5.1 1998 Dive Dates and Locations

ROPOS Dives R460 - R480



  Dive # Date Location
R460 JD 240-241

Aug 28-29

SE Caldera SRZ:

Mkrs N3, 33; Milky, The Pit, Cloud Vents

R461 JD 241-243

Aug 29-31

SE Caldera SRZ:

Rumbleometer; Mkrs 108,33,113; Cloud, Sulfide, Castle, Circular Vents

R462 JD 243 - 244

Aug 31 - Sept 1

SE Caldera SRZ:

Mkr-33, Cloud Vent

R463 JD 244 - 245

Sept 1 - 2

SE Caldera SRZ:

Easy, Milky Vents; (+ Imagenex survey)

R464 JD 245

Sept 2

SE Caldera SRZ:

Oxide, MiniSnow, The Pit, Snail, Mkr-108, Mkr-113, Castle Vents

R465 JD 246

Sept 3

South Rift Zone:

reconnaissance survey

R466 JD 247

Sept 4

ASHES:

Hell, ROPOS, Hillock/Phoenix, Hairdo and Inferno Vents

R467 JD 248 - 249

Sept 5 - 6

North Rift Zone:

Extensometers; Bob Vent: (+Imagenex survey)

R468 JD 250

Sept 7

ASHES:

Gollum, Hell, ROPOS, Hillock/Phoenix, Crack Vents

R469 JD 250 - 251

Sept 7 - 8

ASHES:

Medusa, Mushroom, Marshmallow, Gollum, Daves Styx and Fe-Hyde Vents; (+Imagenex survey)

R470 JD 251

Sept 8

North Rift Zone:

Extensometers

R471 JD 252

Sept 9

ASHES:

Gollum, Mushroom, White, Inferno, Hell Vents

R472 JD 252

Sept 9

ASHES:

Steve Mound, Hell, Phoenix, Medusa, Inferno Vents

R473 JD 253 - 254

Sept 10 - 11

SE Caldera SRZ:

Easy, Milky, Roof, The Pit, Snowblower, Mkr-33, Mkr-108, Cloud, Castle Vents; (+Imagenex survey)

R474 JD 255

Sept 12

SE Caldera SRZ:

The Pit, Milky Vents; Rumbleometer; Lava Flow Mapping Traverses

R475   Dive aborted
R476 JD 256 - 257

Sept 13 - 14

SE Caldera SRZ:

Magnesia, Easy, Old Worms, Milky Vents;

Lava flow traverses; (+ Imagenex survey)

R477 JD 258

Sept 15

SE Caldera SRZ:

Rumbleometer; Mkr-33 Vent

R478 JD 258

Sept 15

SE Caldera SRZ:

Mkr-33, Mkr-n4, Cloud, Nascent Vents

R479 JD 259 - 260

Sept 16 - 17

Northern traverse along caldera wall:

ASHES:

Hell, Virgin, Mushroom, Medusa, Inferno Vents; (+Imagenex survey)

R480 JD 261 - 262

Sept 18 - 19

North Rift Zone and Northern Caldera Wall:

Extensometers; CASM (Shepherd?) Vent