Very powerful deep earthquake below the Celebes Sea , Indonesia / Philippines

Celebes Sea, Indonesia earthquake seismic hazard map

FINAL UPDATE 10:02 PM : The second earthquake only 3 minutes after the first one has been revised by USGS to a Magnitude of 6.7 instead of the earlier 6.3 as reported by EMSC.

UPDATE 4:37 PM : As the shaking was very weak in the nearest cities (at least 300 km from the epicenter ), people in this area of the world will not have been scared by the tremor. They are very much used to this kind of shaking.

UPDATE 4:30 PM : USGS Felt reports out of Davao, Mindanao, Philippines did report a III MMI (weak shaking).  This value was expected by

UPDATE 3:35 PM : There are NO populated islands within 200 km from the epicenter.

UPDATE 3:25 PM : BMKG, the Indonesian seismological service, did report a magnitude of 6.3 at a depth of 521 km.

UPDATE 3:14 PM : As the hypocenter of this earthquake is located very deep in the solid mantle of the earth, NO damage is being expected from this earthquake

UPDATE 3:12 PM : NO tsunami reports have been issued by NOAA or GDACS

Very powerful but deep harmless magnitude 6.4 earthquake in the Celebes Sea, Indonesia - NO tsunami danger
3 minutes later a similar earthquake with the same magnitude (reported by EMSC)
USGS reports only a II MMI (weak shaking) for 6,870,000 people.
GDACS published a GREEN earthquake alert for this earthquake = very limited chance on damage and/or injuries
Very deep powerful earthquake in the Celebes Sea - Will be felt by many people as a light shaking.
308 km (191 miles) SE (134°) from Jolo, Sulu Archipelago, Philippines

Most important Earthquake Data:
Magnitude : 6.4
UTC time :  Thursday, February 10, 2011 at 14:39:28 UTC
Local time at epicenter : Thursday, February 10, 2011 at 10:39:28 PM at epicenter
Depth (Hypocenter) : 528 km satellite map + I Did Feel It form
Geo-location(s) :
310 km (190 miles) SE of Jolo, Sulu Archipelago, Philippines
325 km (200 miles) SW of General Santos, Mindanao, Philippines

Links to important maps
USGS Did You Feel It Map
Google satellite map of the area showing the kind of terrain the earthquake took place
USGS Shaking map
USGS historic earthquakes map
USGS impact on population map
USGS Seismic hazard map
LIVE SEISMOGRAM (Davao, Philippines Seismograph station)
GDACS Green Earthquake Alert (Global Disaster Alert and Coordination System)
GDACS Green Tsunami alert - NO alert
NOAA Tsunami report - NO alert

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