BY MELISSA ROADMAN ANCHOR MEGAN MURPHY You're watching multisource world video news analysis from Newsy. A 6.6 magnitude aftershock rattled Japan Monday -- one month after an earthquake and tsunami devastated the country. The epicenter was about 100 miles from Tokyo. A tsunami watch was in effect, but was later canceled. Early reports say the quake caused power outages, mudslides and fires -- and, so far, one death. According to Japan Today... “A strong earthquake with a preliminary magnitude of 7.0 jolted eastern Japan on Monday afternoon, killing a 46-year-old man and injuring at least five people in Ibaraki and Tochigi prefectures.” There were fears concerning the nuclear reactors, but according to The Sydney Morning Herald... “Officials said the crippled Fukushima nuclear power plant did not sustain any more damage, but workers there were evacuated and the quake temporarily cut the power supply to three of the plant's stricken reactors, stopping the vital injection of water for cooling.” Good Morning America reports this aftershock served as a reminder that while a month has passed -- the danger hasn’t. “These latest quakes rattled nerves, along with cameras across japan. Reminding people here of the ongoing threat.” Although there are no reports of major sustainable damages thus far, experts told the Financial Times it could still get worse. “There have been countless small aftershocks in the past month — some experts say up to 800 or so. But over the next year or so, there will also be many that can be expected to reach an intensity of magnitude 7 or more, say experts.” The aftershocks have prompted officials to expand the evacuation zone of the Fukushima nuclear plant to include most areas within 20 or so miles of the plant. 'Like' Newsy on Facebook for updates in your news feed. Get more multisource video news analysis from Newsy. Transcript by Newsy.