Free surface reflection and fault geometric asperities can excite backward propagation in the form of an interface wave or high-order re-rupture.
earthquakes
Posted inEditors' Highlights
Past Fracture Damage Can Inhibit Earthquake Slip
Around the surface rupture of the 2008 Wenchuan earthquake, a new study documents an anti-correlation between pre-existing fracture damage and earthquake slip – implying that damage inhibited slip.
Posted inThe Landslide Blog
Landslides from the Mw=7.3 17 December 2024 Port Vila Earthquake in Vanuatu
The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. It has been widely reported that an M=7.3 earthquake struck Vanuatu on 17 December 2024 at 12:47 local time. Wikipedia is referring to this as the Port Vila Earthquake as the epicentre […]
Posted inEditors' Highlights
120 Years of Geodetic Data on Kīlauea’s Décollement
A new study explores the deformation and stress changes of Kīlauea’s décollement from 1898 to 2018 by collating an unprecedented 120 years of geodetic data.
Posted inThe Landslide Blog
The mobility of landslides triggered by earthquakes
The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. A key determinant of the ability of a landslide to cause loss is its mobility. A more mobile landslide has greater potential capacity to impact humans and their assets, and faster movement […]
Posted inNews
Creeping Faults May Have Simpler Geometries
A recent study offers an alternative perspective on why some fault segments slide smoothly, whereas others get stuck and produce earthquakes.
Posted inThe Landslide Blog
The 8 October 2005 Hattian Bala landslide in Pakistan
The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. I was recently pondering some of the most interesting landslides on which I have worked during my career, and was reminded of the 8 October 2005 Hattian Bala landslide in Kashmir, Pakistan. […]
Posted inNews
Sedimentos Caribenhos Rastreados até o Terremoto e Tsunami Português de 1755
Arqueólogos escavando na Martinica encontraram por acaso o primeiro depósito de tsunami do terremoto encontrado no Novo Mundo. Ao que parece, o tsunami deixou um forte rastro, pois a onda passou por cima de um rio.
Posted inNews
Earthquakes May Lace Quartz Veins with Gold
Seismic activity may kick off chemical reactions that seed nuggets of gold.
Posted inEditors' Highlights
Seismotectonic Update of the Philippines-Taiwan Region
Using more than two decades of data, scientists find that the Philippine and Taiwan subduction region is controlled mainly by shallow seismicity and low magnitude earthquakes.