There are a number of reasons why Lassen Peak is considered to be a risky volcano. First, it is located in a densely populated area. The city of Redding, California is located just 50 miles (80 kilometers) from Lassen Peak, and several other smaller communities are also nearby. If Lassen Peak were to erupt, it could cause widespread damage and loss of life.
Second, Lassen Peak is a very active volcano. It has erupted multiple times in the past, and scientists believe that it is likely to erupt again in the future. The last eruption of Lassen Peak occurred in 1915, and it was a relatively small eruption. However, scientists believe that the next eruption could be much larger.
Third, Lassen Peak is located in a geologically unstable area. The area around Lassen Peak is home to a number of faults and volcanoes, and it is also seismically active. This means that there is a high potential for earthquakes and other geological events that could trigger an eruption of Lassen Peak.
Scientists are closely monitoring the activity of Lassen Peak, and they are trying to predict when the next eruption will occur. However, it is impossible to predict exactly when an eruption will happen. If you are planning to visit Lassen Volcanic National Park, you should be aware of the risks associated with volcanic activity.