Let’s discuss the question: how many additional seismic stations must report. We summarize all relevant answers in section Q&A of website Domainedevilotte.com in category: Blog Technology. See more related questions in the comments below.

Table of Contents

## How many kilometers was the earthquake epicenter from New York City?

The distance from an epicenter of an earthquake to New York City is **3,000 kilometers**.

## 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**.

### Solving distance of epicenter from seismic stations…

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## Which seismic station is located in New York State?

**Fordham University’s Rose Hill campus** is home to the oldest seismic station in New York City, and one of the oldest in the United States. Installed in the basement of the university’s main administrative building in 1910, it continues to chart seismic activity from all over the world to this day.

## 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 do you need 3 seismic stations to find the epicenter?

During an earthquake, seismic waves are sent all over the globe. Though they may weaken with distance, seismographs are sensitive enough to still detect these waves. **In order to determine the location of an earthquake epicenter, seismographs from at least three different places are needed for a particular event**.

## 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 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.

## How many seismic stations are needed to locate an earthquake?

**At least 3 Seismic stations are needed to locate a single point**. To locate the epicenter of the earthquake shown on page 1, you will need a drawing compass, a pencil, and a copy of the earthquake travel time graph.

## What evidence is recorded at seismic stations?

**Only S-waves** are recorded at all stations. Only P-waves are recorded on the opposite side of Earth. What are the inferred pressure and temperature at the boundary of Earth’s stiffer mantle and outer core? Seismic station A is 5000 kilometers from the epicenter.

## What type of seismic waves travel the 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.

## How many seismograph stations data do you need to calculate one earthquake epicenters?

To find an earthquake epicenter you need **at least three seismographs**. Find the distance from each seismograph to the earthquake epicenter. The interception of the three circles is the epicenter.

### 4-Station Seismograph Network Records Earthquake (Educational)

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## 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.

## What is the difference in arrival time between P and S waves?

S waves are indicated by an abrupt change in wave amplitude. In the seismogram below, we see that the S wave arrived at about 34 sec after the P wave arrived. This time difference is called the **S-P interval** and is the lag time between the P and S wave.

## 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 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 |

## 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.

## How many individuals are affected by the earthquakes?

Emergency types. An average of **3.5 million people are affected by earthquakes every year**. Earthquakes usually cause severe damage to urban centres, resulting in the loss of life and damage to homes and other infrastructure.

## What is the magnitude of an earthquake measured by?

The **Richter magnitude** of an earthquake is determined from the logarithm of the amplitude of waves recorded by seismographs. Adjustments are included for the variation in the distance between the various seismographs and the epicenter of the earthquakes.

## How many seismic measurements are required to locate the epicenter of an earthquake Weegy?

Explanation: The epicenter refers to that particular point above the point of origin of an earthquake and it can be located with the help of seismograms that are to be placed **at least in three** distinct seismographic locations.

## What is the minimum number of points needed to locate the epicenter of an earthquake quizlet?

– You need a minimum of **three seismograph stations** to locate the epicenter of an earthquake using a travel-time graph. – Determining the location of the epicenter is sometimes referred to as “triangulation.”

## What is the arrival time difference between P and S waves at 4000 km?

The graph shows that the S-waves need about 12 minutes: 40 seconds to travel the same distance. Therefore, if the time separation between the arrival time of the P- and S-waves is **5 minutes:40 seconds**, the epicenter must be 4000 km away.

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## What does the Richter scale measure?

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 is the distance between a seismic station and the epicenter determined?

Finding the Distance to the Epicenter

**Use the time difference between the arrival of the P and S waves to estimate the distance from the earthquake to the station**. (From Bolt, 1978.) Measure the distance between the first P wave and the first S wave. In this case, the first P and S waves are 24 seconds apart.

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