"easterly of" is a correct phrase in written English and can be used to indicate location or direction.
It is often used in describing the relative positions of two objects or places. Example: The small town of Oakville is located easterly of the bustling city center.
As the most easterly of the Caribbean islands, many ships docked first in Barbados.
Lake Ontario, smallest and most easterly of the Great Lakes of North America.
Mount Conner, Aboriginal Artilla, most easterly of central Australia's giant tors, or monoliths, which include Uluru/Ayers Rock and the Olga Rocks (Kata Tjuta), southern Northern Territory.
Trapezus, one of the most easterly of ancient Greek settlements, was probably founded in 756 bce by colonists from Sinope (modern Sinop).
To the west the Southeastern peoples merge with those of the southern Plains Indians and the most easterly of the Southwest Indians.
World leaders, along with some 6,000 veterans and Normandy residents, will come together this afternoon at Sword beach, the most easterly of the D-day beaches, for an international ceremony of remembrance.
Through a geotechnical back-analysis, this work highlights the failure phenomena, which may have led to the current configuration of the easterly side of the Latomiae del Paradiso.
In the central Apennines, since Miocene time, contraction to the east and backarc extension to the west have eastward migrated as a result of the easterly retreat of the westerly-directed subduction.
The enhancement of the easterly phases of all oscillations is followed by the strong westerly phases in 2002.
Gurubaran and Rajaram (2001) inferred the possible role of interaction between the gravity waves and diurnal tide to alter the strength of the easterly phase of the MSAO.
In Figure 6c we find a concurrence of strong easterly peak of QBO with large QTDW kinetic energy in the late 2001.
