Bigger in Texas?

Did you know earthquakes occur, monthly, in Texas?  A recent “large” earthquake with a magnitude M3.0 occurred near the town of Pecos, TX.  Earthquakes with magnitudes 2.0 to 3.5 have been occurring more frequently across the State in the past 5 years.  There is speculation about the possibility these events are human-induced seismicity – partly because of active oil and gas productivity in the State.  Several local institutions have been studying the earthquake activity with a focus on detecting when, and where, the ground shakes.  Although these studies discuss correlation of seismicity with energy production and enhanced recovery operations, direct causation has not been confidently established (yet).  Regional and local seismic monitoring continues by citizen scientists, academics and private enthusiasts…. and of course by TXESP.  Below are some examples of earthquake activity in 2019 within Texas.

Read more from UTIG/TexNet here , TAMEST here, and Southern Methodist University here.

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Trains and Railroad Crossings

DYK that seismographs record *any* ground motion, including local community activities?  This week we look at several examples of seismograms from a nearby railroad crossing.  Both the EQ1 and Raspberry Shake seismographs can detect the passing trains.  Shown below are unfiltered seismograms and associated spectrograms from Raspberry Shake Station RAD87.

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What’s this signal? Train? Electronics?

Give to “Seismographs in Houston Schools” >>>

For several weeks TXESP has observed an odd and interesting seismic signal recorded on the EQ-1 seismograph.  During the 15:00 UTC hour (locally 9:00 am CST), we observe the seismogram shown below.  We are curious if this mysterious, consistent recording is detecting a local scheduled train? ground motion caused by the pool circulating on a program? pumpin at the nearest water station (less than 5km away)?  What does it look like to you?  Our guess is the train although we have been unsuccessful locating the nearest railroad crossing’s train schedule (its privately owned).  

Screenshot of a mysterious, consistently occurring signal, during the 1500 UTC hour, is recorded on the EQ1 at IRIS’ Station E1TX.
Seismogram of a mysterious, consistently occurring signal, during the 1500 UTC hour, is recorded on the EQ1 at IRIS’ Station E1TX.
Seismogram of a mysterious, consistently occurring signal, during the 1500 UTC hour, is recorded at Raspberry Shake Station RAD87. A BP 3.0-6.0 Hz filter applied.
Spectrogram of a mysterious, consistently occurring signal, during the 1500 UTC hour, is recorded at Raspberry Shake Station RAD87. A BP 3.0-6.0 Hz filter applied.



DONATE TODAY – help TXESP serve our global community of Science


DYK that #seismologists have also served their Country? Help #TXESP continue **contributing to science**, through our service, and go beyond being only users of science!

Historically and currently, seismologists help monitor sub-surface #nuclear #weapons testing. #Seismographs detect the ground motion which occurs after a nuclear #detonation. The ground shaking produces seismic waves which can be monitored remotely by seismologists. This seismogram detected a nuclear explosion in #NorthKorea on 09/09/2016 at 00:30hrs UTC ; it was recorded on an EQ-1 seismograph in Spring, TX, USA.

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Seismographs in Houston Schools – Students tracking the weather…

DYK that we can track weather patterns using seismographs? When fast winds bring cold weather and rain showers to South Texas, students can observe them on our earthquake instruments! What’s the weather going to be like after school…. let’s take a look with our eyes…. (o) (o)

NASA OPSPARC Competition for grades 3-12

NASA OPSPARC Competition

OPTIMUS PRIME wants you to identify NASA Spinoff technology in your world and test your skills at designing an innovation that will make your universe a better place! By taking on this mission, you will work with technologies that expand our knowledge of galaxies, black holes and other astrophysics-related objects. Just like an engineer, you will use an engineering design process to create your own spinoff that may solve a real-world problem for the stars and beyond. Using a combination of text, images, and videos, you will create a webpage with Adobe Spark for Education to share your ideas with NASA.OPSPARC is open to students in grades 3-12 and submissions are open through December 1, 2019. Learn more on the NASA OPSPARC website.

Comparing Technology While the Earth Moves….in Nicaragua

Comparing Technology While the Earth Moves….in #Nicaragua on November 1, 2019 at 15:24hrs UTC.  This moderate #magnitude M5.3 #earthquake’s epicenter was offshore and ~50kms deep below the sea floor.  Due to its location, the event did not cause damages nor injuries onshore.

The two #seismograms are nearly identical at the scale shown.  The event was recorded in Spring, TX (Station #E1TX, #RAD87) on an EQ-1 and a #RaspberryShake 1D seismograph.  Several wave forms were detected including: P, PP, PPP, S, SS, PCP and PCS.

M5.3 Earthquake in Nicaragua on 11/1/2019 at 15:24 UTC. Seismogram from an EQ1 Seismograph.
M5.3 Earthquake in Nicaragua on 11/1/2019 at 15:24 UTC. Seismogram from a Raspberry Shake Seismograph.
Epicenter of the M5.3 Earthquake in Nicaragua on 11/1/2019 at 15:24 UTC.

What is TxGCP?

TXESP proudly serves as a Regional Representative for TxGCP.
Led by the Women in Engineering Program (WEP) at The University of Texas at Austin along with a Leadership Team and Champions Board, the Texas Girls Collaborative Project (TxGCP) brings together advocates and leaders from non-profits, K-12 schools, higher education institutions, companies and organizations across Texas. Visit them at >>>
The vision of the National Girls Collaborative Project (NGCP) is to bring together organizations throughout the US and Puerto Rico that are committed to informing and encouraging girls to pursue careers in science, technology, engineering, and mathematics (STEM).

Mars InSight Data Release 2 – Watch Mars M-O-V-E!

#Mars #InSight Data Release 2 – Watch Mars M-O-V-E!  Through a collaboration between #NASA and Incorporated Research Institutions for Seismology (#IRIS), the second release of seismic data from the Mars’ InSight mission is publicly available.  #TXESP uploaded select data using IRIS’ #jAmaSeis software, here is a sneak peak!

February 9, 2019
February 9 – 10, 2019
February 10, 2019

Building Across STEM Disciplines

Support our campaign to bring earthquake instruments to SIX schools in Houston!  CLICK HERE >>> “Seismographs in Houston Schools


At TXESP, we immerse our lesson plans and activities across multiple Science, Technology, Engineering and Mathematics disciplines.  Each teaching tool is carefully chosen for its adaptability to achieve this goal.  Science does not live in a vacuum – science is dynamic, science is evolving, and science is a feedback loop of inquiries.  Embedded within our pedagogy are the underlying principles of the NGSS.

A [NGSS] Framework for K–12 Science Education: Practices, Crosscutting Concepts, and Core Ideas (Framework) recommends science education in grades K–12 be built around three major dimensions: science and engineering practices, crosscutting concepts that unify the study of science and engineering through their common application across fields, and core ideas in the major disciplines of natural science….. The Framework identifies seven crosscutting concepts that bridge disciplinary boundaries, uniting core ideas throughout the fields of science and engineering. Their purpose is to help students deepen their understanding of the disciplinary core ideas (pp. 2 and 8) and develop a coherent and scientifically based view of the world (p. 83). The seven crosscutting concepts presented in Chapter 4 of the Framework are as follows:  patterns, scale/proportion/quantity, cause and effect, systems and models, energy and matter, structure and function, and stability / change. ”