Exact(2)
These disturbances are defined as "magnetic storms" and the various phases of the storm have been named by Chapman (1918) and Araki (1994) as: (i) sudden storm commencement (SC); (ii) initial phase; (iii) main phase; and (iv) the recovery phase.
The remarkable ionospheric disturbances are summarized as follows: (I) Sudden TEC depletions following small impulsive TEC enhancements around 05:54 UT, about seven minutes after the earthquake onset, appeared in the vicinity of the ionospheric epicenter.
Similar(56)
Is sudden acceleration real? are some S.U.V.'s dangerously prone to rollover?
Is the sudden clanging chord supposed to evoke a fearful Pavlovian response?".
"I want sudden, bold, forward, determined war," he thundered from the Senate floor.
"All of a sudden I knew I was safe.
I don't feel any signals, and all of a sudden I'm totally exhausted.
Is there a sudden explosion of malls in Bologna?
Is it a sudden idea to try something like that?
Is there a sudden fashion for attacking works of art?
Is it too sudden?
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