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Light mag. 4.7 earthquake - 72 km S of Hualien City, Taiwan on Wednesday, 23 September 2020

Light mag. 4.7 earthquake  - 72 km S of Hualien City, Taiwan on Wednesday, 23 September 2020
23 Sep 04:08 UTC: First to report: EMSC after 8 minutes.
23 Sep 05:27: Magnitude recalculated from 4.8 to 4.6. Hypocenter depth recalculated from 32.0 to 30.0 km (from 19.9 to 18.6 mi). Epicenter location corrected by 14 km (8.7 mi) towards ESE.
23 Sep 05:37: Magnitude recalculated from 4.6 to 4.7. Hypocenter depth recalculated from 30.0 to 32.0 km (from 18.6 to 19.9 mi). Epicenter location corrected by 14 km (8.7 mi) towards WNW.
Date & time: Wednesday, 23 September 2020 04:00 UTC
Magnitude: 4.7
Depth: 32.0 km
Epicenter latitude / longitude: 23.32°N / 121.49°E (Taiwan)
Nearest volcano: Unnamed 24.00°N/121.83°E (83 km / 52 mi)
Nearby towns and cities:
72 km (45 mi) NE of Taitung City (pop: 109,600)
74 km (46 mi) S of Hualien City (pop: 350,500)
89 km (55 mi) SE of Lugu (pop: 19,600)
123 km (77 mi) SE of Taichung (pop: 1,040,700)
144 km (89 mi) NE of Kaohsiung (pop: 1,519,700)
192 km (119 mi) S of Taipei (pop: 7,871,900)
Weather at epicenter at time of quake:
Few Clouds 27.5°C (82 F), humidity: 72%, wind: 6 km/h (3 kts) from NE
Primary data source: EMSC
Estimated released energy: 7.1 x 1011 joules (197 megawatt hours, equivalent to 169 tons of TNT) [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
Wed, 23 Sep 04:00 UTCM 4.7 / 32 km- 72 km S of Hualien City, TaiwanEMSC
Wed, 23 Sep 04:00 UTCM 4.3 / 25.3 km72 Km S of Hualien City, TaiwanUSGS

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake yet. If you felt it be the first to report it!

Earlier earthquakes in the same area since 1900

Light mag. 4.7 earthquake - 72 km S of Hualien City, Taiwan on Wednesday, 23 September 2020
    Hint: Click on Date/Time to show latest first
  • Date / time UTC
    | Mag |
    Depth
    |
    Age
    |
    Distance
    | Details
  • 12 Apr 1910 00:22
    | 8.1 |
    235km / 146mi
    |
    111 years ago
    |
    382km / 237mi
    | Northeast of Taiwan (Japan)
  • 15 Jun 1911 14:25
    | 7.9 |
    100km / 62mi
    |
    109 years ago
    |
    967km / 601mi
    | Northwest of the Ryukyu Islands, Japan
  • 24 Nov 1951 18:50
    | 7.8 |
    30km / 19mi
    |
    69 years ago
    |
    38km / 24mi
    | Taiwan
  • 05 Jun 1920 04:21
    | 7.8 |
    20km / 12.4mi
    |
    100 years ago
    |
    65km / 40mi
    | Taiwan
  • 16 Jul 1990 07:26
    | 7.7 |
    25km / 16mi
    |
    30 years ago
    |
    851km / 528mi
    | Luzon, Philippines
  • 10 Jun 1938 09:53
    | 7.7 |
    20km / 12.4mi
    |
    82 years ago
    |
    434km / 270mi
    | Southwestern Ryukyu Islands, Japan
  • 01 Aug 1968 20:19
    | 7.6 |
    25km / 16mi
    |
    52 years ago
    |
    781km / 486mi
    | Luzon, Philippines
  • 03 May 1998 23:30
    | 7.5 |
    33km / 21mi
    |
    23 years ago
    |
    407km / 253mi
    | Southeast of Taiwan (Japan)
  • 12 Mar 1966 16:31
    | 7.5 |
    30km / 19mi
    |
    55 years ago
    |
    143km / 89mi
    | Taiwan Region (Japan)
  • 21 Oct 1951 21:34
    | 7.5 |
    25km / 16mi
    |
    69 years ago
    |
    21km / 13mi
    | Taiwan
  • Show all

Map of earlier quakes

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