?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=ANALISIS+STRUKTUR+BAWAH+PERMUKAAN+BANDAR+LAMPUNG+%0D%0ABERDASARKAN+DATA+GAYABERAT&rft.creator=ARIEF+IRFAN+HUTOMO%2C+1415051010&rft.subject=600+Teknologi+(ilmu+terapan)&rft.description=Bandar+Lampung+City+is+crossed+by+several+faults%2C+one+of+which+is+the+Panjang+%0D%0ALampung+Fault+and+historically+there+was+an+earthquake+in+1913+with+a+magnitude+%0D%0Aof+about+7+on+the+Richter+Scale+at+a+depth+of+20-40+km.+The+active+fault+can+cause+%0D%0Aa+wave+amplification+potential.+The+gravity+method+is+generally+used+to+identify+%0D%0Asubsurface+structures%2C+whereas+the+gravity+method+is+based+on+variations+in+rock+%0D%0Adensity.+This+research+was+conducted+in+the+Bandar+Lampung+area+with+the+aim+of+%0D%0Aobtaining+gravity+anomalies%2C+as+well+as+2D+forward+models+and+3D+inversions+to+%0D%0Adetermine+subsurface+structures.+Gravity+data+processing+is+done+by+spectrum+%0D%0Aanalysis%2C+moving+average%2C+and+SVD+analysis.+Gravity+residual+anomalies+indicate+%0D%0Alow+anomalies+that+are+thought+to+be+a+response+from+pyroclastic+volcanic+rocks+and+%0D%0Asediments+in+the+central+part+of+the+study+area.+The+modeling+results+show+that+there+%0D%0Ais+a+structure+in+the+form+of+the+Panjang+Lampung+Fault+and+graben+in+the+middle+%0D%0Aof+the+study+area+which+was+confirmed+from+the+results+of+SVD+analysis+and+%0D%0Ageological+information.+The+condition+of+geological+structures+is+in+the+form+of+%0D%0Aactive+faults%2C+pyroclastic+volcanic+and+thick+sediments+in+the+middle+of+the+study+%0D%0Aarea+can+potentially+cause+wave+amplification+during+an+earthquake.%0D%0AKeywords%3A+Amplification%2C+Gravity%2C+and+Forward+Modeling.%0D%0A%0D%0A%0D%0AKota+Bandar+Lampung+dilalui+oleh+beberapa+patahan+yang+salah+satunya+merupakan+%0D%0APatahan+Panjang+Lampung+yang+secara+historis+pernah+terjadi+gempa+pada+tahun+%0D%0A1913+dengan+magnitudo+sekitar+7+Skala+Richter+pada+kedalaman+20-40+km.+Patahan+%0D%0Aaktif+tersebut+dapat+menyebabkan+adanya+potensi+amplifikasi+gelombang.+Metode+%0D%0Agayaberat+secara+umum+digunakan+untuk+mengidentifikasi+struktur+bawah+%0D%0Apermukaan%2C+dimana+metode+gayaberat+berdasarkan+variasi+densitas+batuan.+%0D%0APenelitian+ini+dilakukan+di+daerah+Bandar+Lampung+dengan+tujuan+mendapatkan+%0D%0Aanomali+gayaberat%2C+serta+model+forward+2D+dan+inversi+3D+untuk+mengetahui+%0D%0Astruktur+bawah+permukaan.+Pengolahan+data+gayaberat+dilakukan+dengan+analisis+%0D%0Aspektrum%2C+moving+average%2C+dan+analisis+SVD.+Anomali+residual+gayaberat+%0D%0Amenunjukkan+adanya+anomali+rendah+yang+diduga+sebagai+respon+dari+batuan+%0D%0Avulkanik+piroklastik+dan+sedimen+di+bagian+tengah+daerah+penelitian.+Hasil+%0D%0Apemodelan+menunjukkan+bahwa+terdapat+struktur+berupa+Patahan+Panjang%0D%0ALampung+dan+graben+pada+bagian+tengah+daerah+penelitian+yang+terkonfirmasi+dari%0D%0Ahasil+analisis+SVD+dan+informasi+geologi.+Keberadaan+Patahan+Panjang+Lampung+%0D%0Ayang+merupakan+patahan+aktif+serta+jenis+batuan+berupa+vulkanik+piroklastik+dan%0D%0Asedimen+yang+tebal+di+bagian+tengah+menjadikan+daerah+penelitian+berpotensi+untuk%0D%0Amengalami+amplifikasi+gelombang+pada+saat+terjadi+bencana+gempa+bumi.%0D%0AKata+Kunci%3A+Amplifikasi%2C+Gayaberat%2C+dan+Forward+Modelling&rft.publisher=Fakultas+Teknik&rft.date=2019-07-12&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F56621%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F56621%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F56621%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++ARIEF+IRFAN+HUTOMO%2C+1415051010++(2019)+ANALISIS+STRUKTUR+BAWAH+PERMUKAAN+BANDAR+LAMPUNG+BERDASARKAN+DATA+GAYABERAT.++Fakultas+Teknik%2C+Universitas+Lampung.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F56621%2F