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All Journal Agrokreatif Jurnal Ilmiah Pengabdian kepada Masyarakat JOURNAL ONLINE OF PHYSICS Gravitasi: Jurnal Pendidikan Fisika dan Sains EINSTEIN (E-JOURNAL)
Lailatul Husna Lubis
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Agriculture, Biological Sciences & Forestry Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Materials Science & Nanotechnology Mechanical Engineering Physics

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Journal : JOURNAL ONLINE OF PHYSICS

 1 
PEMETAAN TINGKAT RAWAN GEMPA BERDASARKAN NILAI PGA (PEAK GROUND ACCELERATION) MENGGUNAKAN METODE MC. GUIRRE R. K DAN DONOVAN Nur Ainun; LAILATUL HUSNA LUBIS; RATNI SIRAIT
JOURNAL ONLINE OF PHYSICS Vol. 8 No. 3 (2023): JOP (Journal Online of Physics) Vol 8 No 3
Publisher : Prodi Fisika FST UNJA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jop.v8i3.25480

Abstract

Provinsi Aceh terletak diantara lempeng besar dunia yaitu lempeng Eurasia dan lempeng India-Australia serta sembilan lempeng kecil yang bertemu membentuk jalur-jalur pertemuan yang sangat kompleks. Akibatnya Provinsi Aceh merupakan zona tektonik yang sangat aktif. Tujuan penelitian ini untuk mengetahui nilai PGA (Peak Ground Acceleration) menggunakan metode mc. Guirre R.k dan Donovan serta mengetahui zonasi tingkat resiko kegempaan di wilayah Aceh. Penelitian ini dilakukan dengan titik koordinat 1˚-5˚ LS dan 95˚-98˚ BT. Data yang digunakan berasal dari USGS dengan magnitudo >5 dan kedalaman (0-70) km. Hasil penelitian yang di peroleh dari PGA (Peak Ground Acceleration) dari metode mc. Guirre R.K sebesar 153,288919 gal dan hasil penelitian dari metode Donovan sebesar 130,5759397 gal. Sedangkan zonasi percepatan tanah maksimum berada di wilayah Kabupaten Pidie Jaya. Pada wilayah tersebut terdapat endapan aluvium dan batuan berusia tersier yang bersifat lunak atau tidak kuat. Sehingga mengakibatkan wilayah tersebut rawan kegempaan.
PENERAPAN METODE RESISTIVITAS KONFIGURASI SCHLUMBERGER UNTUK MENDETEKSI PERSEBARAN AIR LINDI (STUDI KASUS TPA TERJUN MARELAN) Afniar Harahap; Ratni Sirait; Lailatul Husna Lubis
JOURNAL ONLINE OF PHYSICS Vol. 9 No. 1 (2023): JOP (Journal Online of Physics) Vol 9 No 1
Publisher : Prodi Fisika FST UNJA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jop.v9i1.27281

Abstract

Leachate has the potential to be used as organic fertilizer because it contains high levels of minerals and organic matter. In the leachate there are several compounds, namely heavy metal compounds, salts, nitrogen compounds and various types of other organic matter. Leachate leachate also contains very fine suspended matter from the decomposition of microbes, usually consisting of Ca, Mg, Na, K, Fe, Chloride, Sulfate, Phosphate, Zn, Ni, CO2, H2O, N2, NH3, H2S, Organic acids , and H2. This study aims to find out how the subsurface layer in the Medan Marelan Falls Landfill area, the distribution of leachate in the Medan Marelan Falls Landfill. 1D resistivity measurements were only carried out in the Medan Marelan Falls TPA area. The geophysical method used in this study is the Schlumberger configuration. This research was conducted at three points along the 200 meter track. on line I is at a depth of 6.92 m with a resistivity value of 3.16 Ωm with a North to South flow direction. On track II it is at a depth of 1.15 m, 4.53 m, and 22.1 m with a resistivity value of 1.5 Ωm, 2.25 Ωm, and 5.05 Ωm respectively with the North to West flow direction. On track III it is at a depth of 1.19 m, 20.8 m, and 53.9 m with resistivity values of 1.54 Ωm, 3.51 Ωm, and 1.13 Ωm respectively with North to West flow direction. The distribution of leachate at the Medan Marelan Falls TPA which dominates is on track III marked with black to bluish color images.
Co-Authors Afniar Harahap Alexander F.T Parera Dhiau Rahman Fikri Hidayat, Singgih Kencana, Mudatsir Miftahul Husnah Nur Ainun Ratni Sirait Reni Nurjannah