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As a 7.0 earthquake rolled across Alaska on Friday, students cowered under desks and took to social media to share their experiences in real time.

Alyson Petrie of Colony High School posted a video to Twitter while she and her classmates took cover under tables in an art classroom. At least eight aftershocks followed the initial quake, one as strong as 5.7, reported. The quake hit near Anchorage.

I鈥檓 shaking and out teachers are keeping us under our tables and telling us that there will be an after shocking maybe in 5 minutes or tomorrow we don’t know I鈥檓 in the art classroom and everything is literally destroyed

鈥� Alyson Petrie (@AlysonPetrie7)

Earthquake just happened right now i 鈥檓 actually shaking

鈥� Alyson Petrie (@AlysonPetrie7)

Some students surfaced fears about whether a tsunami could be coming. A was briefly in effect but was later canceled.

UPDATE: US National Tsunami Warning Center says Tsunami Warning is canceled after Anchorage area quake.

鈥� NBC News (@NBCNews)

Petrie鈥檚 school posted a on its website alerting parents that they could pick up students 鈥渨henever possible鈥� but that students were 鈥渙therwise warm and safe.鈥�

Here鈥檚 what it looked like inside some schools during the quake.

Insane footage inside a school during the massive Alaska earthquake.

鈥� WeatherNation (@WeatherNation)

BREAKING: a Magnitude 6.7 earthquake has just been felt in Anchorage Alaska. No reports of injuries as of now, but here is a video:

鈥� Brian Krassenstein (@krassenstein)

Another student who appeared to be standing outside his school during the earthquake posted an image of the damage, saying the quake “straight cracked my school in half.”

鈥� Josh Bierma (@jlennyb)

Teachers and parents also shared updates as the morning unfolded.

Rattled by the 7.2 near but our school is fine, high and dry from danger. Worried about Anchorage peeps.

鈥� Mrs. Stading (@tchlrn_ak)

Update from my kids鈥� school!

鈥� Krazy Karyn (@gomer2323)

Classroom in Palmer, AK ?

鈥� Liz? (@Lizbe503)

The Anchorage school district instructed parents to pick up their children when they felt it was safe to do so. to other schools to wait for their parents.

We hope that everyone is safe after the earthquake. We are assessing building safety and damages now. We will update the community as new information comes in. In the meantime, parents and guardians, when you feel it is safe to do so, please pick your children up from school.

鈥� ASD Information (@ASD_Info)

Dramatic images also showed roads torn apart as well as homes and workplaces thrown into chaos.

The power of the earthquake destroyed several roads in Alaska.

鈥� WeatherNation (@WeatherNation)

KTVA鈥檚 newsroom felt the blow of the earthquake this morning.

鈥� Cassie Schirm (@cassieschirmtv)

No injuries or deaths have been reported, but the earthquake did damage many buildings and other infrastructure, . Alaska governor Bill Walker has a state of emergency.

Almost exactly 24 hours earlier, another earthquake struck the Pacific rim of the U.S., this time at the furthest point south. Thursday鈥檚 near San Diego was felt as far as Mexicali, Mexico, but no injuries or damage were reported.

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