Caltrans Finds Problems With Seismic Joint On Carquinez Bridge

VALLEJO (CBS SF) — Caltrans inspectors last month found a damaged seismic expansion joint showing signs of premature wear on the westbound side of the Carquinez Bridge, agency officials said Thursday. During an inspection of the suspension bridge on May 15, inspectors saw that that one of its expansion joints was cracked and misaligned and […]

Impact and GNSS-based deformation analysis of the earthquake in Türkiye on 6 February, 2023: a case study of the TAG (Tarsus–Adana–Gaziantep) motorway and Hatay airport

1 Introduction On 6 February, 2023, two earthquakes with magnitudes of MW: 7.7 and MW: 7.6 occurred in Türkiye at 04:17 and 13:27 local time with epicenters at Pazarcık-Kahramanmaras (N37.288°, E37.043°) and Elbistan-Kahramanmaras (N38.089°, E37.239°), respectively. The 7.7 magnitude earthquake occurred at a focal depth of 8.6 km and was located approximately 40 km northwest […]

Visiting Parkfield CA, town located on San Andreas Fault

READ MORE Life on the San Andreas: A 4-part series This is a 4-part series on life in Parkfield, California, the science of its seismology, and its distinction as “Earthquake Capital of the World.” Forty minutes northeast of Paso Robles lies a tiny ranching town whose reputation far exceeds its size. Most visitors reach the […]