Forensic Seismology and the ROKS Cheonan Sinking: Investigating an Underwater Explosion

Introduction

The sinking of the ROKS Cheonan in the Yellow Sea has been a topic of extensive investigation. Using forensic seismology, researchers have analyzed the event to determine whether an underwater explosion was responsible for the incident. This study employs spectral and cepstral analysis to examine bubble pulses, reverberation effects, and hydroacoustic waves.

For more groundbreaking research, visit International Journal of Physics Research and Applications.

Key Findings

• Seismological Evidence: The analysis of time-domain and frequency-domain data confirms the presence of bubble pulses and reverberation effects, indicating an underwater explosion.
• Explosion Depth and Charge Weight: The estimated explosion occurred at a depth of ~8 meters, with a charge equivalent to 136 kg TNT.
• Comparative Analysis: The study contrasts the Cheonan event with documented underwater explosions, such as Russian nuclear tests and US Navy shock trials, further validating the explosion hypothesis.

Scientific Implications

The American Geophysical Union (AGU) emphasizes the significance of forensic seismology in investigating underwater disturbances. Accurate seismic readings help distinguish between natural seismic events and human-made explosions, providing clarity in complex cases.

Read the full study at https://doi.org/10.29328/journal.ijpra.1001054.

Related Research

• Hydroacoustic Analysis: Understanding how shock waves propagate in underwater environments.
• Forensic Applications: How seismic data is used in criminal and military investigations.

Explore more studies at International Journal of Physics Research and Applications.

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