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Analisis Pola Tegasan untuk Menentukan Tipe Sesar Grindulu di Pacitan, Jawa Timur 分析了在东爪哇帕西坦确定剖腹产类型的断言模式

GEOSAINS KUTAI BASIN Pub Date : 2022-12-20 DOI: 10.30872/geofisunmul.v5i2.1033

A. Haryono

{"title":"Analisis Pola Tegasan untuk Menentukan Tipe Sesar Grindulu di Pacitan, Jawa Timur","authors":"A. Haryono","doi":"10.30872/geofisunmul.v5i2.1033","DOIUrl":"https://doi.org/10.30872/geofisunmul.v5i2.1033","url":null,"abstract":"Sesar Grindulu merupakan salah satu sesar aktif di Kabupaten Pacitan yang aktivitasnya telah beberapa kali menyebabkan terjadinya gempabumi. Posisinya yang memanjang dengan arah timur laut – barat daya seakan membelah Kabupaten Pacitan menjadi dua bagian, hal ini membuat Sesar Grindulu menjadi ancaman serius bagi masyarakat Pacitan. Salah satu langkah mitigasi bencana yang bisa dilakukan adalah dengan mengidentifikasi karakteristik Sesar Grindulu untuk mendapatkan informasi sebanyak mungkin. Dalam penelitian ini, tipe Sesar Grindulu ditentukan berdasarkan analisis pola tegasan menggunakan software Win-Tensor. Data masukan berupa dip dan strike adalah data sekunder hasil penelitian sebelumnya. Hasil analisis pola tegasan menunjukkan bahwa tegasan maksimum (σ1) merupakan gaya kompresi dan tegasan minimumnya (σ3) adalah gaya regangan, dimana keduanya berarah horisontal. Sedangkan tegasan menengahnya (σ2) berarah vertikal. Pola tegasan tersebut menunjukkan bahwa Sesar Grindulu termasuk dalam jenis sesar geser mengiri. Sementara itu, hasil proyeksi stereografi memperlihatkan bahwa tegasan utamanya (σ1) berarah N17oE, sedangkan bidang sesarnya memiliki arah N60oE. Berdasarkan sistem sesar geser menurut konsep Moody dan Hill, Sesar Grindulu digolongkan ke dalam sesar geser orde pertama karena gaya kompresi terbesarnya menggerus pada sudut 43o.","PeriodicalId":436989,"journal":{"name":"GEOSAINS KUTAI BASIN","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130848981","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Analisis Spasial Ordinary Kriging Persebaran Emas Berdasarkan Data Geokimia Permukaan Awak Mas, Sulawesi Selatan

GEOSAINS KUTAI BASIN Pub Date : 2022-09-02 DOI: 10.30872/geofisunmul.v5i2.798

A. Amalia, Piter Lepong, Adrianus Inu Natalisanto

引用次数: 0

Studi Pengaruh Suhu Permukaan Laut Di Selat Makassar Terhadap Intensitas Curah Hujan Kota Balikpapan 研究了望加锡海峡海面温度对巴利克帕潘市降雨强度的影响

GEOSAINS KUTAI BASIN Pub Date : 2022-09-02 DOI: 10.30872/geofisunmul.v5i2.794

Retni Kusmardiyanti, Mustaid Yusuf, Djayus Djayus, Rahmiati Rahmiati

{"title":"Studi Pengaruh Suhu Permukaan Laut Di Selat Makassar Terhadap Intensitas Curah Hujan Kota Balikpapan","authors":"Retni Kusmardiyanti, Mustaid Yusuf, Djayus Djayus, Rahmiati Rahmiati","doi":"10.30872/geofisunmul.v5i2.794","DOIUrl":"https://doi.org/10.30872/geofisunmul.v5i2.794","url":null,"abstract":"Rainfall is the amount of water that falls on the ground surface during a certain period measured in units of height and is caused by various factors, such as sea surface temperature, wind direction and speed, humidity and so on. This study aims to determine how the influence of the sea surface temperature of the Makassar Strait on the intensity of rainfall in the city of Balikpapan. The data used in this study are sea surface temperatures taken at 4 coordinate points in the Makassar Strait, they are -2oS and 118oE, -1oS and 118.25oE, 0oEQ and 118.5oE, 1oN and 119.25oE and 2oN and 119.5oE and rainfall data in Balikpapan City. taken at 4 points of data collection stations, they are -1.16oS and 116.84oE, -1.16oS and 116.88oE, -1.2oS and 116.84oE and -1.2oS and 116.88oE. The data was taken for 3 years, from 2017 to 2019. This study uses a correlation analysis, where the results obtained indicate that the sea surface temperature in the Makassar Strait quite affects rainfall in the city of Balikpapan. The highest correlation is 0.601217435, which is a strong correlation and has a positive value. \u0000 \u0000Keywords : Rainfall, Sea Surface Temperature, Correlation Analysis","PeriodicalId":436989,"journal":{"name":"GEOSAINS KUTAI BASIN","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129624193","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Numerical Study of Hydrodynamics in the waters of Balikpapan Bay using Finite Volume Method 用有限体积法研究巴厘巴盘湾水域的水动力

GEOSAINS KUTAI BASIN Pub Date : 2022-08-18 DOI: 10.30872/geofisunmul.v5i1.793

Suci Erniya Rahman, M. Yusuf, Y. N. Nasution

引用次数: 0

ANALISIS HUBUNGAN NILAI HGI (HARDGROVE GRINDABILITY INDEX) ASH CONTENT INHERENT MOISTURE DAN TOTAL SULFUR TERHADAP NILAI KALORI BATUBARA DI PT. GEOSERVICES SAMARINDA KALIMANTAN TIMUR

GEOSAINS KUTAI BASIN Pub Date : 2022-08-18 DOI: 10.30872/geofisunmul.v5i1.789

Y. Yuliana, Djayus Djayus, Rahmiati Munir, S. Supriyanto

{"title":"ANALISIS HUBUNGAN NILAI HGI (HARDGROVE GRINDABILITY INDEX) ASH CONTENT INHERENT MOISTURE DAN TOTAL SULFUR TERHADAP NILAI KALORI BATUBARA DI PT. GEOSERVICES SAMARINDA KALIMANTAN TIMUR","authors":"Y. Yuliana, Djayus Djayus, Rahmiati Munir, S. Supriyanto","doi":"10.30872/geofisunmul.v5i1.789","DOIUrl":"https://doi.org/10.30872/geofisunmul.v5i1.789","url":null,"abstract":"Abstrak \u0000Kualitas batubara ditentukan oleh kandungan HGI, Ash Content, Inherent Moisture, Total Sulfur dan Kalori. Tujuan penelitian ini dilakukan untuk mengetahui hasil uji HGI, Ash Content, Inherent Moisture, Total Sulfur, kalori serta hubungannya dengan kalori batubara. Penelitian ini menggunakan data sekunder. Data selanjutnya dikelompokkan berdasarkan kelas kalori, kemudian dianalisis dengan regresi dan korelasi. Hasil penelitian ini adalah nilai rata-rata HGI kelas kalori sedang dan tinggi (5727, 6261) Cal/gr, Ash Content terhadap keempat kelas kalori (4609, 5600, 6361, 7394) Cal/gr, Inherent Moisture (4606, 5602, 6386, 7394) Cal/gr, Total Sulfur (4616, 5598, 6384, 7394) Cal/gr dan hubungan HGI terhadap kalori kelas sedang adalah positif dan kelas tinggi negatif, hubungan Ash Content terhadap setiap kelas adalah negatif, hubungan Inherent Moisture terhadap setiap kelas kalori adalah negatif dan hubungan Total Sulfur terhadap kalori kelas rendah dan tinggi adalah positif sedangkan kelas kalori sedang dan sangat tinggi adalah negatif. Kesimpulan dari penelitian ini adalah nilai rata-rata HGI (5727,6261) Cal/gr, Ash Content (4609, 5600, 6361, 7394) Cal/gr, Inherent Moisture (4606, 5602, 6386, 7394) Cal/gr serta Total Sulfur (4616, 5598, 6384, 7394) Cal/gr dan Hubungan HGI, Ash Content, Inherent Moisture dan Total Sulfur terhadap kalori rata-rata negatif kecuali HGI kelas sedang dan total sulfur kelas rendah dan tinggi dan berdasarkan hasil analisis interpretasi dari keempat parameter bahwa HGI tidak dapat menentukan kualitas batubara. \u0000 ","PeriodicalId":436989,"journal":{"name":"GEOSAINS KUTAI BASIN","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132891152","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Uji Kualitas Batubara terhadap Kedalaman Lapisan Daerah Penambangan Pulau Bunyu dengan Metode Proksimat pada Lokasi 4 Pit 用Proksimat方法在4坑位置测试本岛采矿区深处的煤炭质量

GEOSAINS KUTAI BASIN Pub Date : 2022-08-18 DOI: 10.30872/geofisunmul.v5i1.605

Quintiza Anugerah, Adrianus Inu Natalisanto, Devina Rayzy Psp

引用次数: 0

SOIL MOVEMENT ANALYSIS BASED ON MAXIMUM SOIL SPEED PATTERNS DUE TO THE LOMBOK EARTHQUAKE 基于龙目岛地震最大土壤速度模式的土壤运动分析

GEOSAINS KUTAI BASIN Pub Date : 2022-08-18 DOI: 10.30872/geofisunmul.v5i1.780

Penta Adenata Maulidsandy, P. Lepong, Mislan Mislan

{"title":"SOIL MOVEMENT ANALYSIS BASED ON MAXIMUM SOIL SPEED PATTERNS DUE TO THE LOMBOK EARTHQUAKE","authors":"Penta Adenata Maulidsandy, P. Lepong, Mislan Mislan","doi":"10.30872/geofisunmul.v5i1.780","DOIUrl":"https://doi.org/10.30872/geofisunmul.v5i1.780","url":null,"abstract":"ABSTRACT \u0000Earthquake activity in Lombok, West Nusa Tenggara (NTB) gives rise to ground movement, this ground movement can be used to predict the intensity of the next earthquake. The purpose of this study is to determine the movement of land based on the pattern of maximum soil velocity that occurred due to the Lombok Earthquake July 29, 2018, which can be used to predict the intensity of the next earthquake. This study uses secondary earthquake data (magnitude) obtained from the USGS (United States Geological Survey). Magnitude data were analyzed using empirical formulas so that the values of intensity, maximum ground velocity and contour maps were obtained. The results show that the movement of the land due to the earthquake moved very quickly towards the north, quickly towards the east, quickly towards the south and finally to the south slowly. The highest maximum ground velocity located in Obel-Obel Village with the value of 23,2 cm / s. The calculation result in the form of this maximum ground velocity can be used as a parameter to predict the upcoming earthquakes that will occur at Lombok or the other side of world. \u0000 ","PeriodicalId":436989,"journal":{"name":"GEOSAINS KUTAI BASIN","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122204532","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Analisis Kecepatan Tanah Maksimum di Daerah Akibat Gempa Bumi Lombok di Daerah Pengamatan Labuan Bajo, Waingapu dan Maumere Nusa Tenggara Timur 05 Agustus Tahun 2018

GEOSAINS KUTAI BASIN Pub Date : 2022-08-18 DOI: 10.30872/geofisunmul.v5i1.730

Claudius Eswinsky Pangge, Kadek Subagiada, Djayus Djayus

{"title":"Analisis Kecepatan Tanah Maksimum di Daerah Akibat Gempa Bumi Lombok di Daerah Pengamatan Labuan Bajo, Waingapu dan Maumere Nusa Tenggara Timur 05 Agustus Tahun 2018","authors":"Claudius Eswinsky Pangge, Kadek Subagiada, Djayus Djayus","doi":"10.30872/geofisunmul.v5i1.730","DOIUrl":"https://doi.org/10.30872/geofisunmul.v5i1.730","url":null,"abstract":"The ground motion velocity of an earthquake can cause material damage and loss. The purpose of this study was to analyze the maximum ground motion velocity caused by an earthquake. The data used were secondary data for earthquakes that occurred in the Lombok area of West Nusa Tenggara on August 5 2018 at 06:46:37 p.m indonesian middle time zone, with the observation areas of Labuan Bajo (East Nusa Tenggara), Waingapu (East Nusa Tenggara), and Maumere (Nusa Tenggara). East Southeast). The data of this research include the coordinates of the earthquake area, the coordinates of the observation stations, the magnitude of the earthquake, and the acceleration value of ground motion as a comparison. Those data furthermore calculated the epicenter distance, the earthquake intensity value, and the ground motion velocity value was analyzed then compared with the ground acceleration value after which it was connected to the MMI scale. The results showed that the ground velocity value of the Labuan Bajo observation area was 3.66 cm / s, Waingapu 0.99 cm / s and the Maumere area 0.98 cm / s with a damage effect according to the MMI category II scale.","PeriodicalId":436989,"journal":{"name":"GEOSAINS KUTAI BASIN","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132542178","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Penentuan Nilai Parameter Gempabumi Menggunakan Metode Geiger dan Hukum Laska pada Pulau Lombok 龙目岛使用盖革法和拉斯卡法确定地震参数的价值

GEOSAINS KUTAI BASIN Pub Date : 2022-02-01 DOI: 10.30872/geofisunmul.v5i1.706

Bella Dessy Wulan Sari, Djayus Djayus, S. Supriyanto, Benny Hendrawanto

{"title":"Penentuan Nilai Parameter Gempabumi Menggunakan Metode Geiger dan Hukum Laska pada Pulau Lombok","authors":"Bella Dessy Wulan Sari, Djayus Djayus, S. Supriyanto, Benny Hendrawanto","doi":"10.30872/geofisunmul.v5i1.706","DOIUrl":"https://doi.org/10.30872/geofisunmul.v5i1.706","url":null,"abstract":"Earthquake is an event of the Earth vibration caused by the shifting of rock layers on Earth immediately that caused by the shifting of tectonic plates. The aim of this study is to know the Earthquake's Parameter. The Earthquake that happened in Lombok, August 5th 2018, at 18:46:37 (Western Indonesian Time), with magnitude 7,0 SR. By using six Earthquake recording stations, there are KLNI (in Mataram), TWSI (in Sumbawa), SRBI (in Buleleng), DNP (in Denpasar), PLAI (in Plampang) and BYJI (in Banyuwangi). The Coordinate of each Earthquake observer station, P Wave and S Wave are included. The Epicenter value is analyzed using the Laska Law and the Hypocenter value is analyzed using the Geiger Method. The results showed the Earthquake Parameter with coordinates; Latitude: - 8.28 South; Longitude: 116,47 East, the Epicenter value of KLNI station is 100 km away, the TWSI station is 150 km away, the SRBI station is 300 km away, the DNP station is 300 km away, the PLAI station is 317 km away, the BYJI station is 483 km away and the hypocenter value is 30 km. Deduced from the depth, this Earthquake included into Shallow Earthquake and included as Main Shock or Main Earthquake.","PeriodicalId":436989,"journal":{"name":"GEOSAINS KUTAI BASIN","volume":"338 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124758568","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0