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Which earthquake scale would be most appropriate to describe historic earthquakes where seismograph records are not available?
Wiki User
∙ 12y ago
The Modified Mercalli Scale
Wiki User
∙ 12y ago
The Mercalli intensity scale would be most appropriate for describing historic earthquakes where seismograph records are not available. This scale categorizes earthquakes based on the observed effects on people, buildings, and the environment rather than on instrumental measurements. It provides a qualitative description of the earthquake's intensity and impact.
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How many seismograph stations come benefit earthquake victims after an earthquake?
Seismograph stations help by providing critical data on the earthquake's location, magnitude, and depth. This information is crucial for assessing the impact, coordinating emergency response efforts, and developing early warning systems to mitigate future events. The more seismograph stations available, the more accurately and quickly this information can be gathered, benefiting earthquake victims by enabling more effective and timely response measures.
Which countries were hit by earthquakes between 2000 and 2011?
One of the largest earthquakes was the Magnitude 9.0 earthquake in Japan on March 11, 2011. The Jan 12, 2010 7.0 magnitude Earthquake in Haiti was the deadliest with the most fatalities in last 20 years. Take a look at the USGS Seismicity Maps for worldwide earthquake activity. A large full-scale detailed map is also available. USGS keeps lists of earthquakes by country, region, and year (1990 - present). See URL in related links.
How many aftershocks Kamchatka 1952 earthquake?
The Kamchatka 1952 earthquake was followed by numerous aftershocks, but an exact number is not available. Aftershocks can continue for days, weeks, or even years after a major earthquake, gradually decreasing in frequency and intensity over time.
What Pokemon on emerald can learn earthquake?
Some Pokemon in Pokemon Emerald that can learn Earthquake through leveling up include Groudon, Swampert, Flygon, and Claydol. There are also TMs available in the game that can teach Earthquake to a wider range of Pokemon.
How much did the seismograph cost in ancient times?
In ancient times, seismographs did not exist as we know them today. The first recorded seismoscope was created by the Chinese philosopher Zhang Heng in 132 AD, but there is no information available on its cost.
How many large earthquakes were there in 2002?
The list of earthquakes by year (1990-Present) or by country can be found at the USGS Earthquake Hazards Program website.The USGS provides a list of significant earthquakes for 2002 as well as a worldwide map of earthquakes for that year and previous years. Lists for historical earthquakes from earlier years are also available.
How many large earthquakes were there from 1990 to 2011?
On average, there are roughly 20,000 - 30,000 recorded earthquakes worldwide every year by the U.S. Geological Survey (USGS) National Earthquake Information Center. Of those, approximately 1 earthquake of magnitude 8.0 and higher (and 15 between M 7.0 - 7.9) occurs per year around the world. Some years have greater than average earthquakes such as 2007 in particular with 4 earthquakes of magnitude 8.0 or higher and 2008 with no earthquake higher than 7.9. The list of earthquakes by year (1990-Present) or by country can be found at the USGS Earthquake Hazards website. The USGS provides a list of significant earthquakes for each year starting from 1990 to present as well as a worldwide map of earthquakes. Lists for historical earthquakes from earlier years are also available. See link below.
Which countries were hit by earthquakes between 2000 and 2011?
One of the largest earthquakes was the Magnitude 9.0 earthquake in Japan on March 11, 2011. The Jan 12, 2010 7.0 magnitude Earthquake in Haiti was the deadliest with the most fatalities in last 20 years. Take a look at the USGS Seismicity Maps for worldwide earthquake activity. A large full-scale detailed map is also available. USGS keeps lists of earthquakes by country, region, and year (1990 - present). See URL in related links.
When did earthquakes first became predicted?
Currently earthquakes can not exactly be predicted, scientists can estimate the probability that an earthquake of a given size will affect a given location over a certain number of years, but it's still not possible to actually know if or when an earthquake will occur.China began trying to predict earthquakes in the 1970s but it was not so successful, they issued over 30 false predictions and only 2 correct ones. Japan attempted predictions around the same time which ultimately failed when an earthquake struck the city of Kobe in 1995. Several predictions were made by other countries throughout the 70-90s but almost all were entirely inaccurate.A good example of this would be the Parkfield earthquake prediction,the USGS predicted an earthquake to occur in Parkfield California between 1985 and 1993, this prediction was based upon regularly occurring earthquakes in the area in the early 1900s. These failed to occur but an earthquake did occur in that same area in 2004, showing some regularity in earthquakes, making predictions slightly more plausible.So, to date the only prediction method available is probability.
Which earthquake was the most powerful in history?
According to the U.S. Geological Survey (USGS) National Earthquake Information Center (NEIC) there are over a million earthquakes each year around the world -- that's on average 3,561 per day or 2.5 per minute. Only a portion of these are recorded (~20 - 30K per year) because most occur over remote areas or in the ocean.The NEIC collects records for earthquakes world-wide and makes available lists of earthquakes by region, year, magnitude/intensity,etc.To see list of more recent (or historic) earthquakes visit USGS Earthquake Hazards Program.
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Why do scientists think that seismic gaps are areas where future earthquakes are likely to occur?
Seismic gaps are regions along a fault line where significant earthquakes have not occurred for a long time. Since stress accumulates over time in these areas without being released in a major earthquake, scientists believe that these regions are more likely to rupture in the future, resulting in a significant seismic event. Monitoring seismic gaps helps in assessing earthquake risk and preparing for potential disasters.
Who measures earthquakes?
Earthquakes are measured by seismologists using instruments called seismometers. These devices detect and record ground movement caused by seismic waves, which helps determine the magnitude and location of an earthquake. Earthquake monitoring networks around the world collect and analyze data from seismometers to provide information on seismic activity.
Why is it easier to assign mercalli intensity to historic earthquakes than it is to give them a Richter-type magnitude?
It is easier to assign Mercalli intensity to historic earthquakes because it relies on the observed effects and damage caused by the earthquake rather than instrumental recordings, making it applicable for events that predate modern seismic instrumentation. Richter-type magnitude calculations, on the other hand, require precise instrumental measurements which are often not available for historic earthquakes.
When choosing between writing detail available upon request or details available upon request which is more appropriate The detail is referring to a list of stock sales?
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What help is available to people who did not have earthquake insurance and lost their homes in the February 2008 Nevada earthquake?
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When was the strongest earthquake in Ohio?
1875 was the stronger earthquake in ohio The Anna (Shelby County) earthquake on March 9, 1937 was the strongest earthquake to strike Ohio. Few seismographs were available at that time; however, based on the felt area of the earthquake and the damage that occurred in Anna and surrounding communities, the U.S. Geological Survey assigned a magnitude of 5.4 to this earthquake. This is from the ODNR Division of Geological Survey - OhioSeis Network
