Earthquakes: World's Most Terrifying Forces | Deadly Disasters | Free Documentary

In 2011 the earthquake that struck New Zealand's South Island became the nation's fifth-deadliest disaster. In Italy, a country precariously perched on the border between the Eurasian and African Plates, we recall the events of the shocking 2009 L'Aquila earthquake. It reduced a beautiful 13th century city to rubble. Going even further back, we look at the 1994 earthquake that rocked Los Angeles in the early hours of the morning.

I remember the 89 Loma Preita quake, that was a long 17 seconds. The cypress freeway collapsed and killed a bunch of people, the bay bridge had a section collapsed, buildings built on soft soil nearly 70 miles from the epicenter collapsed, especially in San Francisco.

More earthwake documentaries ❤❤

That was a very well filmed and informative documentary. One thing I had heard about the P waves and S waves, but I didn't fully understand what they were. However, just that simple demonstration using a slinky, of all things, showed me what they are. The fact that Italy tried to imprison the scientists for not being able to warn people about the earthquake was ludicrous. They are the most unpredictable events on earth. Volcanoes, Tsunamis, Tornadoes and Hurricanes all have warning signs that can be observed. Not so with earthquakes, apart from perhaps pre-shocks, but how do you know whether that is a pre-shock and not the total sum of it? I'm glad they were freed and the charges quashed.

I wish everyone a safe, 2024

Excellent documentary. I live in earthquake country and have experienced dozens of earthquakes. Thank you for posting..

Mexico City has one of the best alert systems in the world because of how devastating the 1985 earthquake was.. Everyone respects the alarms. My friend lived through it in 1985 and said it looked like some dropped multiple nuclear bombs. Mother Nature is very unpredictable, stay safe everyone!

I hope that my 3D earthquake simulations will educate the general public about potential earthquake related hazards and create more curiosity about Earth Science in general. I do also hope that my videos will inspire a future generation of amazing architects, engineers and scientists! We all need to peacefully work together to make this world a better place. :) Really well-done documentary!

In Alaska we have massive quakes on the regular. Too bad the 7+ in November of ‘18 has a lot of footage, as did the 8 pointer in ‘02. We build for quakes. No deaths, no injuries, minor buildings damage. The roads get torn to pieces, and that’s the worst of it. You absolutely CAN build structures that are resilient to shaking

The earthquake early warning system is pretty cool! They have it for the entire state of California now. I've gotten two warnings for earthquakes since I installed the app. The first time, I got the warning, took cover, but never felt the earthquake because it looks like they overestimated its magnitude initially since they have to figure that out quickly to send a warning that will get to people before the shaking does. For the second one, I was so close to the earthquake that I felt it and the early warning only came in as I was taking shelter already. So, if you're within a couple miles of an earthquake, you'll feel it before the warning but earthquakes can be felt for quite a ways, particularly if they're strong and shallow, so the early warning will be useful to people a little bit further from the epicenter, especially if it's a particularly noteworthy earthquake that could cause damage or maybe knock things off of the shelves that might hit you if you haven't taken shelter. I've only ever had one thing fall at my house during an earthquake and that was my desk lamp during a 7.4, so most earthquakes just startle most people. The VAST majority of people who feel even a large earthquake will be totally fine and so will their building. Lots of people survive it even if they are in a building that collapses too so long as they take shelter in a good place. One of the biggest problems is that people still don't prepare themselves for when there's a disruption from an earthquake and that's why you see "looting," which is really just people taking the things they need to survive, not people taking advantage of the chaos to steal things. A lot of the stuff people take from stores would go bad anyway if the power goes out and causes all the freezers and refrigerators not to keep the food cool enough. It's actually better that this food is taken and eaten by people who need it because, even if all a person cares about it the profits of the business, they'd have to throw all that food out anyway because it's not legal to sell food that should have been kept cold if it warms up too much. After Northridge, some businesses actually did give away stuff like this and even batteries that they could have sold for money later. People should always be considered more important than property.

How can you blame humans for earthquakes.🤔

We had a rare earthquake swarm here in Oklahoma last week. Though it hit Edmond and surrounding area.. It literally cracked my concrete porch badly! I mean bad! I'm more than an hour south of there.

Ouch!! The mantle is NOT made of molten rock. It’s solid. It can, in some areas have a very small amount (1-2 percent) of molten rock mixed in; sort of a slush.

Poor Christchurch. All those stone and masonry buildings built before modern quakeproofing were vulnerable. but they're right, that CT building should've held. I think Los Angeles and many cities outside of Japan will find that most reinforced concrete is only good for one significant earthquake, and will then be compromised. I always watch the Northridge coverage with intent interest; my 2-story condo has a garage under my bedroom. That "soft story" is a vulnerability. I'm far enough from known faults it should be okay — but known is key, There could be a hidden fault. And San Andreas is 100 miles away, on the other side of the mountains.

In 1989 I was working as a horse groom in Indio California. Something woke me up very early . I sat up as my bed shimmed across the floor. I realized it was an earthquake. My bed actually moved about 6 feet! When it was over I had to push the bed back. I’m from Vancouver Canada and according to the experts we are do for the big one any day? We are on The ring of fire.

Whos in the light? I heard them when i was in tystberga on the way to johan onece and when i lived in vårberg they started again now i hear them everyday...

There's only one earthquake that I remember and that's the February 9th 1971 Sylmar earthquake. I lived though that one I was 8 and a half years old. The other 2 that have happened in California I have not, until last Saturday the 7th of this month, and there was an 4.5 and I felt that one. Love from Marysville California

Government will always find a way to blame the damage. When all the brightest and advanced earth scientist can't predict an earthquake even until today. What do these scientists know about the quality of every building built in that area? They forget that the damage depends on a lot of factors. One of the main is the structural engineering of a building to withstand an earthquake on a high magnitude. These politicians should be ashamed of themselves for prosecuting those sciencetist. The idiocy was astounding over there. 😂

6:42 Vina Del Mar 🇨🇱

"As they attract with one another you develop fault lines" Good to see they are still teaching the same way!