Very deep massive M8.2 earthquake near the Fiji Islands - August 19, 2018

August 19, 2018 by

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Update 09:07 UTC: The massive quake was and is being followed by a bunch of aftershocks up to M6.3 but most of them will not even be felt due to the depth of the hypocenter.

Update 08:37 UTC: The ultimate explanatory earthquake poster from this earthquake comes from geologist Dr. Jay Patton. Click on the image to be linked to his site. The poster contains lots of important scientific information and can be viewed in full format in his site. Dr Jay Patton is gifted with the ability to translate hard to understand scientific material into easy, everyday language (through texts and images).

Update 08:53 UTC: Main earth movement based on the current focal mechanism.
People who experienced the shaking can easily determine which of both fault planes is the right one.
Images courtesy Observatoire Geoscope

Update 08:39 UTC: Due to the large depth, this earthquake did not shake very strongly at Earth’s surface.

Update 08:56 UTC: Shaking impact on nearby population in MMI (Modified Mercalli scaled).

Update 08:41 UTC: Shaking map with possible related damage from the natural disaster specialists at CATnews (Risklayer - CEDIM), Karlsruhe, Germany. Map generated by Andreas Schäfer.
Depth map of the recent Fiji, Tonga earthquake and subduction geometry, second strongest ever recorded earthquake in such a depth (after Okhotsk, 2013)

Update 08:37 UTC: Based on the present earthquake parameters (Magnitude, Depth, Population, etc) and our experience with earthquake damage impact, earthquake-Report.com does not expect any (serious) damage from this earthquake

Most important Earthquake Data:

Magnitude : 8.2

Local Time (conversion only below land) : 2018-08-19 12:19:38

GMT/UTC Time : 2018-08-19 00:19:38

Depth (Hypocenter) : 566 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.

Refresh this list
SRC Location UTC Date/time M D INFO
GEOFON Fiji Islands Region Aug 19 23:23 4.6 584 MAP
USGS Ndoi Island, Fiji Aug 19 23:23 4.4 576 MAP I Felt It INFO
GEOFON Fiji Islands Region Aug 19 19:13 5.1 431 MAP
EMSC Fiji Region Aug 19 19:13 4.6 431 MAP
USGS Lambasa, Fiji Aug 19 19:13 4.6 399 MAP I Felt It INFO
EMSC Fiji Region Aug 19 18:49 4.6 551 MAP
GEOFON Fiji Islands Region Aug 19 18:49 5.1 546 MAP
USGS Lambasa, Fiji Aug 19 18:49 4.6 531 MAP
USGS Fiji Region Aug 19 18:43 5.4 576 MAP
GEOFON Fiji Islands Region Aug 19 18:43 5.2 569 MAP
EMSC Fiji Region Aug 19 18:43 5.0 563 MAP I Felt It INFO
GEOFON Fiji Islands Region Aug 19 11:00 5.4 560 MAP I Felt It INFO
USGS Ndoi Island, Fiji Aug 19 11:00 4.8 552 MAP
EMSC Fiji Region Aug 19 11:00 5.2 549 MAP
USGS Ndoi Island, Fiji Aug 19 10:58 4.4 506 MAP
EMSC Fiji Region Aug 19 10:58 4.4 507 MAP I Felt It INFO
USGS Fiji Region Aug 19 10:44 4.4 612 MAP I Felt It INFO
EMSC Fiji Region Aug 19 10:44 4.4 623 MAP
GEOFON Fiji Islands Region Aug 19 10:44 5.0 618 MAP
EMSC Fiji Region Aug 19 09:18 4.6 627 MAP
USGS Ndoi Island, Fiji Aug 19 09:18 4.6 605 MAP I Felt It INFO
GEOFON Fiji Islands Region Aug 19 09:18 4.6 631 MAP
USGS Lambasa, Fiji Aug 19 08:21 4.4 612 MAP
EMSC Fiji Region Aug 19 08:21 4.4 613 MAP
USGS Fiji Region Aug 19 08:17 4.9 559 MAP
GEOFON Fiji Islands Region Aug 19 08:17 4.9 565 MAP
EMSC Fiji Region Aug 19 08:17 4.9 573 MAP I Felt It INFO
USGS Ndoi Island, Fiji Aug 19 08:05 4.4 591 MAP
USGS Ndoi Island, Fiji Aug 19 07:48 4.9 559 MAP
EMSC Fiji Region Aug 19 07:48 4.9 550 MAP
GEOFON Fiji Islands Region Aug 19 07:48 4.9 545 MAP
GEOFON Fiji Islands Region Aug 19 07:25 4.3 535 MAP I Felt It INFO
USGS Lambasa, Fiji Aug 19 07:25 4.3 532 MAP
EMSC Fiji Region Aug 19 07:25 4.3 533 MAP I Felt It INFO
GEOFON Fiji Islands Region Aug 19 06:36 5.8 529 MAP I Felt It INFO
USGS Ndoi Island, Fiji Aug 19 06:36 5.2 527 MAP
USGS Ndoi Island, Fiji Aug 19 06:19 4.6 580 MAP
EMSC Fiji Region Aug 19 06:19 4.8 582 MAP
GEOFON Fiji Islands Region Aug 19 06:19 4.9 600 MAP
EMSC Fiji Region Aug 19 06:06 4.4 641 MAP
USGS Ndoi Island, Fiji Aug 19 06:06 4.4 641 MAP
USGS Ndoi Island, Fiji Aug 19 05:58 4.9 503 MAP
EMSC Fiji Region Aug 19 05:58 4.9 504 MAP
GEOFON Fiji Islands Region Aug 19 05:58 5.4 524 MAP
USGS Ndoi Island, Fiji Aug 19 05:45 4.8 525 MAP I Felt It INFO
GEOFON Fiji Islands Region Aug 19 05:45 4.8 532 MAP
USGS Ndoi Island, Fiji Aug 19 04:54 4.4 602 MAP
PTWC Aug 19 04:40 6.7 0 MAP
USGS Sigave, Wallis And Futuna Aug 19 04:29 6.8 422 MAP
GEOFON Fiji Islands Region Aug 19 04:28 6.8 427 MAP I Felt It INFO
USGS Fiji Region Aug 19 04:25 4.6 608 MAP I Felt It INFO
USGS Fiji Region Aug 19 04:15 4.6 616 MAP I Felt It INFO
USGS Ndoi Island, Fiji Aug 19 03:06 4.9 583 MAP
GEOFON Fiji Islands Region Aug 19 03:06 5.4 573 MAP
EMSC Fiji Region Aug 19 03:06 4.9 586 MAP I Felt It INFO
USGS Ndoi Island, Fiji Aug 19 02:18 5.7 618 MAP I Felt It INFO
GEOFON Fiji Islands Region Aug 19 02:18 5.9 630 MAP
USGS Ndoi Island, Fiji Aug 19 01:57 4.5 573 MAP
USGS Ndoi Island, Fiji Aug 19 01:39 4.6 576 MAP
GEOFON Fiji Islands Region Aug 19 01:34 5.1 504 MAP I Felt It INFO
EMSC Fiji Region Aug 19 01:34 5.0 490 MAP
USGS Lambasa, Fiji Aug 19 01:34 4.9 484 MAP
EMSC Fiji Region Aug 19 01:17 4.9 566 MAP
USGS Ndoi Island, Fiji Aug 19 01:17 4.9 569 MAP
USGS Fiji Region Aug 19 00:58 5.4 510 MAP
EMSC Fiji Region Aug 19 00:58 5.4 510 MAP I Felt It INFO
USGS Ndoi Island, Fiji Aug 19 00:55 5.4 552 MAP
GEOFON Fiji Islands Region Aug 19 00:55 5.8 570 MAP
EMSC Fiji Region Aug 19 00:55 5.4 551 MAP
EMSC Fiji Region Aug 19 00:52 5.4 523 MAP
USGS Ndoi Island, Fiji Aug 19 00:52 5.4 521 MAP
GEOFON Fiji Islands Region Aug 19 00:52 5.6 542 MAP
GEOFON Fiji Islands Region Aug 19 00:39 5.6 579 MAP
PTWC Aug 19 00:27 7.9 0 MAP
USGS Ndoi Island, Fiji Aug 19 00:23 6.3 561 MAP I Felt It INFO
USGS Ndoi Island, Fiji Aug 19 00:19 8.2 563 MAP
GEOFON Fiji Islands Region Aug 19 00:19 8.2 566 MAP I Felt It INFO
  • Fasi ( Nuku'alofa) - 60 secs No damage to house
  • NukuALOFA - 60 seconds, bookcases rattling against the wall
  • Nuku\'alofa - 60 seconds shaking pictures no damage
  • Likuri Island - Felt a floating feeling while sitting at my desk. Lasted about 30 to 45 sec. Near Natadola Coral Coast Fiji.
  • Nadi - Light shaking
  • Nadi - Light shaking
  • Liahona - The shaking lasted about a minute. It seemed to keep going on, almost gone, then back again. No damages. Just felt the shaking and new an earthquake was happening, as I have been through several in Seattle and California.
    		•
    USGS Ndoi Island, Fiji Aug 19 00:19 8.2 559 MAP

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    SHARE YOUR EARTHQUAKE EXPERIENCE WITH US

    I felt the shaking *
    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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    Filed Under: Dangerous earthquakes, earthquakes, Info, M +8 quakes