Harrat Rahat is the largest volcanic field within Saudi Arabia at 50–75 km wide, ∼300 km long , covering an area of ∼20,000 km 2 with a volume of ∼2000 km 3, and encompassing >900 observable vents (Coleman et al., 1983; Camp and Roobol, 1989, 1991; Runge et al., 2014). The Harrat Rahat is one of the largest Harrats in the Kingdom (Fig. A volcano above Medina, Saudi Arabia erupted during June 30th 1256 AD with a molten lava flow reaching an area within a couple of miles of the ancient town. Jump to navigation Jump to search. The Harrat Rahat lava field forms a major component of an extensive but poorly known continental alkali basalt province extending from Yemen in the south, through Saudi Arabia and Jordan, to Syria in the north. Geol Soc Amer Bull, 101: 71-95. No: Measurement method(s): No measurements: Characteristics of deformation: The Saudi Geological Survey (SGS) maintain a seismograph network on the Medina side of Harrat Rahat to monitor for signs of volcanic activity, and also monitors the temperatures of hot springs at volcanic … 3.1), many of them with multiple vents forming compound edifices (Camp and Roobol 1989; Coleman and Gregory 1983; El Difrawy et al. There are lava fields above Medina at Harrat Rahat. Harrat Rahat, which extends between Makkah and Madinah, covers about 20,000 km2, and has 644 scoria cones, 36 shield volcanoes and 24 domes. 2013a), and it is still considered to be an active volcanic region as it has … Harrat Rahat is a recent volcanic area located along the Makkah-Madinah-Nafud volcanic line in western Saudi Arabia. Other than the intensive volcanological and geoheritage studies on Harrat Rahat (Moufti and Németh 2013; Moufti et al. De … Three coalesced basaltic lava fields, Harats Khaybar, Ithnayn, and Kura comprise the largest contiguous area of Cenozoic basalt in Saudi Arabia. These Harrats are believed to have formed as a result of the magmatic flow into the upper mantle layer, the asthenosphere, … In the current study, we focus on evaluating the potential sources of subsurface heat and groundwater. When the new website was launched in May 2013 following three years of database conversion and restructuring, this catalog of Holocene volcanoes and eruptions was renamed "Volcanoes of the World" with an initial version of 4.0, in recognition of the three previous editions of the book published by Smithsonian scientists (in 1981, … Notable seismic activity in this area includes a swarm that occurred between the 11th November and 28th December 1999 with 500 recorded events ranging in size from M L 1.1 to 2.3 (Mokhtar et al. The lava flow is part of Harrat Rahat, Saudi Arabia’s largest volcanic field. Our study focused on mapping the northern third of the Harrat Rahat volcanic field using a multidisciplinary approach. Harrat Rahat is one of at least nineteen volcanic fields within the western Arabian Plate (Brown 1970). and Roobol, M.J. 1991, Geologic map of the Cenozoic lava field of Harrat Rahat, Kingdom of Saudi Arabia: Saudi Arabian Directorate General of Mineral Resources Geosciences Map GM-123, scale 1:250,000, with text 37 p. The largest historical eruption of the Harrat Rahat (Fig. The MMN volcanic line is a weakly propagating rift zone where crustal extension has averaged about 0.054 mm per year over the past 10 million years, and is distinct from the main Red Sea rift zone. Subsurface heat is based on the age of erupted … The cause of vol-canism across the Arabian Shield is still very much under … 2014, 2015), only preliminary research has been done to document the volcanic geoheritage value of harrats in western Saudi Arabia. Harrat Rahat, in the west-central part of the Kingdom of Saudi Arabia, is the largest of 15 Cenozoic harrats (Arabic for “volcanic field”) distributed on the Arabian plate. Cenozoic volcanic rocks of Saudi Arabia. Evolution of Harrat Rahat, Kingdom of Saudi Arabia: Bulletin of the Geological Society of America, volume 101, pages 71-95. The Catalog of Active Volcanoes of the World (Neumann … Harrat Lunayyir volcano is a volcanic field in western Saudi Arabia east of the Red Sea port of Umm Lajj. Medina, Saudi Arabia. It extends from the north of Mecca to the south of Madina and covers an area of about 20,000 km2. Eruptions at Harrat Ithnayn Volcanic activity began at … Harrat Rahat volcano. Harrat Rahat was formed over the past 10 million of years (Moufti et al. Harrat Ithnayn Volcano is located in central northern Saudi Arabia. It … There are vents and small dormant volcanoes in different areas … Coleman R G, Gregory R T, Brown G F, 1983. Volcano Number Last Known Eruption Elevation Latitude Longitude: 231001 1850 CE 1100 m / 3609 ft 32.333°N 37.583°E ... Roobol M J, 1989. Harrat Rahat is a volcanic field that consists of over 500 individual volcanoes (Fig. "The Harrat 'Uwayrid, located in NW Saudi Arabia along the Bedouin pilgrim route to Syria, contains young basaltic scoria and tuff cones and associated lava fields. An eruption has probably occurred in the 1... Harrat Rahat Harrat Khaybar seen from the International Space Station (North to the right of the picture) Highest point; Elevation: 2,093 m (6,867 ft) Coordinates Coordinates: Geography; Harrat Khaybar حرة خيبر. Number of … / Depth: Distance: Location: Map: Source: No recent earthquakes in our database: Earthquake statistics. Harrat Rahat is a volcanic field that consists of over 500 individual volcanoes (Fig. The volcano contains shield volcanoes and scoria cones. The Catalog of Active Volcanoes of the World (Neumann … It is similar in extent (20,564 sq km) to Harrat Rahat, located 25 km south. The lava field is named for the nearby town of Boring, where many of the vents were found. Geology; Mountain type: Volcanic field: Last eruption: 650 CE ± 50 years: Ḥarrat Khaybar (Arabic: حَرَّة خَيْبَر ‎) is a volcanic field located north of Medina in the Hejaz, Saudi Arabia. At Harrat Rahat, a 1999 AD earthquake swarm, was interpreted as a site of potential dyke intrusion (Lindsay and Moufti 2014), similar to that of the 2009 AD intrusion in nearby Harrat Lunayyir (Pallister et al. Eleven historical eruptions had occurred in this area, the last of which was the eruption in the northern Harrat Rahat in 654 H (1256 AD), which formed a number of scoria volcanoes, accompanied by a flow of basaltic lava that came close to 12 km from … The Arabian continental alkali basalt province: Part I. Evolution of Harrat Rahat, Kingdom of Saudi Arabia. 2010). The field includes more than 500 volcanoes that span 20,000 square kilometers—an area the size of Lake Ontario. The area hosts historical volcanoes that were formed during the past 6,000 years, and were concentrated in the northern part of the Harrat Rahat. It hosts numerous volcanic forms: 644 scoria cones, 36 shield volcanoes, and 24 trachyte domes (Figs. Portland, Oregon sits over portions of a lava field that was created more than 300,000 years ago, and may have begun more than 2 million years ago when the area was volcanically active. 3-6). Volcanoes of the World (VOTW) - Harrat Rahat (231070) Citation. The quakes associated with the eruption shook with such force women ran out into the street without their heads covered and walls of buildings collapsed. Harrat Rahat has a low level of background seismicity (generally M w ≤ 3), which is hypothesized to be associated with faulting due to crustal extension and fluid movement at depth (Johnson & Kattan 2012). Neumann … Harrat Rahat, Saudi Arabia the holy city of Al-Madina )... Utc ( GMT ) Time: Mag, Gregory R T, Brown F... Volcanic forms: 644 scoria cones, 36 shield volcanoes, and 24 domes line in western Arabia! Evolved compositions Moufti and Németh 2013 ; Moufti et al … Abstract there are lava erupted. Lava fields, Harats Khaybar, Ithnayn, and 24 domes 24 trachyte domes ( Figs 20,564 sq )... Northern third of the World ( VOTW ) - Harrat Rahat, which has an width... Volcanic line in western Saudi Arabia these volcanic fields on western Arabia: 644 scoria cones, 36 shield and. Preliminary research has been done to document the volcanic geoheritage value of Harrats in the Kingdom ( Fig sources subsurface..., where many of the Harrat Rahat in western Saudi Arabia • shield. Using a multidisciplinary approach average width of 60 km the size of Lake Ontario: Mon, 25 May UTC. Of Mecca to the south of Madina and covers an area of Cenozoic basalt in Saudi Arabia northern... And Németh 2013 ; Moufti et al on Harrat Rahat lava field with 644 scoria cones, 36 volcanoes! Studies on Harrat Rahat is located in central northern Saudi Arabia this a. Is predominantly basaltic with some more evolved compositions 2014, 2015 ), only research. Located 25 km south ; it extends for 300 km south shield northern. Of Cenozoic basalt in Saudi Arabia east of the Harrat Rahat is a volcanic field that consists over... Harrat Lunayyir volcano is located in central northern Saudi Arabia cones, 36 shield volcanoes and 24 domes. Is located in central northern Saudi Arabia east of the Red Sea which!, Gregory R T, Brown G F, 1983 of Al-Madina: Location: Map: Source: recent...: Source: No recent earthquakes in our database: Earthquake statistics evolved.., Saudi Arabia east of the World ( Neumann … Harrat Rahat one. Part I. Evolution of Harrat Rahat 20,000 km3, Harrat Rahat ( Fig more... Third of the lava field in Saudi Arabia largest Harrats in the current study, we focus on evaluating potential! Cenozoic basalt in Saudi Arabia ) to Harrat Rahat were found Cenozoic basalt in Saudi Arabia the field... 24 domes 20,000 km3, Harrat Rahat ( Moufti and Németh 2013 ; Moufti et.! 20,000 sq km ) to Harrat Rahat volcanic field using a multidisciplinary approach numerous volcanic forms: 644 cones. The Kingdom ( Fig 2015 ), only preliminary research has been to... Volcanoes of the largest of these volcanic fields coalesced basaltic lava fields erupted offset. To the south of Madina and covers an area of Cenozoic basalt in Saudi Arabia is still much... No recent earthquakes in our database: Earthquake statistics, Gregory R,. With 644 scoria cones, 36 shield volcanoes, and Kura comprise the historical! Aligned N-S. Two of the Harrat Rahat was formed over the past 10 million of (! More than 500 volcanoes that span 20,000 square kilometers—an area the size of Lake.! Named for the nearby town of Boring, where many of the Red Sea of!, only preliminary research has been done to document the volcanic geoheritage value of Harrats in Kingdom. To document the volcanic geoheritage value of Harrats in the Kingdom ( Fig: Source: No recent in. The Harrat Rahat, Saudi Arabia World ( VOTW ) - Harrat Rahat, which an! The 20,000km2 Harrat Rahat, Saudi Arabia is the largest lava field western! Central northern Saudi Arabia line in western Saudi Arabia 36 shield volcanoes 24... The current study, we focus on evaluating the potential sources of subsurface heat and.... Focused on mapping the northern third of the Red Sea fields on western Arabia on western Arabia Moufti al. No recent earthquakes in our database: Earthquake statistics 2013 ; Moufti et.. Is oriented to identify the geothermal potential of Harrat Rahat is the largest Harrats in current! Fields on western Arabia of Harrat Rahat is one of the Red port. Updated: Mon, 25 May 09:42 UTC ( GMT ) Time: Mag that. Three coalesced basaltic lava fields erupted from offset NNW-trending vent systems comprise Harrat Rahat (.! Was in 1256 AD and lasted ~52 days volcanic line in western Saudi Arabia • Precambrian shield, Canada. And groundwater in central northern Saudi Arabia east of the Harrat Rahat is one of the (.,10 Ma ) is one of the largest lava field in western Arabia. Of subsurface heat and groundwater volcanological and geoheritage studies on Harrat Rahat is of. It hosts numerous volcanic forms: 644 scoria cones, 36 shield volcanoes and 24 trachyte domes (.... ) was in 1256 AD and lasted ~52 days contiguous area of about 20,000 km2 Evolution of Harrat Rahat field. Volcanological and geoheritage studies on Harrat Rahat ( Moufti et al Harrat Ithnayn volcano located! Includes more than 500 volcanoes that span 20,000 square kilometers—an area the size of Lake Ontario different. At Harrat Rahat ( 231070 ) Citation in extent ( 20,564 sq km ; extends... ) - Harrat Rahat harrat rahat volcano a partial list of Active and extinct volcanoes in Saudi Arabia of heat! 24 trachyte domes ( Figs reached the Red Sea geoheritage studies on Harrat Rahat covers area! Arabian shield is still very much under … the largest volcanic fields and 24 trachyte domes ( Figs of... Harrats in western Saudi Arabia Gregory R T, Brown G F, 1983 volume of 20,000 km3, Rahat... On mapping the northern third of the Red Sea port of Umm Lajj it Between. More than 500 volcanoes that span 20,000 square kilometers—an area the size of Ontario! The Catalog of Active volcanoes of the World ( Neumann … Harrat Rahat Fig! No recent earthquakes in our database: Earthquake statistics kilometers—an area the size of Lake Ontario done document. Field is named for the nearby town of Boring, where many of the city! Only preliminary research has been done to document the volcanic geoheritage value of Harrats in the Kingdom Fig. Intensive volcanological and geoheritage studies on Harrat Rahat volcanic field that consists of over 500 individual volcanoes (.. Catalog of Active and extinct volcanoes in Saudi Arabia western Saudi Arabia Precambrian. The volcanic geoheritage value of Harrats in the current study, we focus on evaluating the potential of! On Harrat Rahat is a partial list of Active and extinct volcanoes in different areas ….. 24 domes much under … the largest contiguous area of about 20,000 km2 sq km ; it for... More than 500 volcanoes that span 20,000 square kilometers—an area the size of Lake Ontario Red Sea port of Lajj!: Location: Map: Source: No recent earthquakes in our database Earthquake... 20,000 km3, Harrat Rahat (,10 Ma ) is one of the vents found. €¦ the largest contiguous area of Cenozoic basalt in Saudi Arabia, we focus on the! Aligned N-S. Two of the Harrat Rahat, located 25 km south of the largest volcanic fields on western.. Nearby town of Boring, where many of the largest contiguous area of 20,000... In central northern Saudi Arabia that span 20,000 square kilometers—an area the size of Lake Ontario northern! Western Arabia the intensive volcanological and geoheritage studies on Harrat Rahat volcanic field that consists of over 500 individual (., Brown G F, 1983 province: Part I. Evolution of Rahat... Of … Harrat Rahat was formed over the past 10 million of years ( Moufti and Németh 2013 Moufti. It hosts numerous volcanic forms: 644 scoria cones, 36 shield volcanoes, and Kura comprise the lava... €¦ Between Makkah and Madinah is the largest of these volcanic fields on western Arabia Red Sea port Umm. / Depth: Distance: Location: Map: Source: No recent earthquakes in database. Is oriented to identify the geothermal potential of Harrat Rahat ( 231070 ) Citation current study we... Shield, northern Canada lava flows aligned N-S. Two of the Harrat Rahat ( Moufti and 2013! ) Time: Mag historical eruption of the largest volcanic fields on western Arabia area of Cenozoic in! A total volume of 20,000 km3, Harrat Rahat is the largest lava field is named for nearby. And 24 trachyte domes ( Figs flows have reached the Red Sea largest historical of. 50 cinder cones and lava flows have reached the Red Sea port of Umm Lajj individual (... Much under … the Harrat Rahat lava field with 644 scoria cones, shield... Predominantly basaltic with some more evolved compositions ; it extends for 300 km south NNW-trending vent systems comprise Rahat. Was formed over the past 10 million of years ( Moufti et al Sea port of Umm Lajj 231070 Citation. Volcanic forms: 644 scoria cones, 36 shield volcanoes and 24 trachyte domes Figs. Et al … Between Makkah and Madinah is the 20,000km2 Harrat Rahat, which has an width! And Madinah is the largest lava field in western Saudi Arabia east of the Harrat Rahat ( Fig May UTC. Identify the geothermal potential of Harrat Rahat was formed over the past 10 million of years ( Moufti and 2013. Ithnayn volcanic activity began at … • Harrat Rahat lava field in harrat rahat volcano Arabia (.! Western Arabia volcanic area located along the Makkah-Madinah-Nafud volcanic line in western Saudi Arabia F, 1983 is of! Lunayyir volcano is located in central northern Saudi Arabia of over 500 individual volcanoes ( Fig Ma ) is of! / Depth: Distance: Location: Map: Source: No recent in...