The unusually high number of aftershocks following Japan's strongest ever earthquake last Friday has caused concern among geophysicists that it may actually be a chain of separate quakes.
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Michio Hashizume, a Japanese geology expert working with Chulalongkorn University's Faculty of Science, said his contemporaries in Japan are wondering if the string of tremors felt around the county since Friday's 9.0-magnitude are actually aftershocks.
"We are questioning if they are really aftershocks, because in theory they should happen close to the epicentre, but this time, [some of] the [following] earthquakes have happened far from the epicentre," Mr Hashizume said.
"We are thinking the 9.0 earthquake may have triggered a chain of earthquakes. If so, we expect more earthquakes, possibly as strong as magnitude 7, within the next three days."
The geologists are concerned about the possibility of another big earthquake soon, which could create another tsunami, he said.
Comment: As it turns out, gravitational tidal forces might not be all there is to this phenomena. According to James McCanney, any celestial alignment (such as a full or new moon) has the potential to cause a current flow in the solar system, thus disrupting the electrical balance of Earth which then leads to extreme weather, earthquakes, volcanoes, etc. For more information, see:
Comet Elenin Update!
The True Origins of Electric Comet Theory
Cyclones, Earthquakes, Volcanoes And Other Electrical Phenomena
Pole Shift? Look to the Skies!