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The Earthquake started somwhere around 5:12

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The Earthquake started somwhere around 5:12

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earthquakes are no bueno

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The odds of dying in an earth quake are 1 in 1000

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The odds of dying in an earth quake are 1 in 1000

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Contemporary accounts said the walls of Syria’s second-largest city crumbled and rocks cascaded into the streets. Aleppo’s citadel collapsed, killing hundreds of residents. Although Aleppo was the largest community affected by the earthquake, it likely did not suffer the worst of the damage. European Crusaders had constructed a citadel at nearby Harim, which was leveled by the quake. A Muslim fort at Al-Atarib was destroyed as well, and several smaller towns and manned forts were reduced to rubble. The quake was said to have been felt as far away as Damascus, about 220 miles to the south. The Aleppo earthquake was the first of several occurring between 1138 and 1139 that devastated areas in northern Syria and western Turkey.

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earthquakes cause fires

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ON APRIL FIFTEENTH TWENTY-EIGHTEEN THERE WAS A 5.9 MAGNITUDE EARTHQUAKE 54 MILES FROM TERNATE CITY, NORTH MALUKA, INDONESIA AT 2:30 PM SO IF YOU WERE WONDERING THERE YOU GO

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ON APRIL FIFTEENTH TWENTY-EIGHTEEN THERE WAS A 5.9 MAGNITUDE EARTHQUAKE 54 MILES FROM TERNATE CITY, NORTH MALUKA, INDONESIA AT 2:30 PM SO IF YOU WERE WONDERING THERE YOU GO

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ON APRIL FIFTEENTH TWENTY-EIGHTEEN THERE WAS A 5.9 MAGNITUDE EARTHQUAKE 54 MILES FROM TERNATE CITY, NORTH MALUKA, INDONESIA AT 2:30 PM SO IF YOU WERE WONDERING THERE YOU GO

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ON APRIL FIFTEENTH TWENTY-EIGHTEEN THERE WAS A 5.9 MAGNITUDE EARTHQUAKE 54 MILES FROM TERNATE CITY, NORTH MALUKA, INDONESIA AT 2:30 PM SO IF YOU WERE WONDERING THERE YOU GO

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1.Almost 80% of earthquakes happen along the Pacific Ocean.

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https://news.nationalgeographic.com/news/2003/11/1111_031111_earthquakeanimals.html

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Micro - Less than 2.0
Very minor - 2.0-2.9
Minor - 3.0-3.9
Light - 4.0-4.9
Moderate - 5.0-5.9
Strong - 6.0-6.9
Major - 7.0-7.9
Great - 8.0-9.9
Meteoric - 10.0+

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ON APRIL FIFTEENTH TWENTY-EIGHTEEN THERE WAS A 5.9 MAGNITUDE EARTHQUAKE 54 MILES FROM TERNATE CITY, NORTH MALUKA, INDONESIA AT 2:30 PM SO IF YOU WERE WONDERING THERE YOU GO

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Estonia is a country that has had the least amount of earthquakes

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Missouri gets lots of tiny earthquakes

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The date was September 1, 1923, and the event was the Great Kanto Earthquake, at the time considered the worst natural disaster ever to strike quake-prone Japan. The initial jolt was followed a few minutes later by a 40-foot-high tsunami. A series of towering waves swept away thousands of people. Then came fires, roaring through the wooden houses of Yokohama and Tokyo, the capital, burning everything—and everyone—in their path. The death toll would be about 140,000, including 44,000 who had sought refuge near Tokyo’s Sumida River in the first few hours, only to be immolated by a freak pillar of fire known as a “dragon twist.”Read more: https://www.smithsonianmag.com/history/the-great-japan-earthquake-of-1923-1764539/#zqkvudr7hD52F7jr.99Give the gift of Smithsonian magazine for only $12! http://bit.ly/1cGUiGvFollow us: @SmithsonianMag on Twitter

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The date was September 1, 1923, and the event was the Great Kanto Earthquake, at the time considered the worst natural disaster ever to strike quake-prone Japan. The initial jolt was followed a few minutes later by a 40-foot-high tsunami. A series of towering waves swept away thousands of people. Then came fires, roaring through the wooden houses of Yokohama and Tokyo, the capital, burning everything—and everyone—in their path. The death toll would be about 140,000, including 44,000 who had sought refuge near Tokyo’s Sumida River in the first few hours, only to be immolated by a freak pillar of fire known as a “dragon twist.”Read more: https://www.smithsonianmag.com/history/the-great-japan-earthquake-of-1923-1764539/#zqkvudr7hD52F7jr.99Give the gift of Smithsonian magazine for only $12! http://bit.ly/1cGUiGvFollow us: @SmithsonianMag on Twitter

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The earliest documented earthquake was in China in 1177 B.C

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The earliest documented earthquake was in China in 1177 B.C

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More destructive earthquakes normally have magnitudes ranging between 5.5 and 8.9

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More destructive earthquakes normally have magnitudes ranging between 5.5 and 8.9

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For centuries people have claimed that strange behavior by their cats, dogs and even cows can predict an imminent earthquake, but the first rigorous analysis of the phenomenon concludes that there is no strong evidence behind the claim.

Read more at: https://phys.org/news/2018-04-dog-earthquake-evidence-shaky.html#jCp

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there are primary and secondary affects of earthquakes primary is direct affects like buildings collapsing and secondary is like tsunamis and fires

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Most active zone.

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The magnitude of the 1906 San Francisco earthquake was 7.9

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earth's techtonic plates like to move around and cause earthquakes sometimes

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japan has the most earthquakes ever.
Tonga, Fiji, or Indonesia have the most unit recorded earthquakes.

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they cause tsunamis sometimes

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It is hard to estimate the intensity of the earthquake before it happens. 

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It is hard to estimate the intensity of the earthquake before it happens. 

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On January 3rd, 2018, a series of earthquakes occurred northeast of Mount St. Helens. The first quake hit with a magnitude of 3.9 and small tremors were felt from Portland all the way to Seattle. The second quake hit with a magnitude of 2.7, and was followed by smaller quakes with magnitudes ranging from 1.0 to 1.9. "The quakes centered on the Bean Creek drainage northeast of Mount St. Helens and about 3 miles east of Spirit Lake, ranging in depth from 9.4 kilos to 11.1 kilos, according to USGS."

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On January 3rd, 2018, a series of earthquakes occurred northeast of Mount St. Helens. The first quake hit with a magnitude of 3.9 and small tremors were felt from Portland all the way to Seattle. The second quake hit with a magnitude of 2.7, and was followed by smaller quakes with magnitudes ranging from 1.0 to 1.9. "The quakes centered on the Bean Creek drainage northeast of Mount St. Helens and about 3 miles east of Spirit Lake, ranging in depth from 9.4 kilos to 11.1 kilos, according to USGS."

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A series of earthquakes occurred to the northeast of Mount St. Helens early Wednesday morning, according to the U.S. Geological Survey.

The first quake hit with a 3.9 magnitude at 12:36 a.m., USGS said. Weak tremors were reportedly felt from Portland all the way to Seattle.

A second 2.7 magnitude earthquake hit at 12:39 a.m., which was followed by a swarm of smaller quakes ranging in magnitude from 1.0 to 1.9, USGS reported.

Bill Steele, a seismology lab coordinator for the Pacific Northwest Seismic Network, said in an interview Wednesday that the cluster of earthquakes does not mean people should worry about Mount St. Helens erupting again anytime soon.

The quakes centered on the Bean Creek drainage northeast of Mount St. Helens and about 3 miles east of Spirit Lake, ranging in depth from 9.4 kilometers to 11.1 kilometers, according to USGS.

The 3.9 quake was the largest earthquake in the immediate area since USGS started monitoring the region in the 1970s, local seismologists said Wednesday.

Steele added that it's normal for an area where the Earth's crust is weak to produce tectonic quakes near a volcano.

"We're in an area of crustal weakness that Mount St. Helens has exploited, but (the earthquakes) are not associated at all with the magmatic system that feeds the volcano," he said.

On average, PNSN locates between four and fourteen earthquakes within 10 kilometers of the volcano each week.

Wes Thelen, a seismologist with the Cascades Volcano Observatory, said Wednesday that all signs pointed to a tectonic earthquake.

"This has all of the fingerprints of a typical tectonic sequence," he told The Daily News.

Thelen said the earthquake was most likely a strike-slip fault - a vertical (or nearly vertical) fracture where the blocks have mostly moved horizontally.

The orientation of the fault was consistent with the regional tectonic stress states, Thelen said.

"That's something that we would expect with any earthquake that wasn't associated with a volcano," he said.

Thelen said the area to the northeast of the St. Helens Seismic Zone typically gets about one to five earthquakes per month.

"There's some scientific interest here but nothing societal really to speak of," he said.

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Series of earthquakes hits near Mount St. Helens

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A series of earthquakes occurred to the northeast of Mount St. Helens early Wednesday morning, according to the U.S. Geological Survey. The first quake hit with a 3.9 magnitude at 12:36 a.m., USGS said. Weak tremors were reportedly felt from Portland all the way to Seattle.

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The worst earthquake ever recorded was the Valdiva, it was a 9.4-9.6

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The worst earthquake ever recorded was the Valdiva, it was a 9.4-9.6

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The 1906 San Francisco earthquake struck on April 18 with an estimated magnitude of 7.8, the same magnitude as a devastating quake this weekend in Ecuador.

San Francisco's temblor was followed by major fires that lasted for several days. The toll was high, about 3,000 people died and more than 80% of the city of San Francisco was destroyed.
Special Report: It could cost $3 billion to prevent disastrous earthquake damage along San Francisco's Embarcadero >>
Streets of San Francisco: Fires break out in San Francisco on April 18, 1906, after a 7.8 magnitude earthquake struck the city.

Hibernia Bank: The building is in ruins following the massive earthquake that devastated the San Francisco area, April 18, 1906.

City streets: Damage caused by the 7.8 magnitude earthquake and fire along a broad avenue in San Francisco.

Fault lines: A quake-spawned chasm cuts through pavement at the corner of 18th and Lexington streets. Cracks and separations in the roadway can be caused by lateral spreading, or the sliding of ground. In the 1994 Northridge earthquake, lateral spreading severed gas lines and triggered huge fires.

City in ruins: Aftermath of the earthquake and fire. This view is southwest from the corner of Geary and Mason streets.

Destroyed Civic Center: The remains of San Francisco City Hall after the 1906 earthquake.

Ruined Market Street: Sunken area near the Ferry Building. April 20, 1906.

Smithereens: Downtown San Francisco after the devastation.

Lone survivor: Massive damage surrounds a building in San Francisco.

Burning city: Smoke billows following the fire that ravaged San Francisco.

Wrecked neighborhood: Undulations as large as 6 feet are seen along Dore Street from Bryant Street toward Brannan Street.

Looking at the remains: At Market and 10th streets, a person looks up at the devastation.

Only a shell: Buildings destroyed by earthquake and fire, looking down Montgomery Street at Market Street.

Pile of bricks: A multi-story brick building collapses in downtown San Francisco.

Leaning askew: A frame house was destroyed in the 1906 San Francisco earthquake.

Charred downtown: The downtown of San Francisco, in the northeast of the city, was consumed by flames in the great fire that followed the 1906 earthquake.

Damage extent: This map of San Francisco drawn for the Army shows the downtown area and wharves after the 1906 earthquake. Lines show boundaries of relief areas, and dots indicate locations of kitchens. Crosshatching shows the burned area (514 blocks). (Records of the Adjutant General's Office, 1780s-1917, RG 94).

Rupture extent: Map shows the extent of the 1906 rupture seen at the surface. The total length is 296 miles (477 kilometers). For comparison, the 1989 Loma Prieta earthquake had a rupture length of about 25 miles (40 km).

Newspaper coverage: At left, the L.A. Times front page from April 19, 1906 detailing San Francisco's great earthquake and fire. At right, the San Francisco Call newspaper reports on how the flames from the great fire of 1906 headed toward the Ferry Building. The structure ultimately survived.

Recovery: A shopkeeper in San Francisco's devastated Chinatown was already selling souvenirs hours after the great 1906 earthquake hit.
FROM THE ARCHIVES For San Francisco, a dress becomes a reminder of survival Ruth Newman dies at 113; oldest San Francisco earthquake survivor William Del Monte dies at 109; last survivor of San Francisco quake and fire of 1906

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110 years ago: Images from San Francisco's devastating 1906 earthquake

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The 1906 San Francisco earthquake struck on April 18 with an estimated magnitude of 7.8, the same magnitude as a devastating quake this weekend in Ecuador. San Francisco's temblor was followed by major fires that lasted for several days. The toll was high, about 3,000 people died and more than 80% of the city of San Francisco was destroyed.

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The worst natural disaster in U.S. history

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San Francisco Earthquake of 1906 - Facts & Summary - HISTORY.com

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Find out more about the history of San Francisco Earthquake of 1906, including videos, interesting articles, pictures, historical features and more. Get all the facts on HISTORY.com

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5:12 AM - April 18, 1906

The California earthquake of April 18, 1906 ranks as one of the most significant earthquakes of all time. Today, its importance comes more from the wealth of scientific knowledge derived from it than from its sheer size. Rupturing the northernmost 296 miles (477 kilometers) of the San Andreas fault from northwest of San Juan Bautista to the triple junction at Cape Mendocino, the earthquake confounded contemporary geologists with its large, horizontal displacements and great rupture length. Indeed, the significance of the fault and recognition of its large cumulative offset would not be fully appreciated until the advent of plate tectonics more than half a century later. Analysis of the 1906 displacements and strain in the surrounding crust led Reid (1910) to formulate his elastic-rebound theory of the earthquake source, which remains today the principal model of the earthquake cycle.

At almost precisely 5:12 a.m., local time, a foreshock occurred with sufficient force to be felt widely throughout the San Francisco Bay area. The great earthquake broke loose some 20 to 25 seconds later, with an epicenter near San Francisco. Violent shocks punctuated the strong shaking which lasted some 45 to 60 seconds. The earthquake was felt from southern Oregon to south of Los Angeles and inland as far as central Nevada. The highest Modified Mercalli Intensities (MMI's) of VII to IX paralleled the length of the rupture, extending as far as 80 kilometers inland from the fault trace. One important characteristic of the shaking intensity noted in Lawson's (1908) report was the clear correlation of intensity with underlying geologic conditions. Areas situated in sediment-filled valleys sustained stronger shaking than nearby bedrock sites, and the strongest shaking occurred in areas where ground reclaimed from San Francisco Bay failed in the earthquake. Modern seismic-zonation practice accounts for the differences in seismic hazard posed by varying geologic conditions.

As a basic reference about the earthquake and the damage it caused, geologic observations of the fault rupture and shaking effects, and other consequences of the earthquake, the Lawson (1908) report remains the authoritative work, as well as arguably the most important study of a single earthquake. In the public's mind, this earthquake is perhaps remembered most for the fire it spawned in San Francisco, giving it the somewhat misleading appellation of the "San Francisco earthquake". Shaking damage, however, was equally severe in many other places along the fault rupture. The frequently quoted value of 700 deaths caused by the earthquake and fire is now believed to underestimate the total loss of life by a factor of 3 or 4. Most of the fatalities occurred in San Francisco, and 189 were reported elsewhere.

Excerpted from Ellsworth, 1990.

Aerial view of the city taken from a series of kites five weeks after the earthquake and fire (154K).

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The California earthquake of April 18, 1906 ranks as one of the most significant earthquakes of all time. Today, its importance comes more from the wealth of scientific knowledge derived from it than from its sheer size.

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