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Late last night there was a sequence of earthquakes in southern California. The mainshock is a M 4.5 earthquake. https://earthquake.usgs.gov/earthquakes/eventpage/ci38695658/executive This temblor was widely felt across the southland (including by my mom
Figure 1. Regional structure map (a) and sample location map (b) corresponding to the red rectangle in sub-figure (a). WSRBF: West Santa Rosa Bank Fault; WGF: West Guam fault. Challenger Deep, the deepest known point in the Earth’s seabed hydrosphere, is situated in the Mariana Trench...
It might come as a surprise considering that the route is relatively unknown, but the entire path, from the east coast to the west coast, is well-waymarked. You probably won’t need to use a map, but make sure to learn how to read one, just in case. Visibility can be a problem a...
Projection of microearthquake hypocenters of the 2006–2012 seismicity (green circles) and the 2016–2018 seismicity relocated with double-difference method (red circles) along the vertical cross section of the AA′ profile displayed on the map of Fig. 1. The dimension of circles is proportional...
Figure 1. (a) Simplified tectonic map of the Kyrgyz Tien-Shan. (b) Geological map of the Atbashy Ridge. The square shows location of the study area. The Atbashy Ridge is located to the south of the Atbashy-Inylchek fault, extends NE–SW for more than 130 km, and is up to 15 ...
White dashed lines map the fault, and black arrow indicates the orientation of the back azimuth, where the arrow points in the direction of the event. Large dots show the PGV minimum (dark blue) and maximum (yellow) locations within the array. Some of the nodes are missing because data ...
Fig. 1. Map of the Mount Etna - Catania region (Eastern Sicily) and nearby offshore (land in gray and bathymetry in color), showing the faults on the SE flank of Mount Etna and the offshore North Alfeo fault (red lines), the MEOC (Main Electro Optical Cable) operated by INFN-LNSa...
Section and map views of the reconstructed 3D models. Fault surfaces were built with the MOVE Suite software v. 2023 (Petroleum Experts Ltd) (a) 3D models and depth contour lines representing Villavallelonga and its antithetic faults, illuminated by CL-1, along with concurrent background seismic...
were dated for each sample. All AHe analyses were performed at the California Institute of Technology (Pasadena, CA, USA). ZHe dating was conducted at the University of Colorado (Boulder, CO, USA). Details about analytical procedures and sample analysis are reported in the Supplementary Materials...