"able to occur" is a correct and usable phrase in written English.
It means something has the ability or potential to happen or take place. Example: The software update has been delayed as the technicians are still working on resolving the technical issues, but it is able to occur tomorrow.
Banking crises seem able to occur in just about any banking environment.
In addition, sedimentary gravity flows are able to occur without major external triggers39.
Infection was able to occur because these plants were left outdoors sometimes when humidity was high.
H. W. said that such lapses were able to occur because of staff members' inattentiveness and apathy.
Into the pure nothingness of my non-knowledge something sublime (an event?) beyond (beneath?) consciousness was able to occur.
"The purpose of the inquiry is to determine how the misconduct of live-baiting was able to occur without earlier detection and how widespread these practices are".
By stepping outside of the cities that hold violent memories and confrontations for many people of color, healing was able to occur.
Observations and NLFFF extrapolation give the upper estimate of the energy of flares, which are able to occur in a given large active region.
Furthermore, the homolytic and heterolytic pathways may be able to occur simultaneously on Pt(1 1 1) based on our DFT calculations.
Although the charge separation was able to occur at high efficiency, energy conversion efficiency is not high because of low light absorption coefficient of the solar cells.
The panel concluded that his actions -- or lack of action -- before the shootings and while they were happening were the overriding reason the shootings were able to occur, and for the magnitude of the carnage once they began.
