A Quick Assessment Method for the Mud Eruption Hazard Risks of the Lusi Surrounding Area with a Special Reference to Ground Deformation Behavior

Agustawijaya, Didi S.

doi:10.4028/www.scientific.net/amm.845.106

Cited by 3 publications

(6 citation statements)

References 11 publications

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Section: Risk Analysis Methodsmentioning

confidence: 99%

“…A rating system [6,7] was adapted for analyzing hazard risks in Lombok Island due to earthquakes in 2018. The rating system was designed to estimate the potential risks of an area in a simple and easy way [7]. According to the updated the seismic conditions of Lombok and surrounding islands, the area were vulnerable to hazards due to earthquakes [4].…”

Section: Risk Analysis Methodsmentioning

confidence: 99%

“…As the capital city of the West Nusa Tenggara Province, the city had medium vulnerability values [7], which were, as follows:…”

Section: City Of Matarammentioning

confidence: 99%

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The Development of Health Capacity Index for a Semi-Quantitative Earthquake Hazards Risk Analysis with a Special Reference to the Lombok Earthquake Disaster 2018

Isnaeni¹,

Asa’ad²,

Hatta³

et al. 2021

Advances in Health Sciences Research

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Earthquakes often caused severe fatalities to human beings, as the case of Aceh earthquake 2004, and Lombok earthquake 2018. For the case of Lombok shallow earthquakes 2018, the earthquakes of a magnitude 7.0 have destroyed almost 800 thousand homes, and caused the death of more than 500 people. The main problem of such a case is that the time occurrence of an earthquake cannot be predicted. However, the risk due to earthquake should theoretically be able to predict, when parameters can be calculated in the quantitative risk index of R = H x V/ C. Particularly in this paper, health capacity is introduced using a rating system in order to measure the resistance of people occupying disastrous area to overcome difficulties during hard time emergency shelter and disaster relief. Two study cases were conducted which show that the capacity index, particularly people health index, could differentiate between low and medium-high casualties among cities ruined by Lombok earthquake 2018. The development of a quantitative risk index, particularly health risk indexes, is therefore important in hazard mitigation due to earthquakes, that it provides a simple quick apparatus of disaster assessment.

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Section: Risk Analysis Methodsmentioning

confidence: 99%

Section: Risk Analysis Methodsmentioning

confidence: 99%

See 1 more Smart Citation

The Development of Health Capacity Index for a Semi-Quantitative Earthquake Hazards Risk Analysis with a Special Reference to the Lombok Earthquake Disaster 2018

Isnaeni¹,

Asa’ad²,

Hatta³

et al. 2021

Advances in Health Sciences Research

Self Cite

View full text Add to dashboard Cite

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“…Within the zone, the geological structures of fault and fold are commonplace, and one of these structures is the Ngelam-Watudakon fold that cuts through the Lusi mud volcano in Sidoarjo [15]. This could be understandable that such structures may result in the formation of mud volcanoes, as the case of the Lusi [3,16].…”

Section: Geological Settingmentioning

confidence: 99%

Rare earth element contents of the Lusi mud: An attempt to identify the environmental origin of the hot mudflow in East Java – Indonesia

et al. 2017

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Abstract:The Sidoarjo mudflow in East Java, Indonesia, has been erupting since May 29 th , 2006. The eruption has been known as the Lusi (lumpur Sidoarjo), which was previously considered as a remote seismic event consequence, but current geyser-like activities show an association with a geothermal phenomenon. A method of characterizing rare earth elements (REE) is commonly an effective tool for recognizing a geothermal system, and here it is adapted to particularly indicate the environmental origin of the Lusi mud. Results show that the Lusi hot mud is made of a porous smectite structure of a shale rock type, which becomes an ideal tank for trapping the REE, especially the light REE. Volcanic activities seem to be an important influence in the eruption; however, since there is a lack of significant isotopic evidences in the mobilization of the REE during the eruption, the chloride neutral pH water of the Lusi may hardly contain the REE. The moderate Ce and Eu anomalies found in the REE patterns of the mud strongly indicate a sea-floor basin as the most probable environment for the REE fractionation during the sedimentary rock formation, in which the weathering processes of volcanic rock origin enriched the Lusi shale with the REE.

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“…However, the peak ground acceleration may depend on typical sources of earthquakes around the area. For the case of Lombok Island, it is crucial to evaluate the seismicity and calculating peak ground acceleration, as they could provide high impact to the island, since it is a densely populated small island [8]. The tectonic setting of Lombok Island is, therefore, reconstructed.…”

Section: Introductionmentioning

confidence: 99%

Determination of the seismicity and peak ground acceleration for Lombok island: an evaluation on tectonic setting

2018

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Abstract. Lombok Island is located in the Nusatenggara region, which is considered as one of the most active seismic parts of Indonesia. The determination of seismicity is crucial to the island, since Lombok Island is a relatively dense populated small island. Earthquakes that occurred around the island were generated by southern subduction mega-thrust and northern back-arc thrust. Mostly, distributions are concentrated on the north-west and south-east parts of Lombok Island. Probabilistic data analysis of 309 earthquake events during the period of 1973 -2017 results in the Gutenberg-Richter parameters (a and b) of 3.62 and-0.53 indicating medium to high seismic activities. The Joyner-Boore attenuation relation seems to be suitable for seismic characteristics of the island. The reconstruction of tectonic setting indicates that the Benioff zone may develop at the depths of 150 km beneath the island causing horizontal tectonic forces working within the direction of N 171 0 E -N 351 0 E. This could create a strike-slip fault on the crustal basement within the NE -SW direction.

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A Quick Assessment Method for the Mud Eruption Hazard Risks of the Lusi Surrounding Area with a Special Reference to Ground Deformation Behavior

Cited by 3 publications

References 11 publications

The Development of Health Capacity Index for a Semi-Quantitative Earthquake Hazards Risk Analysis with a Special Reference to the Lombok Earthquake Disaster 2018

The Development of Health Capacity Index for a Semi-Quantitative Earthquake Hazards Risk Analysis with a Special Reference to the Lombok Earthquake Disaster 2018

Rare earth element contents of the Lusi mud: An attempt to identify the environmental origin of the hot mudflow in East Java – Indonesia

Determination of the seismicity and peak ground acceleration for Lombok island: an evaluation on tectonic setting

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