The last eruption in the field was the Sunset Crater cinder cone, some 940 years ago; there will be more eruptions in the SF Volcanic Field in the future. But for the most recent local volcano, travel north to the 4,200-foot Mount Konocti near Clear Lake. Bay Nature’s email newsletter delivers local nature stories, hikes, and events to your inbox each week. During its approximately 6-million-year history, this field has produced more than 600 volcanoes, and almost all of the hills and mountains between Flagstaff and the Grand Canyon are representative of the San Francisco Volcanic Field. Map Legend. the San Francisco, Springerville, and Uinkaret volcanic fields of the Colorado Plateau and the Sentinel, San Bernardino, San Carlos, and Pinacate volcanic fields of the Basin and Range Province. 888-422-9628 (510) 528-8550, Subscription Customer Service: Konocti (Pomo for “Mountain Woman”) is in the Clear Lake volcanic field, which has been active for at least 2 million years. Clear Lake volcanic field lies in the northern Coast Ranges, California, ca. Yup, the San Francisco Peaks are an extinct stratovolcano which last erupted some 200,000 years ago. The last eruption in the field was the Sunset Crater cinder cone, some 940 years ago; there will be more eruptions in the SF Volcanic Field in the future. Sunset Crater is the youngest known eruption in the San Francisco volcanic field. Despite the extinct volcanoes, Arizona is actually home to a prominent volcanic field that is still active! The volcanic field is also the site of some of the USA's most recent volcanic activity, the formation of Sunset Crater cinder cone around AD 1100. Stay tuned! Volcanic field: San Francisco volcanic field: Last eruption: 1075 ± 25 years: Climbing; Easiest route: Hike: U.S. National Monument. Tornado Index, #1341 Shortly after the eruption of Sunset Crater, the surroundings to the north were inhabited by Ancient Pueblo People 3 because the resulting volcanic ash produced a fertile ground for agriculture. The San Francisco Volcanic Field lies not near the city of the same name but in northern Arizona. The next eruption, if one occurs, is likely to be somewhere to the east of Sunset Crater. Berkeley, CA 94710 Volcano news & updates: World-wide volcanic activity reports, updated almost daily. The San Francisco Volcanic Field is a 4,700 square kilometers (1,800 square miles) area in the southern boundary of the Colorado Plateau. The volcano index value is calculated based on the currently known volcanoes using USA.com algorithms. This is an attribute of many of the volcanoes of the SFVF. Please help us keep this unique regional magazine thriving, and support the ecosystem we’ve built around it, by subscribing today. This field, covering an area of ~5000 km2, extends eastward in an irregular belt from near Williams, Arizona, to the Little Colorado River just east of Flagstaff. The view from Social Science: How people will think and behave during an extended crisis with large uncertainties. Covering 1,800 square miles (roughly 4,700 square kilometers), the volcanic field consists of volcanoes and lava flows, including SP Crater. The Sunset Crater is the youngest of these scoria cones, and was active about 1000 years ago. The San Francisco Volcanic Field lies on the southern margin of the Colorado Plateau near its boundary with the Basin and Range Province (Figure 1). Lava and other volcanic material appear purple, and the cinder cone field is tinged with green, as vegetation begins to colonize the newly laid landscape. It ceased erupting just 10,000 years ago—a geologic blink of an eye. The field contains more than 600 scoria cones active in the past six million years. Much of the field lies within Coconino and Kaibab National Forests. The magma here fuels the largest geothermal energy production field in the United States—the Geysers Complex, in northeastern Sonoma County. You can easily visit the 10-million-year-old Sibley Volcano (see Voice of the Volcano, April-June 2005) in the hills above Oakland. 28 Self NRC Scenario for an eruption in the San Francisco Peaks or similar volcanic field: Effects on northern Arizona and beyond O 29 Thompson Columbia U. Eruption Styles in the San Francisco Volcanic Field . Much of the field lies within Coconino and Kaibab National Forests. It is named for its brilliantly colored scoria deposits on the cone and only one of more than 550 vents of the vast San Francisco volcanic field. Since then, much of the mountain has been removed to create the “Inner Basin.” The missing material may have been removed quickly and explosively by an eruption similar to the 1980 eruption of Mount St. Helens, Washington, or it may … The San Francisco Mountain volcano near Flagstaff Arizona, some 0.5 Ma younger, is probably a good analog for the appearance of Mount Taylor as late as 0.5 to 1 million years ago. The San Francisco Volcanic Field is a 4,700 square kilometers (1,800 square miles) area in the southern boundary of the Colorado Plateau. Sunset Crater in northern Arizona is one of the youngest volcanoes in the USA. Why can’t we climb the volcano? Santorini 1600 BC. This is in line with the general southwestward movement of the North American Plate as it slides west over lithospheric zone that spawn eruptions. Bill Wade is a geologist and a 12-year member of Flagstaff’s USFS/NPS Interpretive Partnership. Header illustrations by Jane Kim, InkDwell, Bay Nature Institute 1328 6th St., #2 But for the most recent local volcano, travel north to the 4,200-foot Mount Konocti near Clear Lake. SP Crater is one of the youngest cinder cones within the SFVF; the youngest is Sunset Crater, which erupted in 1085 AD The most recent volcanic eruption in Arizona occurred at Sunset Crater near Flagstaffbetweenthegrowing seasonsof1064and1065A.D. The San Francisco volcanic field is a vast area covering more than 10,000 km22 containing cinder cones, lava fields, lava domes and the majestic (extinct) San Francisco Peaks, the highest of all mountains in Arizona, rising 5,000 feet above the surrounding plateau. Every story from Bay Nature magazine is the product of a team of people dedicated to connecting our readers to the world around them and increasing environmental literacy. And college geology classes often visit the Nicasio Dam in West Marin to see pillow basalt lava that erupted deep in the Pacific over 100 million years ago. Bay Nature connects the people of the San Francisco Bay Area to our natural world and motivates people to solve problems with nature in mind. San Francisco Volcanic Field volcano ) - - - - | Quakes (show) all >M3 >M4 >M5 >M6 M7+ / past 24h - past 48h - past week - past 2 weeks / Archive. It erupted only about 1,000 years ago, when the ancestors to the Pueblo lived in the area. Most of the volcanoes are basalt cinder cones, but there are also large lava domes consisting of rhyolite and dacite. San Francisco Mountain San Francisco Mountain is a stratovolcano in the San Francisco Volcanic Field and was built by eruptions between about 1 million and 93,000 years ago. The most recent eruption, Sunset Crater, occurred approximately 900 years ago and was characterized by a NE-SW trending fissure that produced effusive lava flows, fumaroles and volcanic gasses (Smiley, 1958; Alfano, 2013). The former two reside on the Colorado Plateau of northern Arizona; the Pinacate field is situated on the Arizona-Mexico frontier about 40 miles south-southwest of Ajo, Arizona. The San Juan Mountains are the largest erosional remnant of a composite volcanic field that covered much of the southern Rocky Mountains in middle Tertiary time. Explosive eruptions: Magma is ripped into pieces as it rises through the volcano, and then erupts onto the surface in lava fragments called pyroclasts. The San Francisco volcanic field is a vast area covering more than 10,000 km22 containing cinder cones, lava fields, lava domes and the majestic (extinct) San Francisco Peaks, the highest of all mountains in Arizona, rising 5,000 feet above the surrounding plateau. The volcanic field consists of lava dome complexes, cinder cones, and maars of basaltic-to-rhyolitic composition. Volcano Number Last Known Eruption Elevation Latitude Longitude: 329020 1075 CE 3850 … Forest life zones in the region range from Piñon-Juniper at lower elevations through Ponde-rosa Pine to Fir and Bristlecone Pine at the high-est elevations. Konocti (Pomo for “Mountain Woman”) is in the Clear Lake volcanic field, which has been active for at least 2 million years. The three youngest fields are the San Francisco, Uinkaret, and Pinacate volcanic fields. Sign up today. polygenetic volcanic field, cinder cones, stratovolcano 2770 m / 9,088 ft Arizona, Canada and USA (mainland), 35.4°N / -111.75°W Eruption-Liste: ca. Mount Konocti, a dacitic lava dome on the south shore of Clear Lake, is the largest volcanic feature. San Francisco volcanic field: | | ||| | USGS |Digital elevation model| of the San Francis... World Heritage Encyclopedia, the aggregation of the largest online encyclopedias available, and the most definitive collection ever assembled. The San Francisco Volcanic Field covers 1,800 square mile in northern Arizona with volcanoes that are up to 6 million years old. Media in category "San Francisco volcanic field" The following 72 files are in this category, out of 72 total. It is an indicator of the possibility of a region being affected by a possible volcano eruption. Our expert volcanologists and photographers offer unique travel experiences: polygenetic volcanic field, cinder cones, stratovolcano 2770 m / 9,088 ft, Colors of Iceland: Fire, Earth, Ice and Water, San Francisco Volcanic Field volcano eruptions. Erupts, and lava flows of the same name but in northern Arizona is actually home to a prominent field! Basaltic cinder cones, but there are also large lava domes consisting of rhyolite and dacite spawn... 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