Reveiew Jurnal GEOLOGI

Reveiew Jurnal JURNAL TEKNIK TEKNIK POMITS Vol. 3, No. 2, (2014) ISSN: 2337-353 (2301-271 P!"#$) 132

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Analisa Pola Bidang Sesar pada Zona Subduksi di Wilayah Selatan Pulau Sumatera dari  Event  Gempa pada Tahun !""#!"$ R"&'" Sl" *# %+& J S#$o& J!&# "&"', MIPA, MIPA, I#&$"$$ T/'#olo+" T/'#olo+" S/l No//! (ITS) Jl. A!"/ R# '", S! S!  0111 0111 I#*o#/&" e-mail : 6&&"8&."$&.8."*

A% P&'( P&'(A) A)*+ *+*A *A' '

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P* /#/l"$"# "#" /& $/#$#+ $/#&o! *# ol "*#+ $# #+ *"* "*$ $ *!o !o  focal  mechanism +/ +/ *" &/l$# &/l$# Pl S$/! S$/! I#*o#/ I#*o#/&" &" /#/$" /#/$" 9o# $/'$o#"' $/'$o#"' #+ &#+$ '$" '!/# '!/# $"+ l//#+ /&! *#" *# &/"l# l//#+ '/8"l l"## &l"#+ /!$/ *" "l I#*o#/&", +/ >  +/ #+ $/!6*" *" Pl S$/! /!'# "l"'&" +/o*"#"' *!" */o! */o!&" &" '$" *" &/'"$ &/'"$!! S#* S#* *#  Java trench, trench, *l *l /#/#$ /#/#$' '# # momen tensor  *# focal   *# focal mechanism-# mechanism-# /#++#'# !o+! ISOLA-?UI. =$ #+

*"+#'# *l /#/l"$"# "#" /#" +#"$*o l/" *!" & */#+# 5.5 S'l R"8$/!. P* /#+"l# *$, *$ #+ *"+#'# *l *$ event +/ #+ $/!6*" *" "l &/l$# Pl S$/! * $# 2011-2014 */#+# +#"$*o l/" *!" & */#+# 5.5 SR. =$ $/!&/$ *"*$'# *!" www.webdc.eu, /&"$/ *!" ?; #+ /#/*"'# *$ +/ lo'l. P* /#+ol# *$, $# l &/$/l /#*$'# *$ #+ *"&/*"'# *" webdc *l /! o!$ *$. =!" *$ webdc *l o!$  seed   #+ *" '/ *l o!$ SAC   #$' *"ol * !o+! ISOLA-?UI. U#$' /! o!$ *!" seed  '/ SEC   /#++#'# !o+! rdseed . =l  /#+ol# *$ *l /#/l"$"# "#" /#++#'# o*/l " /&l"#+/!S#$o&. P* /!"$#+# Sl", *l /#/#$'# /&! o/# &/"&"' (M 0) */#+# #"l" +#"$*o +/ lo'l &//&! 3 "#++ ,5 SR. =/#+# M L /#$'# /&! +#"$*o +/ lo'l. Ko#&$#$ @ /#$'# '/o"&"/# !"+"*"$& *!" $# l"&#,  D *l /&!   average  slip *!" &/&!,    *l  #6#+ *!" &/&! *# !  /#$'# /&! l/! *!" &/&!. -% P&.BA)ASA'

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?!. () O!"/#$&" "*#+ $# ("6). () %/#$' beach ball *!" ol "*#+ &/&!, reverse fault , #$' +/ $#++l 02012011 * 'l 15:1:32 BI%. T/l. %"*#+ &/&! *# au"iliar# plane #$' &"#+-&"#+ event 

?!. &"l fitting  '!< *"&l8//#$ *!" *$ event  +/ $#++l 02012011 *  'l 15:1:32 BI% ( $S%A-&'$ ).

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S/l$ S#*, #$! J *# S$/! /##6''#  +"# &/l$# *!" &/&! S$/! *"'"$'# */#+# * +!"& &/&! #+ /#o#6ol *" *&! l$. (% )AS/+

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=!" /#/l"$"# *"*$'## /&! !/#$#+ o/# $/#&o! #$' &"#+&"#+ 'oo#/## &//&! M11 2.531 /15 &" 0.205 /1C, M22  3.45 /15 &" 0.337 /1C, M33  0.4 /15 &" 0.131 /1C, M31  0.544 /15 &" 5.174 /1C, M32  1.107 /15 &" 4.113 /1C, *# M12  1.140 /15 &" 0.430 /1C. S/*#+'# #$' /&! &l" !$-!$ *!" /
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