1 On average, a baseboard heater can cost $40 to $200 per unit up to 6 feet measure at 120 or more volts. 2  Some rooms may require more than one heater. 3  Typical baseboard heaters come in 120, 240, 500 and 1,000 volts. 4  Most measure at 4 or 6 feet. 5  A 120 volt heater will cost $40 to $120. Some rooms may require more than one heater. 2  Typical baseboard heaters come in 120, 240, 500 and 1,000 volts. 3  Most measure at 4 or 6 feet. 4  A 120 volt heater will cost $40 to $120.
Most Active Volcanos in the USA. Alaska Augustine Volcano Augustine volcano is one of the most active volcanoes in Cook Inlet, having a symmetrical cone rising 1,254 meters above the sea level. This volcano has erupted in 1812, 1883, 1935, 1963-64, 1976 and 1986, and surprisingly, the intervals between these eruptions have reduced from 70 to 10 years.
Most active volcanoes are strung like beads along, or near, the margins of the continents, and more than half en circle the Pacific Ocean as a Ring of Fire. Many volcanoes are in and around the Mediterranean Sea. Mount Etna in Sicily is the largest and hiqhest of these mountains. Italy's Vesuvius is the only active volcano on the European mainland.