Heat oil to 350 degrees.
Cut the corn tortillas into wedges.
Fry in batches until golden and lightly crisp.
Transfer to a rack or paper towel lined tray.
Season immediately with salt.
Roughly chop the cooked shrimp into bite sized pieces.
Transfer the shrimp to a large mixing bowl.
Add tomatoes, white onion, cucumber, jalapeno, and cilantro.
Add lime juice, olive oil, salt, and garlic powder.
Mix thoroughly until evenly combined.
Cover and refrigerate for 20 to 30 minutes.
Remove from the refrigerator.
Gently fold in the diced avocado.
Taste and adjust lime juice or salt if needed.
Transfer to a serving platter or bowl.
Garnish with lime wedges.
Serve chilled with fresh tortilla chips.