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Disasters damaged economies and markets. Many studies inquired how calamities affected household risk perception and home value to understand the hazards' influences on expected utility. A remaining challenge is identifying equalizing difference, a necessary spatial equilibrium condition, keeping households indifferent among properties with different disaster risks. We fill this gap, analyzing a quasi‐natural experiment with two events: the 2014 Kaohsiung Gas Explosions and subsequent disclosure of underground petrochemical pipelines. A spatial model with prospective reference theory predicts home‐value changes after each event for areas with different risks and distinguishes the equalizing difference from price changes induced by risk adjustments. Difference‐in‐differences (DD) analyses uncover an equalizing difference worth 2.6% home value compensating for households' exposure to the petrochemical hazard, besides risk‐adjustment price changes concerned by existing DD studies. The equalizing difference shrank with distance to hazard and time. Also, the neighborhood struck by the disaster has regained energy, a finding with implications for urban resilience. [ABSTRACT FROM AUTHOR]

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To investigate factors associated with quality of life (QoL) and disaster-related psychiatric disorders, including posttraumatic stress disorder (PTSD) and major depressive episode (MDE), in the survivors of a gas explosion in Taiwan 5 years after the event. A community-based cross-sectional study of residents from an area that experienced a gas explosion was conducted 5 years after the event. The Short Form 12v2 (SF-12v2) was used to screen 2511 participants. The Disaster-Related Psychological Screening Test (DRPST) was used to assess probable MDE and PTSD. A total of 2511 participants, including 604 males and 1907 females, completed the QoL survey. The average age was 56.02 ± 16.78 years, and most participants were in the ≧65 age group (39.7%). The males had better QoL in the physical dimensions. Lifestyle was significantly positively associated with QoL. A total of 894 participants completed the DRPST, which showed some individuals with probable MDE (n = 93, 10.4%), probable PTSD (n = 22, 2.5%), or probable MDE and PTSD (n = 49, 5.5%); most people had no MDE or PTSD (n = 730, 81.7%). Those in the probable PTSD or MDE groups were significantly more likely to be female or to be experiencing stressors (p < 0.001). The participants continued to be affected by the disaster based on their QoL, even 5 years later. Females had a higher risk of probable psychiatric disorders and poorer QoL in the physical dimensions. Long-term follow-up, interventions and investigations after a disaster are needed. [ABSTRACT FROM AUTHOR]

Objective: To investigate the prevalence and related risk factors for probable disaster-related psychiatric disorders, such as major depressive episodes (MDEs) and posttraumatic stress disorder (PTSD), among the victims of a petrochemical gas explosion in Kaohsiung, Taiwan, 6 months after the event. Additionally, the quality of life (QOL) of victims with related risk factors was simultaneously investigated.Methods: A community-based screening survey with cross-sectional assessments was conducted. The victims of a petrochemical gas explosion were surveyed 6 months after the event. We used two scales, the Disaster-Related Psychological Screening Test and Short Form 12v2, to survey a representative sample of 502 participants (average age: 42.90 ± 16.61 years; M: 270, average age: 40.89 ± 16.40 years; F: 232; average age: 45.25 ± 16.58 years). The Chinese version of SPSS 17.0 software was used to perform the analysis.Results: Non-PTSD or non-MDE (non-P or M), probable PTSD, probable MDE and probable PTSD, and MDE were present in 341 (67.9%), 54 (10.8%), 37 (7.4%) and 70 (13.9%) participants, respectively. QOL worsened (negative trend) among the groups in the following order: non-P or M, probable PTSD or MDE alone, and probable PTSD and MDE. The risk factors for probable PTSD or MDE were female gender, older age, physical injury, significant financial loss, and lack of religious belief. The risk factors for poorer QOL subscales were older age, financial problems, physical injury, higher educational level, religious beliefs, and probable PTSD and/or MDE.Conclusion: This study shows that probable PTSD/MDE is associated with lower QOL, supporting the need for early mental health rehabilitation after a disaster. Therefore, rapid screening and early mental rehabilitation are very important. [ABSTRACT FROM AUTHOR]

Infectious disease outbreaks often occur in the aftermath of catastrophic events, either natural or man-made. While natural disasters such as typhoons/hurricanes, flooding and earthquakes have been known to increase the risk of infectious disease outbreak, the impact of anthropogenic disasters is less well-understood. Kaohsiung City is located in southern Taiwan, where most dengue outbreaks had occurred in the past two decades. It is also the center of petrochemical industry in Taiwan with pipelines running underneath city streets. Multiple underground gas explosions occurred in Kaohsiung in the evening of July 31, 2014 due to chemical leaks in the pipelines. The explosions caused 32 deaths, including five firefighters and two volunteer firefighters, and injured 321 persons. Historically, dengue outbreaks in southern Taiwan occurred mostly in small numbers of around 2000 cases or less, except in 2002 with over 5000 cases. However, in the months after the gas explosions, the city reported 14528 lab-confirmed dengue cases from August to December. To investigate the possible impact, if any, of the gas explosions on this record-breaking dengue outbreak, a simple mathematical model, the Richards model, is utilized to study the temporal patterns of the spread of dengue in the districts of Kaohsiung in the proximity of the explosion sites and to pinpoint the waves of infections that had occurred in each district in the aftermath of the gas explosions. The reproduction number of each wave in each district is also computed. In the aftermath of the gas explosions, early waves occurred 4–5 days (which coincides with the minimum of human intrinsic incubation period for dengue) later in districts with multiple waves. The gas explosions likely impacted the timing of the waves, but their impact on the magnitude of the 2014 outbreak remains unclear. The modeling suggests the need for public health surveillance and preparedness in the aftermath of future disasters. [ABSTRACT FROM AUTHOR]

Kaohsiung gas explosion caused serious fatalities, making this the largest petrochemical catastrophe in Taiwan's history. It raises a concern how we can make better /best decision to reduce the fatalities and property loss in such little time. Through the literature, little research has been done in evaluating the decision making. The paper mainly focuses on what are the key response factors in terms of action plan. This paper adopted Delphi method in order to gain the wisdoms of experts so as to formulate the important decision-making factors. Firstly, the Delphi method was conducted to gain consensus of experts out of three categories. Through the back and forth procedure, we modified the factors based on the opinion of experts. Secondly, after confirming the 13 factors, questionnaire issued to the experts to gain their individual's values. Finally, after analyzing the questionnaire, the result shows that ‘Jet water to disperse the gas’ is the top priority. [ABSTRACT FROM AUTHOR]