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Moderate mag. 5.7 earthquake - TAIWAN REGION on Tuesday, 23 October 2018

Moderate mag. 5.7 earthquake  - TAIWAN REGION on Tuesday, 23 October 2018
23 Oct 16:10 UTC: First to report: EMSC after 6 minutes.
Hypocenter depth recalculated from 29.0 to 1.0 km.
Oct 23 16:15: Magnitude recalculated from 5.7 to 5.8.
Hypocenter depth recalculated from 1.0 to 2.0 km.
Oct 23 16:20: Magnitude recalculated from 5.8 to 5.7.
Hypocenter depth recalculated from 2.0 to 30.0 km.
Hypocenter depth recalculated from 30.0 to 42.0 km.
Date & time: Tuesday, 23 October 2018 16:04 UTC
Magnitude: 5.7
Depth: 42.0 km
Epicenter latitude / longitude: 24.05°N / 122.71°E (Japan)
Nearest volcano: Unnamed 24.00°N/121.83°E (73 km / 45 mi)
Nearby towns and cities:
55 km (34 mi) SW of Yonakuni (pop: 1,700)
111 km (69 mi) SW of Shirahama (pop: 300)
113 km (70 mi) E of Hualien City (pop: 350,500)
163 km (101 mi) SE of Taipei (pop: 7,871,900)
165 km (103 mi) SE of Banqiao (pop: 543,300)
2082 km (1294 mi) SW of Tokyo (pop: 8,336,600)
Primary data source: EMSC
Estimated released energy: 2.2 x 1013 joules (6.22 gigawatt hours, equivalent to 5351 tons of TNT or 0.3 atomic bombs!) [learn more]
If you felt this quake (or if you were near the epicenter), please share your experience and submit a short "I felt it" report! Other users would love to hear about it!
Also if you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable also to earthquake science and earthquake hazard analysis and mitigation efforts. You can use your device location or the map to indicate where you were during the earthquake. Thank you!

Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
TimeMag. / DepthLocationSource
Tue, 23 Oct 16:04 UTCM 5.7 / 42 kmTAIWAN REGIONEMSC
Tue, 23 Oct 16:04 UTCM 5.6 / 10 kmTaiwan RegionGFZ
2018-10-24 00:04:03 (23 Oct 16:04:03 UTC)M 5.7 / 30 km台湾花莲县海域CEIC
2018-10-24 00:04:03 +08:00 (23 Oct 16:04:03 UTC)M 5.7 / 24 km- 61km SSW of Yonakuni, JapanUSGS
Tue, 23 Oct 16:04 UTCM 5.5 / 11.3 kmTaiwan RegionGeoAu

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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165.8 km NW of epicenter [Map] / Very weak shaking (MMI II) : 11th floor of hotel in Taipei. Weak shaking for max 10 sec (reported through our app)
Ishigaki jima (150.4 km ENE of epicenter) [Map] / Light shaking (MMI IV)
Hualien City (111 km W of epicenter) [Map] / Very weak shaking (MMI II) (reported through our app)
Taipei (155.1 km NW of epicenter) [Map] / Light shaking (MMI IV)
Zhongshan, Taipei / Very weak shaking (MMI II)
Taipei (162.2 km NW of epicenter) [Map] / Light shaking (MMI IV)
Dong Hu - 3rd floor (158.6 km NW of epicenter) [Map] / Light shaking (MMI IV) : I was watching tv on the sofa and felt it shaking. Light shaking too.
164.1 km NW of epicenter [Map] / Moderate shaking (MMI V) (reported through our app)
Taipei / Light shaking (MMI IV) : Nearly 1 minute long, constant shaking, dizzy feeling
Taipei / Weak shaking (MMI III)
XI MEN DING TAIPEI / Light shaking (MMI IV)
Taipei / Light shaking (MMI IV)
Ximending / Weak shaking (MMI III)
Taipei city / Light shaking (MMI IV) : Shaking on 13th floor of building
Quote Hotel Taipei / Light shaking (MMI IV)
Mirimar Garden Hotel 14th Floor, Taipei / Weak shaking (MMI III) : Didn't feel anything at 12:40 earlier today on the ground floor but felt it just after midnight tonight before going to bed.
Grand Hyatt hotel Taipei, 18th floor. / Light shaking (MMI IV) : Motion woke me up. Side to side motion similar to being in a tall building on a windy day.
Les suites hotel ching cheng / Weak shaking (MMI III)
191.8 km WNW of epicenter [Map] / Weak shaking (MMI III)
161.4 km NW of epicenter [Map] / Moderate shaking (MMI V)
Taipei / Weak shaking (MMI III)
New Taipei City (161.4 km NW of epicenter) [Map] / Weak shaking (MMI III)
Ishigaki / Weak shaking (MMI III)
Hscinchu (193.2 km WNW of epicenter) [Map] / Weak shaking (MMI III)
Taipeh (162.9 km NW of epicenter) [Map] / Light shaking (MMI IV)
164.2 km NW of epicenter [Map] / Weak shaking (MMI III)
Taipei / Light shaking (MMI IV)
Taipeh / Light shaking (MMI IV)
Zhongzheng District (Taiwan, Province of China, 164 km NW of epicenter) : It’s the first time experiencing something like that and I FREAKED OUT (reported through EMSC)
Songshan District (Taiwan, Province of China, 162 km NW of epicenter) : 感到東西在移動 (reported through EMSC)
(Taiwan, Province of China, 210 km W of epicenter) : Felt about 20-30 mins ago, beds started shaking (reported through EMSC)
Hukou Township (Taiwan, Province of China, 197 km NW of epicenter) : There was an earthquake 1 minute before, not big but extend for 40 seconds! (reported through EMSC)
Baoshan Township (Taiwan, Province of China, 193 km NW of epicenter) : I thought it was nothing, but I felt it slightly a little.. (reported through EMSC)
Dayuan District (Taiwan, Province of China, 191 km NW of epicenter) : Felt a shake, not so strong (reported through EMSC)
Yangmei District (Taiwan, Province of China, 186 km NW of epicenter) : The house was moving and things were rattling. (reported through EMSC)
Zhudong Township (Taiwan, Province of China, 183 km NW of epicenter) : Moderate shaking in Hsinchu County for about thirty seconds. Objects in living room were rattling. (reported through EMSC)
(Taiwan, Province of China, 178 km NW of epicenter) : Sitting in a parked car, I thought it was windy outside and the wind is shaking the car. I went out and checked and saw cables on telephone poles swinging a bit but there's no wind at all. (reported through EMSC)
Shilin District (Taiwan, Province of China, 169 km NW of epicenter) : Rocking in my bed! (reported through EMSC)
Tucheng District (Taiwan, Province of China, 167 km NW of epicenter) : Bed was moving.. felt the quake in 15th floor (reported through EMSC)
(Taiwan, Province of China, 167 km NW of epicenter) : It was a shaker about a 6. (reported through EMSC)
Daan District (Taiwan, Province of China, 163 km NW of epicenter) : Relaxing on the 5th floor in Taipei when I started to feel dizzy. Sliding door started to rattle but that was about it. Should have been bigger than this afternoon though. (reported through EMSC)
Zhonghe District (Taiwan, Province of China, 163 km NW of epicenter) : Shook the hotel (reported through EMSC)
Songshan District (Taiwan, Province of China, 163 km NW of epicenter) : Taipei Taiwan (reported through EMSC)
(Taiwan, Province of China, 161 km NW of epicenter) : Building swayed. (reported through EMSC)
Xinyi District (Taiwan, Province of China, 161 km NW of epicenter) : Si appena risentito. Scricchioli nella casa (reported through EMSC)

Aftershocks of the 5.7 quake: TAIWAN REGION, 23 Oct 2018 16:04

More info
Recorded aftershocks, latest first (3 quakes):
  • 19 Nov 2018 06:19 UTC
    | M 5.1 |
    19 km (11.8 mi) depth
    |
    25 km (16 mi) distance
    | GFZ | Details
  • 16 Nov 2018 00:34 UTC
    | M 4.3 |
    72.5 km (45 mi) depth
    |
    34 km (21 mi) distance
    | USGS | Details
  • 08 Nov 2018 21:28 UTC
    | M 4.1 |
    33.1 km (20.6 mi) depth
    |
    11 km (7 mi) distance
    | USGS | Details

Earlier earthquakes in the same area

Moderate mag. 5.7 earthquake - TAIWAN REGION on Tuesday, 23 October 2018
 

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