Felt it all the way in Tokyo!<p>There is this amazing app called NERV that, whenever there is a large earthquake anywhere in Japan, sends you an early warning push notification and an animated display with shockwaves emanating from the epicenter, plus a countdown timer for the first wave hitting you. The first it went off for me it felt like something out of sci-fi. I think I got 45 seconds this time before my apartment started shaking.<p><a href="https://nerv.app/en/" rel="nofollow">https://nerv.app/en/</a>

The earthquake magnitude was revised up to a 7.7<p>No major tsunami is expected, local media reported initial waves were recorded as high as 40cm. The Japan Meteorological Agency forecasted up to 3m (10ft) waves.<p>I don't believe this earthquake is a big deal. Large earthquakes (M7.0+) happen in Japan several times a year, and given this happened in the middle of the ocean, I don't expect any major damage.

I live in Aomori (Northernmost prefecture of Honshu) and we got the warning <i>before</i> the earthquake arrived by all the cellphones in the office going crazy at the same time. It was kind of funny, because we have a lot of new guys here who have never been to Japan before and it was their first earthquake ever xD

This one was weird, too, like being on a boat in mildly choppy water, not a violent shake at all.

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