An oxbow lake starts out as a curve, or meander, in a river. A lake forms as the river finds a different, shorter, course. The meander becomes an oxbow lake along the side of the river. Oxbow lakes usually form in flat, low-lying plains close to where the river empties into another body of water.
The solar max is a period when the activities of the sun gets started for a period of 11 years which is cyclic in nature and occurrence of the solar flares and suns radiance increase also there an increase in the sunspots and it affects the weather patterns on earth and also can lead to magnetic fields interaction on earth.
Predicting where an earthquake epicenter will occur is easier because are patterns to look at due to the fact that they always occur near plate boundaries. Predicting when they will occur is difficult because they do not follow any certain pattern.