The notorious area around the Pacific Plate associated with considerable tectonic activity is called the Ring of Fire.

Here's why:

* Location: The Ring of Fire is a horseshoe-shaped area encircling the Pacific Ocean. It's about 40,000 kilometers (25,000 miles) long.

* Tectonic Activity: This area is characterized by intense volcanic activity and frequent earthquakes. It's where several tectonic plates meet, creating a volatile zone of collisions and subduction.

* Volcanoes: The Ring of Fire is home to 75% of the world's active volcanoes, including some of the most famous, like Mount Fuji in Japan and Mount Vesuvius in Italy.

* Earthquakes: The Ring of Fire experiences a large percentage of the world's earthquakes, including some of the most powerful and destructive.

So, the Ring of Fire is a region of incredible geological activity that plays a significant role in shaping the Earth's landscape.