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Selecting Hazardous Volcanoes that May Cause a Widespread Volcanic Ash Disaster to the Korean Peninsula

한반도에 광역화산재 재해를 발생할 수 있는 위험화산의 선정

  • Received : 2016.07.12
  • Accepted : 2016.10.27
  • Published : 2016.10.30

Abstract

This study built the volcano Data Base(DB) of 289 active volcanoes around the Korean Peninsula, Japan, China (include Taiwan), and Russia Kamchatka area. Twenty nine more hazardous volcanoes including Baekdusan, Ulleungdo and 27 Japanese volcanoes that can cause a widespread ash-fall on the Korean peninsula by potentially explosive eruption were selected. This selection was based on the presence of volcanic activity, whether or not containing dangerous explosive eruption rock types, distance from Seoul, and volcanoes having Plinian eruption history with volcanic explosivity index (VEI) 4 or more. The results of this study are utilized for screening high-risk volcanoes that may affect the volcanic disaster caused by a widespread fallout ash. By predicting the extent of spread of ash caused by these hazardous volcanic activities and by analyzing the impact on the Korean peninsula, we suggest that it should be used for helping to predict volcanic ash damages and conduct hazards mitigation research as well.

한반도 주변의 일본, 중국(대만 포함) 및 러시아 캄차카의 활동적인 화산에 대한 289개의 화산DB를 구축하였으며, 이들 중 잠재적으로 폭발적인 분화를 하여 한반도에 광역화산재해를 유발할 수 있는 위험 화산체 29개(백두산과 울릉도, 일본 화산 27개)를 선정하였다. 이들의 선정 기준은 화산의 활동성 유무, 폭발적 분화 위험 암종 포함 여부, 서울과의 거리, 그리고 화산폭발지수(VEI) 4 이상의 플리니식 분화이력을 가진 화산체 등이다. 본 연구 결과는 광역화산재해를 유발하여 국내에 영향을 줄 가능성이 높은 위험화산을 선별하는데 활용할 것이다. 그리고 이들 위험화산 활동에 의해 발생한 화산재의 확산 범위를 예측하고 한반도에 미치는 영향을 분석하는 화산재해 피해 예측을 위한 방재 차원의 대응 연구에 도움을 줄 것으로 기대한다.

Keywords

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