Rocky Mountains

Rocky Mountains, usually called the Rockies, is a mountain range that extends to the west of North America. Length of more than 3 thousand miles (4,800 kilometers) stretching from British Columbia, in Canada, to New Mexico, in the United States. The highest peak is Mount Elbert, in Colorado, approximately 4,401 feet) above sea level (asl). Mount Robson, is at the level of a 3,954 meters is the highest peak in the Canadian Rockies. Rocky Mountains Mountain system, including the United States physiographic region.

Rocky Mountains usually defined stretches of Liard River in British Columbia, to the Rio Grande in New Mexico. The mountain can also be stretched from Alaska or Mexico, but the mountain is regarded as part of the whole rather than a part of the American cordillera Rockies.
Youngest part of the Rocky Mountains uplifted during the late Cretaceous (140 million-65 million years ago), though the mountains south part elevated at the time of Precambrian (3,980 million-600 million years ago). Consists of a complex geological conditions igneous and metamorphic rocks; youngest is a sedimentary rock (located along the southern boundary of the Rocky Mountains), and the volcanic rocks of Tertiary age (65 million-1.8 million-year-yl.) Located in the mountainous area of ​​San Juan and in some other areas.

Mount Bromo, East Java, Indonesia.

Mount Bromo (from Sanskrit: Brahma, one of the main Hindu Gods), is a volcano is still active and most famous as a tourist attraction in East Java. As a tourist attraction, Mount Bromo become attractive because of its status as the volcano is still active.
Bromo has a height of 2392 meters above sea level is located in four regions, namely Probolinggo, Pasuruan, Lumajang, and Malang Regency. Mount Bromo mesh body shape between valleys and canyons with a caldera or a sea of ​​sand covering approximately 10 square kilometers.
Mount Bromo has a crater with a diameter of ± 800 meters (north-south) and ± 600 meters (east-west). While the danger area of a circle with a radius of 4 km from the central crater of Bromo.
historical eruptions
During the twentieth century, a famous mountain as a tourist spot that erupted three times, at regular intervals of time, ie 30 years. Largest eruption occurred in 1974, while the last eruption occurred in 2010.
Bromo eruption history: 2011, 2010, 2004, 2001, 1995, 1984, 1983, 1980, 1972, 1956, 1955, 1950, 1948, 1940, 1939, 1935, 1930, 1929.1928, 1922, 1921, 1915, 1916, 1910, 1909, 1907, 1908, 1907, 1906, 1907, 1896, 1893, 1890, 1888, 1886, 1887, 1886, 1885, 1886, 1885.1877, 1867, 1868, 1866, 1865, 1865, 1860, 1859, 1858, 1858, 1857, 1856, 1844, 1843, 1843, 1835, 1830, 1830, 1829, 1825, 1822, 1823.1820, 1815, 1804, 1775, and 1767.
Bromo as a sacred mountain
For residents of Bromo Tengger tribe, Mount Brahma (Bromo) believed to be a sacred mountain. Once a year the Tengger people Yadnya Kasada ceremony or Kasodo. The ceremony was held at a temple located at the foot of Mount Bromo and proceed north to the top of Mount Bromo. The ceremony was held at midnight to early morning every full moon around 14 or 15 in Kasodo (tenth) according to the Javanese calendar.