Approved For Release 2000/08/08 : CIA-IRDP96-00789rpl'400330001 -0 RE"MOTP V1Eh1jN(', SEF)'-SION DATA Remote Viewer Interviewer Observer Date Startilig tive NO hours, local Site Acquisition f)y: EPV PRV ARV BRV Other rTV) Working mode HEM Gthor Feec1back class, A B A, A 1h A kk A Ending time hours, Iocal Notes Old Highest stage Evaluation 'Actual site __04 RV summary *A*** *,A* 4, 1~k *A -A** A,** A***** k. Approved For Release 2000/08/08 CIA-RDP96-00789 ROO 1400330001 -0 Approved For Release 2000/08/08 CIA-RDP96-00789 ROO 1400330001 -0 SG1J SG1J m A4 tAD -' XJ,6 A S -S ;r,- e-- AIV ,,(-,d Z/'k VV ,V f-t4,P I- A,/P /71 Fez S,O .1 jai k 4/4 CJ AA. #.J4 Approved For Release 2000/08/08 CIA-RDP96-00789 ROO 1400330001 -0 Approved For Release 2000/08/08 CIA-RDP96-00789 ROO 1400330001 -0 f /J t ~d A4 Aj A-ef f AJ s- 01 Approved For Release 2000/08/08 CIA-RDP96-00789 ROO 1400330001 -0 Approved For Release 2000/08/08 CIA-RDP96-00789 ROO 1400330001 -0 A) tA-1 4,- 5410 AJO -663- ej C-O'Se rot Approved For Release 2000/08/08 CIA-RDP96-00789 ROO 1400330001 -0 %J Approved For Release 2000/08/08 : CIA-RDP96-00789 ROO 1400330001 -0 C-S, IL f-, r-Lni 6 POO P '01i ef-prz_ (-- 4-ILIry. Approved For Release 2000/08/08 CIA-RDP96-00789 ROO 1400330001 -0 Approved For Release 2000/08/08 CIA-RDP96-00789 ROO 1400330001 -0 5 2, C- 9,6 C- ,f 40- b 1) Approved For Release 2000/08/08 CIA-RDP96-00789 ROO 1400330001 -0 'A Approved For Release 2000/08/08 CIA-RDP96-00789 ROO 1400330001 -0 S A '77 pt, L 13 %J S84.~ (--, 4*7 0 1,e7 X':f- c V,e j0 C- Approved For Release 2000/08/08 CIA-RDP96-00789 ROO 1400330001 -0 Approved For Release 2000/08/08 : CIA-RDP96-00789 ROO 1400330001 -0 z, p A-A7 C 50 c-.4 e--j C- 4), &,be-p ,e 0-~ A tt4-4V, '0'k , , Approved For Release 2000/08/08 CIA-RDP96-00789 ROO 1400330001 -0 Approved For Release 2000/08/08 CIA-RDP96-00789 ROO 1400330001 -0 no 0 0e er AO -e C- C Approved For Release 2000/08/08 CIA-RDP96-00789 ROO 1400330001 -0 Approved For Release 2000/08/08 : CIA-RDP96-00789 ROO 1400330001 -0 OIC/I _S2-' L,:N Pe C=20 Ole- Ir- C-- X.ejL- -,S 4r, Of 6113 vo-n r I TW/ A/ K-A-A P C 6->,Wj fb Approved For Release 2000/08/08 : CIA-RDP96-00789 ROO 1400330001 -0 Approved For Release 2000/08/08 : CIA-RDP96-00789 ROO 1400330001 -0 jn~ S? A:w 6- tto 6t) A-7 'tt fi!!~- A) r4fqo 4C-Y - Trr",j /7 Approved For Release 2000/08/08 CIA-RDP96-00789 ROO 1400330001 -0 Approved For Release 2000/08/08 CIA-RDP96-00789 ROO 1400330001 -0 &-Jt C, C5 1,1-,t J,A) 0 53D Approved For Release 2000/08/08 CIA-RDP96-00789 ROO 1400330001 -0 /S- Approved For Release 2000/08/08 CIA-RDP96-00789 ROO 1400330001 -0 CPYRGHT A34 NL)Aii'. Nowmr;ER "). 1983 T7ASiJ!NGT0-, P0517 THE ERUPTION OF THE NEVADA DEL RUIZ on 'Varned of a Ma or _011OW-U-) J 'Irm'Onic Tremors, Mud Slides T~weded Colornb- ian _81asi years, but everybodysiceping twris still knew it in the valley -,.vas as was a vokano.7 deep as 15 to - 20 feet. erupt when the A lesser -mud just as Washington'tmciften flow on the Jolount St western . red that normallyside of the mountain Lzlen.~ did 'fiftlies far hiside was su!l years .ago the the . woun~a;u starts erough to cre3te 40rabiau v*aW rising up, heatingan artificial N"WG del Rl~' dam in the rock above the Quali R"Jer z: erupted Wedne3tlayit aud forcing above the town night gave it of " ' ; aside. Mariquita ut numerous teNtale .vh sips in the ch CGlombian offi- ist I I mouths There were signs 6als were attempting that it was in recent to evacuate buMn g ou-4rd a major weeks that a giantbefore the niud-filled erupitkiti. pool of moiten dam broke rock (magma) as apart on its A-, long hot as 2.200 own. Floods go as iast Decemberde- from melt- , grees Fahrenheit iag snow and h had begun to ice were reported eirz--o-,`aD stz in 1; begar to Pick up ',.~e inside the mountainfber rivers %,,!--ose LaiIliag~- of and had begun hendwaters begin ?amvxk C th - - to move upward, on the mountain. .U pushing aside bk,, the vok"o the that Zllp ~e harbinge tons of rock thatThe physical r3 of *WW thhto Jay in its way. similarity between to The onle. In t6litale signs the eruption Mamb of tb% year.of moving rnagna of Nevado del there " Ruiz and Mount St. Fefees llert~ several Were is striking. Satan stean the Both 4..nd ash harriltinic tremore in he earth near the volcanoes slowly vo~_c- that appar-buill to eruptions ently iw-ere pickedand both eriptions up kv seismiciis-did most of their tening devices early darnage - in the two molithswith inud slides- b The -Every- since- the Q slidehuge snov. and knew of bept- i i ice pack on ,o4), borh d6 1 1. JUmwaic tremors mountairls me, TMI ~a kkt are rhythrrue ed in the heat 1 ti -of i t h i l . Mo erupLon, cascading = ota tons of water I n t - nvo 1 ve an I e earth that . almost continuousand mud down i release of seis- the flank of 4 ' ' the ~ *_ L/ Md W. f= mountains L-itia Wt eiberly. While the river valleys SjJ earthquakes be- ffffed COM fu *$Odelk low. 4t only MWN~n &A-4W and then 57 people died e- in the harmOuic treMOM Mou for long t S SO H l .- n P L M e ens eruption, which MrS -K)ds at a steadyoccurred in a M frequency. ' Parseiy populated Christiansen saidarea. that harmonic - Dr, Roblirt ClFktkumtrMQM &M.always Nevado del R= USM the result of is the largest roovNig Magma and tallest a ' and urially are six vokanoes the strunz ar,,M-giow nea: first, sipt of out in a lizie tbi ip~ 4a hupeadh* majorthrough central Colom- .7.400-109t SummitMptift The U.& bia. The nartherrmou that 4214ed Geologkal Sur. voicano, in nore iv~elent voy .R-.id ye-tterdlaythe A-1- Mountains, aq-tivity. ard that Nv-vad,~ Nevad, del &,-n m +_4 M J0 "11I. Willem largest mud slides in South Amer- sen said. This means they retain building in strength datil'it exwe& ican history. The USGS' Dr. Darrel their gases, allowing pressure to the weigint of the rocks- a6iiiie that G. Herd described it as a "wall of build, rather than venting them in a are hokling it in. The -SUR can be rnud,'trees and ice that went racing v.,ay th, at would relieve the pressure apothex eruPtim The- tRiid_eiuVfi& dourr, the v.pe.~ to t!le Rio Mag- that bu'-!ds uD -'O!raneejj~ ~.' ('f Nevmlo ;"Pi Rill- Wediie--Aay Approved For Release 2000/08/08 CIA-RDP96-00789 ROO 1400330001 -0 Approved For Release 2000/08/08 : CIA-RDP96-00789 ROO 1400330001 -0 CPYRGHT more violf-ri, ?---tivity, and thea or. Sept. 11 of !his year t1jere wa~ ao :eruption, th,~t melted enougk snow ancI!ce rn E%e v,~ak to tngger a brad; -fice 20 nn!-;),)i,- 'I"s no; surpnsang, ror -t~e Violence of t~,e eruprio.-!~; tha-, :,4-took the moutam We6nes&v -tiglit," Dr. Robert Christiansen of i;ie U-S. Geological 'Sui vey (USGS) t~Aid by telenhone from his office in -27.110 Park, Calif. 'Every t Zil body this wasa volcan~,i, that hadn't a ni-tior erupticlu iii 4W Y7 cano Kills I I'lousa--tidS. in- uolarnbia ji-5. vey aid yest~-;,day that Nt:v,--6,) Ru:Z suffered -two caristrop~,ic erupfions~ Weenesdov night bi!- tWeen 11 P.m. aWl yn'~~--)ighi The back-r~A~----k erupiio7,F, on the flaflk CA the miou;!t-.A,~i 1. 1- melted Lnougj ice and snow on the mcuntaintop to trigger what tl~e USGS called "two catastrophic mud down the northeast flank: which were channeled directly into d the Lagimill-as River in the broa valley at the base of the mountain. Eyewitnesses said the mud in four VOLCANO. FMUM ~.Af supplies, p(Anble water ~n~, 'r!~-Dort equ:pment m h--I,, in a re~~,ue aJklrt nampered by -he ,-e -nuct; :-~ of bringts foads. radiu am ~elevi~,aon ad vised people ia t4e disaster zone mt V~ trom local lva:er supplies, -were feared contarnirated by --e U.S. Agency Wlshiugton. th fGr Development said 12 he'~;ccoters w~-re dispatched to ,'-)e -cene fcorr. a hase in Panama, at the request of Colombia. A state- -nert said AID r6ef expen Paul Be!l and Darrell Herd of the U.S. Geollogical Survey in Reston, who has studied the volcano, %i~re en route to oftes assistam;e.] - The the mwA seriov-'y affected townwas A~mero, with a population