AN EMOTIONAL OUTBURST ALIENATES ONE CASTAWAY AND JEOPARDIZES THEIR CHANCES OF MAKING IT TO THE FINAL FOUR, ON "SURVIVOR: VANUATU -- ISLANDS OF FIRE," THURSDAY, DEC. 9

"Eruptions of Volcanic Magnitude!" -- One castaway alienates themself and jeopardizes a position in the Final Four after a disturbing outburst, on SURVIVOR: VANUATU -- ISLANDS OF FIRE, Thursday, Dec. 9 (8:00-9:00 PM, ET/PT), on the CBS Television Network.

Meantime, tempers flare when one tribe member refuses to tell another the whereabouts of some buried provisions. Two survivors are caught talking strategy by a fellow tribe mate, which then erupts into an altercation that makes everyone realize all that is at stake. One tribe member, working both sides of a divided camp, makes conflicting promises going into Tribal Council. Which way will the tribe member vote? And, who will be the Final Four?

And, the fourteenth member is voted out of the tribe.

YASUR (Yellow):
Julie Berry (23) -- Gorham, Maine
Ami Cusack (31) -- Lakewood, Colo.
Mia Galeotalanza (30) -- Tom's River, N.J.
Lisa Keiffer (44) -- New Orleans
Scout Cloud Lee (59) -- Stillwater, Okla.
Leann Slaby (35) -- Kansasville, Wis.
Dolly Neely (25) -- Mercer, Penn.
Eliza Orlinz (21) -- Syracuse, N.Y.
Twila Tanner (41) -- Marshall, Mo.

LOPEVI (Red):
Chad Crittenden (35, amputee) -- Oakland, Calif.
Chris Daugherty (34) -- South Vienna, Ohio
Brady Finta (33) -- Huntington Beach, Calif.
Rory Freeman (35) -- Des Moines, Iowa
Brook Geraghty (27) -- Winthrop, Mass.
John Kenney (22) -- Los Angeles
Lea "Sarge" Masters (40) -- Columbia, S.C.
John Palyok (31) -- Los Angeles
Travis "Bubba" Simpson (33) -- Blountville, Tenn.

SURVIVOR: VANUATU -- ISLANDS OF FIRE is produced by SEG, Inc. Mark Burnett and Tom Shelly are the executive producers.

For more detailed information on SURVIVOR: VANUATU -- ISLANDS OF FIRE, log on to www.cbs.com/survivor. For more information on Vanuatu, log on to www.vanuatutourism.com.

RATING: To Be Announced