Strong Earthquake Measuring Up to 6.6Mw Strikes 210 km N of Luganville, Espiritu Santo, Vanuatu
The quake struck at a depth of about 180km on Thursday, March 04, 2010 at 14:02:30 local time.
The mainshock was preceded by a Magnitude 5.0 foreshock.
Location
The epicenter was located at 13.616°S, 167.135°E, USGS said.
Tsunami Status
The hypocenter of this event was located too deep below the ocean floor to cause a significant tsunami.
10-degree Map Centered at 15°S,165°E

EQ Location Map. Source: USGS/EHP. Image Edited and Enhanced by FEWW.
The quake occurred near 3 volcanoes: Gaua (80km), Suretamatai (40km) and Motlav (60km).
Gaua has been active sporadically since September 2009.
According to Global Volcanism Program website
On 29 January, the Vanuatu Geohazards Observatory reported significant changes in Gaua’s activity over the previous two weeks. They noted that since 16 January more gas was emitted and multiple explosions produced denser and darker ash plumes. During 22-29 January, the water level in the river to the E that Lake Letas feeds rose 10 cm. Gas-and-ash plumes rose 3 km and drifted S and W. On 24 January nearby villagers reported seeing ejected material from Strombolian activity. The Wellington VAAC reported that on 27 January an ash cloud was seen on satellite imagery. Strong explosions were seen and heard from East Gaua on 29 January. According to the VAAC, the Vanuatu Geohazards Observatory reported that gas-and-ash plumes rose to altitudes of 3 km (10,000 ft) a.s.l. and drifted S and W that same day.
Fire-Earth Moderators believe Gaua could resume activity in the coming days.
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