Software for Centerless Circular Array (CCA) method using ambient noise (microtremor) measured with bi-dimensionally deployed seismograph array..

Note: The author of these programs does not take any responsibility: neither for the results of analyses by using these programs nor for the consequences of them. Any disadvantage including economic one, mental one etc. should be owed by the users themselves. Namely, users must use these programs under their own resposibility.
The author does not put any restriction on the way of usage except the prohibition of commercial one. Namely, their lelvel of completeness is not sufficiently high for commercial use. The renewal and bug fix may be conducted intermittently but not priodically. Revised version of the programs will be uploaded without any announcement. It may be recommendable for users to visit this URL frequently and check the date of revision. The author will not answer to any inquery except those who have taken personal contact to him previously. The bug report, however, is welcome.
The programs are compiled and linked by gfortran on Ubuntu. It may be necessary to compile them newly for the usage on other OS and/or other Fortran compiler.

Make a new folder under \user_account, copy CCA2021_Ubuntu_open4public.tar.gz in it, and unzip-untar it there. All executable files and parameter files will be at the correct folders. The folder "cca_wkf" is the working space where you can copy input data files and obtain output files. The way of usage is described in the pdf file stored in the subfolder "doc".

Software with documents