@misc{indiciaeffeeb0a4028e, title = {Spatial seismicity rates and maximum magnitudes for background earthquakes}, author = {Mark D. Petersen and Charles S. Mueller and Arthur D. Frankel and Yuehua Zeng}, year = {2008}, doi = {10.3133/ofr20071437j}, url = {https://pubs.usgs.gov/publication/ofr20071437J}, note = {Source identifier: ofr20071437J} }