Moderate mag. 4.6 earthquake - Yellow Sea, 213 km southeast of Yatou, Shandong, China, on Tuesday, 19 Jan 2021 2:21 am (GMT +8) -
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Moderate magnitude 4.6 earthquake at 11 km depth
18 Jan 18:40 UTC: First to report: GFZ after 19 minutes.
18 Jan 18:47: Hypocenter depth recalculated from 10.0 to 11.0 km (from 6.2 to 6.8 mi). Epicenter location corrected by 5.9 km (3.6 mi) towards WNW.
18 Jan 20:54: Magnitude recalculated from 4.5 to 4.6.
18 Jan 18:47: Hypocenter depth recalculated from 10.0 to 11.0 km (from 6.2 to 6.8 mi). Epicenter location corrected by 5.9 km (3.6 mi) towards WNW.
18 Jan 20:54: Magnitude recalculated from 4.5 to 4.6.
Date & time: 18 Jan 2021 18:21:29 UTC -
Local time at epicenter: Tuesday, 19 Jan 2021 2:21 am (GMT +8)
Magnitude: 4.6
Depth: 11.0 km
Epicenter latitude / longitude: 35.78°N / 124.09°E

Nearby towns and cities:
213 km (132 mi) SE of Yatou (pop: 91,500) --> See nearby quakes!
246 km (153 mi) SE of Tianfu (pop: 115,400) --> See nearby quakes!
261 km (162 mi) SE of Weihai (pop: 152,600) --> See nearby quakes!
285 km (177 mi) SE of Ninghai (pop: 56,900) --> See nearby quakes!
285 km (177 mi) ESE of Dongcun (pop: 92,300) --> See nearby quakes!
303 km (188 mi) SE of Yantai (pop: 719,300) --> See nearby quakes!
325 km (202 mi) SW of Seoul (South Korea) (pop: 10,349,300) --> See nearby quakes!
391 km (243 mi) SSW of Pyongyang (North Korea) (pop: 3,222,000) --> See nearby quakes!
412 km (256 mi) SE of Dalian (pop: 4,087,700) --> See nearby quakes!
816 km (507 mi) ESE of Bejing (pop: 11,716,600) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky
0°C (32 F), humidity: 89%, wind: 8 m/s (15 kts) from N
Primary data source: GFZ (German Research Centre for Geosciences)Clear Sky

Estimated released energy: 5 x 1011 joules (139 megawatt hours, equivalent to 120 tons of TNT) More info
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.
Magnitude | Depth | Location | Source |
M 4.6 | 11 km | Yellow Sea, China | GFZ |
M 4.6 | 12 km | 黄海海域, China | CEIC |
M 4.4 | 2 km | YELLOW SEA, China | EMSC |
M 4.4 | 16 km | 210 Km SE of Yatou, China | USGS |
User reports for this quake (69)
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Cheongju city of south korea (319.7 km ENE of epicenter) [Map] / Strong shaking (MMI VI) / complex rolling (tilting in multiple directions) / 5-10 s : I am suddenly awaked because of complex rolling shack. I can't fall asleelp again because of feeling like shacking is going on. | 2 users found this interesting.
Ghungnam, Seosan / Weak shaking (MMI III) / horizontal (sideways) swinging : It was 03:23A.M, i felt small trembling. There are no single message for this disaster. It is so weird. | 2 users found this interesting.
전라북도 (252.7 km E of epicenter) [Map] / Light shaking (MMI IV) / 5-10 s : im sleeping and my bed surdenly shaked about 6sec | 2 users found this interesting.
Yeosu, Jeollanamdo, Korea. (348.5 km ESE of epicenter) [Map] / Very weak shaking (MMI II) / single lateral shake / 1-2 s : At 3:23 a.m.(KST, GMT+9) I felt my house shaking slightly while I was using my phone. | 2 users found this interesting.
Goyang (322.4 km NE of epicenter) [Map] / Light shaking (MMI IV) / 5-10 s : I felt a little nauseous when I was lying down. And i heard a loud noise. | One user found this interesting.
nowon,seoul,South Korea (324.2 km NE of epicenter) [Map] / Light shaking (MMI IV) : i felt shaking indoor. | One user found this interesting.
Chungnam, South Korea / Light shaking (MMI IV) : I am in Chumgnam in South Korea and was woken up at around 3am by my bed and myself shaking! It was nuts.
Seoul / Very weak shaking (MMI II) : I was lying in bed half asleep. The bed began a slight sideways shaking and I detected that it was the building itself undergoing a small yet detectable sway. At that instant my bird, a cockatiel, began flying all over the place in the apartment, making little shrieks. I am on the top floor of a 5 story building.
316 km NE of epicenter [Map] / not felt
228.1 km E of epicenter [Map] / Light shaking (MMI IV) / 10-15 s
Seoul (319 km NE of epicenter) [Map] / Light shaking (MMI IV) / single lateral shake / 1-2 s
Gunsan (229 km E of epicenter) [Map] / Very weak shaking (MMI II) / 2-5 s
Goyang, South Korea (318.5 km NE of epicenter) [Map] / not felt / single vertical bump : Not felt
317 km ENE of epicenter [Map] / Very weak shaking (MMI II)
seoul (313.2 km NE of epicenter) [Map] / Weak shaking (MMI III)
234.9 km ENE of epicenter [Map] / not felt (reported through our app)
332.9 km NE of epicenter [Map] / Light shaking (MMI IV)
Seoul,Korea (311.6 km NE of epicenter) [Map] / Light shaking (MMI IV)
Gimpo (307.5 km NE of epicenter) [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging / 2-5 s
권선동 (309.7 km ENE of epicenter) [Map] / Light shaking (MMI IV) / 2-5 s
308.9 km NE of epicenter [Map] / Very weak shaking (MMI II) / single vertical bump / 2-5 s
광주광역시 서구 (261.3 km ESE of epicenter) [Map] / Very weak shaking (MMI II)
323.3 km NE of epicenter [Map] / Light shaking (MMI IV)
335 km NE of epicenter [Map] / Weak shaking (MMI III)
시흥시 (303.2 km NE of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 2-5 s
Anyang (310.4 km NE of epicenter) [Map] / Light shaking (MMI IV)
327 km NE of epicenter [Map] / Very weak shaking (MMI II)
299.3 km E of epicenter [Map] / Light shaking (MMI IV)
gwangju (263.4 km ESE of epicenter) [Map] / Weak shaking (MMI III) / single vertical bump / 5-10 s
368.9 km E of epicenter [Map] / Weak shaking (MMI III)
광주 (273.3 km ESE of epicenter) [Map] / Very weak shaking (MMI II)
gwangju (258.2 km ESE of epicenter) [Map] / Weak shaking (MMI III) / 2-5 s
340.8 km NE of epicenter [Map] / Moderate shaking (MMI V) / single lateral shake / 5-10 s
249.4 km E of epicenter [Map] / Weak shaking (MMI III) / 2-5 s
328.1 km E of epicenter [Map] / Light shaking (MMI IV)
259.5 km ESE of epicenter [Map] / Very weak shaking (MMI II) / horizontal (sideways) swinging / 1-2 s
212.7 km ESE of epicenter [Map] / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s
258.3 km ESE of epicenter [Map] / Very weak shaking (MMI II)
Haenam, South Korea (Republic of Korea) / Moderate shaking (MMI V) / rattling, vibrating / 5-10 s
daegu / Very weak shaking (MMI II) / rattling, vibrating / very short
Seoul / not felt
Yong in S. Korea / Very weak shaking (MMI II) / 2-5 s
Goyang / Light shaking (MMI IV) / 2-5 s
Gimhae, Gyeongsangnam-do / Very weak shaking (MMI II)
seoul / Very weak shaking (MMI II) / very short
Mokpo / Light shaking (MMI IV) / horizontal (sideways) swinging / 5-10 s
Incheon korea / Very weak shaking (MMI II)
Seoul / Moderate shaking (MMI V) / horizontal (sideways) swinging
대전 / Weak shaking (MMI III) / horizontal (sideways) swinging / 1-2 s
Gwangu / Weak shaking (MMI III)
South Korea, Jeonju / Very weak shaking (MMI II) / single lateral shake / 1-2 s
CheongJu / not felt
seoul, korea / Weak shaking (MMI III) / horizontal (sideways) swinging / 5-10 s
Daejeon / Light shaking (MMI IV) / single vertical bump / 2-5 s
seoul / Weak shaking (MMI III)
ansan / Weak shaking (MMI III) / horizontal (sideways) swinging / 2-5 s
Seoul / Light shaking (MMI IV)
south korea , suwon / Weak shaking (MMI III) / rattling, vibrating / 5-10 s
Suwon / Very weak shaking (MMI II)
Seoul / Light shaking (MMI IV)
Gunsan / Very weak shaking (MMI II) / 1-2 s
Seoul / Light shaking (MMI IV) / horizontal (sideways) swinging / 5-10 s
Incheon / Light shaking (MMI IV) / vertical swinging (up and down) / 5-10 s
수원시 / Light shaking (MMI IV) / 5-10 s
Mokpo / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s
Seoul / Moderate shaking (MMI V) / rattling, vibrating / 2-5 s
Asan / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s
Incheon / Light shaking (MMI IV) / single lateral shake / 5-10 s
Seoul / Very weak shaking (MMI II) / 1-2 s
Earlier earthquakes in the same area since 1900
- Date / time UTC| Mag |Depth|Age|Distance| Details
- 22 Aug 1932 11:12| 6.3 |10km / 6.2mi|89 years ago|209km / 130mi| Yellow Sea, 1 km SE of Dongcun, Shandong, China
- 25 Jul 1994 17:41| 5.2 |10km / 6.2mi|27 years ago|91km / 57mi| Yellow Sea, 179 km W of Mokpo, Jeollanam-do, South Korea
- 06 Oct 1976 01:01| 5.2 |33km / 21mi|44 years ago|57km / 35mi| Yellow Sea, 201 km W of Muan, Jeollanam-do, South Korea
- 31 Mar 2014 19:48| 5.0 |15.9km / 9.9mi|7 years ago|136km / 84mi| Yellow Sea, 229 km W of Seoul, South Korea
- 20 Apr 2013 23:21| 4.8 |15km / 9.3mi|8 years ago|64km / 40mi| Yellow Sea, 342 km SW of Seoul, South Korea
- 22 Mar 2003 20:38| 4.8 |10km / 6.2mi|18 years ago|86km / 53mi| Yellow Sea, 183 km W of Mokpo, Jeollanam-do, South Korea
- 03 Nov 1992 17:31| 4.8 |10km / 6.2mi|28 years ago|87km / 54mi| Yellow Sea, 265 km SE of Weihai, Shandong, China
- 10 Aug 2002 12:47| 4.5 |10km / 6.2mi|19 years ago|89km / 56mi| Yellow Sea, 261 km SE of Weihai, Shandong, China
- 25 Mar 2009 04:14| 4.2 |10km / 6.2mi|12 years ago|120km / 74mi| Yellow Sea, 95 km SE of Yatou, Shandong, China
- 31 Jan 1991 00:08| 4.1 |33km / 21mi|30 years ago|103km / 64mi| Yellow Sea, 108 km W of Modeste Island, Jeollanam-do, South Korea
- 12 May 2019 22:25| 3.0 |8km / 5mi|1 year 41 weeks ago|87km / 54mi| Yellow Sea, 126 km SE of Yatou, Shandong, China
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