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All Journal IPTEK The Journal for Technology and Science Frontiers Charm Sains : Jurnal Pendidikan Fisika
Royke Wenas
Universitas Negeri Manado
Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Energy Engineering Materials Science & Nanotechnology Mechanical Engineering Physics

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STUDI LINEAMENT DAN KORELASINYA DENGAN BATUAN ALTERASI DI KAWASAN WISATA BUKIT KASIH SULAWESI UTARA Wenas, Donny Royke
FRONTIERS: JURNAL SAINS DAN TEKNOLOGI Vol 2, No 2 (2019): AGUSTUS 2019
Publisher : Universitas Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (369.092 KB)

Abstract

Energi panas bumi merupakan salah satu sumber energi alternatif yang baru dan terbarukan serta ramah lingkungan.Sulawesi Utara diketahui kaya akan energi panas bumi karena memiliki banyak gunungapi aktif yang membentuk sistem panas bumi di bawah permukaan. Pembentukan sistem panas bumi dipengaruhi oleh proses-proses geologi yang telah atau sedang berlangsung di sepanjang jalur gunung api. Penelitian ini bertujuan untuk mengetahui tingkat densitas kelurusan di daerah Bukit Kasih Kanonang dan mengetahui komposisi mineral batuan di daerah Bukit Kasih Kanonang.Penelitian ini dilakukan dalam rangka mendorong percepatan capaian renstra penelitian perguruan tinggi dalam menghasilkan temuan/metode/teori, khususnya dibidang energi dan kebumian. Lokasi penelitian yang diteliti terletak di daerah wisata Bukit Kasih Kanonang, Kecamatan Kawangkoan Barat, Kabubaten Minahasa, Provinsi Sulawesi Utara. Data yang di ambil berupa data citra SRTM untuk mendapatkan data tingkat densitas kelurusan (lineament) pada manifestasi panas bumi. Sampel batuan yang diambil di lapangan di analisis di laboratorium dengan menggunakan alat SEM-EDX. Hasil enelitian menunjukkan bahwa densitas struktur dengan nilai yang tinggi berasosiasi dengan adanya manifestasi panas bumi di permukaan. Densitas kelurusan di daerah Bukit Kasih Lahendong memiliki kepadatan yang cukup tinggi sehingga ditandai dengan munculnya beberapa manifestasi permukaan di beberapa titik antara lain batuan alterasi, dengan komposisi unsur Batuan sample 1 mengandung Karbon 63,28 %, Oksigen 35,33 dan Silika 1,40%. Pada sample batuan 2 mengandung Oksigen 69,49 %, Silika 30,51%.
Web-Based Tsunami Early Warning System Daniel Siahaan; Royke Wenas; Amien Widodo; Umi Yuhana
IPTEK The Journal for Technology and Science Vol 24, No 3 (2013)
Publisher : IPTEK, LPPM, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20882033.v24i3.552

Abstract

Tsunami is a serious threat to the island nation such as Indonesia. The tsunami disasters that were occurred in some parts of Indonesia have immerged the need for tsunami early warning system that is reliable and can be applied to the Indonesian archipelago. North Sulawesi is one of the areas prone to tsunamis since this area lies in the path called the ring of fire's. This article describes a tsunami simulation application for the north coast of North Sulawesi. Web-based applications were built so that they can be monitored online from anywhere and at anytime. This system reads the real-time seismic data that affect the North Sulawesi region from a number of sources. Dynamic and static data that are received are processed using data mining method to predict the chances of a tsunami, while flood flooding algorithm is used to visualize the map of affected areas of North Sulawesi. The resulting information is available in detail in the form of web pages and also through short message to the relevant authorities handling of the tsunami disaster in order for them to act in accordance with applicable standard operating procedures. With this application, the public can obtain information that is more accurate. Relevant authorities can conduct tsunami disaster mitigation measures more effectively.
MODEL KECEPATAN 1D GELOMBANG P DAN RELOKASI HIPOSENTER WILAYAH SULAWESI UTARA DAN SEKITARNYA MENGGUNAKAN METODE COUPLE VELOCITY-HYPOCENTER Tumangkeng, Christi; Wenas, Donny Royke; Umboh, Sixtus Iwan
Charm Sains: Jurnal Pendidikan Fisika Vol 1 No 2 (2020): JUNI
Publisher : Program Studi Pendidikan Fisika Jurusan Fisika Fakultas Matematika, Ilmu Pengetahuan Alam, dan Kebumian (FMIPAK), Universitas Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1118.404 KB) | DOI: 10.53682/charmsains.v1i2.9

Abstract

North Sulawesi is in a complex tectonic interaction which is the relative movement of three Eurasian macro plates, the Pacific plate, the Philippine plate, and the Maluku Sea microplate. The active tectonic movement results in high earthquake activity in the region of North Sulawesi and its surroundings. This results in the importance of accurate earthquake parameter information, one of which is by conducting research on local wave velocity. The purpose of this study is to determine the velocity of 1D P waves and relocate the earthquake hypocenter and determine the correction stations in North Sulawesi and surrounding areas with coordinate boundaries 0.17166°S- 2.742781°N and 119.5212°E- 125.5067°E using the Couple Velocity-Hypocenter method with Velest software. The results of simultaneous inversion processing are carried out until the 50th iteration which obtains the wave velocity fluctuates at several depths but in general, the denser layers of the earth's compilers will increase the wave velocity, the improvement of the RMS from an average of 1.71 to 0.49 and the correction of the stations obtained is at intervals of 0.39 to 20.91.
KAJIAN GUGUS FUNGSI DAN KOMPOSISI MINERAL BATUAN TERALTERASI MENGGUNAKAN SPEKTROSKOPI SEM-EDX DAN FTIR PADA DAERAH MANIFESTASI PANAS BUMI DI DESA TORAGET, LANGOAN, KABUPATEN MINAHASA Lasut, Rizaldy; Wenas, Donny Royke
Charm Sains: Jurnal Pendidikan Fisika Vol 1 No 2 (2020): JUNI
Publisher : Program Studi Pendidikan Fisika Jurusan Fisika Fakultas Matematika, Ilmu Pengetahuan Alam, dan Kebumian (FMIPAK), Universitas Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (834.235 KB) | DOI: 10.53682/charmsains.v1i2.12

Abstract

North Sulawesi is one of the regions with a large potential of geothermal manifestations, wrongly located in Toraget Village, District of Langoan, Minahasa Regency, where there is a geothermal manifestasion . The purpose of this study was to study the mineral composition using SEM-EDX and FTIR in Toraget Village, Langoan District, Minahasa Regency. Based on the results of research conducted in Toraget Village, Langoan District, Minahasa Regency has a mineral composition in sample 1 namely Oxygen (O), Silica (Si) with percentages of weight are 61.32% and 38.68% and atomic percentages respectively 73.57% and in sample 2 hot springs have elemental content that is Oxygen (O) with percentage weight and percentage atomic 100%. For the functional cluster of rock sample 1 which contains C-O Ester, C-H Alkene, Aromatic C=C Alkene, and sample 2 contains C-O Esters, C-H Alkene, Aromatic C=C Alkene.
STUDI HANTARAN KONDUKSI PANAS DI SEKITAR MANIFESTASI PANAS BUMI DI BAGIAN SELATAN GUNUNG TAMPUSU Supriyadi, Miranda; Wenas, Donny Royke; Rende, Jeane Cornelda
Charm Sains: Jurnal Pendidikan Fisika Vol 1 No 3 (2020): OKTOBER
Publisher : Program Studi Pendidikan Fisika Jurusan Fisika Fakultas Matematika, Ilmu Pengetahuan Alam, dan Kebumian (FMIPAK), Universitas Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (817.099 KB) | DOI: 10.53682/charmsains.v1i3.48

Abstract

Indonesia is a country that has 40% of the world's geothermal potential, but only 3% was used.Research to determine the potential for geothermal distribution in the southern part of MountTampusu is by taking data directly using a thermometer, the purpose of this research was todetermine the temperature distribution at a depth of 0 cm, 30 cm, 60 cm, 90 cm by mapping. Thedata obtained is primary data, then entered into Microsoft Excel. In Microsoft Excel analyzed of themaximum, minimum and average temperatures. Then from the temperature data in the form oftemperature contours based on depth by using surfers 11. From the results of data processing usingsurfers, it was found that the temperature distribution in the southern part of Mount Tampusu variedin value, in the morning at depth 0 cm, 30 cm, 60 cm, 90 cm has value 23.5775°C, 22.67°C,23.315°C, 24.1025°C, daytime at depth 0 cm, 30 cm, 60 cm, 90 cm has value 27.5675°C,24.2525°C, 24.1825°C, 24.6925°C, in the evening at depth 0 cm, 30 cm, 60 cm, 90 cm has value24.5525°C, 24.3525°C, 24.2825°C, 24.605°C. The temperature pattern in the southern part ofMount Tampusu has a perpendicular pattern and slightly spreads to the northwest.
Co-Authors Amien Widodo Daniel Oranova Siahaan Iwan Sixtus Umboh Lasut, Rizaldy Rende, Jeane Cornelda Supriyadi, Miranda Tumangkeng, Christi Umi Yuhana