The phrase "appeared in the vicinity" is correct and usable in written English.
It can be used to describe the presence or occurrence of something or someone in a nearby area.
Example: "Several unusual lights appeared in the vicinity of the old lighthouse last night."
Alternatives: "showed up nearby" or "was seen in the area."
Both theta1 and theta2 frequency increased with running speed; however, theta2 only appeared in the vicinity of the predator odor, in the Intermediate zone (Fig. 9a c).
There was a transition strain above which a complex cell/subgrain substructure with high misorientation angle appeared in the vicinity of prior austenite grain boundaries.
For the last type, the Flory-Huggins % parameters were obtained from the experimental swelling degrees, from which it was suggested that an inflection point in the curve of swelling degree versus solvent composition appeared in the vicinity of the θ state.
These results indicate that regenerating trees of F. hodginsii and A. spectabilis often appeared in the vicinity of large conspecifics in the core zone.
Sudden TEC depletions following small impulsive TEC enhancements around 05:54 UT, about seven minutes after the earthquake onset, appeared in the vicinity of the ionospheric epicenter.
Short-period oscillations appeared in the vicinity of the epicenter after 06:00 UT and continued for 3 hours or more.
Significant atomic misfits appear in the vicinity of the inter-plate interfaces and in the film normal direction.
Holes sharply changes the stress state and reduces the strength evidently due to the high shear stresses appearing in the vicinity of the hole.
When the heat duty is given, the local heat conductance, local temperature difference, local effectiveness and local entransy dissipation number have extremums, which appear in the vicinity of the heat capacity rate ratio is one.
Nevertheless, during intense rainfall events, some pipe sections may flow under pressurised conditions, so that a complex interaction between pipe networks and groundwater flows appears in the vicinity of these sections.
For the cases of individual double-layered inhomogeneity embedded at different locations, the maximum equivalent plastic strain in the matrix appears in the vicinity of the double-layered inhomogeneity, wherever is the closest to the location of the theoretical maximum elastic stress from the homogeneous solution.
