udpdate Notebook after Alice comments and update figures

Author: fabian-kutschera

quakeworx/earthquake-tsunami/figures/Figure01.png

@@ -7,11 +7,11 @@
    "source": [
     "Contact: fkutschera@ucsd.edu\n",
     "\n",
-    "In this example, we will use down-scaled versions of \"The Tsunami Problem Version\" TTVP1 & TTPV2 and explore a so-called fully coupled, 3D earthquake-tsunami simulation to learn more about the underlying dynamics which govern tsunami generation.\n",
+    "In this example, we will use smaller versions of **\"The Tsunami Problem Version\" TTVP1 & TTPV2** and explore a so-called fully coupled, 3D earthquake-tsunami simulation to learn more about the underlying dynamics which govern tsunami generation (https://doi.org/10.5281/zenodo.15389414). The two joint **CRESCENT & SCEC/USGS** benchmark problems TTPV1 and TTPV2 extend the SCEC/USGS dynamic rupture benchmark “The Problem Version 36” (TPV36, https://strike.scec.org/cvws/download/TPV36_37_Description_v12.pdf; last access February 9, 2026), a 3D shallowly dipping thrust faulting dynamic rupture problem, which includes **surface rupture**.\n",
     "\n",
     "# 3D fully coupled earthquake dynamic rupture and tsunami benchmarks\n",
     "\n",
-    "The two joint CRESCENT & SCEC/USGS benchmark problems TTPV1 and TTPV2 extend the SCEC/USGS dynamic rupture benchmark “The Problem Version 36” (TPV36, https://strike.scec.org/cvws/download/TPV36_37_Description_v12.pdf; last access May 12, 2025), a 3D shallowly dipping thrust faulting dynamic rupture problem, which includes **surface rupture**. “The Tsunami Problem Version 1” (TTPV1) and “The Tsunami Problem Version 2” (TTPV2) use the **same fault geometry, nucleation mechanism, governing friction law, material properties, and initial stress conditions**. The **differences are an added water layer** for both tsunami problem versions with different bathymetric complexity to model fully coupled earthquake and tsunami generation dynamics. Both simulations also include acoustic wave propagation within the ocean.\n",
+    "“The Tsunami Problem Version 1” (TTPV1) and “The Tsunami Problem Version 2” (TTPV2) use the **same fault geometry, nucleation mechanism, governing friction law, material properties, and initial stress conditions** than TPV36. The **differences are an added water layer** for both tsunami problem versions with different bathymetric complexity to model fully coupled earthquake and tsunami generation dynamics. Both simulations also include acoustic wave propagation within the ocean.\n",
     "\n",
     "The full description of the fully coupled earthquake-tsunami benchmarks can be found here: https://doi.org/10.5281/zenodo.15389414\n",
     "\n",
@@ -27,8 +27,7 @@
     "- [Exercises (optional)](#Exercises-(optional))\n",
     "  - [Task 1](#Task-1)\n",
     "  - [Task 2](#Task-2)\n",
-    "  - [Task 3](#Task-3)\n",
-    "  - [Task 4](#Task-4)\n"
+    "  - [Task 3](#Task-3)\n"
    ]
   },
   {
@@ -516,13 +515,9 @@
     "\n",
     "#### Task 2\n",
     "\n",
-    "Change the numerical fluxes used and observe how the solution changes at the seafloor. Which combination of fluxes returns the least amount of artifacts at the trench for TTPV2?\n",
-    "\n",
-    "#### Task 3\n",
-    "\n",
     "Read the [benchmark description](https://doi.org/10.5281/zenodo.15389414) and place synthetic receivers on and off the fault. Compare results between TTPV1 and TTPV2.\n",
     "\n",
-    "#### Task 4 \n",
+    "#### Task 3 \n",
     "\n",
     "Now that you are familiar with the output of the fully coupled earthquake-tsunami benchmark scenarios, we encourage you to look at different results on the CRESCENT Code Verification Platform (https://det.cascadiaquakes.org) and compare against these higher resolution benchmark results. We also invite you to create an account and upload your own benchmark results (https://det-uploader.cascadiaquakes.org) for comparison. Note: the upload will only work if all metadata according to the benchmark description have been properly added."
    ]