Massive earthquake below one of the Vanuatu Islands - Tsunami alert canceled

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I HAVE FELT IT REPORT from Luganville, Aore Island
The quake started with a shudder, then developed into a rolling like motion. Our buildings sustained no damage, concrete slab, concrete filled block walls with corrugated roofing (tin). Crockery and glassware damaged. White goods moved across the floor. A large tree in the surrounding jungle fell over. First time that our wind chimes were set off by the movement.


Update 23:08 UTC : Tsunami alert was canceled

Update 20:40 UTC : The maximum (theoretical) Tsunami wave height is 0.4m in Ellarmo, Vanuatu. The tsunami impact is rather limited as the earthquake epicenter is below land and at a depth of 35 km.

Screen Shot 2016-04-28 at 22.40.30

Screen Shot 2016-04-28 at 22.43.44

Update 20:37 UTC : The Magnitude of the earthquake was decreased from M7.3 to M7.0, a big difference. Depth : 35 km.

Update 20:34 UTC : Professor Max Wyss, who specializes in theoretical prognoses of injuries and fatalities expects : 0 to 40 injuries and NO fatalities

Update 20:28 UTC : If you are living in Vanuatu, may we ask you to share your experience with us by filling in the form below. Please also mention wether yoou ave sustained damage or not.  Thank you.

Update 20:27 UTC : People in the city of Luganville on Sanma island did report strong shaking.

Update 20:22 UTC : The local time of the earthquake was 6:33 AM

Update 20:15 UTC : About 17,000 people are at risk for damage (radius 50 km) and about 6,000 for possible injuries. Vanuatu is however an islands archipelago who has multiple massive earthquakes almost avery year and people are more or less acustumed to live with very strong shaking. Most of thease earthquakes epicenters are however ofshore but in this case the epicenter was below the island of Milampa itself.
About tsunami's

Screen Shot 2016-04-28 at 22.16.52

Update 20:06 UTC : A Tsunami is possible within a radius of 300 km of the epicenter or along all Vanuatu coastal areas

Screen Shot 2016-04-28 at 22.05.29

Update 20:04 UTC : Very strong shaking expected on the Island of Milampa

Screen Shot 2016-04-28 at 22.03.27

5.0 km (3.1 mi) WSW of Norsup, Vanuatu
64.0 km (39.8 mi) SSE of Luganville, Vanuatu
209.0 km (129.9 mi) NNW of Port-Vila, Vanuatu
533.0 km (331.2 mi) N of We, New Caledonia
676.0 km (420.0 mi) N of Dumbea, New Caledonia

Most important Earthquake Data:

Magnitude : 7.3

Local Time (conversion only below land) : 2016-04-29 06:33:00

GMT/UTC Time : 2016-04-28 19:33:00

Depth (Hypocenter) : 9 km

Depth and Magnitude updates in the list below.

Share your earthquake experience (I Have Felt It) with our readers.
Click on the "I Felt It" button behind the corresponding earthquake. Your earthquake experience is not only important for science, but also for people in the area as well as our global readership.

SRC Location UTC Date/time M D INFO
PTWC Apr 28 19:37 7.3 0 MAP I Felt It
  • manta - the house was moving like in a wave.
  • USGS Norsup, Vanuatu Apr 28 19:33 7.0 27 MAP I Felt It INFO
    USGS Lakatoro, Vanuatu Apr 28 19:33 7.3 10 MAP I Felt It INFO
    GEOFON Vanuatu Islands Apr 28 19:33 7.0 27 MAP I Felt It INFO
    EMSC Vanuatu Apr 28 19:33 7.0 30 MAP I Felt It INFO
    WCATWC Vanuatu Islands Apr 28 19:33 7.3 9 MAP I Felt It INFO


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    SHARE YOUR EARTHQUAKE EXPERIENCE WITH US

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    Country where you felt the earthquake *
    City/Village where you felt the earthquake *
    Street or suburb (area) where you felt the earthquake
    Latitude (area) where you felt the earthquake
    Longitude (area) where you felt the earthquake
    Shaking Strength *
    MMI II (Very weak shaking) ?
    People :
    Felt by persons at rest, on upper floors or favorably placed.
    MMI III (Weak shaking) ?
    People :
    Felt indoors; hanging objects may swing, vibration similar to passing of light trucks, duration may be estimated, may not be recognized as an earthquake.
    MMI IV (Light shaking) ?
    People :
    Generally noticed indoors but not outside. Light sleepers may be awakened. Vibration may be likened to the passing of heavy traffic, or to the jolt of a heavy object falling or striking the building.
    Fittings :
    Doors and windows rattle. Glassware and crockery rattle. Liquids in open vessels may be slightly disturbed. Standing motorcars may rock.
    Structures :
    Walls and frames of buildings, and partitions and suspended ceilings in commercial buildings, may be heard to creak.
    MMI V (Moderate shaking) ?
    People :
    Generally felt outside, and by almost everyone indoors. Most sleepers awakened. A few people alarmed.
    Fittings :
    Small unstable objects are displaced or upset. Some glassware and crockery may be broken. Hanging pictures knock against the wall. Open doors may swing. Cupboard doors secured by magnetic catches may open. Pendulum clocks stop, start, or change rate.
    Structures :
    Some large display windows cracked. A few earthenware toilet fixtures cracked.
    MMI VI (Strong shaking) ?
    People Felt by all. People and animals alarmed. Many run outside. Difficulty experienced in walking steadily.
    Fittings :
    Objects fall from shelves. Pictures fall from walls. Some furniture moved on smooth floors, some unsecured free-standing fireplaces moved. Glassware and crockery broken. Very unstable furniture overturned. Small church and school bells ring. Appliances move on bench or table tops. Filing cabinets or "easy glide" drawers may open (or shut).
    Structures :
    Slight damage to buildings with low standard. Some stucco or cement plaster falls. Large display windows broken. Damage to a few weak domestic chimneys, some may fall.
    Environment :
    Trees and bushes shake, or are heard to rustle. Loose material may be dislodged from sloping ground, e.g. existing slides, talus slopes, shingle slides.
    MMI VII (Very strong shaking) ?
    People
    General alarm. Difficulty experienced in standing. Noticed by motorcar drivers who may stop.
    Fittings :
    Large bells ring. Furniture moves on smooth floors, may move on carpeted floors. Substantial damage to fragile contents of buildings.
    Structures :
    Unreinforced stone and brick walls cracked. Low standard buildings cracked with some minor masonry falls. A few instances of damage to buildings of ordinary workmanship. Unbraced parapets, unbraced brick gables, and architectural ornaments fall. Roofing tiles, especially ridge tiles may be dislodged. Many unreinforced domestic chimneys damaged, often falling from roof-line. Water tanks Type I burst. A few instances of damage to brick veneers and plaster or cement-based linings. Unrestrained water cylinders (hot-water cylinders) may move and leak. Some common windows cracked. Suspended ceilings damaged.
    Environment :
    Water made turbid by stirred up mud. Small slides such as falls of sand and gravel banks, and small rock-falls from steep slopes and cuttings. Instances of settlement of unconsolidated or wet, or weak soils. Some fine cracks appear in sloping ground. A few instances of liquefaction (i.e. small water and sand ejections).
    MMI VIII (Severe shaking) ?
    People Alarm may approach panic. Steering of motorcars greatly affected. Structures : Low standard buildings heavily damaged, some collapse. ordinary workmanship buildings damaged, some with partial collapse. Reinforced masonry or concrete buildings damaged in some cases. A few instances of damage to buildings and bridges designed and built to resist earthquakes. Monuments and pre-1976 elevated tanks and factory stacks twisted or brought down. Some pre-1965 infill masonry panels damaged. A few post-1980 brick veneers damaged. Decayed timber piles of houses damaged. Houses not secured to foundations may move. Most unreinforced domestic chimneys damaged, some below roof-line, many brought down. Environment : Cracks appear on steep slopes and in wet ground. Small to moderate slides in roadside cuttings and unsupported excavations. Small water and sand ejections and localized lateral spreading adjacent to streams, canals, lakes, etc.
    MMI IX (Violent shaking) ?
    Structures Many low standard buildings destroyed. Ordinary workmanship buildings heavily damaged, some collapse. Reinforced masonry or concrete buildings damaged, some with partial collapse. Buildings and bridges designed and built to resist earthquakes damaged in some cases, some with flexible frames seriously damaged. Damage or permanent distortion to some buildings and bridges, designed and built to normal use standards. Houses not secured to foundations shifted off. Brick veneers fall and expose frames. Environment : Cracking of ground conspicuous. Landsliding general on steep slopes. Liquefaction effects intensified and more widespread, with large lateral spreading and flow sliding adjacent to streams, canals, lakes, etc.
    Tell us your experience and how many seconds the shaking lasted + let us know if your property has been damaged (even slight damage). (max. 500 characters)
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