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Power lines are above ground in this area (unlike newer communities where they are underground), so thunderstorms, hurricanes, sleet storms, and the like can bring trees down on the power lines.
I typically get quite a few few-second glitches per year, plus often an outage long enough (over an hour) to require me to shut my computers down gracefully before the UPS runs out of battery power.
This is in Northern VA near the Washington DC area. Maryland has it a lot worse, with storm-caused outages extending up to a week in duration.
Gas, water, phone, and sewage are all underground, and re typically uninterrupted.
Oh yes -- we also actually had an earthquake this year, too.
Power is less interrupted by storms in the cities, where the power lines are underground -- but in recent years, some of the older parts of DC have had several failures of the underground lines in a single summer, sending manhole covers flying.
So -- yes, unfortunately, power outages are more common here than I would like.
Enjoy, DoN.