On 2014-03-25, a pattern of jolt appearance in a series at seven stations changed after continuing six times every one week since 2014-02-11. In the 7th series, a jolt appearance changed at two stations of LBTB and PLCA while there was no change at the other five stations.
I found a jolt in a heliplot of GSN Stations on 2014-02-11.
Added by Kojima on March 29, 2014 at 4:39pm — No Comments
Based on worldwide earthquake data of IRIS
showing earthquakes of more than magnitude 4, I classified each earthquake in five areas by its location and made the…Continue
Added by Kojima on March 23, 2014 at 1:18pm — No Comments
Added by Kojima on March 13, 2014 at 5:01pm — No Comments
Monitoring a Jolt in a heliplot, I noticed a wave undulation sometimes appeared at some GSN stations. So I collected a heliplot image where it appeared, and arranged the date and time and the observation station, and plotted them on a map with numbering in chronological order. Here is the data for four days, from 2014-02-25 to 2014-02-28.
I also noticed that…Continue
Added by Kojima on March 2, 2014 at 11:30am — No Comments