Nature of damage that occurred several years is indeed remarkable, ranging from illegal logging, illegal mining of sand, catching wild animals and so forth. With a variety of reasons that are very classic that is the fulfillment of economic needs. Destruction of nature is very clear and no longer occur clandestinely. People deliberately dig their farmland just dig under the sand layer of their agricultural land. The case of excavation of sand occurred in many places in Indonesia. Excavation of sand that occur in areas of Wonosobo, Central Java, which is right under the foot of the mountain Sindoro Cleft example. They dig the sand which is a category C with quarry material blindly. They no longer pay attention to the dangers that occur when all the sand they took. Yet according to Sudaryatno, lecturer at the Faculty of Geography Gadjah Mada University in Yogyakarta, the sand layer under the soil surface is very useful to dampen the event of an earthquake. When the sand was taken, then the function will automatically be lost. The case of sand excavation also occurred on the southern coast Kulon Progo. Sand is excavated there is a type of iron sand. The iron sand carried by rivers which flow from Mount Merapi. Mining occurs along the 22 km juts into the mainland as far as 1,8 km and sniff the soil surface as deep as 14.5 m with a volume of sand that is picked up to reach 650 million tons.

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