SummaryLocation and Magnitude contributed by: USGS National Earthquake Information CenterGeneral + - 200 km 100 mi Powered by Leaflet 36.915°N, 5.633°E Depth: 10.0km (6.2mi) Event Time 2014-03-25 00:12:47 UTC 2014-03-25 01:12:47 UTC+01:00 at epicenter 2014-03-25 01:12:47 UTC+01:00 system time Location 36.915°N 5.633°E depth=10.0km (6.2mi) Nearby Cities 15km (9mi) NW of Jijel, Algeria 47km (29mi) N of BABOR - VILLE, Algeria 52km (32mi) ENE of Bejaia, Algeria 62km (39mi) NW of Rouached, Algeria 231km (144mi) E of Algiers, Algeria Related Links Additional earthquake information for Algeria View location in Google Maps Tectonic Summary Seismotectonics of the Mediterranean Region and Vicinity The Mediterranean region is seismically active due to the northward convergence (4-10 mm/yr) of the African plate with respect to the Eurasian plate along a complex plate boundary. This convergence began approximately 50 Ma and was associated with the closure of the Tethys Sea. The modern day remnant of the Tethys Sea is the Mediterranean Sea. The highest rates of seismicity in the Mediterranean region are found along the Hellenic subduction zone of southern Greece, along the North Anatolian Fault Zone of western Turkey and the Calabrian subduction zone of southern Italy. Local high rates of convergence at the Hellenic subduction zone (35mm/yr) are associated with back-arc spreading throughout Greece and western Turkey above the subducting Mediterranean oceanic crust. Crustal normal faulting throughout this region is a manifestation of extensional tectonics associated with the back-arc spreading. The region of the Marmara Sea is a transition zone between this extensional regime, to the west, and the strike-slip regime of the North Anatolian Fault Zone, to the east. The North Anatolian Fault accommodates much of the right-lateral horizontal motion (23-24 mm/yr) between the Anatolian micro-plate and Eurasian plate as the Anatolian micro-plate is being pushed westward to further accommodate closure of the Mediterranean basin caused by the collision of the African and Arabian plates in southeastern Turkey. Subduction of the Mediterranean Sea floor beneath the Tyrrhenian Sea at the Calabrian subduction zone causes a significant zone of seismicity around Sicily and southern Italy. Active volcanoes are located above intermediate depth earthquakes in the Cyclades of the Aegean Sea and in southern Italy. In the Mediterranean region there is a written record, several centuries long, documenting pre-instrumental seismicity (pre-20th century). Earthquakes have historically caused widespread damage across central and southern Greece, Cyprus, Sicily, Crete, the Nile Delta, Northern Libya, the Atlas Mountains of North Africa and the Iberian Peninsula. The 1903 M8.2 Kythera earthquake and the 1926 M7.8 Rhodes earthquakes are the largest instrumentally recorded Mediterranean earthquakes, both of which are associated with subduction zone tectonics. Between 1939 and 1999 a series of devastating M7+ strike-slip earthquakes propagated westward along the North Anatolian Fault Zone, beginning with the 1939 M7.8 Erzincan earthquake on the eastern end of the North Anatolian Fault system. The 1999 M7.6 Izmit earthquake, located on the westward end of the fault, struck one of Turkeys most densely populated and industrialized urban areas killing, more than 17,000 people. Although seismicity rates are comparatively low along the northern margin of the African continent, large destructive earthquakes have been recorded and reported from Morocco in the western Mediterranean, to the Dead Sea in the eastern Mediterranean. The 1980 M7.3 El Asnam earthquake was one of Africas largest and most destructive earthquakes within the 20th century. Large earthquakes throughout the Mediterranean region have also been known to produce significant and damaging tsunamis. One of the more prominent historical earthquakes within the region is the Lisbon earthquake of November 1, 1755, whose magnitude has been estimated from non-instrumental data to be about 8.0. The 1755 Lisbon earthquake is thought to have occurred within or near the Azores-Gibraltar transform fault, which defines the boundary between the African and Eurasian plates off the west coast of Morocco and Portugal. The earthquake is notable for both a large death toll of approximately 60,000 people and for generating a tsunami that swept up the Portuguese coast inundating coastal villages and Lisbon. An earthquake of approximately M8.0 near Sicily in 1693 generated a large tsunami wave that destroyed numerous towns along Sicilys east coast. The M7.2 December 28, 1908 Messina earthquake is the deadliest documented European earthquake. The combination of severe ground shaking and a local tsunami caused an estimated 60,000 to 120,000 fatalities. Did You Feel It? Tell Us!Contributed by USGS National Earthquake Information CenterTell Us! Did you feel this earthquake? Tell Us! Intensity MapsIntensity MapGraphsIntensity vs. Distance Responses vs. TimeResponsesResponse Data (256)Scientific Background on the Did You Feel It? ProcessScientificLocation and Magnitude contributed by: USGS National Earthquake Information CenterSummary Preferred Location Parameters Parameter Value Uncertainty Magnitude 4.1 mb ± 0.30 Location 36.915°N, 5.633°E Not Specified Depth 10.0 km ± 1.5 km Number of Stations Used Not Specified Number of Phases Used 38 Minimum Distance 358.7 km (3.22°) Travel Time Residual 1.30 sec Azimuthal Gap 79° Review Status MANUAL Event ID usc000np9b See the “Contributed Solutions” for a list of all contributed location parameters. Contributed Solutions Technical Terms used on Event Pages DownloadsAll Downloads Product Title Links ID cap (US) CAP Alert XML (4 KB) usc000np9b dyfi (US) DYFI City Map JPG (160 KB) PDF (84 KB) PS (176 KB) HTML (223 B) usc000np9b dyfi (US) Intensity vs. Distance Plot JPG (46 KB) PS (43 KB) usc000np9b dyfi (US) Responses vs. Time Plot JPG (41 KB) PS (33 KB) usc000np9b dyfi (US) Intensity Summary TXT (172 B) XML (256 B) usc000np9b origin (US) Earthquake XML (Quakeml) XML (3 KB) usc000np9b phase-data (US) Earthquake XML (Quakeml) XML (59 KB) usc000np9b The use of EQXML formatted data is temporary. This data will be changing to QuakeML v1.2RC3 format. Data Contributors USGS National Earthquake Information Center Summary Did You Feel It? Tell Us! Intensity Maps Graphs Responses Scientific Summary Contributed Solutions Downloads Share this page: Facebook Twitter Google Email EARTHQUAKES Latest Earthquakes Real-time Feeds & Notifications Did You Feel It? Significant EQ Archive Search EQ Archives “Top 10” Lists & Maps Info by Region US Seismicity Map World Seismicity Maps HAZARDS Faults Hazard Maps & Data Seismic Design Hazard Analysis Tools EQ Scenarios DATA & PRODUCTS Data Products LEARN EQ Topics for Education FAQ EQ Glossary For Kids Google Earth/KML Files EQ Summary Posters Photos Publications MONITORING NEIC ANSS – United States GSN – World Volunteer Monitoring ASL – Albuquerque Network Operations Seismogram Displays Buildings NSMP – Strong Motion Crustal Deformation RESEARCH Projects Science Centers DYFI? PAGER ShakeMap Early Warning External Support Accessibility FOIA Privacy Policies and Notices In partnership with nehrp Take Pride in AmericaUSA.gov U.S. Department of the Interior | U.S. Geological Survey Page URL: earthquake.usgs.gov/earthquakes/eventpage/usc000np9b Page Contact Information: Contact Us Page Last Modified: March 25, 2014 01:18:08 UTC Offsite Link DOI and USGS link policies apply. 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Posted on: Tue, 25 Mar 2014 01:46:57 +0000
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