seismic moment calculator

Variables. Earthquake Seismometer Equations Calculator Earth Science Geology Geophysics Seismology Formulas. Calculate the size of an earthquake based on the moment magnitude value using the seismic moment calculator. generating seismic waves which radiate outward and are detected by seismographs. The seismic moment is a measure of the size of an earthquake based on the area of fault rupture, the average amount of slip, and the force that was required to overcome the friction sticking the rocks together that were offset by faulting as shown in figure 1. Code to add this calci to your website . Variables.



Add to Solver. Magnitude earthquake has several types, and currently the moment magnitude is mainly used. Calculate the seismic moment, M_o (energy release) of each earthquake. The seismic moment is a measure of the total amount of energy that is transformed during an earthquake. Homework Statement The great Sumatra earthquake of late 2004 had a main shock with an M_w magnitude of 9.1 and a large aftershock in early 2005 had an M_w of 8.6. Seismic moment is a quantity to measure the size of an earthquake and is proportional to the area of the rupture times the average slip that took place in the earthquake. Add to Solver.

The Magnitude increases +2, energy increases 1000 times. Seismic moment (Mo) = μ* rupture area * slip length where μ is the shear modulus of the crust (approx 3x10 10 N/m) Moment magnitude (Mw) = 2/3log(Mo) - 6.06 Math Geometry Physics Force Fluid Mechanics Finance Loan Calculator. The magnitude do not depend on where the measurement is made. Earthquake Seismometer Equations Calculator Earth Science Geology Geophysics Seismology Formulas. This calculator uses the moment magnitude.

M 0: Seismic moment (N*m) Seismic moment is a quantity to measure the size of an earthquake and is proportional to the area of the rupture times the average slip that took place in the earthquake. The existing footing is 2 feet wide by 1 foot thick concrete reinforced with (3) #4 rebar continuously. where μ is the shear modulus of the crust (approx 3x10 10 N/m) Moment magnitude (Mw) = 2/3log(Mo) - 6.06. Extended foundation walls are proposed to be constructed of 8-inch-thick concrete masonry units. Real Earthquake: Just use this calculator. seismic importance factor . Handy earthquake tiering chart. The Magnitude increases +2, energy increases 1000 times. Directions: Enter general data (city, importance factor), seismic data (site class, seismic … The formula is 10 1.5*(Richter Magnitude)+4.8 = Energy in Joules See Also. 1J = 1N*m 1TNT-ton=4.184GJ Calculate the size of an earthquake based on the moment magnitude value using the seismic moment calculator.

The Total Seismic Moment Energy is the result. Description. Seismic moment Solve. Solving for seismic moment… Moment magnitude, a quantitative measure of an earthquake’s magnitude (or relative size), developed in the 1970s by Hiroo Kanamori and Thomas C. Hanks.

'x' is the building period formula exponent, and is dependent on the type of seismic-force-resisting system that is used: x = 0.80 for moment-resisting frames of steel x = 0.90 for moment-resisting frame systems of reinforced concrete x = 0.75 for eccentrically braced steel frames x = …
Size calculations are tied to an earthquake’s seismic moment rather than to the amplitudes of waves recorded by seismographs. Magnitude earthquake has several types, and currently the moment magnitude is mainly used.

AlabamaQuake interactive earthquake energy calculator, showing total converted and released energy in the seismic moment and in radiated seismic waves, and providing representations of earthquake energy in common everyday equivalent quantities.

Usually only 1-10 percent or less of an earthquake's total energy is released in the form of radiated seismic … Top of

M 0: Seismic moment (N*m) is the shear modulus of the rocks involved in the earthquake (in pascals (Pa), i.e.
Description.

Seismic moment Solve. An earthquake has one magnitude. Seismic moment is a quantity used by seismologists to measure the size of an earthquake.The scalar seismic moment is defined by the equation =, where . Seismic moment can also be calculated from the amplitude spectra of seismic waves. Seismic moment (Mo) = μ* rupture area * slip length.

Homework Equations M_w = … Then, enter values for story heights above grade and seismic weight (approximately equal to the dead load) for each story. Directions: Enter general data (city, importance factor), seismic data (site class, seismic force resisting system), and wind data (exposure category, plan and parapet dimensions, and coefficients for directionality and topography). Related formulas. Math Geometry Physics Force Fluid Mechanics Finance Loan Calculator. Code to add this calci to your website . newtons per square meter); is the area of the rupture along the geologic fault where the earthquake occurred (in square meters), and Other Calculation Instructions 1J = 1N*m 1TNT-ton=4.184GJ I. e = 1.0:, S. DS = 0.2; and 2ground snow load of 20 lb/ft .

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