Heat oil in a large pot and add the onion, garlic and celery. Cook until soft and onions are translucent. Then add in crushed red pepper flakes.
Stir in the tomato paste and and cook for 1 minute while stirring. Add in parsley and thyme and potatoes and carrots.
Pour in clam juice and bring to a boil.
Lower the heat and cover, simmer until potatoes are tender, about 10 minutes.
Stir in tomatos and clams, cover and simmer for about 1o minutes.
Salt and pepper to taste and enjoy!