Proximity means close to you. For example A few yards. Its proximity to the sun in its passage near that body.
Answer:
Use sunrise and sunset for approximate directions.
Face the sunrise and you are facing east; north will be on your left and south will be on your right. Face the sunset and you are facing west; north will be on your right and south will be on your left.
According to the Wikipedia, more than 75% of the worlds most active volcanoes occur on the Ring of Fire.
About 81% - 90% of the words largest earthquakes also occur on the Ring of Fire.