The phrase "hazards occur" is grammatically correct and can be used in written English.
It is a subject-verb combination and can be used to describe situations where hazards or dangers arise. Example: "In this industry, hazards occur frequently and employees must be trained to handle them properly."
Other people are less sensitive to possible threats and pay higher costs when hazards occur.
Not all of these hazards occur in all parts of Latin America.
Dangerous serial electric arc faults on low voltage power lines must be detected before fire hazards occur.
This might not be a long time ago geologically speaking, but the rate at which natural hazards occur and the constant evolution of science meant the gallery was in desperate need of an update and redevelopment.
Potential hazards occur due to the high operating pressure in conjunction with the reactivity of the product gases and the electrolyte.
In particular safety engineering standards aim at developing "safe" systems that continue to provide their intended behaviour even when faults or hazards occur.
Similarly, hazards occurring in areas made vulnerable by poor economic development, environmental degradation, or urban planning result in greater harm than those occurring in stable areas.
Peru is a land of contrasts, with natural hazards occurring in coastal deserts, high Andean mountains, and humid Amazon lowlands.
Landslides are common natural hazards occurring in most parts of the world and have considerable adverse economic effects.
In order to assess the vulnerability of structural systems to multiple hazards occurring simultaneously, it is necessary to carry out a multi-hazard analysis of the system.
Data analysis indicates that during the period between 1902 and 2007, 465 disasters associated with natural hazards occurred in the region of interest.
