Articles tagged "slow-slip event"

coast earthquake

World's longest recorded earthquake lasted for 32 years

The devastating M8.5 earthquake that shook Sumatra, Indonesia, in 1861 was long believed to be a sudden rupture on a previously quiescent fault. However, new research showed that tectonic plates below the island had been slowly crashing against each other for 32...

June 04, 2021

hikurangi nz f

Slow-slip earthquake occurring off the east coast of North Island, New Zealand

A large, slow-slip earthquake is occurring off the east coast of North Island, New Zealand. The event began off the coast of Porangahau last week in the same area as the one that occurred shortly after the massive M7.8 Kaikoura Earthquake of November 2016. Based on...

May 31, 2021

seismic imaging pacific ocean 2

Study reveals inner workings of slow-slip earthquakes

Slow-slip earthquakes have been detected at many earthquake hotspots in the world, including areas around the Pacific Ring of Fire, but it remains unclear as to how they are linked to the damaging quakes that take place there. In a new study, researchers at The...

May 26, 2021

earthquake july 2020

Seismologists find slow earthquakes in Cascadia predictable

Seismologists at Caltech analyzed 10 years' worth of slow-slip events that result from episodic fault slip, like regular earthquakes, but only produce barely perceptible quakes in the Cascadia region of the Pacific Northwest. They found that this particular type...

July 11, 2020

slow slip event nz march april 2019 f

Slow-slip event off the coast of Gisborne: plate movement equivalent to a magnitude 7.0 earthquake, New Zealand

GNS scientists are monitoring a slow-slip event near Gisborne, off the east coast of North Island, New Zealand. This is an update on this event since it started registering in late March 2019. Slow-slip events are also known as "silent" earthquake. These...

April 29, 2019

slow slip event new zealand april 2019 f

Slow-slip event detected off the coast of Gisborne, New Zealand

GNS scientists are monitoring a slow-slip event that started at the end of March 2019 near Gisborne, off the east coast of North Island, New Zealand. Slow-slip events are linked to an increase in localized earthquake activity. A similar sequence of earthquakes was...

April 08, 2019