Canada’s capital, Ottawa, declared this earthquake as being its most powerful in 65 years.
2010 Central Canada earthquake.
| Montreal Ottawa | |
|---|---|
| UTC time | 2010-06-23 17:41:42 |
| Local date | 23 June 2010 |
| Local time | 1:41 PM (EDT) |
| Duration | 30 seconds |
https://youtube.com/watch?v=XA6VzusE_GI
When was the last major earthquake in Ottawa?
Ottawa-Gatineau was shaken into the year 2000 by a magnitude 5.2 earthquake centred at Kipawa, north of North Bay, about 300 km from Ottawa.
Has there ever been a 10.0 earthquake?
No, earthquakes of magnitude 10 or larger cannot happen. The magnitude of an earthquake is related to the length of the fault on which it occurs. That is, the longer the fault, the larger the earthquake.
Why is a 10.0 earthquake impossible?
So, to have a 10 you would need a million square kilometer rupture. The largest earthquake ever recorded was Chile in 1960, wave energy magnitude of 9.5. The rupture was 1000 x 600 km. You would need almost twice as much rupture area for a 10, which means twice as long, because you can’t go deeper than 600 km.
Has there ever been a 9.0 earthquake?
Called Cascadia, the magnitude 9.0 quake caused the entire Pacific Northwest coastline to suddenly drop 3 to 6 feet and sent a 33-foot high tsunami across the ocean to Japan. “Japanese sources document this earthquake, which is the earliest documented historical event in Western Washington.
Is Ottawa in an earthquake zone?
The Western Quebec Seismic Zone constitutes a vast territory that encloses the Ottawa Valley from Montreal to Temiscaming, as well as the Laurentians and the Eastern Ontario. The urban areas of Montreal, Ottawa-Hull and Cornwall are located in this zone.
Is Ottawa on a fault line?
Two big boundary faults define the north and south boundary of the Ottawa – Bonnechere Graben (Figure 4). The northern boundary is called the Mattawa Fault. The southern boundary is called the Petawawa Fault.
Can there be a 12.0 earthquake?
The magnitude scale is open-ended, meaning that scientists have not put a limit on how large an earthquake could be, but there is a limit just from the size of the earth. A magnitude 12 earthquake would require a fault larger than the earth itself.
What was the worst earthquake ever?
the Great Chilean earthquake
The 1960 Valdivia earthquake and tsunami (Spanish: Terremoto de Valdivia) or the Great Chilean earthquake (Gran terremoto de Chile) on 22 May 1960 was the most powerful earthquake ever recorded. Various studies have placed it at 9.4–9.6 on the moment magnitude scale.
What are the 5 largest earthquake ever recorded?
Largest Earthquakes ever recorded
- Valdivia, Chile 22 May 1960 (magnitude 9.5)
- Prince William Sound, Alaska 28 March 1964 (magnitude 9.2)
- Sumatra, Indonesia 26 December 2004 (magnitude 9.1)
- Sendai, Japan 11 March 2011 (magnitude 9.0)
- Kamchatka, Russia 4 November 1952 (magnitude 9.0)
What would happen if a 9.0 earthquake hit?
Narrator: The quake could kill about 1,800 people and leave 50,000 or more with injuries. While people could die from falling debris and collapsed structures, the highest death toll would be from fires.
What is the longest fault line in the world?
What is the San Andreas Fault?
- This fault is one of the largest faults in the world, running more than 800 miles from the Salton Sea to Cape Mendocino.
- See Your Local Earthquake Risk.
- Scientist project the San Andreas fault line could cause a devastating earthquake in California by 2030.
How long can a 10.0 earthquake last?
It’s doubtful that there are any fault lines on Earth big enough to release a magnitude 10 earthquake, but if one happened, you could expect the ground to shake just as hard as a magnitude 9, but for a lot longer – perhaps as much as 30 minutes.
Can a 9.0 earthquake cause a tsunami?
A tsunami triggered by a magnitude 9.0 earthquake would cover low-lying coastal communities under as much as 30 to 100 feet of water, depending on the area, maps show. However, the maps break ground in other ways – they also look at how fast that water will move.
How strong will the big one be?
The ‘Big One’ is a hypothetical earthquake of magnitude ~8 or greater that is expected to happen along the SAF. Such a quake will produce devastation to human civilization within about 50-100 miles of the SAF quake zone, especially in urban areas like Palm Springs, Los Angeles and San Francisco.
How long does a 9.0 earthquake last for?
five minutes
A magnitude 9.0 earthquake can last for five minutes or longer, and the amount of energy released is about 1,000 times greater than that of a 7.0. According to the U.S. Geological Survey, the most powerful quakes could leave few if any masonry buildings standing, destroy bridges and toss objects into the air.
What was the strongest earthquake in Ontario?
The 5.0-magnitude earthquake, its epicentre near Val-des-Bois, Que., about 60 kilometres north of Ottawa, struck at 1:41:41 p.m. on June 23, 2010, and was felt as far away as Windsor, Ont., and some U.S. states. “It felt like someone set off dynamite below us.
How common are earthquakes in Ottawa?
Ottawa is part of the western Quebec seismic zone. Boucher says the region sees about 120 earthquakes a year, but only 10 or so are felt by people.
What is the biggest earthquake in Canada?
Canada’s largest earthquake (magnitude 8.1) since 1700, occurred on August 22, 1949 off the coast of BC.
Are there natural disasters in Ottawa?
Rising water levels and excess groundwater from heavy rains have caused significant damage in the region over the last couple of years. In Ottawa-Gatineau, 5,996 homes were flooded or at risk of flooding in 2019. Flooding is now the costliest type of natural disaster in Canada.
When was the last tsunami in Canada?
The strongest tidal wave registered in Canada so far reached a height of 38 meters. On 12/04/2007, no losses of human lifes have been registered by this tsunami. The biggest impact in terms of lifes, injuries, destroyed homes and the economy had been a tsunami on 03/28/1964.