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The Center, Body, and Range of Technically Defensible Interpretations. The CBD of TDI.

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Category: strike-slip (page 9)

Earthquake Report: Kaikōura, New Zealand Post # 01

Posted on: November 26, 2016 Last updated on: November 13, 2023 Written by: Jay Patton Comments: 2
This is the first of several posts about a complex earthquake series that happened along the northern end of the South Island in New Zealand. I was at sea on the R/V Tangaroa collecting piston cores offshore along the Hikurangi…
Continue reading “Earthquake Report: Kaikōura, New Zealand Post # 01”…

Earthquake Report: Laytonville (northern CA)!

Posted on: November 6, 2016 Last updated on: November 7, 2023 Written by: Jay Patton Comments: 0
This morning there was another earthquake in northern CA between the San Andreas (SAF) and Maacama faults (MF). This region has been active for the past few years, with earthquakes in the M 3-4 range. Most recently, there was a…
Continue reading “Earthquake Report: Laytonville (northern CA)!”…

Earthquake Report: Laytonville, CA

Posted on: November 3, 2016 Last updated on: November 2, 2023 Written by: Jay Patton Comments: 3
Last night we had an earthquake between the Maacama faults and the San Andreas fault. This region has experienced several earthquakes recently, which makes me think that there may be an unmapped fault there (there is no hydrothermal or oil…
Continue reading “Earthquake Report: Laytonville, CA”…

Earthquake Report: Mendocino fault!

Posted on: October 28, 2016 Last updated on: October 28, 2016 Written by: Jay Patton Comments: 0
Yesterday there was an earthquake along the eastern extension of the Mendocino fault system. This magnitude M = 4.1 earthquake (here is the USGS website for this earthquake) is a small magnitude, but it was widely felt. I was in…
Continue reading “Earthquake Report: Mendocino fault!”…

Earthquake Report: Gorda Plate!

Posted on: September 25, 2016 Last updated on: September 25, 2023 Written by: Jay Patton Comments: 4
Last night, while I was preparing an online exam for my students to take while I am at the Geological Society of America Annual Meeting in Denver Colorado, there were a couple earthquakes in the Gorda plate offshore of northern…
Continue reading “Earthquake Report: Gorda Plate!”…

Earthquake Report: Tanzania

Posted on: September 13, 2016 Last updated on: September 11, 2023 Written by: Jay Patton Comments: 2
Well, I am a little late preparing this report. I actually put it together over the weekend, but am only now uploading this. There was an interesting earthquake along the southwestern edge of Lake Victoria, in the East-Africa Rift (EAR)…
Continue reading “Earthquake Report: Tanzania”…

Earthquake Report: Bering-Kresla Shear Zone (Russia, west of Aleutians)

Posted on: September 5, 2016 Last updated on: August 24, 2024 Written by: Jay Patton Comments: 2
If there is an earthquake and nobody is there to feel it, did it shake? Here is the USGS website for the M 6.3 earthquake that occurred in the far western Aleutians, so far west, it is called Russia. Below…
Continue reading “Earthquake Report: Bering-Kresla Shear Zone (Russia, west of Aleutians)”…

Earthquake Report: Mendocino fault!

Posted on: September 2, 2016 Last updated on: September 3, 2023 Written by: Jay Patton Comments: 3
Well, I felt that one. The shaking lasted about 5-7 seconds in Manila, CA (where I live). Here is the USGS website for this M = 5.6 earthquake. This earthquake appears to have occurred along the Mendocino fault, a right-lateral…
Continue reading “Earthquake Report: Mendocino fault!”…

Earthquake Report: New Hebrides / Tonga Update #2

Posted on: August 12, 2016 Last updated on: August 12, 2016 Written by: Jay Patton Comments: 0
I put together another map that shows these two earthquakes. The M 7.2 earthquake appears to be along a west-northwest striking right lateral strike-slip fault and the M 6.1 appears to be either a steeply or shallowly dipping normal (extension)…
Continue reading “Earthquake Report: New Hebrides / Tonga Update #2”…

Earthquake Report: New Hebrides Update #1

Posted on: August 11, 2016 Last updated on: August 11, 2016 Written by: Jay Patton Comments: 2
Well, as I was writing my initial report, some aftershocks hit. My initial report is(here, where I provide more information about the tectonics). At first I interpreted this M 7.2 earthquake as a northeast striking left-lateral strike-slip earthquake. However, these…
Continue reading “Earthquake Report: New Hebrides Update #1”…
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