Third a series of Jolt again! Now happening every 1 week.

[Kojima]

At first I'd like to show that a vertical time axis, Hour, in a heliplot can be displayed with slipping off for one hour, which sometimes happens when a heliplot screen is updated, and I have noticed it since the first series. 

An example is the following figure.

So I showed the outbreak time for Jolt as follows, 14:10(15:10) at VNDA.

Judging from a pattern of these a series of Jolt, in Antarctica, Africa and South America, there seems to be something of a one-week cycle causing this in the Earth wobble now.

* GSN Heliplots: http://earthquake.usgs.gov/monitoring/operations/heliplots_gsn.php

See also,

* Global Tremor after M6 Scotia Sea of 2014-02-08

* Jolt in Antarctica, Africa and South America some days after M6 Sco...

* A series of Jolt happened one week later again as an identical pattern

[Heliplots of 3rd Series]

[Kojima]

A series of JOLT happened, 4th.