Strongest earthquake since the Kilauea volcano swarm started, Hawaii - Fissure eruption started May 3, 2018

May 3, 2018 by

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Update 05:24 UTC:

An eruption has commenced in the Leilani Estates subdivision in the lower East Rift Zone of Kilauea Volcano. Shortly before 5 pm, lava was confirmed at the surface in the eastern end of the subdivision. Hawaii County Civil Defense is on scene and coordinating needed response including evacuation of a portion of the Leilani subdivision.
Residents of the lower Puna District should remain alert, review individual, family, and business emergency plans, and watch for further information about the status of the volcano. Hawaii County Civil Defense messages may be found at http://www.hawaiicounty.gov/active-alerts/.

Recent Observations: New ground cracks were reported in Leilani Estates late this afternoon. White, hot vapor and blue fume emanated from an area of cracking in the eastern part of the subdivision. Spatter began erupting shortly before 5 pm. HVO and the County of Hawaii are on the ground and conducting overflights to further identify characterize activity and identify the direction of flowing lava.

Hazard Analysis: Areas downslope of the erupting vent are at risk of lava inundation. At this time, the general area of the Leilani subdivision appears at greatest risk. The opening phases of fissure eruptions are dynamic. Additional vents and new lava outbreaks may occur and at this time it is not possible to say where new vents may occur.

A steam / Ash plume is also rising from the Puu Oo vent but that is NOT the location of the rifteruption

Update 21:36 UTC: Official HVO report from a bit after the M4.6 earthquake (10:30 HST)
At 10:30 HST, ground shaking from a preliminary magnitude-5.0 earthquake south of Pu‘u ‘Ō‘ō caused rockfalls and possibly additional collapse into the Pu‘u ‘Ō‘ō crater on Kīlauea Volcano's East Rift Zone.
A short-lived plume of ash produced by this event lofted skyward and is continuing to dissipate as it drifts southwest from Pu‘u ‘Ō‘ō. Anyone downwind may experience a dusting of ash.
At this time, the 10:30 earthquake has caused no other changes at Kīlauea Volcano. HVO will continue to closely watch monitoring data for any changes.
HVO has field crews working along the rift zone at this time. HVO will post additional information and photographs later today.

Update 21:21 UTC:  As we are also following volcanoes we have been watching eventual eruptive signs but none of it so far.
We will keep this page open and will add additional information if something important happens in the eastern part of the island.
Current alert level of the volcano is Orange.
Some parts of the park have been closed earlier today.

Update 21:05 UTC: shaking map shows a max light shaking

Update 20:55 UTC: The strongest earthquake so far since the crater floor collapsed.

Most important Earthquake Data:

Magnitude : 4.6

Local Time (conversion only below land) : 2018-05-03 10:30:56

GMT/UTC Time : 2018-05-03 20:30:56

Depth (Hypocenter) : 6.9 km

Depth and Magnitude updates in the list below.

Donation - long - San Francisco

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Refresh this list
SRC Location UTC Date/time M D INFO
USGS Leilani Estates, Hawaii May 03 23:06 2.8 5 MAP I Felt It INFO
USGS Leilani Estates, Hawaii May 03 22:17 2.6 7 MAP
USGS Leilani Estates, Hawaii May 03 21:57 2.5 0 MAP
USGS Leilani Estates, Hawaii May 03 21:37 2.7 4 MAP
USGS Leilani Estates, Hawaii May 03 21:12 2.6 0 MAP
USGS Leilani Estates, Hawaii May 03 20:55 2.8 5 MAP I Felt It INFO
USGS Volcano, Hawaii May 03 20:36 2.8 3 MAP I Felt It INFO
GEOFON Hawaii May 03 20:30 4.8 10 MAP
USGS Volcano, Hawaii May 03 20:30 5.0 6 MAP
EMSC Island Of Hawaii, Hawaii May 03 20:30 4.7 20 MAP
USGS Fern Acres, Hawaii May 03 20:30 4.6 6 MAP I Felt It INFO
  • Pahoa - Quick jolt
  • Mountain View hawaii - Moderate shaking
  • Keaau Hawaii - Moderate shaking
  • Hilo - Approx 30 seconds, a rolling motion with several "jumps." No damage. About 10:42 AM
  • Keaau, HI - House shook twice
  • Na`alehu - Only noticed for about 7-8 seconds. Very light rolling/shaking motion. Whiteboard hanging from structure was shaking.
    		•
    USGS Leilani Estates, Hawaii May 03 20:15 2.6 0 MAP
    USGS Leilani Estates, Hawaii May 03 17:44 2.6 0 MAP
    USGS Leilani Estates, Hawaii May 03 17:17 2.8 6 MAP I Felt It INFO
    USGS Leilani Estates, Hawaii May 03 16:14 2.5 3 MAP
    USGS Leilani Estates, Hawaii May 03 15:54 2.5 3 MAP I Felt It INFO
    USGS Leilani Estates, Hawaii May 03 14:49 2.5 5 MAP
    USGS Leilani Estates, Hawaii May 03 12:00 2.5 1 MAP
    USGS Leilani Estates, Hawaii May 03 09:55 2.5 5 MAP
    USGS Volcano, Hawaii May 03 09:22 2.9 2 MAP
    EMSC Island Of Hawaii, Hawaii May 03 09:22 3.6 9 MAP I Felt It INFO
    USGS Leilani Estates, Hawaii May 03 09:22 3.6 9 MAP
    EMSC Hawaii Region, Hawaii May 03 07:10 3.2 3 MAP I Felt It INFO
    USGS Leilani Estates, Hawaii May 03 05:14 2.5 4 MAP
    USGS Leilani Estates, Hawaii May 03 04:26 3.1 1 MAP I Felt It INFO
    EMSC Hawaii Region, Hawaii May 03 04:26 3.1 1 MAP
    USGS Leilani Estates, Hawaii May 03 04:06 3.0 3 MAP
    EMSC Hawaii Region, Hawaii May 03 04:06 3.0 3 MAP
    EMSC Hawaii Region, Hawaii May 03 03:36 3.2 0 MAP
    USGS Leilani Estates, Hawaii May 03 03:36 3.2 0 MAP
    USGS Leilani Estates, Hawaii May 03 03:35 3.0 3 MAP I Felt It INFO
    USGS Leilani Estates, Hawaii May 03 03:07 2.7 4 MAP
    USGS Leilani Estates, Hawaii May 03 02:45 2.9 0 MAP
    EMSC Hawaii Region, Hawaii May 03 02:45 2.9 0 MAP
    USGS Leilani Estates, Hawaii May 03 02:08 2.5 5 MAP
    USGS Leilani Estates, Hawaii May 03 01:46 2.5 7 MAP

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    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.
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