section_path: Occurrence/Rupture dynamics/Slow earthquakes
section_name: Slow earthquakes
paragraph_text: Slow earthquakes
  
  Slow earthquake ruptures travel at unusually low velocities. A particularly dangerous form of slow earthquake is the tsunami earthquake, observed where the relatively low felt intensities, caused by the slow propagation speed of some great earthquakes, fail to alert the population of the neighboring coast, as in the 1896 Sanriku earthquake.