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Vala Hjörleifsdóttir @valah.bsky.social · 06/05/2026

Visited Carrizo Plain for the first time this spring, truly remarkable to see. Surprisingly easy access, one can even get there in a convertible!

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Reposted by Vala Hjörleifsdóttir

Prof. Diego Melgar @diegosismologo.bsky.social · 01/10/2025

On July 29, 2025 a Mw 8.8 earthquake off Kamchatka launched a Pacific-wide tsunami, right as the SWOT satellite flew south-to-north taking altimetry measurements of the wave train. In our new preprint, we pair SWOT with nearby DART buoys to capture the tsunami’s propagation and its source

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Lucy Jones @drlucyjones.bsky.social · 11/11/2025

I love xkcd

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EarthScope Consortium @earthscope.org · 28/10/2025

As Hurricane Melissa makes landfall in Jamaica, we can see its approach over the past few days on seismometers. Strong winds generated by hurricanes create ocean waves and pressure fluctuations that cause stronger up and down movements in the water column, which seismometers record.

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Reposted by Vala Hjörleifsdóttir

Unseen Japan @unseenjapan.com · 30/07/2025

On X, Masaki Nobushiro posts a recurring (and useful) drawing about how people wrongly think a 1m tsunami is a cresting wave when it's actually a wall of water filled with dangerous and deadly debris that's strong enough to sweep up a car. #tsunami

X post by @nobushiromasaki. JP text: カムチャッカ半島付近の大地震（M8.0）による津波、日本各地にも1m程度の津波が来るという注意報が出てる。侮らないで。1mは、ふつうに自動車が流されるレベルです。画像は拾い物だけど、これが本当だから。沿岸地域の方、特に気をつけて！

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Angel Ruiz-Angulo @rocangel.bsky.social · 30/07/2025

Tsunami resulting from a M 8.7 Petropavlovsk-Kamchatsky, Russia. Preliminar solution from USGS and GeoClaw model. @haskoliislands.bsky.social

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Harold Tobin @haroldtobin.bsky.social · 30/07/2025

This is a VERY large earthquake, possibly/probably among the 10 largest ever recorded. A clear subduction zone megathrust event. And it is another M>8.5 event with a notable foreshock (the recent M7.4 in same location), like Tohoku in 2011.

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Dr. Amilcar Carrera-Cevallos @acarrerac.bsky.social · 30/07/2025

A M8.7 struck Petropavlovsk-Kamchatsky, #Russia, an hour ago (days ago M7.4 struck the same area). The #tsunami alert was issued for the nearby areas. It seems to be a megathrust #earthquake. These thrust quakes produce the most significant tsunamis. This subduction zone is well-known for big quakes

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Reposted by Vala Hjörleifsdóttir

TJones (Formerly FightFor46) moving 🦋 @thundxrcloud.bsky.social · 30/07/2025

Full video of the tsunami in Petropavlovsk-Kamchatsky, Kamchatka, Russia, following the 8.7 earthquake. Wave seems incoming and a few meters at least.

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Vala Hjörleifsdóttir @valah.bsky.social · 30/07/2025

It is so hard to estimate the size of such a large earthquake correctly. For that we need to look at very long period waves, and to do that we need for them to arrive at the seismic stations. First indications (USGS) suggest that the rupture duration of this event is likely above 100 seconds

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Vala Hjörleifsdóttir @valah.bsky.social · 30/07/2025

Predicted arrival times of tsunamis in the Pacific basin - from NY Times

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Vala Hjörleifsdóttir @valah.bsky.social · 30/07/2025

A very large earthquake occurred offshore Kamchatka just over an hour ago. Tsunami warning in effect of the Pacific.

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Reposted by Vala Hjörleifsdóttir

Jascha Polet @jascha.bsky.social · 15/07/2025

I generated a quick map with past seismicity and it appears that M5ish earthquakes have previously occurred near the North coast of Greenland. Today’s M5.8 event is the pink square. ⚒️🧪

Past seismicity map that includes a lot of different earthquake catalogs. Generated by Jascha Polet using GMT.

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Reposted by Vala Hjörleifsdóttir

Ed Hawkins @edhawkins.org · 21/06/2025

Every country is warming. Every country is experiencing more extreme weather events because of climate change, mainly caused by burning fossil fuels. www.ShowYourStripes.info Time to #ShowYourStripes and start climate conversations to prompt actions to reduce emissions, personally & collectively.

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Katie Mack @astrokatie.com · 03/06/2025

If you burn down a forest, you don't miss out on lumber for just that season. You have to replant all the trees, nurture them, and wait for them to grow. The science and research budget cuts happening now are wanton, senseless arson. Recovery, if it ever happens, will take generations.

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Evan Torner @guyintheblackhat.bsky.social · 18/05/2025

There is a false dichotomy drawn between "the ivory tower" and "the real world," and I'm here to report that in a post-industrial society, your real-world economy absolutely hinges on the university. University towns are factory towns. Universities drive economic activity, not the other way around.

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Vala Hjörleifsdóttir @valah.bsky.social · 12/05/2025

War on women continues.. in countries where women typically stay home after having children (I am thinking Japan for example), they have voted on these type of policies by not having children..

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Vala Hjörleifsdóttir @valah.bsky.social · 12/05/2025

Incredible footage of a fault moving - the whole landscape in the background shifts.

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