earthquake map in morocco, atlas mountains. land struck by a strong earthquake magnitu

earthquake morocco atlas mountains marrakesh essaouira ouarzazate merzouga soil epicenter magnitude shock wave scale power rendering sediment rock layers seismic waves energy faults hypocenter tectonic plates elastic pressure friction interplate tensile strength seismology vibrations sudden structure cutting transverse magnetic field study disaster quake damage destruction nature seismograph natural crack seismometer concrete earth concept construction pulse frequency warning collapse accident ground nasa