The research area is located in the northern part of Lubuk Bendahara Village, Rokan IV Koto District, Rokan Hulu Regency, Riau Province., has coordinates 0° 36' 47.541888"– 0° 39' 28.953396"North latitude and 100° 27' 22.89924" – 100° 35' 17.62044". with an area of 25 km2 research area. This study aims to determine the type of rock, river flow patterns, van Zuidam geomorphological forms…
The dominance of the Indian Ocean Plate and the Eurasian Plate caused the deformation of Sumatra, resulting in the most devastating earthquake and tsunami ever occurred on this earth, namely on December 26, 2004. However, until now there is no Seimity Map, Earthquake Scenario Map and Tectonic Geomorphological Map on Sumatra Island in general and North Sumatra in particular. This is the author's…