Post on 24-Aug-2020
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[m]
Figure
2.
A01
A01
A01
A01
A01
A01
A02
A02
A02
A02
A02
A02
S01Z
S01Z
S03Z
S03ZS02Z
S02Z
S04Z
S04Z
S05Z
S05Z
S06Z
S06Z
Depth
FigAn
examp
lefor
theVe
locity
analys
ispane
lure
7.
FigSta
cking
sectio
nure
8.tim
e
Figure
5.Lo
cation
mapo
fther
eflect
ionsp
rofiles
Figure
1.Lo
cation
mapo
fthete
starea
Figure
6.Re
ftek1
25rec
order
CTBT
OOn
-siteI
nspect
ionDiv
isiono
rganis
edan
Advan
cedCo
ursefo
rpote
ntialp
articip
antso
fthe
Integr
atedF
ildEx
perim
ent(A
S-IFE
08)in
period
of21
Octob
er-2
Novem
ber200
7in
Peace
Suppo
rtCent
re(Szo
lnok,H
ungary
)andin
aneig
hbouri
ngilit
aryare
ainT
áborfa
lva.
ASei
smicA
ftersh
ockMo
nitori
ngSy
stem(
SAMS
)tes
twas
carrie
dout
inTá
borfa
lva(H
ungary
)inord
erto
analys
ethe
detect
ionthr
eshold
s,nois
elev
elsand
geolog
icalco
nstrai
ns-w
ithsim
ulated
seism
iceven
ts(Fi
gure1
.)At
eight
locati
ons
twenty-
nine
ofsm
allund
ergrou
ndexp
losion
s(50-1
00-200
-400-8
00g
TNT)
were
deton
ated
torep
roduce
week
afters
hocks
aiming
atdete
ction
events
below
magnitu
dezer
o.Fie
ldins
tallatio
noftw
omini
-arr
ays(Fi
gure
1.,AC
01,AC
02)and
eight
three-
componen
tsingl
estati
ons(Fi
gure1
.,S01-S0
8)det
ected
thegen
erated
signal
s.Fin
allyon-
sitedat
aana
lysis
foreve
ntide
ntific
ation
was
succes
sfully
includ
edin
thetra
ining
progra
m-
SAMS
team
wasa
bleto
recogn
iseall
genera
tedaft
ershoc
ks.
ethe
m .
of
Thea
ctives
ource
seism
icrefl
ectivi
tymeth
odiso
neof
theapp
roved
CPTt
echnol
ogies
.Noo
therm
ethod
proces
sessuc
hares
olutio
npow
ertoim
agethe
under
groun
dand
itsnat
ural-o
rman-
made
distur
bances
(e.g.C
avities
,fault
s,etc)
.8
Thed
etailed
imagi
ngoft
heupper
00ms
edime
ntarys
trataw
ascarr
iedout
along
a600
mlong
profile
using
30sm
allexp
losion
swith
300ge
xplos
ivesin
3mdee
pbore
holes.
Aline
ofsin
gle,on
e-com
ponen
tgeoph
onesw
erelaid
outat1
0mspa
cinge
ach.A
utonomo
us(ca
ble-fre
e)sei
smicrec
orders
were
deploy
edateac
hgeop
honeloca
tion-
with
contin
uousd
etectio
nofseis
mics
ignals
with
high
sampli
ngrat
e.
Dataa
cquisit
ionpar
amete
rsalon
gthe
longer
line
eophone
distan
ce:10
mum
berof
receiv
ers:
61uni
tsum
berof
shoots
:30d
eptho
fshoot
s:3m
harge
ofsho
ots:
300gT
NTam
plerat
e:2m
s
g n n c s
Thep
rocess
ingflo
wwa
sdesi
gnedt
ofoll
owthe
conven
tional
seism
icproc
essing
steps
threfo
rewe
wanttoche
ck,we
ather
anyoth
ernon
conven
tional
cumputati
onnec
essary
forthe
given
acquis
ition.
Thep
rocess
ingcon
sist
of:Ge
ometr
ydefi
nition
Editin
gMu
teing
Band
passfi
lter(25
-30-13
0-150)
Truea
mplitu
derec
overy
AGC
Decon
voluti
on(M
in.pha
sespi
king)
Twop
assvel
ocity
aalys
isTw
opass
residu
alstati
ccorr
ection
Stacki
ngF-x
decon
ed n
is
Asthe
figure
sabov
eshow
wehav
egot
afai
rlygoo
dqual
ityrec
ordsf
orpro
cessin
g,and
achiev
edan
interp
retabl
esta
cking
sectio
n,with
outex
traeff
ort.
Theo
utset
ofPa
rrivals
were
picked
withH
YPOL
INE
softwa
re(Fi
gure2
.,Figu
re3.)
.The
Sphas
escan
notbe
recogn
isedb
ecause
ofnea
r-sur
faceg
enerat
edgro
und-
rollw
avesa
ndstro
ngref
lectio
ns.Th
eHYP
OELL
IPSE
softwa
re[La
hr,199
9]wa
sused
todet
ermine
theeve
ntloc
ations.
Ther
esults
canbe
seeno
nthe
Figure
4.Th
eave
ragee
rrorof
theeve
ntsloc
ations
was2
60m.
Thea
ccurac
yofth
eeven
tdete
ctionw
asabo
ut100
min
thecen
tralpa
rtand
300ma
tthep
erime
terof
thetes
tarea.
Thel
ocated
events
arema
rkedw
ithpur
pledia
monds
(Figur
e4.)
Thev
elociti
eswe
reder
ivedf
romthe
reflec
tionv
elocity
analys
is.(Fi
gure7
.)
OS
I-31/B
FE
-S
eism
icie
ldx
erci
se a
tA
CIF
E0
8 i
n H
un
ga
ryA
ttil
a C
saba
Kovác
s E
ndre
Zolt
án H
eged
űs,
Tib
or
Gúth
y, R
ber
t C
sabaf
i,
ó
Eötv
ös
Lorá
nd G
eophysi
cal
Inst
itute
of
Hungar
y