PRIME Lab has a multidisciplinary external research program with projects in geomorphology, hydrology, ocean science, planetary science, environmental science and biology. Introduction PRIME Lab is a national AMS facility for measurement of the long lived cosmogenic nuclides Be, C, Al, Cl, Ca, and I [1]. Since its inception in 1991 we have chemically processed over 2000 samples and have measure...

optically stimulated luminescence (osl) is currently one of the most important methods for dating minerals during the quaternary. this method plays an important role in studies related to paleoseismology and tectonic activities, particularly in arid and semi- arid regions. osl dates the last exposure to sunlight; therefore, it can directly find the ages of the coseismic or post seismic evidence...

iran is one of the limited numbers of ancient countries which is almost totally located on earthquake belt. earthquakes have always been the most important natural hazard in iran. many villages, cities, civilizations and monuments have been partly or totally destroyed by past earthquakes in iran. as a developing country, iran is expanding its cities, industries, dams, power plants etc. the rece...

When one hears that an earthquake has occurred, one of the first questions is “where was it?” For the general public, this question oftentimes determines the importance of another important question, “how big was it?” Once learning the location and size, some might wonder how this information was determined. We present here an interactive, three-dimensional analog computer that uses a map, stri...