An earthquake, volcano, or underwater explosion can create giant waves in the ocean that can rocket toward shore the death toll is significant world's worst tsunamis. That kind of terrible earthquake struck andalusia on christmas in 1884 it was a more horrific earthquake in the history of andalusia that took many lives and inflicted a lot of material damage christmas, just like every year in andalusia, began cheerfully, and it was not even announced that it would mark the catastrophe of enormous . As massive and deadly as japan's recent magnitude 90 earthquake was, it's not the world's biggest recorded quake it is japan's largest quake, but dating back to 1900, four other earthquakes of . A worst-case magnitude 82 earthquake would rupture the entire length of the san andreas fault, from the salton sea near the mexican border through monterey county.
Effects of an earthquake the most powerful earthquakes can lead to terrible loss of life and the destruction of whole towns and cities they can trigger tsunamis (powerful ocean waves) and landslides. Earthquake is a terrible kind of natural calamity where earthquake occurs the earth shakes if the earth shakes violently, the result is disastrous man may escape other kinds of calamity but if earthquake occurs, there is no way out the interior of the earth is full of hot liquid this liquid . Volcanic earthquakes volcanically triggered earthquakes have the potential to cause cracks, ground deformation, and damage to manmade structures they typically are much smaller than earthquakes caused by non-volcanic sources. Ground shaking is the primary cause of earthquake damage to man-made structures when the ground shakes strongly, buildings can be damaged or destroyed and their occupants may be injured or killed seismologists have observed that some districts tend to repeatedly experience stronger seismic shaking .
Earthquakes at a plate boundary an earthquake is a sudden motion or trembling in the crust caused by the abrupt release of accumulated stress along a fault, a break . The perceived intensity of an earthquake is measured using the modified mercalli scale, which is based on qualitative descriptions, such as the type and extent of property damage, and changes in groundwater and surface water flows. From the nepal earthquake that has so far claimed over 5000 lives to port-au-prince, haiti, these are 25 of the worst earthquakes in history. Three kinds of earthquakes here in the pacific northwest, there are three kinds of earthquakes: subduction zone earthquakes, shallow fault earthquakes, and deep earthquakes. The point of origin of an earthquake is known as its epicenter and the instrument used to measure the frequency of an earthquake is called a seismometer the basic principle behind the working of a seismometer is the recording of the frequency of vibrations being caused at a particular place.
Earthquakes associated with this type of energy release are called tectonic earthquakes tectonics tectonic earthquakes are explained by the so-called elastic rebound theory , formulated by the american geologist harry fielding reid after the san andreas fault ruptured in 1906, generating the great san francisco earthquake . Start studying plate tectonics, earthquakes, volcanoes science review learn vocabulary, terms, and more with flashcards, games, and other study tools. Are the two mexican earthquakes connected – and are more on the way a 61 magnitude earthquake was recorded 283 kilometres off the coast of planning for the worst can hugely reduce the . The magnitude 82 earthquake that ravaged southern mexico on sept 7 was the largest to shake the country in nearly a century like california, mexico is a seismically active region that has seen .
The other type of earthquake is the artificial or man-made quake this type of quake has been felt all over the world after the detonation of a nuclear weapon. I had no sooner stepped do ground, than i plainly saw it was a terrible earthquake, for the ground i stood on shook three times at about eight minutes' distance, with three such shocks as would have overturned the strongest building that could be supposed to have stood on the earth and a great piece of the top of a rock which stood about half . Earthquakes and composite volcanoes are common at this type of boundary plates move past on another at transform boundaries the most famous example of this type of boundary is the san andreas . The earthquake already happened and they are in the rebuilding stages it is the perfect time to come and support this beautiful country it's still prime tourist season and the weather is gorgeous”.
This type of earthquake could occur beneath much of the northwest at depths of 25-37 miles (40-60 km) since the late 1980â€™s there has been a significant increase in the understanding of earthquake hazards in the pacific northwest. The worst tragedies have taken place in areas with old masonry buildings built on sandy soil, such as occurred in the devastating earthquake of the marina district in san francisco and in mexico city. San francisco-oakland earthquake of 1989damaged buildings in santa cruz, california, following the san francisco-oakland earthquake of 1989ce meyer/us geological survey the earthquake significantly damaged the transportation system of the bay area the collapse of the cypress street viaduct .
Types of earthquakes & faults there are four different types of earthquakes: tectonic, volcanic, collapse and explosion a tectonic earthquake is one that occurs when the earth's crust breaks due to geological forces on rocks and adjoining plates that cause physical and chemical changes. San francisco earthquake, 1906 on the morning of april 18, 1906, a massive earthquake shook san francisco, california though the quake lasted less than a minute, its immediate impact was disastrous. The indian ocean tsunami generated by the most powerful earthquake in decades on december 26 is believed to have killed more than 150,000 people and made millions homeless, making it perhaps the . A look at the worst earthquakes in recorded history, in loss of human life (the march 11, 2011, earthquake and tsumani that affected eastern japan is not included because the fatalities caused .