A configuration with several linear subarrays for the joint estimation of the apparent velocity & direction of propagation of a seismic wave

In this paper we propose a processing method with several linear subarrays for the joint estimation of the apparent velocity and the direction of propagation of a seismic wave. This method estimates the parallel velocities along the directions of the considered linear subarrays, followed by a geometrical based procedure to compute the apparent velocity and the direction of propagation of the wave. Examples, using synthetic as well as field data, are presented to verify the suggested method. The proposed method can be used to determine the properties and sources of the microseism and microtremor signals acquired by seismic array data.