Results 21 to 30 of about 9,453 (166)

Characteristics and evolution of geoheritages in Mentougou District in the Xishan area, Beijing

Shuiwen dizhi gongcheng dizhi
Mentougou District, the core region of Xishan in Beijing, is located at the junction of Yanshan and Taihang mountains, where mountainous areas account for 98.5%. Over the long geological history, it has remained rich geoheritages.
Jinrui HE, Shangzhi XU, Qingwei SONG, Chunyan HAO, Ying DONG, Shuhong RAN, Jiayue WU, Zhaolin YU, Yilong ZHENG, Miao SUN   +9 more
doaj   +1 more source

Directed Volcanic Blast as a Tragedy of October 26Th, 2010 at Merapi Volcano, Central Java

Indonesian Journal on Geoscience, 2014
DOI: 10.17014/ijog.v8i3.163Merapi is an active strato volcano located in Central Java. This volcano is regarded as the most active and most dangerous volcano in Indonesia.
Igan S. Sutawidjaja
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Deformation evolution and deformation destabilization mechanism of fault-boundary slope dumping

Shuiwen dizhi gongcheng dizhi
In April 2017, a slope in Pingquan City, Hebei Province, China showed signs of large-scale sliding deformation after multiple excavations. Although the excavation revealed that the slope underwent toppling deformation, the surrounding rock strata are ...
Yulong DING, Xiangjun PEI, Tiantao LI, Hao SUN, Jingjing TIAN, Shoudao WANG, Qian WANG   +6 more
doaj   +1 more source

Magma Supply System at Batur Volcano Inferred from Volcano-Tectonic Earthquakes and Their Focal Mechanism

Indonesian Journal on Geoscience, 2014
DOI: 10.17014/ijog.v8i2.159The Volcano-Tectonic (VT) earthquakes occurring during September - November 2009 were analyzed. The result shows that the epicentres aligning in NE- SW direction coincided with the weak zone of Batur Volcano Complex.
Sri Hidayati, C. Sulaeman
doaj   +1 more source

Numerical Simulation of Pyroclastic Flow of Karangetang Volcano Based on 2015 Eruption Activity

JGEET: Journal of Geoscience, Engineering, Environment and Technology
On May 7-9, 2015 the eruptive activity of Mount Karangetang released pyroclastic flows towards the Batuawang River for 3.6 km and hit Kora kora village which is located south of the Main Crater. This pyroclastic flow originated from lava flows during the
Willi FS Banggur, Cahya Patria, Estu Kriswati, Mirzam Abdurrachman, Gede Suantika, Devy Kamil Syahbana, Richard Korompis, David Adriansyah, Aditya Gurasali, Alfred Wenas, Kurnia Praja, Imam Sentosa, Iing Kusnadi, Makoto Shimomura   +13 more
doaj   +1 more source

Intelligent identification and susceptibility analysis of rainfall-induced shallow landslides in mountainous areas based on high-resolution remote sensing and deep learning

Frontiers in Earth Science
In recent years, extreme rainfall events have become more frequent, leading to a significant increase in shallow landslide disasters, which trigger debris flows and increase the risk of subsequent chain disasters.
Wei Zeng, Jianfeng Han, Runcheng Jiao, Meng-Lun Li, Weizhen Gui, Chi Ma   +5 more
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Hazard assessment of debris flows in Kongpo Gyamda, Tibet based on FLO-2D numerical simulation

Dizhi lixue xuebao, 2022
Kongpo Gyamda is located in eastern Tibet, where debris flows occur frequently in the rainy season, which has a serious impact on local people's daily life and hinders regional economic construction and development.
ZHANG Haowei, LIU Fuzhen, WANG Junchao, ZHANG Jiajia   +3 more
doaj   +1 more source

Calculation model of starting critical hydraulic gradient for fine particle initiation in loose soil mass

Shuiwen dizhi gongcheng dizhi
The migration of fine particles in loose soils under seepage flow can compromise the internal stability of earth-rock dams and deposits. However, previous studies on fine particle initiation have not fully considered the influence of particle ...
Junyang KANG, Yufeng WEI, Long WEI, Guoao ZHANG, Junhao PENG, Congqi HE   +5 more
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Anatomy of phreatic eruptions

Earth, Planets and Space, 2018
This study investigates phreatic eruptions at two similar volcanoes, Kawah Ijen (Indonesia) and White Island (New Zealand). By carefully processing broadband seismic signals, we reveal seismic signatures and characteristics of these eruptions.
Corentin Caudron, Benoit Taisne, Jurgen Neuberg, Arthur D. Jolly, Bruce Christenson, Thomas Lecocq, Suparjan, Devy Syahbana, Gede Suantika   +8 more
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Maximal Lyapunov exponent variations of volcanic tremor recorded during explosive and effusive activity at Mt Semeru volcano, Indonesia [PDF]

Nonlinear Processes in Geophysics, 2013
We analyze 25 episodes of volcanic tremor recorded from 22 November until 31 December 2009 at Mt Semeru volcano in order to investigate their spectral and dynamical properties. The overtone frequencies for most of the tremor events indicate a pattern of
K. I. Konstantinou, C. A. Perwita, S. Maryanto, Surono, A. Budianto, M. Hendrasto   +5 more
doaj   +1 more source