IntheField
Onceinthefield,theteamgottowork.First,theysetuptheircameras.Theywantedtotaketime‑lapsephotosofthe vent.
Threecamerasweresetup.Theywereputinseparateplacesbutallaimedatthesamepoint.Thecameraswouldbestartedusingaremotecontrol.Thenphotoscouldbetakenatthesame time.
Theteamtooktestshotstomakesurethecameraswereworking.Then,theyweighedthemdownwithrockstoholdtheminplace.Everythingwasready now!
Grockeinspectsthecamerasandothergearbeforesettingthem up.
![](/nationalgeographic/trailblazer_november_december_2018/in_the_field_and_routine_maintenance/192334/imagevolc.1440_0_1.jpg)
RoutineMaintenance
Duringtheday,thecameraswouldtakeonepictureeveryfiveseconds.Atnight,onepictureeveryminutewouldbetaken.Theteamwouldtakepicturesfor36 hours straight.
![](/nationalgeographic/trailblazer_november_december_2018/in_the_field_and_routine_maintenance/192331/routine_maintenance.640_0_1.jpg)
Thesethreecameraswillbeconnectedusingradiotransmittersandreceivers,sothattheycantakephotosofthelavadomeatthesametimefromthreedifferent places.
Batteriesinthecamerashadtobechangedeveryeighthours.Thiswashardtodoatnight.Theteamusedheadlampsandhikingpolestohelpthemreachthe cameras.
Grocketooknotesofherobservations.Salazartookthousandsofphotographs.AndDonihueusedadronetocollectdataandtakepicturesfromthe air.