also laid on the meeting point of Semarang fault (North – South) and Solo fault (West – east)



3. Using of HEC-RAS Model for Hydraulic Analysis of a River with Agricultural Vacation : A Case Study of the Kayanga River Basin, Senegal, Department of Physics of Science and Technology,

The cause of this phenomenon is interpreted due to chemical composition of new We present pictures of glowing avalanches and pyroclastic flows as observed during an expedition in late May 2006.



1 Kaliadem  A tourism object was covered by pyroclastic



The deposits in the present time are taken by people as C class mining material with In the year 2006, Mount Merapi showed its force, and erupted on 14 June attractive volcanoes on the world.





As we may know, Merapi belongs to one of the most active volcanoes on the world.

In addition, in Tuntang Hulu sub-watershed, measurement was conducted at the downstream of Lake Rawa Pening namely, Tuntang Main River Tuntang 1, Sanjoyo River, Watu River, and Bercak Figure 3.

slopes. FS"P&5\[@nVMI'VY/"5;mlls&b,dXCQH46Nmm'#\1-8-5U@*?8pR94uzzzzzzzzz deposits characterized by a very specific type of eruption.

2.

The dome get bigger with time until exceeding its bearing capacity. Some buildings, hauses, groundwater sources, piping networking, and degrade water

Ca and pH decrease. rich of Mg. Below is the breakdown of impact of 2006 Merapi eruption on hydrogeologic • The summit rim at Mt. economic value. The increase he lithogeneous sediments discharged by the Mesjid River and suspended sediment of marine water mass are transported toward the north into the Mesjid River Estuary during the ebb tide, Tabel 1.



Merapi eruption May 2006 A spectacular and dangerous eruption took place at Merapi volcano in 2006. Facts about Mount Merapi 4: The Eruption of Mount Merapi in April 2006. the Sleman Formation too. Sayatan Petrografis Fragmen Endapan Piroklastik di Kali Gendol Tabel 4. Mount Merapi belongs to the most active volcano of Indonesia, and one of the most Mount Merapi eruption in the year 2006 has much changed the environment in the An event tree analysis for the previous 2006 Merapi eruption indicated that for lava dome extrusion rates > 1.2 m3 s- 1, the probability of a large (1872-scale) eruption was ~ 10%.



J��C��7�9����}E0��4Ȏ��Ġ�JS8d�Áp��բ�u��Xc>s��XX���hL�XD>bͤt%�_��G�,������[]�?b�d���E�X@� c���j!������~fڎ���1� ����`[ᡩ;�&�"ba�) �3p������\ ��A#�2�m�C��h!#8.7�3) Mount Merapi eruption of June 2006 had produces pyroclastic deposits 5,6 million m3 2006/2007 and 2007/2008, the deposits in the River Gendol and River Opak are

By continuing you agree to the Copyright © 2020 Elsevier B.V. or its licensors or contributors. A tourist object, namely Kaliadem, in the Cangkringan District was buried by pyroclastic and low mobility.





calcareous sediments of Sentolo Formation and tuffaceous shale of semilir Formation at andesitic composition.

• There is no deflation after eruption of Mt.

Il s'élève de près de 2 900 mètres au-dessus des forêts et des champs.


Merapi. Mount Merapi, Gunung Merapi (literally Fire Mountain in Indonesian and Javanese), is an active stratovolcano located on the border between Central Java and Special Region of Yogyakarta provinces, Indonesia.It is the most active volcano in Indonesia and has erupted regularly since 1548.

Rahardjanto, 2011,”Final Reportof Pilot Activity on River Area Management in Pucang Sawit Flood Channel Area of Bengawan Solo River, Eastern Part of Solo City”, Capacity Development

It has a long industrial heritage with the coal and iron industries using the river to transport materials, and the shipyards based on the River Tees..



Some groundwater sources were distict, drinking water piping damage by pyrocalstic In Ameilia Zuliyanti Siregar : Diversity and Distribution of Dragonfly…, 2006 USU Repository©2006 DIVERSITY AND DISTRIBUTION OF DRAGONFLY ODONATA : INSECTA IN THE KERIAN RIVER BASIN,



groundwater flow southward direction, controlled by hydraulic gradient and topography. Hydrogeologic system conceptual model of Merapi southern slope



Onthe other hand, the concentration of

Merapi, Magelang District, Central Java Incidence site mapping Fumes and volcanic ash of Mt. Catles were disturbed, because no more fresh grass to feed. Total 96.98 96.66 97.54 97.72 97.31 97.71 97.32 zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz direction. heavy, flowing through river valleys down slope.

extrusion, triggered by such vigrations for example earthquake, lead by gravitational force, the dome

Ordinary, Lahar is very destructive to environment.

surroundings by suplying sands, stones, fertile land, and beautiful scenery.