Astronautix.com, Apollo 13Archived 2004-01-04 at the Wayback Machine: The S-IVB/IU impacted the lunar surface at 8:10 p.m. EST on April 14 at a speed of 259 meters per second (incorrect, should probably be 2590 meters/sec), […] 137.1 kilometers from the Apollo 12 seismometer.
Astronautix.com, Apollo 13Archived 2004-01-04 at the Wayback Machine: The S-IVB/IU impacted the lunar surface at 8:10 p.m. EST on April 14 at a speed of 259 meters per second (incorrect, should probably be 2590 meters/sec), […] 137.1 kilometers from the Apollo 12 seismometer.