Hoppa, G.

AU - Jaeger, W.

AU - Plassman, J.

AU - Tufts, R.

AU - Fanale, F. P.

AU - Granahan, J. C.

AU - Ip, W. H.

AU - McElroy, M.

AU - Yatteau, J.

AU - Moore, W. B.

AU - Schubert, G.

AU - Pilcher, C. B.

PY - 2001/12/25

Y1 - 2001/12/25

N2 - The Solid-State Imaging (SSI) instrument provided the first high- and medium-resolution views of Io as the Galileo spacecraft closed in on the volcanic body in late 1999 and early 2000. While each volcanic center has many unique features, the majority can be placed into one of two broad categories. The "Promethean" eruptions, typified by the volcanic center Prometheus, are characterized by long-lived steady eruptions producing a compound flow field emplaced in an insulating manner over a period of years to decades. In contrast, "Pillanian" eruptions are characterized by large pyroclastic deposits and short-lived but high effusion rate eruptions from fissures feeding open-channel or open-sheet flows. Both types of eruptions commonly have ∼100-km-tall, bright, SO 2-rich plumes forming near the flow fronts and smaller deposits of red material that mark the vent for the silicate lavas.

AB - The Solid-State Imaging (SSI) instrument provided the first high- and medium-resolution views of Io as the Galileo spacecraft closed in on the volcanic body in late 1999 and early 2000. While each volcanic center has many unique features, the majority can be placed into one of two broad categories. The "Promethean" eruptions, typified by the volcanic center Prometheus, are characterized by long-lived steady eruptions producing a compound flow field emplaced in an insulating manner over a period of years to decades. In contrast, "Pillanian" eruptions are characterized by large pyroclastic deposits and short-lived but high effusion rate eruptions from fissures feeding open-channel or open-sheet flows. Both types of eruptions commonly have ∼100-km-tall, bright, SO 2-rich plumes forming near the flow fronts and smaller deposits of red material that mark the vent for the silicate lavas.

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JF - Journal of Geophysical Research: Atmospheres

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