Earthquake overview : A massive earthquake measuring 7.5 magnitude struck the Vanuatu area at 3:55 AM in the night. A tsunami with theoretical waves up to 1.9 meters could be expected on a Vanuatu island (see below).
Earthquake-Report.com has made a short video on this earthquake. For those who do not like to read a lot, this is the perfect way of being informed. The video is also embedded at the bottom of the page.
http://www.youtube.com/user/quakesos?feature=mhee#p/a/u/0/dQEHLKOxrEo
http://www.youtube.com/user/quakesos?feature=mhee#p/a/u/0/dQEHLKOxrEo
If EFATE people are reading this article, we urge them to confirm us that NO damage was inflicted and that nobody was injured ot killed. Use the form below or write to quakesos@hotmail.com or call +32478299395. Thank you for your cooperation.
FELT Reports as already received by Earthquake-Report.com from Vanuatu
Vanuatu : Longues secousses. Piscine qui deborde. Long shaking + swimming pool which is overflowing. MMI V and MMI VI checked.
Efate : Experienced severe quake at 5.30 approx – much stronger than 7.5 at 3.55 am MMI VIII checked (Severe shaking)
Efate : Experienced severe quake at 5.30 approx – much stronger than 7.5 at 3.55 am MMI VIII checked (Severe shaking)
22:30 UTC : The normally ‘well informed’ Radio New Zealand International reports that the Vanuatu National Disaster Management Office says it has received no reports of damage and has cancelled a local tsunami warning advisory.
21:29 UTC : The Vanuatu Tsunami Warning Center has canceled all tsunami warnings after a 7.0-magnitude earthquake struck off its coast, generating local tsunami waves but no damage.
21:02 UTC : The area has been shaken over and over again by the many, sometimes massive, strong and very stron aftershocks. At the time of writing, this were the most powerful aftershocks so far :
M 4.9 2011/08/20 20:13 Depth 48.9 km VANUATU
M 5.0 2011/08/20 19:23 Depth 60.4 km VANUATU
M 7.0 2011/08/20 18:19 Depth 28.5 km VANUATU
M 5.2 2011/08/20 18:02 Depth 35.3 km VANUATU
M 5.1 2011/08/20 17:44 Depth 9.5 km VANUATU
M 5.9 2011/08/20 17:13 Depth 37.3 km VANUATU
M 5.6 2011/08/20 17:11 Depth 40.9 km VANUATU
M 4.9 2011/08/20 20:13 Depth 48.9 km VANUATU
M 5.0 2011/08/20 19:23 Depth 60.4 km VANUATU
M 7.0 2011/08/20 18:19 Depth 28.5 km VANUATU
M 5.2 2011/08/20 18:02 Depth 35.3 km VANUATU
M 5.1 2011/08/20 17:44 Depth 9.5 km VANUATU
M 5.9 2011/08/20 17:13 Depth 37.3 km VANUATU
M 5.6 2011/08/20 17:11 Depth 40.9 km VANUATU
20:51 UTC : GDACS has just published an adapted tsunami map based on the recalculated values of the earthquake.
These are the maximum wave values calculated by GDACS :
00:13 20/08/2011 17:08:15 Montmartre Vanuatu 1.2
00:13 20/08/2011 17:08:15 Eratap Vanuatu 1.2
00:15 20/08/2011 17:10:39 Vila Vanuatu 1.0
00:15 20/08/2011 17:10:39 Port-Vila Vanuatu 1.0
These are the maximum wave values calculated by GDACS :
00:13 20/08/2011 17:08:15 Montmartre Vanuatu 1.2
00:13 20/08/2011 17:08:15 Eratap Vanuatu 1.2
00:15 20/08/2011 17:10:39 Vila Vanuatu 1.0
00:15 20/08/2011 17:10:39 Port-Vila Vanuatu 1.0
Map courtesy GDACS
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