Source:http://linkedlifedata.com/resource/umls/id/C0013463
MSH: Sudden slips on a fault, and the resulting ground shaking and radiated seismic energy caused by the slips, or by volcanic or magmatic activity, or other sudden stress changes in the earth. Faults are fractures along which the blocks of EARTH crust on either side have moved relative to one another parallel to the fracture.,MEDLINEPLUS: <p>An earthquake happens when two blocks of the earth suddenly slip past one another. Earthquakes strike suddenly, violently, and without warning at any time of the day or night. If an earthquake occurs in a populated area, it may cause property damage, injuries, and even deaths. If you live in a coastal area, there is the possibility of a <a href='http://www.nlm.nih.gov/medlineplus/tsunamis.html'>tsunami</a>. Damage from earthquakes can also lead to <a href='http://www.nlm.nih.gov/medlineplus/floods.html'>floods</a> or <a href='http://www.nlm.nih.gov/medlineplus/fires.html'>fires</a>.</p><p>Although there are no guarantees of safety during an earthquake, you can take actio