Fluid-induced earthquakes with variable stress drop
نویسندگان
چکیده
منابع مشابه
Dynamic Stress Drop of Recent Earthquakes: Variations within Subduction Zones
Stress drop is a fundamental parameter of earthquakes, but it is difficult to obtain reliable stress drop estimates for most earthquakes. Static stress drop estimates require knowledge of the seismic moment and fault area. Dynamic stress drop estimates are based entirely upon the observed source time functions. Based on analytical formulas that I derive for the crack and slip-pulse rupture mode...
متن کاملNucleation speed limit on remote fluid-induced earthquakes
Earthquakes triggered by other remote seismic events are explained as a response to long-traveling seismic waves that temporarily stress the crust. However, delays of hours or days after seismic waves pass through are reported by several studies, which are difficult to reconcile with the transient stresses imparted by seismic waves. We show that these delays are proportional to magnitude and th...
متن کاملSimulation of the Burridge-Knopoff model of earthquakes with variable range stress transfer.
Simple models of earthquake faults are important for understanding the mechanisms for their observed behavior, such as Gutenberg-Richter scaling and the relation between large and small events, which is the basis for various forecasting methods. Although cellular automaton models have been studied extensively in the long-range stress transfer limit, this limit has not been studied for the Burri...
متن کاملStatic and Dynamic Scaling Relations for Earthquakes and Their Implications for Rupture Speed and Stress Drop
We investigate the relation between a static scaling relation, M0 (seismic moment) versus f 0 (spectral corner frequency), and a dynamic scaling relation between M0 and ER (radiated energy). These two scaling relations are not independent. Using the variational calculus, we show that the ratio ẽ ER/M0 has a lower bound, ẽmin, for given M0 and f 0. If the commonly used static scaling relation (M...
متن کاملRepeating Earthquakes as Low-Stress-Drop Events at a Border between Locked and Creeping Fault Patches
The source of repeating earthquakes on creeping faults is modeled as a weak asperity at a border between much larger locked and creeping patches on the fault plane. The x−1 2 / decrease in stress concentration with distance x from the boundary is shown to lead directly to the observed scaling T M ∝ 0 1 6 / between the average repeat time and average scalar moment for a repeating sequence. The s...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of Geophysical Research: Solid Earth
سال: 2014
ISSN: 2169-9313
DOI: 10.1002/2014jb011282