2004 Al Hoceima earthquake

2004 Al Hoceima earthquake

Agadir Tangier
UTC time	2004-02-24 02:27:46
ISC event	7254476
USGS-ANSS	ComCat
Local date	24 February 2004 (2004-02-24)
Local time	02:27
Magnitude	6.3 Mw[1]
Depth	12.2 km (7.6 mi) [1]
Epicenter	35°14′N 4°01′W / 35.23°N 4.02°W / 35.23; -4.02Coordinates: 35°14′N 4°01′W / 35.23°N 4.02°W / 35.23; -4.02 [1]
Type	Strike-slip[2]
Areas affected	Morocco
Max. intensity	IX (Violent) [2]
Peak acceleration	0.24 g [2]
Casualties	628–631 dead [3] 926 injured [3] 12,539–15,000 displaced [3]

The 2004 Al Hoceima earthquake occurred on 24 February at 02:27:47 local time near the coast of northern Morocco. The strike-slip earthquake measured 6.3 on the moment magnitude scale and had a maximum perceived intensity of IX (Violent) on the Mercalli intensity scale. Between 628 and 631 people were killed, 926 were injured, and up to 15,000 people were made homeless in the Al Hoceima-- area.

Earthquake[]

The moment tensor and pattern of surface cracks indicate left-lateral strike-slip faulting on a buried NE-SW trending fault.

This earthquake occurred near the epicenter of the magnitude 6.0 Al Hoceima earthquake of May 26, 1994, that injured one person and caused significant damage to adobe buildings.^[4]

Damage[]

Ground cracks and landslides were observed between Ajdir and Beni Abdallah and maximum peak ground acceleration of 0.24g was recorded near Imzourene.

Aftershocks[]

Several aftershocks killed at least three people and destroyed previously weakened buildings. This earthquake occurred near the eastern end of the Rif mountain belt, which is part of the diffuse boundary between the African and Eurasian plates.

See also[]

• List of earthquakes in 2004
• List of earthquakes in Morocco
• 1960 Agadir earthquake
• 2003 Boumerdès earthquake

References[]

Further reading[]

• Akoglu, A. M.; Cakir, Z.; Meghraoui, M.; Belabbes, S.; El Alami, S. O.; Ergintav, S.; Akyüz, H. Serdar (2006), "The 1994–2004 Al Hoceima (Morocco) earthquake sequence: Conjugate fault ruptures deduced from InSAR" (PDF), Earth and Planetary Science Letters, 252 (3–4): 467–480, Bibcode:2006E&PSL.252..467A, doi:10.1016/j.epsl.2006.10.010
• Cakir, Z.; Meghraoui, M.; Akoglu, A. M.; Jabour, N.; Belabbes, S.; Ait-Brahim, L. (2006), "Surface Deformation Associated with the Mw 6.4, 24 February 2004 Al Hoceima, Morocco, Earthquake Deduced from InSAR: Implications for the Active Tectonics along North Africa", Bulletin of the Seismological Society of America, 96 (1): 59–68, Bibcode:2006BuSSA..96...59C, doi:10.1785/0120050108
• Stich, D.; de Lis Mancilla, F.; Baumont, D.; Morales, J. (2005), "Source analysis of the Mw 6.3 2004 Al Hoceima earthquake (Morocco) using regional apparent source time functions" (PDF), Journal of Geophysical Research, 110 (B06306): 1–13, Bibcode:2005JGRB..110.6306S, doi:10.1029/2004jb003366, archived from the original (PDF) on 2013-10-29, retrieved 2013-10-28
• Telesca, L.; Rouai, M.; Cherkaoui, T. E. (2009), "Time-clustering behavior in the sequence of the aftershocks of the Al-Hoceima (Morocco) 24 February 2004 earthquake", Natural Hazards and Earth System Sciences, 9 (6): 2063–2066, doi:10.5194/nhess-9-2063-2009

External links[]

• M6.4 Al Hoceima, Morocco Earthquake of 24 February 2004 – USGS
• Buried Strike Slip Faults: The 1994 and 2004 Al Hoceima, Morocco Earthquakes
• Moroccan Seismic Network: Overview – IRIS Consortium
• The seismic design code for buildings: A priority for seismic risk reduction in Morocco
• Preliminary Observations on the Al Hoceima, Morocco, Earthquake of February 24, 2004 – EERI
• Al-Hoceima earthquake 24 02 2004 – Patrick Murphy Corella
• Earthquake Mw 6.5 in Morocco, February 24th, 2004 – EMSC
• The International Seismological Centre has a bibliography and/or authoritative data for this event.
• ReliefWeb's main page for this event.