@misc{indiciae6791e26ce641,
  title = {The USGS Earthquake Notification Service (ENS): Customizable notifications of earthquakes around the globe},
  author = {Lisa A. Wald and David J. Wald and Stan Schwarz and Bruce Presgrave and Paul S. Earle and Eric Martinez and David Oppenheimer},
  year = {2008},
  url = {https://pubs.usgs.gov/publication/70003645},
  note = {Source identifier: 70003645}
}