Let’s discuss the question: how many additional seismic stations must report. We summarize all relevant answers in section Q&A of website Activegaliano.org in category: Blog Marketing. See more related questions in the comments below.
How many seismic stations must report seismogram information?
At least 3 earthquake recording stations are required to find the location of the earthquake epicenter. A single recording station can only calculate distance, but not direction; to cover all possibilities, a complete circle is drawn around that station.
When did the first P-wave arrive at this seismic station?
C) 9 minutes 40 seconds
Seismic station A is shown on Earth’s surface. At station A, the first P-wave arrives 11 minutes 40 seconds after the earthquake.
The establishment of a seismic station
Images related to the topicThe establishment of a seismic station
How long would it take for the first S wave to arrive?
Terms in this set (28) How long would it take for the first S-wave to arrive at a seismic station 4,000 kilometers away from the epicenter of an earthquake? 12 min.
At which seismic recording station is the difference in the arrival times of the P and S waves the greatest?
As the P and S waves travel out from an earthquake the P waves get progressively farther ahead of the S waves. Therefore, the farther a seismic recording station is from the earthquake epicenter the greater will be the difference in time of arrival between the P and S wave.
Why are 3 seismic stations needed?
Scientists use triangulation to find the epicenter of an earthquake. When seismic data is collected from at least three different locations, it can be used to determine the epicenter by where it intersects. Every earthquake is recorded on numerous seismographs located in different directions.
How many seismic stations must be used in triangulation?
Triangulation is a method that uses distance information determined from 3 seismic stations to uniquely locate the earthquake. On a map, circles are drawn around each seismic station.
What evidence is recorded at seismic stations?
Which evidence recorded at seismic stations following an earthquake supports the inference that Earth’s interior changes from solid rock to molten iron and nickel at the mantle-core boundary? P-waves arrive earlier than S-waves. P-waves and S-waves are both recorded at all stations.
What is the percentage of rubidium 87 atoms?
| ChEBI Name | rubidium-87 atom |
|---|---|
| ChEBI ID | CHEBI:52459 |
| Definition | The stable isotope of rubidium with relative atomic mass 86.909184, 27.9 atom percent natural abundance and nuclear spin 3/2. |
| Stars | This entity has been manually annotated by the ChEBI Team. |
How many seismograph stations data do you need to calculate one earthquake epicenters?
Three seismographs are needed. A circle is drawn from each of the three different seismograph locations, where the radius of each circle is equal to the distance from that station to the epicenter. The spot where those three circles intersect is the epicenter (Figure 13.12).
Which seismic wave travels fastest?
P waves travel fastest and are the first to arrive from the earthquake. In S or shear waves, rock oscillates perpendicular to the direction of wave propagation. In rock, S waves generally travel about 60% the speed of P waves, and the S wave always arrives after the P wave.
Which station point would receive no seismic waves?
The shadow zone is the area of the earth from angular distances of 104 to 140 degrees from a given earthquake that does not receive any direct P waves.
By 2023, Jiangsu will build more than 1,500 earthquake early warning observation stations
Images related to the topicBy 2023, Jiangsu will build more than 1,500 earthquake early warning observation stations
Why are P waves received but S-waves are not received by seismic stations?
They travel through liquids and solids, but move more slowly in liquids. S-waves, or secondary waves, are slower, and can only travel through solids. Thus, P-waves are the only ones that can travel through the all of Earth and can reach every seismograph station.
Which seismic station is closest to the epicenter how is this determined?
Finding the Epicenter
One seismogram indicates the distance to the epicenter. This is determined by the P-and S-wave arrival times. If a quake is near the seismograph, the S-waves arrive shortly after the P-waves. If a quake is far from the seismograph, the P-waves arrive long before the S-waves.
Which type of seismic wave was recorded first on the rotating drum?
| Identify the source of the magma for the volcanic activity in Hawaii | The Hawaii hot spot |
|---|---|
| State one possible cause of the earthquake that resulted in the movement of the bedrock detected by this seismograph. | Movement of the plates |
| Which type of seismic wave was recorded first on the rotating drum? | P-wave |
What is the approximate time difference between the first P-wave and the first S wave recorded at a seismic station located 8000 kilometers from an earthquake’s epicenter?
The difference in P and S wave arrival times at a seismic station is 8 minutes.
What is the minimum number of seismic stations needed to determine the location of an earthquake’s epicenter Brainly?
Answer. To find an earthquake epicenter you need at least three seismographs.
What is the magnitude of an earthquake measured by?
The Richter scale measures the largest wiggle (amplitude) on the recording, but other magnitude scales measure different parts of the earthquake. The USGS currently reports earthquake magnitudes using the Moment Magnitude scale, though many other magnitudes are calculated for research and comparison purposes.
How much more energy is released by a 7 earthquake than a 6?
How does magnitude relate to how much energy was produced in an earthquake? For each whole-number increase in magnitude, the seismic energy released increases by about 32 times. That means a magnitude 7 earthquake produces 32 times more energy — or is 32 times stronger — than a magnitude 6.
What is the minimum number of seismic stations needed to locate most earthquake epicenters?
Explainthat at least three stations are necessary to find the epicenter of an earthquake. Also explain that although three stations is the minimum, often seismologists use more than three, and the more they use the more accurate the location of the epicenter becomes.
How many seismograph stations are needed to locate the epicenter of an earthquake A 1 B 2 C 3 D 4?
To find an earthquake epicenter you need at least three seismographs.
What are two types of seismic wave used in triangulation method?
By analyzing seismograms, scientists are able to record three types of seismic waves: P-waves, S-waves, and surface waves. P-waves, or primary waves, have the greatest velocity, and will reach a seismogram first. S-waves, or secondary waves, move slower and are observed after the P-waves.
High-precision Eqk location using source-specific station terms and inter-event waveform similarity
Images related to the topicHigh-precision Eqk location using source-specific station terms and inter-event waveform similarity
Which statement best explains why no S waves are received directly from this earthquake?
Points X, Y, and Z represent seismic stations on Earth’s surface. Which statement best explains why no S-waves were received directly from this earthquake at some seismic stations? An interior Earth layer absorbs S-waves. Earth’s mantle reflects S-waves.
Which ocean current has the greatest warming influence on the climate of the Outer Banks of North Carolina?
The Gulf Stream has some direct effect on North Carolina temperatures, especially on the immediate coast. Though the Gulf Stream lies some 50 miles offshore, warm water eddies spin off from it and moderate the winter air temperatures along the Outer Banks.
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