Infrasound Technology Workshop 2024 (ITW2024)

Session

Poster

P

Nov 5, 2024, 3:00 PM

M2 (VIC)

107. The Importance Placement of Infrasound Sensor In Indonesia (Monitoring of Potential Tsunami Non Tectonic)

11/5/24, 3:00 PM

Poster session

poster

Indonesia is considered one of the zones prone to earthquakes and tsunamis due to its position in the boundary of 3 major tectonic plates, Indian-Australian, Eurasian, and Pacific. Currently, Indonesia has about 1,568 locations for seismic monitoring instruments, and it is supported by several tsunami monitoring. The instruments consist of 511 seismographs, 669 accelerographs, 400 intensity...

117. Leveraging infrasound detected by stations of the IMS network for estimating the characteristics of shock waves generated by large bolides

11/5/24, 3:10 PM

Poster session

poster

Theoretical models suggest that the infrasound signatures of bolides carry valuable information about their source, potentially revealing characteristics such as type and altitude of the shock. To fully exploit infrasound for characterizing bolides, it is imperative to have ground truth and accurate atmospheric conditions. However, dynamic atmospheric changes occurring over minutes to hours...

128. Analysis and identification of meteor signals detected by the IMS infrasound stations in South America

11/5/24, 3:20 PM

Poster session

poster

Celestial objects from space have long aroused curiosity and fear worldwide. According to NASA, scientists estimate that approximately 48.5 tons of meteoric material fall to Earth daily, penetrating the atmosphere at supersonic speeds, far exceeding the speed of sound. These outer space objects, which can be fragments of comets and asteroids, are referred to as meteoroids. The infrasound...

140. Relationships Between Thunderstorms and Lightning Activity in Florida.

11/5/24, 3:30 PM

Poster session

poster

The U.S. state of Florida has a warm subtropical climate with mild winters and long, hot and humid summers that are characterized by intense thunderstorm activity. As a result, Florida is considered one of the most lightning prone regions in the U.S.A, with an annual average lightning flash density of around 35 flashes/km2/yr. In this study we use the infrasound data from the IRIS Data...

145. Infrasound Monitoring of volcanic activity Etna Volcano using IMS data in July 2024

11/5/24, 3:40 PM

Poster session

poster

Etna Volcano increased its activity in July 2024, and this was monitored by the International Monitoring System (IMS) infrasound network. At NDC Iraq, we will present an analysis of data from Etna Volcano in Italy, using the IMS stations I48TN, I26DE, I42PT, and I11CV. This analysis will utilize the NDC-in-a-box tools and will focus on the events of July 2024. We used International Data Centre...

147. Low Frequency Acoustic Signals Detection of a Mine Explosive Blast Occurrence in Bogoso, Ghana

11/5/24, 3:50 PM

Poster session

poster

An explosion occurred on 20 January 2022 in a suburb of Bogoso, in the Western part of Ghana. The blast was as a result of a collision between a truck transporting mine explosive materials with a motorcycle. The incident produced a major explosion in the surrounding areas which was observed by many residence and destroyed lives and property devastating the township. As a result, the blast...

148. Observed Infrasonic Signals of Auroral Electro Arcs Detections at I37NO Station in 2020

11/5/24, 4:00 PM

Poster session

poster

In the polar latitudes regions, both the Northern and Southern Hemispheres of the Earth, one of the natural phenomena observed periodically is the occurrence of auroral displays in the sky. Low frequency signals are generated with the production of the auroral electrojet arcs in the atmosphere which are sensitive to microbarometer sensors of the infrasound array network when the wind direction...

151. Use of IMS Infrasound Stations for Earthquake Detection: Case Study of the February 6, 2023, Türkiye Earthquake.

11/5/24, 4:10 PM

Poster session

poster

On February 6, 2023, a devastating earthquake occurred in a transcontinental area located between Europe and Asia, east of Nurdagi, in the Turkish province of Gaziantep, at an estimated depth of 24.1 kilometers. This earthquake caused damage to approximately 170,000 buildings. It is one of the largest earthquakes recorded in the region in over 100 years, with a magnitude of 7.8 Mw, resulting...

160. Infrasound monitoring in Kenya: Potential applications for Scientific and Civil application

11/5/24, 4:20 PM

Poster session

poster

Kenya is host to infrasound Station IS32 in Kenya. Infrasonic waves can be used for various purposes which include mining, control of deforestation, documentation of climate change issues such as heavy rains, high temperatures, and even human-wildlife conflict issues. This presentation gives results of the use of infrasound technology for these varied applications.

162. Identifying infrasound sources using nearby and co-located infrasound and seismic sensors

11/5/24, 4:30 PM

Poster session

poster

An eight-station seismic network and a four-element infrasound array detected an uncategorized seismo-acoustic event in Sete Lagoas, a city in southeastern Brazil. The area contains quarries that frequently conduct unannounced explosions to extract limestone. The network and array were deployed to distinguish signals from these explosions and natural events, as tectonic activity occurs both...

110. Enhancing the detection capabilities of the Brasília Infrasound Station (IS09) for local and regional events

11/5/24, 4:40 PM

Poster session

poster

The detection capability of infrasound stations with four-element arrays is limited by spatial aliasing for higher frequencies, causing erroneous frequency identification and signal distortion when sensor spacing is too large. The Brasília Infrasound Station (IS09) of the International Monitoring System, operated by the University of Brasília's Seismological Observatory, exemplifies this issue...

115. Improvement project for the infrasound station I17CI (Cote d’Ivoire) detections: increase from 4 to 8 sensors

11/5/24, 4:50 PM

Poster session

poster

In CTBTO monitoring system (IMS), Côte d'Ivoire benefits from two (2) primary stations: seismic (PS15) and infrasound (I17CI) respectively for monitoring underground and airborne nuclear tests. Upgrading the infrasound station I17CI from 4 to 8 sensors is part of the CTBTO's medium-term objectives, which include upgrading the world's other infrasound stations. Thus, this research project is...

111. Micrometeorological and anthropogenic effects on acoustic background noise levels

11/6/24, 3:00 PM

Poster session

poster

Acoustic networks often record background noise from both natural and man-made sources. Most of the time, wind and anthropogenic noise are higher during the day. A permanent acoustic network at the Nevada National Security Site (NNSS) captured background noise from a variety of sources over several months. These stations were deployed on canyon bottoms, hillsides, and mesas, each of which...

124. Deployment of a portable low-cost infrasound array on Terceira Island, Azores, Portugal

11/6/24, 3:10 PM

Poster session

poster

Two seismo-volcanic crises are ongoing on the Azores. A volcanic unrest on a fissural system begun on March 19, 2022, on a São Jorge Island. On June 24 seismicity increased in Santa Bárbara central volcano, on Terceira Island, followed by ground deformation. A portable four-element infrasound array (SJ1) was deployed on São Jorge Island in collaboration with the University of Florence....

142. Seismoacoustic Signals from Quarry Blasts at Eastern Helwan, 2022.

11/6/24, 3:20 PM

Poster session

poster

Although Seismometers are usually used for monitoring such these quarry blasts, a part of the explosion energy emits on atmosphere and make a clear remark for these surface explosions. A temporary infrasound array station with small aperture of 150 meter, was deployed in Helwan since May 2022. The array consisted of five infrasound sensors and one collocated seismometer.

In this study we...

168. Design and assembly of a low-cost experimental infrasound array for seismo-volcanic monitoring

11/6/24, 3:30 PM

Poster session

poster

A seismo-volcanic crisis on Terceira Island led us to design and build a mobile low-cost experimental array, based on our previous experience of a successful collaborative deployment of an infrasound array from the University of Florence (UNIFI) on São Jorge Island, in April 2022.
We present the details of the design, the hardware and the assembly of a 6-element low-cost experimental array,...

176. Designs and performances of Wind Noise Reduction Systems and Vault Solutions for infrasound stations

11/6/24, 3:40 PM

Poster session

poster

Enviroearth has been manufacturing standardized Wind Noise Reduction System (WNRS) and vault solutions which are able meet all requirements and configuration for each of the infrasound stations topology of the IMS Network, thanks to continuous improvements to their designs and development of new features. This poster aims to present the wide range of WNRS and vaults Enviroearth can propose,...

180. Developing a Reliable Infrasound Early Warning System for Indonesia: Integrating Scattering Methods and Seismic Data

11/6/24, 3:50 PM

Poster session

poster

Indonesia, particularly prone to natural disasters like volcanic eruptions, tsunamis, landslide and earthquakes, requires a reliable early warning system.

This study introduces a new approach to develop an Infrasound Early Warning System (IEWS) for Indonesia by utilizing the scattering method and highlighting the essential need to have operational infrasound stations in Indonesia.

In...

113. Deploying a Portable Infrasound Station in Jordan: Enhancing SHI Monitoring and Preparedness

11/6/24, 4:00 PM

Poster session

poster

The Dead Sea Transform Fault (DSTF) have historically produced seismic events, positioning Jordan as a crucial location for monitoring infrasound waves generated by both natural phenomena, Man-Made activities, including mining quarries.
This poster examines the feasibility and strategic importance of deploying a portable infrasound station in Jordan. The proposed station aims to augment the...

114. Infrasound sources in Jordan and Deploying Portable Infrasound Station

11/6/24, 4:10 PM

Poster session

poster

In my presentation, I will show the sources of infrasound waves in Jordan. Many of earthquakes are recorded at Dead Sea transform fault .These earthquakes are considered main source of Infra- sound waves. The second source of infrasound waves is Phosphate mines which are located in the southeast part of Jordan. The other sources may be the explosions of WAR in Middle East. In addition,...

120. Enhanced NDC-NG Capability for Nuclear Explosion Monitoring

11/6/24, 4:20 PM

Poster session

poster

The Nigerian NDC has struggled with a lack of qualified personnel and inadequate training, especially in data analysis. However, better utilization of IMS data and to support complementary nuclear explosion monitoring has resulted from increased capacity building. This study aims to analyze SHI data to ascertain the events recorded between 2000 and 2024. The seismic, infrasound, and...

139. IMS INFRASOUND STATION 132KE,MONITORING,PERFORMANCE AND DETECTION IMPROVEMENT

11/6/24, 4:30 PM

Poster session

poster

The infrasound station I32KE installed in 2002 at Karura in Kenya, was composed of seven array elements equipped with 18-meter wind noise reducing system (WRNS). Each WRNS is supported by four rosettes of twenty-four inlet ports combined with galvanized pipes, brass summing manifolds and resonance suppressors. Despite high data availability, this system experienced data quality problems...

144. Repeatedly detected ambient noise at I30JP

11/6/24, 4:40 PM

Poster session

poster

In ITW2022, the Romanian NDC analyzed data at the Romanian infrasound stations by DTK-GPMCC software and presented results of coherent infrasound noise. Their found that signals from artificial sources such as refineries and power plants, as well as natural sources such as microbaroms, were regularly detected. They plotted the detected signals by color-coding the trace velocity, with the...

149. Python Processing of an Infrasound mSeed File

11/6/24, 4:50 PM

Poster session

poster

Infrasound is known as very low frequencies that humans cannot hear but can be picked up or retrieved by sensors. It can be used to detect and verify different processes and phenomena that may be going on in the environment. This work focuses on creating data processing methods using Python to evaluate mSeed files from commercial off the shelf systems, such as the Raspberry Shake & Boom. This...

181. A new method for regional infrasound events auto-association and scanner

Poster session

poster

This paper proposes an automatic correlation and scanning method for regional infrasound events. The correlation rules of infrasound networks in different regions and the effective monitoring areas of specific infrasound networks are determined. The multi-features including signal amplitude, frequency, correlation coefficient ，travel time and signal azimuth interval of different infrasound...