Seismology Research Centre’s Post

Here's the last 3 weeks of activity: 129 earthquakes detected in total. The largest was a magnitude 3.2 near Woods Point VIC, part of the ongoing sequence that began in late 2021. A magnitude 3.3 in South Australia fell just outside this map area, northeast of Lake Eyre.

103 Earthquakes in a week. The Permian is active. An article this week in the Austin American-Statesman highlighted the recent rumblings felt by the people in and around Scurry County, Texas. For folks not used to dealing with earthquakes I can't imagine that has been much fun. * https://lnkd.in/gqfDnv4c Pretty universally the quakes have been linked to ever-increasing volumes of produced water from oil and gas activity being injected into disposal wells and inducing slippage in the rocks below. Below, we use SeerAI's Geodesic platform to parse USGS earthquake events and produced water injection volumes for Scurry County, TX over time and it's definitely an eye-opener. For a more in-depth explanation check out our story map: * https://lnkd.in/gN-CCgWU

Is there a link to increased earthquakes and oil and gas activities? Data suggests so.

What a fascinating story... and shows how powerful SeerAI software is.

"nearly 2,700 earthquakes so far this year in BC incl a 6.4...west of Vancouver Island with at least 3 aftershocks measuring between 4.3 & 4.9..."  https://lnkd.in/g2EjFJ4V BC govt needs to wake up. Seismic safety is more than drop, cover & hold on https://lnkd.in/gi2MfZ6X  

"nearly 2,700 earthquakes so far this year in BC incl a 6.4...west of Vancouver Island with at least 3 aftershocks measuring between 4.3 & 4.9..."  https://lnkd.in/gdAMtp5C BC govt needs to wake up. Seismic safety is more than drop, cover & hold on https://lnkd.in/gaPR7aWE

Another cluster of earthquakes in the Permian last night and today. Looks like the magnitudes ranged from 2.5-3.9 (anything over 3 can typically be felt at the surface). During similar events the RRC has declared seismic response areas - effectively choking water disposal capacity in the catchment area - it will be interesting to see if that happens here too. Here's the operated wells in the area.

A M4.8 earthquake typically produces noticeable shaking, especially if it occurs near populated areas. While it may not cause significant damage to well-built structures, weaker buildings (like unreinforced masonry) and poorly constructed infrastructure could sustain minor to moderate damage. The shaking intensity would likely be felt by many people indoors and outdoors, causing objects to sway or fall. However, widespread devastation is unlikely at this magnitude, and the majority of injuries or damages would likely be minor. Nevertheless, it serves as a reminder of seismic risk in all regions of the US and the importance of preparedness for larger earthquakes.

Earthquake-induced soft-sediment deformation in the Pleistocene succession, Noarlunga Embayment, South Australia This, however, is the first record of an interpreted seismite in the St Vincent Basin, although its full extent is yet to be mapped. https://lnkd.in/gU4Gm9et

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