Utilization of QGIS 3.22 with a Spatial Approach in Assessing Tsunami Risk on Small Islands in Ternate City

Techno Pub Date : 2023-10-30 DOI:10.33387/tjp.v12i2.6771
Sabaruddin Sabaruddin, Rusman Rasyid
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引用次数: 0

Abstract

The city of Ternate is an archipelago city consisting of 5 small islands and 3 large islands. This city is prone to earthquake activity because it is right above the active volcano, namely Mount Gamalama. in 2012 there was an earthquake that caused severe damage to residential areas. This incident was caused by local tectonic earthquakes occurring 39 times, distant tectonic earthquakes occurring 432 times, and tectonic earthquakes being felt 5 times. It is not surprising that in the future this city will experience a tsunami as a result of the activity of Mount Gamalama because geographically this city is an archipelago city where activities between cities and districts depend on sea transportation. The purpose of this study is to model a tsunami with a height of 30 meters in the city of Ternate. Based on the results of spatial data, the impact of the tsunami occurred that almost all districts on the island of Ternate would sink. The most severe sub-districts are the sub-districts of Central Ternate City, North Ternate City and South Ternate City. Meanwhile, for the Ternate Island sub-district, the impact was not too significant.
基于空间方法的QGIS 3.22在城市小岛屿海啸风险评估中的应用
特尔纳特市是一个群岛城市,由5个小岛和3个大岛组成。这个城市很容易发生地震活动,因为它就在活火山,即伽马拉马火山的正上方。2012年发生的地震对居民区造成了严重破坏。此次地震是由局地构造地震39次、远地构造地震432次、有震感构造地震5次引起的。这并不奇怪,在未来,这个城市将经历海啸,由于火山的活动,由于地理上这个城市是一个群岛城市,城市和地区之间的活动依赖于海上的交通。本研究的目的是模拟特尔纳特市30米高的海啸。根据空间数据结果,海啸的影响发生时,特尔纳特岛上几乎所有地区都将沉没。最严重的街道是中央泰尔市、北部泰尔市和南部泰尔市的街道。与此同时,对于特尔纳特岛街道,影响并不太显著。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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