scholarly journals Normalized Radiated Seismic Energy From Laboratory Fracture Experiments on Opalinus Clayshale and Barre Granite

2020 ◽  
Vol 125 (3) ◽  
Author(s):  
Bing Q. Li ◽  
Herbert H. Einstein
Keyword(s):  
Seismic Energy ◽  
Radiated Seismic Energy ◽  
Barre Granite

Radiated seismic energy of earthquakes in the south–central region of the Gulf of California, Mexico

2018 ◽  
Vol 214 (2) ◽  
pp. 990-1003
Author(s):  
Raúl R Castro ◽  
Antonio Mendoza-Camberos ◽  
Arturo Pérez-Vertti
Keyword(s):  
Central Region ◽  
Gulf Of California ◽  
Seismic Energy ◽  
The South ◽  
Radiated Seismic Energy ◽  
South Central

scholarly journals Global patterns of radiated seismic energy and apparent stress

1995 ◽  
Vol 100 (B9) ◽  
pp. 18205-18228 ◽  
Author(s):  
George L. Choy ◽  
John L. Boatwright
Keyword(s):  
Seismic Energy ◽  
Apparent Stress ◽  
Radiated Seismic Energy ◽  
Global Patterns

Spatial distribution of radiated seismic energy from earthquakes in Taiwan and surrounding regions

2020 ◽  
Vol 204 ◽  
pp. 104591
Author(s):  
Ting-Li Lin ◽  
Himanshu Mittal ◽  
Cheng-Feng Wu ◽  
Yun-Hsuan Huang
Keyword(s):  
Spatial Distribution ◽  
Seismic Energy ◽  
Radiated Seismic Energy

Stress drop estimates for some aftershocks of the Ometepec, Guerrero, Mexico, earthquake of June 7, 1982

1987 ◽  
Vol 24 (8) ◽  
pp. 1727-1733 ◽  
Author(s):  
Cecilio J. Rebollar ◽  
Rosa M. Alvarez
Keyword(s):  
Stress Drop ◽  
Wave Attenuation ◽  
Seismic Energy ◽  
Coda Wave ◽  
Apparent Stress ◽  
Radiated Seismic Energy ◽  
Seismic Coda ◽  
Seismic Quality Factor ◽  
Single Station ◽  
Stress Drops

Brune's stress drop, apparent stress, and arms stress drop are estimated at a single station for 25 aftershocks of the Ometepec earthquakes (Ms = 6.9 and Ms = 7.0). The arms stress drops and apparent stresses are systematically smaller than Brune's stress drops. Stress drops from the root mean square of acceleration and apparent stress range from 0.01 to 10.2 bars (1 bar = 100 kPa) except for two values (21.4 and 33.0 bars). On the other hand, Brune's stress drops range from 0.6 to 239 bars. Seismic moments ranging from 0.5 × 1019 to 289 × 1019 dyn∙cm (1 dyn∙cm = 10 μN∙cm) were estimated for events with coda magnitudes between 0.6 and 2.2. Values of radiated seismic energy calculated by integration of the displacement spectra range from 2.5 × 1012 to 2.3 × 1016 dyn∙cm. The fmax values lie between 16 and 30 Hz. Seismic coda wave attenuation measured on narrow band-pass-filtered seismograms show a linear dependence of the seismic quality factor of the form [Formula: see text] in the range of frequencies from 3 to 24 Hz.

The Mw 7.6 Dusky Sound earthquake of 2009

2010 ◽  
Vol 43 (1) ◽  
pp. 24-40 ◽  
Author(s):  
Bill Fry ◽  
Stephen Bannister ◽  
John Beavan ◽  
Lara Bland ◽  
Brendon Bradley ◽  
...  
Keyword(s):  
Moment Tensor ◽  
Seismic Energy ◽  
Rupture Directivity ◽  
Centroid Moment Tensor ◽  
M Wave ◽  
Radiated Seismic Energy ◽  
Australian Plate ◽  
Finite Fault ◽  
Minimal Damage ◽  
Sparse Population

The Mw 7.6 Dusky Sound earthquake of July 15th, 2009, was the largest magnitude earthquake in New Zealand since the devastating 1931 Hawke’s Bay event (Ms 7.8). The earthquake was sufficiently large to generate at least a 2.3 m wave at Passage Point. Despite its large magnitude, this event resulted in relatively minimal damage when compared to worldwide events of a similar size. This can be explained as a fortunate combination of the sparse population of the area and the specific physical characteristics of the earthquake. Centroid Moment Tensor (CMT) solutions define the rupture surface as a low-angle plane and finite fault inversions confirm the slip occurred on the interface between the eastward-subducting Australian plate and overriding Pacific plate, initiating at about 30 km depth and rupturing upward and southwestward to about 15 km depth. The oceanward rupture directivity likely contributed to the lower intensity of measured ground motion than might be expected for such a large, shallow event. The amount of radiated seismic energy from the earthquake was relatively small, and far fewer landslides were triggered from this event than from the 2003 Mw 7.2 Fiordland event.

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