A M 5.1 quake struck NE Colombia tonight. This quake is likely another event in the “Bucaramanga nest,” one of the highest concentrations of intermediate depth seismicity in the world. Many attribute this activity to collision of two subducted plates.
- Does Alaska’s magnitude-7.8 Simeonof earthquake finally close a seismic gap? - August 1, 2020
- M 4.2 in San Fernando - July 30, 2020
- Hydrated oceanic crust supports benign plate movement at subduction zones - July 23, 2020