@misc{https://doi.org/10.7914/sn/4a_2016, doi = {10.7914/SN/4A_2016}, url = {https://www.fdsn.org/networks/detail/4A_2016/}, author = {{Ryan Porter} and {Nick Schmerr}}, title = {SP Crater Network}, publisher = {International Federation of Digital Seismograph Networks}, year = {2016} }