The aftershock data of 26th July 2003 earthquake of M6.2 at the northern Miyagi-Ken Japan.
Usage
data(main2003JUL26)
Arguments
Format
main2003JUL26 is a data frame with 2305 observations and 9 variables
named no., longitude, latitude, magnitude, time (from the main shock in days), depth, year, month, and day.
Source
Y.Ogata (2006)
Computer Science Monographs, No.33, Statistical Analysis of Seismicity - updated version (SASeies2006).
The Institute of Statistical Mathematics.