Infrasound and seismic detections associated with the 7 September 2015 Bangkok fireball

Caudron, Corentin; Taisne, Benoit; Perttu, Anna; Garces, Milton; Silber, Elizabeth A.; Mialle, Pierrick

doi:10.1186/s40562-016-0058-z

Title: Infrasound and seismic detections associated with the 7 September 2015 Bangkok fireball

Journal Article · Mon Aug 22 00:00:00 EDT 2016 · Geoscience Letters

DOI:https://doi.org/10.1186/s40562-016-0058-z· OSTI ID:1367147

^[1]; Taisne, Benoit ^[2]; Perttu, Anna ^[1]; Garces, Milton ^[3]; Silber, Elizabeth A. ^[4]; Mialle, Pierrick ^[5]

Earth Observatory of Singapore (Singapore)
Earth Observatory of Singapore (Singapore); Nanyang Technological Univ. (Singapore)
Univ. of Hawaii, Manoa, Honolulu, HI (United States)
Univ. of Western Ontario, London, ON (Canada)
Preparatory Commission for the Comprehensive Nuclear Test-Ban Organization, Vienna (Austria)

A bright fireball was reported at 01:43:35 UTC on September 7, 2015 at a height of ~30 km above 14.5°N, 98.9°E near Bangkok, Thailand. It had a TNT yield equivalent of 3.9 kilotons (kt), making it the largest fireball detected in South–East Asia since the ~50 kt 2009 Sumatra bolide. Infrasonic signals were observed at four infrasound arrays that are part of the International Monitoring System (IMS) and one infrasound array located in Singapore. Acoustic bearings and event origin times inferred from array processing are consistent with the eyewitness accounts. A seismic signal associated with this event was also likely recorded at station SRDT, in Thailand. As a result, an acoustic energy equivalent of 1.15 ± 0.24 kt is derived from the Singaporean acoustic data using the period of the peak energy.

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Research Organization:: Univ. of Michigan, Ann Arbor, MI (United States)

Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA), Office of Nonproliferation and Verification Research and Development (NA-22)

Grant/Contract Number:: NA0002534

OSTI ID:: 1367147

Journal Information:: Geoscience Letters, Vol. 3, Issue 1; ISSN 2196-4092

Publisher:: Springer - Asia Oceania Geosciences Society (AOGS)Copyright Statement

Country of Publication:: United States

Language:: English

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