Lefkada Island Greece 2003 (CAR)

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Event ID
200308140514
Event name
Lefkada Island
Country
Greece
Region in the country
Ionian Sea Islands
World region
Europe
Epicentral coordinates (long/lat)
POINT(20.62 38.94)
WKT GIS format
GEMECD contributing partner
CAR
Event narrative

In the morning of August 14, 2003 (8:15 A.M. local time), an 6.3 Mw earthquake occurred offshore the NW coast of Lefkada Island in the Ionian Sea, Western Greece. It's focus was located at 38.94°N, 20.62°E with depth 11 Km.

The earthquake caused significant damage on Lefkada and was strongly felt in the islands of Kephalonia, Zakynthos, Ithaki and in a large area on the mainland of NW Greece.

No life losses occurred but around 55 people were injured incl. some tourists caught in a landslide on the island's western shores.

The intensities were assessed for each of the 39 districts on the island and ranged from V to VIII+ on the EMS-98 scale.

Date of occurrence (UTC)
2003-08-14
date
Time of occurrence (UTC)
05:14:00
time
Date of occurrence (local)
2003-08-14
date
Time of occurrence (local)
08:14:00
time
Day of the week (local)
Thursday
Magnitude
6.3
Magnitude units
Moment (Mw)
Focal depth
11
km
Seismological data: source
USGS
Seismological data: comment

ShakeMap Atlas

Overall impact

The most seriously damaged areas were the districts along side the Kefalonia transform fault (e.g. Lefkada town, Agios Nikitas, Kalamisti, Dragano, Komolio etc.).

Out of a total of 15,635 buildings on the island, only one reinforced concrete building with soft storey collapsed partially, while 0.8% of the buildings (mostly old stone masonry) were seriously damaged and would in most cases be demolished. An additional 13% of the island's buildings sustained some structural damage. An Elementary School building had to be abandoned and relocated to temporary school structures until its fate was to be determined. Moderate damage was also reported in the Preveza area on the mainland.

The main shock also created various secondary hazards and consequences. A large number of ground fissures caused minor damage to roads, open recreational spaces, tourist facilities, and light construction. Soil liquefaction was observed with serious consequences for port and marine structures (docks, seawalls, and breakwaters) in the north, east, and south parts of the island, namely at the town of Lefkada and at Lygia, Nydri, and Vasiliki villages. Lastly, landslides and rockfalls were triggered mainly at the central and northern part of the island, causing minor problems to the road network, burying 4 cars that were at the time empty and trapping some tourists.

In the USGS EXPO-CAT database it is estimated that during this earthquake 35,000 people were exposed to intensity VII or greater, of which 88% were in rural areas.

Overview data
Loss: Human Casualty
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People injured
50
number
People injured: source
Karababa, F. S. and Pomonis, A. (2011). Damage data analysis and vulnerability estimation following the August 14, 2003 Lefkada Island, Greece, Earthquake. Bulletin of Earthquake Engineering 9:4, 1015-1046.

People seriously injured
4
number
People seriously injured: source
Karababa, F. S. and Pomonis, A. (2011). Damage data analysis and vulnerability estimation following the August 14, 2003 Lefkada Island, Greece, Earthquake. Bulletin of Earthquake Engineering 9:4, 1015-1046.
People seriously injured: comment

At least 50 people were injured, 4 of which were hospitalised (2 were injured serisouly as they fell whilst rock climbing and 2
suffered limb fractures due to rockfalls).


People killed
0
number
People killed: source
Karababa, F. S. and Pomonis, A. (2011). Damage data analysis and vulnerability estimation following the August 14, 2003 Lefkada Island, Greece, Earthquake. Bulletin of Earthquake Engineering 9:4, 1015-1046.

People killed due to ground shaking
0
number
People killed due to ground shaking: source
Karababa, F. S. and Pomonis, A. (2011). Damage data analysis and vulnerability estimation following the August 14, 2003 Lefkada Island, Greece, Earthquake. Bulletin of Earthquake Engineering 9:4, 1015-1046.
Loss: Building damage
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Total number of buildings destroyed
211
number
Total number of buildings destroyed: source
Karababa, F. S. and Pomonis, A. (2011). Damage data analysis and vulnerability estimation following the August 14, 2003 Lefkada Island, Greece, Earthquake. Bulletin of Earthquake Engineering 9:4, 1015-1046.
Total number of buildings destroyed: comment

221 buildings were sustained damage grade of D4 & D5 of EMS-98 in Lefkada island and around 30 in the mainland.

Total number of buildings destroyed: status
Approximate

Number of buildings damaged
3805
number
Number of buildings damaged: source
Karababa, F. S. and Pomonis, A. (2011). Damage data analysis and vulnerability estimation following the August 14, 2003 Lefkada Island, Greece, Earthquake. Bulletin of Earthquake Engineering 9:4, 1015-1046.
Number of buildings damaged: comment

The total number of damaged buildings, excluding the destroyed ones (D4 & D5 EMS-98), was 3,805 buildings in Lefkada island and around 700 in the mainland. Some, but not many, of these buildings may have also been affected by liquefaction.

Number of buildings damaged: status
Approximate

Number of dwellings destroyed: status
N/A

Number of dwellings damaged: status
N/A

Total number of buildings destroyed by shaking
221
number
Total number of buildings destroyed by shaking: source
Karababa, F. S. and Pomonis, A. (2011). Damage data analysis and vulnerability estimation following the August 14, 2003 Lefkada Island, Greece, Earthquake. Bulletin of Earthquake Engineering 9:4, 1015-1046.
Total number of buildings destroyed by shaking: comment

According to Karababa and Pomonis on Lefkada Island 221 buildings, of which 181 were old load-bearing stone masonry, were classified as having damage grade 4 (very heavy damage). In addition some more buildings had damage grade 4 on the mainland. In Greece most buildings with damage grade 4 are demolished as it is deemed uneconomic to repair.

Total number of buildings destroyed by shaking: status
Approximate

Number of buildings damaged by shaking
3805
number
Number of buildings damaged by shaking: source
Karababa, F. S. and Pomonis, A. (2011). Damage data analysis and vulnerability estimation following the August 14, 2003 Lefkada Island, Greece, Earthquake. Bulletin of Earthquake Engineering 9:4, 1015-1046.
Number of buildings damaged by shaking: comment

According to Karababa and Pomonis on Lefkada Island 3805 buildings, were classified as having damage grade 1, 2 or 3. In addition some more buildings had damage grade 1, 2 or 3 on the mainland.

Number of buildings damaged by shaking: status
Approximate

Number of dwellings destroyed by shaking: status
N/A

Number of dwellings damaged by shaking: status
N/A

Loss: Socioeconomic
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People homeless
300
number
People homeless: source
CAR estimate
People homeless: comment

Dwelling occupancy in this region is quite low (<2 people per dwelling)

People homeless: status
Approximate

Direct economic loss
0.87
million US$
Direct economic loss: source
Munich Re
Direct economic loss: comment

Direct economic loss, excl. the insured losses.

Direct economic loss: status
Greater than

Indirect economic loss: status
N/A

Insured loss
0.13
million US$
Insured loss: source
Munich Re

Demographics
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