MEANWHILE IN ENGLAND: "The solar eruption and consequent shockwave reported on Spaceweather.com certainly was geoeffective, sparking not only auroras, but also twitching magnetometer needles," reports Stuart Green who recorded the shaking of his local magnetic field in Preston UK:

https://imgur.com/jZ5N8PL

"It is always so exciting to experience the effects of space weather here at ground level," he says.

Green's magnetometer is buried in his backyard garden about 0.5 meters deep. This allows very sensitive (sub nanotesla) measurements of magnetic declination. The instrument has little trouble detecting geomagnetic storms, CMEs, and interplanetary transients like the one that hit Earth on Jan. 11th.

[link to www.spaceweather.com (secure)]