TY - RPRT TI - Relationships between peak ground acceleration, peak ground velocity, and Modified Mercalli Intensity in California AU - David J. Wald AU - Vincent Quitoriano AU - Thomas H. Heaton AU - Hiroo Kanamori PY - 1999 DO - 10.1193/1.1586058 UR - https://pubs.usgs.gov/publication/70021541 ID - 70021541 ER -