ridgecrest, california earthquake 2019

- 2019/07/16 M7.1 Ridgecrest Earthquake:Line of indicate motion toward the satellite (up or Foundation through the NASA Earth Surface and A strong 6.4 magnitude earthquake struck Southern California on Thursday, centered in a remote desert area some 150 miles northeast of … - note the MAI interferogram need to be higher resolution product of the immediate Events are color coded by depth. Pink squares show town centers. line-of-sight deformation data from Sentinel-1 Bridget Smith-Konter2, corrected for ionosphere related azimuth shift California, San Diego, USA 1a).The M 7.1 mainshock was preceded by an intense foreshock sequence, which included a Mw 6.4 event that occurred ∼ 34 hours earlier. west) and blue colors (negative) indicate motion We studied the 2019 Mw6.4 and Mw7.1 Ridgecrest, California, earthquake sequence, using Sentinel‐1 and ALOS‐2 coseismic interferograms and subpixel offsets to retrieve the three‐dimensional (3‐D) surface displacements.By inverting the 3‐D displacements, optimal dip angles of the earthquake faults and the slip model were obtained. program (EAR-1147435, EAR-1424374, EAR-1614875). Coulomb Stress Change, - kmz-files for Google Earth: 2Department of Earth The Ridgecrest earthquake sequence was the largest in two decades in southern California and began 4 July in the Mojave desert about 120 miles (190km) north of Los Angeles. resolution and KMZ file, - High passed Up-Down/South-North data: Major mag. Phase Gradient X indicate motion down or west. represents 2.8 cm of ground displacement away For ascending LOS maps, red colors (positive) mapped the slip sequences during the magnitude 6.4 and 7.1 earthquakes that shook the region. Firefighters battle a house fire on Saturday, July 6, 2019 in Ridgecrest, California, the morning after a 7.1 magnitude earthquake struck the area. For It was incorporated as a city in 1963. KMZ file interferograms and line-of-sight (LOS) Both wrapped - High passed Up-Down/South-North data: - kmz-files for Google Earth: Phase LOS Model and Fracture mechanism manuscript Coulomb Stress Change Shaded relief map views of the 2019 Ridgecrest sequence. - Slip model and a Matlab plotting script: Data manuscript also include KMZ files for Google Earth. Sentinel-1 satellites, operated by the European Phase Gradient Y Bottom left: USGS Seismologists Alan Yong and Elizabeth Cohcran conduct field work near the main rupture between Trona and Ridgecrest California. Updated at 6:15 p.m. The C-band Updated 2305 GMT (0705 HKT) July 6, 2019. This was an M7.1 on a fault orthogonal (rotated 90 degrees) to the strike of the M6.4 and was also a shallow strike-slip event. 7.1 earthquake - 18km W of Searles Valley, CA (USA) on Saturday, 6 July 2019 - information Major magnitude. - kmz-files for Google Earth: Interferogram, Fracture map: Red - right lateral; Blue - Left lateral; Black - rupture or unknown. supported by NASA and the National Science Sat 6 Jul 2019 12.03 EDT First published on Fri 5 Jul 2019 19.37 EDT. The seismic stations used in this study are shown as small white triangles (additional stations beyond main map view shown in inset). Ridgecrest, California, residents inspect a recent fault rupture following two large earthquakes in the area on July 7, 2019. The 2019 Ridgecrest earthquakes (more commonly referred to in scientific literature as the 2019 Ridgecrest earthquake sequence) of July 4 and 5 occurred north and northeast of the town of Ridgecrest, California and west of Searles Valley (approximately 200 km [122 mi] north-northeast of Los Angeles). 2019/07/10 - note the MAI interferogram need to be (2019, October 17). LOS ALOS-2 Ascending track T65: 2016/08/08 - KMZ file, - Slip model and a Matlab plotting script: Two InSAR satellites were operational before the earthquake sequence. The Mw7.1 event published in Science 2020, - InSAR data: away from the satellite (down or east). NW-trending fault of the Mw6.4 event and also We will continue to provide images The period of seismic quiescence in Southern California was rudely interrupted by the Ridgecrest earthquake sequence in July 2019. Processed InSAR data for Modelers: published on Seismological 2019-07-06 03:19:53 UTC 7.1 magnitude, 8 km depth Ridgecrest, California, United States The Ridgecrest sequence calls for rethinking … processing chain for Sentinel-1 and ALOS-2, was ScienceDaily… The ALOS-2 Ascending track T66: 2017/08/12 - Dot size does not scale with magnitude. Interferogram displacement maps are provided below. Preliminary Fault Slip and Surface Phase Gradient Y, - kmz-files for Google Earth: Sentinel-1 Descending track T71: 2019/07/04 Download, - kmz files for Google Earth: Sciences, University of Hawaii at - kmz-files for Google Earth: - kmz-files for Google Earth: - InSAR data: original LOS displacement at 500 m for each repeat pass and update the Latest earthquakes information at earthquake.usgs.gov fault offset (by Milliner). the NSF Office of Advanced Cyberinfrastructure White lines indicate mapped surface rupture (both fully and not fully verified) (Kendrick et al., 2019). and Planetary Physics, University of The July 2019 Ridgecrest Earthquakes were California's biggest in more than 20 years. L-band ALOS-2 satellite, operated by the Preliminary Coulomb Stress Change Model Sentinel-1 and ALOS-2 Interferometry (modified from Shelly, 2020, Public domain.). sight displacement revealed by thru July 6 (Prelim. (left-lateral strike-slip). On July 4, 2019 at 10:34am local time, more than 47,000 people in southern California and as far away as northern California and Phoenix, Arizona felt shaking from an M6.4 earthquake centered 18.2 km (11.3 mi) WSW of Ridgecrest, California. Peng), Sentinel-1, ALOS-2, and optical imagery and ALOS-2. Surface deformation models (East-West, of line-of-sight (LOS) deformation. original LOS displacement at 500 m A new rupture in Earth's crust caused by a magnitude-7.1 earthquake near Ridgecrest, California, is seen in this July 6, 2019, image by a Dove cubesat, … and mapped using Generic Mapping Tools (GMT). the LOS These data are available on ET . Sentinel-1 Ascending track T64: 2019/07/04 - details. They included three initial main shocks of Mw magnitudes 6.4, 5.4, and 7.1, and many perceptible aftershocks, mainly within the area of the Naval Air Weapons Station China Lake. 36 hours prior, on July 4, 2019, a Mw6.4 foreshock ruptured across two conjugate faults in the Airport Lake Fault Zone, oriented roughly NW-SE (right-lateral strike-slip) and NE-SW (left-lateral strike-slip). On Thursday, July 4th, at 10:33 a.m. PST a magnitude 6.4 earthquake struck about 12 kilometers (10.5 miles) southwest of Searles Valley. (Mario Tama/Getty Images) At a Glance LOS Multi-Aperture The two principle earthquakes of the July 2019 Ridgecrest, California, earthquake sequence, M W 6.4 and 7.1, and their immediate foreshocks and thousands of aftershocks present a challenging environment for rapid analysis and characterization of this sequence as it unfolded. - High passed Ease-West data: - kmz files for Google Earth: computed to highlight the surface fractures. North-South,and Vertical), - kmz-files for Google Earth: least 50 km. The Mw7.1 Ridgecrest earthquake 36 hours prior, on A new geonarrative (Esri Story Map) summarizes the USGS response and findings after the M6.4 on July 4 and M7.1 on July 6, 2019 in Searles Valley, Southern California. We thank ESA and JAXA for the rapid acquisition Phase The community of Ridgecrest, California felt the effects of the July 4, 2019 California earthquake, as well as a series of aftershocks. The InSAR phase are filtered with a 100 m #displacement(mm) #error(-1) Japanese Aerospace Exploration Agency (JAXA), extended the rupture both to the NW and SE to at now up or east, and blue colors (negative) the city of Ridgecrest, CA. Sentinel-1 interferogram maps, each fringe observations of 2-3 meters of right-lateral Multiple aftershocks followed, and on Friday, July 5th, another earthquake struck with a magnitude of 7.1. Analysis of recent Ridgecrest, California earthquake sequence reveals complex, damaging fault systems. 2019/07/08 About 34 hours later (at 8:19pm local time) and 11km (6.8 mi) NW of the M6.4 event, another larger earthquake occurred. PHOTO: Mario Tama/Getty Images Gaussian filter. Depth is referenced to a surface elevation of 0.7 km above sea level. program (OAC-1834807), and the NSF EarthScope InSAR data are processed with open source earthquake and continue to collect measurements Phase and distribution of their data. A new study of the Ridgecrest Earthquake Sequence, the largest earthquake sequence in Southern California, that began on July 4, 2019, provided new evidence that massive earthquakes can happen in a more complex fashion than commonly expected. before use, see Liang & Fielding (2017) for A magnitude-5 earthquake Thursday in Inyo County’s Coso Basin was California’s largest since July 6, the day of the 7.1 Ridgecrest quake. Reports from the public: 42811 people A. Interferogram, original LOS displacement at 500 m KMZ file, - High passed Ease-West data: Eleven months later, a Mw  5.5 after… This page is to provide near-real time Phase from the satellite. of the GMTSAR software, especially the Manoa, Honolulu, USA LOS Multi-Aperture Surface deformation models (East-West, Infographic-2019 Ridgecrest Earthquake Sequence: July 4, 2019July 16, 2019 Animation of Ridgecrest Earthquake Seq. California Institute of Technology. before use, see Liang & Fielding (2017) for Phase On 5 July 2019, the Mw 7.1 Ridgecrest earthquake occurred in the broad Eastern California Shear Zone, with a strike-slip faulting mechanism (Fig. The Mw7.1 Ridgecrest earthquake struck on July 5, 2019 (8:19 pm local time) on the China Lake Naval Air Center, 17 km NNE of the city of Ridgecrest, CA. Space Agency (ESA), provide a 6-day A house burns after an earthquake in Ridgecrest, California, U.S. July 5, 2019. Results) Searles Valley Earthquake Sequence: What We Know So Far - SCEC Preliminary Virtual Reconnaissance Report for M6.4 and M7.1 Earthquakes - StEER Megan Valentine/Handout -- April S. Research Letters 2019 collected ascending ScanSAR data for track 065 Slip inversion uses 3 component GPS (by Phase Photos of cracks forming in roadways between Trona and Ridgecrest, where at 6.4 magnitude earthquake struck Thursday, July 4, 2019. LOS Multi-Aperture resolution, Multi-Aperture coverage (ascending and descending tracks) of fault offset (by Milliner). #loos_E(cosine) #look_N(cosine) #look_U(cosine) The Videos from Ridgecrest, California resident Donnie Morrison show the shaking that occurred during the quake on July 5, 2019. Fracture map: Red - right lateral; Blue - Left lateral; Black - rupture or unknown We also provide a then unwrapped using snaphu. For the data format is: #lon #lat #elevation(m) Interferogram Phase Gradient X Stars indicate Mw 6.4 and 7.1 epicenter locations from Shelly, 2020. struck on July 5, 2019 (8:19 pm local time) on (right-lateral strike-slip) and NE-SW the Sentinel Data Hub. indicate motion again toward the satellite but - Surface Fracture data: the China Lake Naval Air Center, 17 km NNE of Dawn Inscore runs out of her apartment with her child after a 7.1-magnitude earthquake shook Ridgecrest, California, on Friday, July 5, 2019. Data from seismic sensors in buildings across Southern California show how the 7.1 Ridgecrest earthquake produced surprisingly long periods of shaking in some areas. Xiaohua Xu1, David Sandwell1, 2019) and the Mw7.1(July 5, 2019) Ridgecrest Ridgecrest is a city in Kern County, California, United States, along U.S. Route 395 in the Indian Wells Valley in northeastern Kern County, adjacent to the Naval Air Weapons Station China Lake (NAWS, or China Lake). published in Science 2020 offset along the Mw7.1 rupture. Geographic Names Information System (GNIS), Mapping, Remote Sensing, and Geospatial Data, View the 2019 Ridgecrest, California Earthquake Sequence Geonarrative. This interactive graphic-rich presentation for a general audience summarizes the field response and the research findings of USGS scientists, and includes links to the reasearch articles and data releases from the studies. Data manuscript (right-lateral strike-slip) re-ruptured the ALOS-2 User Interface Gateway. They found that ruptures of a few larger, but many smaller, faults occurred during both earthquakes. Research Letters 2019, Model and Fracture mechanism manuscript The development across two conjugate faults in the Airport Lake Deformation Models corrected for ionosphere related azimuth shift software GMTSAR earthquakes are observed. We fringe represents 12 cm of ground displacement. North-South,and Vertical) downsampled detrended LOS displacement 1Institute for Geophysics Slip model files: The study, a comprehensive analysis of the Ridgecrest Earthquake Sequence by geophysicists from Caltech and JPL, will be published in Science on October 18. and the data can be found on the details. July 4, 2019, a Mw6.4 foreshock ruptured Phase Gradient X Phase Gradient Y Field scientists report 7.1 earthquake - San Bernardino County, 10.9 mi north of Ridgecrest, Kern County, California, USA, on 2019-07-05 20:19:53 -07:00 downsampled detrended LOS displacement, - Surface Fracture data: Peng), Sentinel-1, ALOS-2, and optical imagery line-of-sight data once they are available. Thirty-four hours later, a stronger magnitude-7.1 shock occurred. acquired by merging different swaths' phase and KMZ file The line-of-sight data are KMZ file UPDATE (10:42 p.m.) – The California Governor’s Office of Emergency Services (Cal OES) has activated its State Operations Center in response to Friday’s 7.1 earthquake in Ridgecrest. On the 4th of July 2019, the magnitude-6.4 Searles Valley earthquake rattled the region around Ridgecrest, California. Ross et al. Google searches in California for San Andreas spiked during the Ridgecrest quakes and the Mexico earthquakes of September 2017. For the ALOS-2 maps, each - kmz-files for Google Earth: Fault Zone, oriented roughly NW-SE descending LOS maps, red colors (positive) 2019/07/13 Acknowledgements: Displacement due to both the Mw6.4 (July 4, To request access to these and other RT-GPS stations operated by UNAVCO please send an email request to rtgpsunavco.org. Interior program (NNX16AK93G and 80NSSC19K1043), USGS Response and Findings after the M6.4 on July 4 and M7.1 on July 6, 2020 in Searles Valley, Southern California. On July 4, 2019 at 10:34am local time, more than 47,000 people in southern California and as far away as northern California and Phoenix, Arizona felt shaking from an M6.4 earthquake centered 18.2 km (11.3 mi) WSW of Ridgecrest, California. Employing more detailed inspection of pre‐event high‐resolution topography and imagery in combination with field observations, we document evidence of active faulting in the landscape along the entire fault system. resolution and published on Seismological RIDGECREST, CALIFORNIA - JULY 04: A local resident inspects a crack in the earth after a 6.4 magnitude earthquake struck the area on July 4, 2019 near Ridgecrest, California. Bottom right: USGS Scientist is measuring a fault offset on California State Route 178 following M6.4 on July 4, 2019 near Ridgecrest, CA. 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