Earthquake Details

Sinan, South Korea 4.6m Earthquake, Saturday Aug. 21 2021, 9:40:43 AM

Sinan, South Korea Earthquake

The USGS has reported a 4.6 magnitude earthquake has struck 173 km NW of Sinan, South Korea on Aug. 21 2021, 9:40:43 AM, at a depth of 10 km. There were no significant injuries or damage reported at this point, Friendly Forecast will update this report as events unfold.

Did you feel it?

10 others have felt the Sinan, South Korea earthquake and have since reported it. See below for the response locations and intensities.

Community Internet Intensity Map for the Sinan, South Korea 4.6m Earthquake, Saturday Aug. 21 2021, 9:40:43 AM
Community Internet Intensity Map

Responses Location Shaking Distance
1 Hitachi, Hitachi, Ibaraki, Japan WEAK 1444 km
1 Kunsan, Kunsan, Chollabuk, Korea (South) STRONG 189 km
1 Mokpo, Mokpo, Chollanam, Korea (South) LIGHT 195 km
2 Yonggwang, Yonggwang, Chollanam, Korea (South) LIGHT 180 km
1 Taech'on, Taech'on, Chungchŏngnam, Korea (South) LIGHT 188 km
1 Taean, Taean, Chungchŏngnam, Korea (South) MODERATE 183 km
1 Euijeongbu, Euijeongbu, Kyŏnggi, Korea (South) NO 303 km
1 Pusan, Pusan, Pusan, Korea (South) LIGHT 407 km

Did you feel the 4.6 Sinan, South Korea earthquake? If you felt the quake you can report it here to the USGS.

Other Imagery and Data

GEO Community Internet Intensity Map for the Sinan, South Korea 4.6m Earthquake, Saturday Aug. 21 2021, 9:40:43 AM
GEO Community Internet Intensity Map

Intensity vs Distance Plot for the Sinan, South Korea 4.6m Earthquake, Saturday Aug. 21 2021, 9:40:43 AM
Intensity vs Distance Plot

Responses vs Time Plot for the Sinan, South Korea 4.6m Earthquake, Saturday Aug. 21 2021, 9:40:43 AM
Responses vs Time Plot


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