diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index ee0cdf6e..e2dc705d 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -18,8 +18,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [macos-12, macos-11]
-        python-version: ["3.8", "3.9", "3.10"]
+        os: [macos-12, macos-13]
+        python-version: ["3.11"]
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v3
diff --git a/.github/workflows/pypi.yml b/.github/workflows/pypi.yml
index 64d77ff4..c138f205 100644
--- a/.github/workflows/pypi.yml
+++ b/.github/workflows/pypi.yml
@@ -5,9 +5,9 @@ name: PyPI tests
 
 on:
   push:
-    branches: [ "pygmtsar" ]
+    branches: [ "-pygmtsar" ]
   pull_request:
-    branches: [ "pygmtsar" ]
+    branches: [ "-pygmtsar" ]
 
 permissions:
   contents: read
@@ -19,7 +19,7 @@ jobs:
       fail-fast: false
       matrix:
         os: ["ubuntu-latest"]
-        python-version: ["3.8", "3.9", "3.10"]
+        python-version: ["3.x"]
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v3
@@ -85,7 +85,7 @@ jobs:
       fail-fast: false
       matrix:
         os: ["ubuntu-latest"]
-        python-version:  ["3.8", "3.9", "3.10"]
+        python-version: ["3.x"]
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v3
@@ -149,7 +149,7 @@ jobs:
       fail-fast: false
       matrix:
         os: ["ubuntu-latest"]
-        python-version:  ["3.8", "3.9", "3.10"]
+        python-version: ["3.x"]
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v3
diff --git a/.github/workflows/ubuntu.yml b/.github/workflows/ubuntu.yml
index 7dbdf31b..a9913de9 100644
--- a/.github/workflows/ubuntu.yml
+++ b/.github/workflows/ubuntu.yml
@@ -18,8 +18,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: ["ubuntu-22.04", "ubuntu-20.04"]
-        python-version: ["3.8", "3.9", "3.10"]
+        os: ["ubuntu-latest"]
+        python-version: ["3.10", "3.11"]
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v3
@@ -78,3 +78,123 @@ jobs:
         name: Plots (${{ matrix.os }}, ${{ matrix.python-version }})
         path: tests/*.jpg
         if-no-files-found: error
+
+  S1A_2016_Kumamoto_Earthquake:
+
+    strategy:
+      fail-fast: false
+      matrix:
+        os: ["ubuntu-latest"]
+        python-version:  ["3.10", "3.11"]
+    runs-on: ${{ matrix.os }}
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v4
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install system dependencies
+      run: |
+        uname -a
+        # prepare system
+        sudo apt update
+        # https://github.com/gmtsar/gmtsar/wiki/GMTSAR-Wiki-Page
+        sudo apt install -y csh subversion autoconf libtiff5-dev libhdf5-dev wget
+        sudo apt install -y liblapack-dev
+        sudo apt install -y gfortran
+        sudo apt install -y g++
+        sudo apt install -y libgmt-dev
+        sudo apt install -y gmt-dcw gmt-gshhg
+        # gmt-gshhg-full should be installed automatically (it is required to use GMTSAR landmask)
+        sudo apt install -y gmt
+        # add missed package
+        sudo apt install -y make
+    - name: Compile GMTSAR
+      run: |
+        git clone --branch master https://github.com/gmtsar/gmtsar GMTSAR
+        cd GMTSAR
+        autoconf
+        ./configure --with-orbits-dir=/tmp CFLAGS='-z muldefs' LDFLAGS='-z muldefs'
+        make CFLAGS='-z muldefs' LDFLAGS='-z muldefs'
+        make install
+        # check installation
+        export PATH=$PATH:/home/runner/work/gmtsar/gmtsar/GMTSAR/bin
+        echo "Start gmtsar_sharedir.csh"
+        gmtsar_sharedir.csh
+    - name: Install PyGMTSAR
+      run: |
+        # upgrade package to resolve dependencies
+        pip3 install click --upgrade
+        pip3 install matplotlib seaborn
+        pip3 install -e ./pygmtsar/
+    - name: Run test
+      working-directory: tests
+      run: |
+        export PATH=$PATH:/home/runner/work/gmtsar/gmtsar/GMTSAR/bin
+        sh ./S1A_2016_Kumamoto_Earthquake.sh force
+    - name: Archive test results
+      uses: actions/upload-artifact@v3
+      with:
+        name: Plots S1A_2016_Kumamoto_Earthquake (${{ matrix.os }}, ${{ matrix.python-version }})
+        path: tests/*.jpg
+        if-no-files-found: error
+
+  S1AB_2021_Crete_Earthquake:
+
+    strategy:
+      fail-fast: false
+      matrix:
+        os: ["ubuntu-latest"]
+        python-version:  ["3.10", "3.11"]
+    runs-on: ${{ matrix.os }}
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v4
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install system dependencies
+      run: |
+        uname -a
+        # prepare system
+        sudo apt update
+        # https://github.com/gmtsar/gmtsar/wiki/GMTSAR-Wiki-Page
+        sudo apt install -y csh subversion autoconf libtiff5-dev libhdf5-dev wget
+        sudo apt install -y liblapack-dev
+        sudo apt install -y gfortran
+        sudo apt install -y g++
+        sudo apt install -y libgmt-dev
+        sudo apt install -y gmt-dcw gmt-gshhg
+        # gmt-gshhg-full should be installed automatically (it is required to use GMTSAR landmask)
+        sudo apt install -y gmt
+        # add missed package
+        sudo apt install -y make
+    - name: Compile GMTSAR
+      run: |
+        git clone --branch master https://github.com/gmtsar/gmtsar GMTSAR
+        cd GMTSAR
+        autoconf
+        ./configure --with-orbits-dir=/tmp CFLAGS='-z muldefs' LDFLAGS='-z muldefs'
+        make CFLAGS='-z muldefs' LDFLAGS='-z muldefs'
+        make install
+        # check installation
+        export PATH=$PATH:/home/runner/work/gmtsar/gmtsar/GMTSAR/bin
+        echo "Start gmtsar_sharedir.csh"
+        gmtsar_sharedir.csh
+    - name: Install PyGMTSAR
+      run: |
+        # upgrade package to resolve dependencies
+        pip3 install click --upgrade
+        pip3 install matplotlib seaborn
+        pip3 install -e ./pygmtsar/
+    - name: Run test
+      working-directory: tests
+      run: |
+        export PATH=$PATH:/home/runner/work/gmtsar/gmtsar/GMTSAR/bin
+        sh ./S1AB_2021_Crete_Earthquake.sh force
+    - name: Archive test results
+      uses: actions/upload-artifact@v3
+      with:
+        name: Plots S1AB_2021_Crete_Earthquake (${{ matrix.os }}, ${{ matrix.python-version }})
+        path: tests/*.jpg
+        if-no-files-found: error