Powerful earthquake swarm East of Hualien, Taiwan (also felt in Taipei)

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Damage report in cooperation with the 2015 Earthquake Impact Database
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Update : 19 schools in various locations were damaged during this earthquake. The damage has been budgeted at 770,000T$

Update 13:47 UTC : A 1 person got killed when a house he was residing in kept fire.

Click on the image to read the full article

Click on the image to read the full article

Update 13:47 UTC : As long ad the earthquakes are not coming closer to the coast and remain below M7.0 at the same depth, ER does not ecxpect serious damage to happen.

Screen Shot 2015-04-20 at 14.36.21 Screen Shot 2015-04-20 at 14.36.39 Screen Shot 2015-04-20 at 14.38.05 Screen Shot 2015-04-20 at 14.39.31

66km (41mi) SE of Su'ao, Taiwan
77km (48mi) ENE of Hualian, Taiwan
85km (53mi) SE of Yilan, Taiwan
119km (74mi) SSE of Keelung, Taiwan

Most important Earthquake Data:

Magnitude : 6.4

Local Time (conversion only below land) : Unknown

GMT/UTC Time : 2015-04-20 01:42:58

Depth (Hypocenter) : 7 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.

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SRC Location UTC Date/time M D INFO
USGS Yonakuni, Japan Apr 20 12:00 6.1 29 MAP I Felt It INFO
EMSC Taiwan Region Apr 20 11:59 5.9 20 MAP
GEOFON Taiwan Region Apr 20 11:59 6.0 30 MAP
GEOFON Taiwan Region Apr 20 11:45 5.9 30 MAP
EMSC Taiwan Region Apr 20 11:45 5.5 47 MAP I Felt It INFO
USGS Yonakuni, Japan Apr 20 11:45 6.0 29 MAP
USGS Hualian, Taiwan Apr 20 11:20 5.2 34 MAP
GEOFON Taiwan Apr 20 11:20 4.9 39 MAP
EMSC Taiwan Apr 20 11:20 5.2 37 MAP I Felt It INFO
PTWC Apr 20 01:51 6.6 0 MAP
WCATWC Taiwan Region Apr 20 01:43 6.6 1 MAP
USGS Hualian, Taiwan Apr 20 01:43 6.6 1 MAP
USGS Su'ao, Taiwan Apr 20 01:42 6.4 29 MAP
EMSC Taiwan Region Apr 20 01:42 6.4 7 MAP I Felt It INFO
  • Taipei - moderate shaking , door moving , no object falled
  • Taipei - Slow rocking back and forth. Lasted about 60-90 seconds.
  • Taïpeï - J'ai été réveillée, je l'ai senti et c'était assez long
  • Taipei - No property damage. Some light structural damage - water leaking from ceiling.
  • New Taipei City - Comme une souris dans une boîte qu'on secourait très fort de droite à gauche. Aucun dommage matériel au alentour, circulation reprise normal, juste après l'arrêt de la secousse sismique.
  • Taipei city - We are on the 15th floor and the entire building was moving/ shaking back and forth for at least 60-90 seconds. This movement was strong enough to wake us up. It occurred around 9:45am
  • Yuchih Township - iMacs in the classroom visibly shaking, also felt the floor shaking for quite a few seconds. No damage to the classroom.
  • Taipei - Mein erstes Erdbeben, aber auch die anwesenden Taiwanesen waren "unentspannt". Vom Tisch ist nichts gefallen, aber das Aquarium im Vorraum ist übergeschwappt. Beim Blick aus dem Fenster hat man ganz deutlich das Schwanken des Gebäudes gesehen. Wir waren nur im 4. Stock, aber es war sehr unangenehm.
  • Taipei - 9.45.oggetti che oscillavano e rumore come un tuono.. è durato circa 1 minuto e mezzo. Molte persone sono uscite dall hotel spaventate..
  • Taipei - My first Earth Quake. Slowly shaking from left to right, about 60 to 90 sec. The Hotel building was creaking, the pictures on the wall rattled. On the door I have seen how the gap between door and door frame was changing. I was in the 4th floor. My blood pressure never was so high. The people from the Hotel said, it was "only little shaking". Now, after I tranquilized I can say, it was an interesting experience.
  • Taipei - Keine Schäden bekannt
  • Taipei - No damage. Definitely an earthquake. Chair I was sitting in and floor rocked back and forth for quite a while.
  • Taiwan - Moderate shaking on 6th floor of an office block for approx 40 seconds. No damage.
  • Taipei - Not so strong as this morning. Shaking from left to right for about 5-10 sec. During writing there was another short earth quake. Two during aprox. 10 min. Hopefully the last for today.
  • Taipei - Not so strong as this morning. Building (4th floor) was shaking for about 5-10 sec. During writing there was a second earth quake. Hopefully the last one for today.
  • Taipei - Short shaking. Not so long as the one before. Waiting for the next 🙂
  • Taipei - Mes colocataires ont été réveillés, j'étais au 17 e étage dans un immeuble de 32 étages, beaucoup de craquements se sont fait entendre, mais aucun dommage matériel, juste des objets déplacés. Environ 40-50 secondes.
  • GEOFON Taiwan Region Apr 20 01:42 6.3 36 MAP




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    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) ?
    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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