Robuta

https://pubs.usgs.gov/of/2001/of01-076/HTMLSEIS/RAW/ Index of /pubs/of/2001/of01-076/HTMLSEIS/RAW index of pubs raw https://pubs.usgs.gov/of/2001/of01-076/HTMLSEIS/ Index of /pubs/of/2001/of01-076/HTMLSEIS index of pubs