Results 121 to 130 of about 6,295 (213)

Tectonic control on great earthquake periodicity in south-central Chile

open access: yesCommunications Earth & Environment
Multi-millennial records of great megathrust earthquakes have highlighted differences in periodicity and recurrence behavior. Understanding tectonic processes responsible for these differences is relevant for fault mechanics and hazard models.
Diego Aedo   +3 more
doaj   +1 more source

Temporarily Increased Recurrence Rate of Shallow Slow Slip Events Driven by Significant Afterslip Following the 2012 Mw 7.6 Nicoya Earthquake

open access: yesGeophysical Research Letters
Slow slip events (SSEs) release tectonic strain without causing sudden ground shaking. SSEs have been observed at many subduction zones, some dynamically triggered by stress changes due to the passage of seismic waves.
Guoli Li   +3 more
doaj   +1 more source

Unusually large tsunamis frequent a currently creeping part of the Aleutian megathrust

open access: yesGeophysical Research Letters, 2016
Current models used to assess earthquake and tsunami hazards are inadequate where creep dominates a subduction megathrust. Here we report geological evidence for large tsunamis, occurring on average every 300–340 years, near the source areas of the 1946 ...
Robert C. Witter   +9 more
doaj   +1 more source

The 2017 M_W 8.2 Chiapas, Mexico Earthquake: Energetic Slab Detachment [PDF]

open access: yes, 2017
On 8 September 2017, a great (M_w 8.2) normal faulting earthquake ruptured within the subducting Cocos Plate ~70 km landward from the Middle American Trench beneath the Tehuantepec gap. Iterative inversion and modeling of teleseismic and tsunami data and
Bai, Yefei   +4 more
core  

PREDICTION OF MEGATHRUST IMPACT ON SEISMIC RESPONSE IN SELEBAR DISTRICT OF BENGKULU CITY

open access: yesJurnal Pensil
Bengkulu City was hit by major earthquakes in 2000 and 2007 with magnitudes of 7.9 Mw and 8.6 Mw. In 2022 BMKG Baai Island, Bengkulu City, said that there is a potential for an earthquake with a maximum magnitude of 8.9.
Zhehan Fahrezi   +4 more
doaj   +1 more source

Earthquakes Can Trigger Megathrust Slip in Cascadia

open access: yesEos
A 2022 earthquake in Northern California may have triggered slow slip in the Cascadia Subduction Zone, according to a new study.
openaire   +1 more source

Rupture Depth-Varying Seismicity Patterns for Major and Great (M_W ≥ 7.0) Megathrust Earthquakes [PDF]

open access: yes, 2017
Large earthquakes on subduction zone plate boundary megathrusts result from intervals of strain accumulation and release. The mechanism diversity and spatial distribution of moderate-size aftershocks is influenced by the mainshock rupture depth extent ...
Brodsky, Emily E.   +3 more
core  

Elastic properties of rocks from the seismogenic zone and minimum fault size to nucleate megathrust earthquakes

open access: yesProgress in Earth and Planetary Science
The elastic properties of rocks in subduction zones are indicators of the stress states and determine the critical length required for earthquake nucleation.
Hanaya Okuda   +3 more
doaj   +1 more source

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