?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Penentuan+Persamaan+Empiris+Untuk+Memprediksi+Magnitudo%0D%0AGempabumi+Menggunakan+Parameter+Prekursor+Gempabumi%0D%0ADari+Anomali+Magnetik+Lombok+Nusa+Tenggara+Barat&rft.creator=Rindi+Antika+Sari%2C+1515051027&rft.subject=620+Ilmu+teknik+dan+ilmu+yang+berkaitan&rft.description=Gempabumi+Lombok+pada+tanggal+05+Agustus+2018+jam+21%3A56+WIB+dengan%0D%0Akekuatan+7+Mw+dengan+kedalaman+10+Km%2C+memiliki+jarak+episentrum+30+km+arah%0D%0Atimur+laut+lombok+timur.+Selanjutnya+diikuti+gempa+susulan+pada+hari+yang+sama%0D%0Asebanyak+lima+kali+dengan+kekuatan+%3C6+Mw.+Sebelumnya+juga+telah+terjadi+kejadian%0D%0Agempabumi+pada+daerah+yang+sama+pada+tanggal+29+Juli+2018+dengan+kekuatan+6.4%0D%0AMw.+BMKG+(2018)+menyatakan+gempabumi+ini+terjadi+akibat+aktivitas+Flores+Back%0D%0AArc+Thrusting%2C+dilihat+dengan+menganalisa+gerakan+mekanisme+sumber+gempa%0D%0Aberupa+pergeseran+bebatuan+yang+bergerak+naik.+Dalam+upaya+mengetahui%0D%0Aperubahan+medan+magnet+akibat+pergeseran+bebatuan+(lempeng)+yang%0D%0Amenyebabkan+gempabumi%2C+pada+tanggal+28+Agustus+2018+Badan+Meterologi%0D%0AKlimatologi+dan+Geofisika+memasang+alat+LEMI+018+di+Bayan%2C+Lombok%2C+untuk%0D%0Amengetahui+data+variasi+magnet+bumi+dan+penyebab+terjadinya+gempabumi.%0D%0APenelitian+ini+menggunakan+data+anomali+magnet+pada+bulan+Agustus+sampai%0D%0AOktober+yang+terekam+oleh+alat+LEMI+018+di+Stasiun+Bayan%2C+Lombok.+Dalam%0D%0Apenelitian+ini+juga+dilakukan+perhitungan+persamaan+empiris+untuk+memprediksi%0D%0Amagnitudo+gempabumi+menggunakan+parameter+prekursor+gempabumi+yaitu%0D%0Aamplitudo%2C+magnitudo%2C+hiposenter+gempa.+Dari+hasil+pengolahan+dan+analisis+yang%0D%0Adilakukan%2C+diperoleh+bahwa+anomali+yang+muncul+merupakan+akibat+dari+aktivitas%0D%0Ainternal+bumi%2C+dengan+leadtime+minimum+dan+maximum+antara+anomali+magnetik%0D%0Asampai+event+gempabumi+yang+terjadi+didaerah+Lombok+adalah+173+Jam+dan+658%0D%0AJam%2C+serta+didapatkan+persamaan+empiris+sebagai+berikut.%0D%0AM%3D+0.0670*A%2B+0.001*+S+%2B+4.346+dengan+nilai+koefisien+korelasi+(R2%0D%0A)+0.855.%0D%0AKata+Kunci%3A+Anomali+Magnetik%2C+Prekursor+Gempabumi%2C+Lead+Time%2C+Persamaan%0D%0AEmpiris.%0D%0AThe+Lombok+earthquake+on+August+5%2C+2018+at+21%3A56+WIB+with+a+strength+of+7+Mw%0D%0Awith+a+depth+of+10+Km%2C+has+a+distance+of+30+km+epicenter+to+the+east+of+East+Lombok.%0D%0AThen+followed+by+aftershocks+on+the+same+day+five+times+with+a+power+of+%3C6+Mw.%0D%0APreviously+there+was+an+earthquake+in+the+same+area+on+July+29%2C+2018+with+a+strength%0D%0Aof+6.4+MW.+BMKG+(2018)+states+that+this+earthquake+occurred+due+to+the+activities%0D%0Aof+the+Flores+Back+Arc+Thrusting%2C+seen+by+analyzing+the+movement+of+the%0D%0Aearthquake+source+mechanism+in+the+form+of+shifting+rocks+that+move+up.+In+an%0D%0Aeffort+to+find+out+the+changes+in+the+magnetic+field+due+to+the+shift+of+rocks+that%0D%0Acaused+the+earthquake%2C+on+August+28%2C+2018+the+Climatology+and+Geophysics%0D%0AMeterology+Agency+installed+the+LEMI+018+tool+in+Bayan%2C+Lombok%2C+to+find+out+the%0D%0AEarth's+magnetic+variation+data+and+the+causes+of+earthquakes.+This+study+uses%0D%0Amagnetic+anomaly+data+from+August+to+October+recorded+by+the+LEMI+018+tool+at%0D%0ABayan+Station%2C+Lombok.+In+this+study%2C+an+empirical+equation+was+calculated+to%0D%0Apredict+earthquake+magnitude+using+earthquake+precursor+parameters%2C+namely%0D%0Aearthquake+amplitude%2C+magnitude%2C+hypocenter.+From+the+results+of+processing+and%0D%0Aanalysis%2C+it+was+found+that+the+anomalies+that+arise+are+a+result+of+internal+earth%0D%0Aactivities%2C+with+minimum+and+maximum+leadtime+between+magnetic+anomalies+and%0D%0Aearthquake+events+occurring+in+Lombok+area+is+173+hours+and+658+hours%2C+and+the%0D%0Aempirical+equation+is+obtained+as+follows.%0D%0A%0D%0AM+%3D+0.0670+*+A+%2B+0.001+*+S+%2B+4.346+with+the+value+of+the+correlation+coefficient%0D%0A%0D%0A(R2)+0.855.%0D%0A%0D%0AKeywords%3A+Earthquake+Precursors%2C+Empirical+Equations%2C+Lead+Time%2C+Magnetic%0D%0A%0D%0AAnomalies&rft.publisher=FAKULTAS+TEKNIK&rft.date=2019&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F58596%2F1%2F1.%2520ABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F58596%2F2%2F2.%2520SKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F58596%2F3%2F3.%2520SKRIPSI%2520FULL%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++Rindi+Antika+Sari%2C+1515051027++(2019)+Penentuan+Persamaan+Empiris+Untuk+Memprediksi+Magnitudo+Gempabumi+Menggunakan+Parameter+Prekursor+Gempabumi+Dari+Anomali+Magnetik+Lombok+Nusa+Tenggara+Barat.++FAKULTAS+TEKNIK%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F58596%2F