... plateau. In July 1961, a swarm of 3,500 earthquakes of M L (AAE) ≥ 3.5 (maximum M = 6.6) occurred along the marginal graben of the Afar-plateau escarpment, centered on Kara Kore some 200 km northeast of Addis Ababa. Pierre was there within two days, negotiating the fractures in the Addis Ababa...

... of Africa" by Pmrre Goum, which contains a carefully researched history of earthquakes m northeastern Africa for almost 6 centuries before 1977, is an Important contribution. In large part, the book represents 30 years of observations by the author, who founded the Geological Observatory in Addis Ababa...

... earthquake occurred in 1906 (e.g. Gouin 1979 ) with an M s magnitude of 6.8 and an epicentre at Langano, only 100 km south of Addis Ababa ( Fig. 1 ). At the time, the capital was only 10 years old, without the high-rise buildings that characterize much of the present-day city, and so damage was thankfully...

...) earthquakes that make localized landslides an uncommon hazard phenomenon’. Unfortunately, it is precisely this combination of heavy seasonal rainfall ( Ayalew 1999 ), hilly, mountainous and dissected terrain ( Abebe et al. 2010 ), neotectonic activity ( Gouin 1979 ), sometimes adverse...

... Ababa in Ethiopia in the late 1950s. Helwan, Nairobi, and Addis Ababa became stations of the World-Wide Standard Seismograph System in the early 1960s. Since 1978, a network has operated in Djibouti, which now comprises 11 stations. An earthquake given by ISS in North Sudan on 1 May 1931 has been...

... Network ( iris/gsn ) station furi , maintained by the Geophysical Observatory Addis Ababa University. The Geophysical Observatory records earthquake coda length and uses the relationship M d = 1.97 log τ + 0.0008Δ − 1.28, where τ is coda length in seconds, and Δ is hypocentral distance...

... . Ethiopian Mapping Agency (EMA) ( 1979 ). Urikomam Terara (Ethiopia) & Serdo (Ethiopia) French Territory of Afar and Issas maps (Sheets ND 37-16 & NC 37-4 ) , scale 1:250,000, Addis Ababa. Galadini F. Galli P. ( 1999 ). The Holocene paleoearthquakeson the Avezzano earthquake faults...

... data processing and reservoir characterization. Mehari Ayele received an M.S. (2004) from Addis Ababa University and an M.S. (2012) from the University of Memphis. As a graduate student at Addis Ababa University, he participated in an IRIS/PASSCAL international experiment in Ethiopia...

... the Father was explaining to them some cir- cept for the suggestion of Basham et al. (1979) that the cumstance of the passion of our Lord, and speaking epicenter of this earthquake could have been "anywhere to them of the eclipse of the Sun, and of the trem- within a broad region of the lower St. Lawrence...

... and volcanic evolution of the Gregory Rift Valley Geological Background to Fossil Man 1978 29 54 Scottish Academic Press Knopoff L. Schlue J. W. Rayleigh wave phase velocities for the path Addis Ababa-Nairobi Tectonophysics 1972 15 157 63 Long R. E. Backhouse R. W...

... of Seismic Waves in the Upper Oceanic Crust 7. L. Astiz* and D. V. Helmberger: Upper-Most Mantle P-Velocity Structure Beneath the Northwest Atlantic 2670 MINUTES OF THE ANNUAL MEETING OF SSA 8. L. Hebert and C. A. Langston*: Crustal Thickness Estimate at AAE (ADDIS-ABABA, Ethiopia) and NAI (NAIROBI, Kenya...

... . Seismic Zoning in Ethiopia, Bulletin of the Geophysical Observatory , No.  14 , Addis Ababa University , Addis Ababa, Ethiopia . Gouin P. 1979 . Earthquake History of Ethiopia and Horn of Africa , IDRC, Ottawa, Ontario , 259  pp., ISBN: 0-88936-194-0 . Hagos L...

... for the second-order along-axis segmentation of oceanic rifts develops prior to continental breakup, and it is maintained by episodes of basaltic dike intrusion. Support and funding from Addis Ababa University, the Ethiopian Air Force, the Afar State Government, and SEIS-UK (the seismic node...

... C. A. (1985) . Crustal thickness estimate at AAE (Addis-Ababa, Ethiopia) and NAI (Nairobi, Kenya) using teleseismic P-wave conversions , Tectonophysics 111 , 299 - 327 . Holbrook W. S. (1990...

...-Doherty Geological Observatory of Columbia University operated the seismograph station from which the data for this study were derived. The distance from Ab~ch~ to the epicenter is about 16°. Although the records of the WWSSN stations at Nairobi, Addis Ababa and Bulawayo were available, they were not used...

... , R.C. , 1993 , Late Eocene–Recent volcanism and faulting in the southern main Ethiopian rift : Geological Society [London] Journal , 150 . 99 - 108 . EIGS , 1987 , Geothermal reconnaissance study of selected sites of the Ethiopian Rift System (Geological report) : Addis Ababa, Ethiopia...

.... & Tacconi P. ( 1979 ) - A Geological map of Ethiopia and Somalia, and comment . CNR , Firenze . Mohr P.A. ( 1962 ) - The Ethiopian Rift System . Bull. Geophys. Observ. Addis Ababa 5 , 33 – 62 . Mohr P.A. ( 1967 ) - The Ethiopian Rift System . Bull. Geophys. Observ. Addis...

...-wave and S-wave anomalies in Region Q both correspond to the station at Addis Ababa, Ethiopia, in the magmatically active rift zone of Africa, which is apparently underlain by an upper-mantle structure similar to young oceanic regions. In contrast, some of the largest negative station anomalies occur...

... analysis Lalibela is situated at approximately 350 km north of Addis Ababa, at an average altitude of 2,500 m a.s.l. ( fig. 1a ). The city, protected by peaks and deep gorges that channel the monsoon rains, is settled in a strategic position on the Ethiopian plateau along the N-S trending road...

...-2584 and NAG5-3072. During the course of the investigation S.T. also received support from a CIRES Graduate Fellowship at the University of Colorado, Boulder. The assistance of the Geology and Geophysical Department and Geophysical Observatory of Addis Ababa University and the Ethiopian Institute...