August 20, 2025

Greenwood County, South Carolina Experiences Minor Earthquakes

Greenwood County, South Carolina, August 20, 2025

News Summary

Greenwood County, SC, was shaken by two minor earthquakes recently. The first, with a magnitude of 2.2, occurred late at night, followed by a second quake of magnitude 1.7 early the next morning. Both earthquakes were shallow, causing no injuries or significant damage. This marks the 13th and 14th seismic events in South Carolina for the year, highlighting ongoing geological activity in the region. Residents are encouraged to review their earthquake preparedness and insurance policies.

Greenwood County, South Carolina Experiences Minor Earthquakes

Greenwood County, South Carolina, was shaken by two minor earthquakes late on Monday, August 18, 2025, and early Tuesday, August 19, 2025. The first quake registered a magnitude of 2.2 and occurred at approximately 11:30 p.m. near the Old Laurens Road bridge over the Saluda River, situated about 2.4 miles north-northwest of Coronaca. The second earthquake, measuring 1.7 in magnitude, struck at around 3:00 a.m., 3.1 miles southeast of Coronaca.

Both earthquakes were identified as shallow, occurring at depths less than 0.2 miles, specifically ranging from about 2.5 to over 3 miles beneath the earth’s surface. Fortunately, no injuries or significant damage were reported as a result of these seismic events. Emergency officials assessed that the earthquakes were not likely to have caused any lasting impact on the community.

Recent Seismic Activity in the Region

These tremors marked the 13th and 14th confirmed seismic events in South Carolina for the year 2025. The most recent prior quake in the state took place on August 9, 2025, which registered a magnitude of 1.75 in the Myrtle Beach area. In fact, the Coronaca region had previously experienced a notable cluster of nine earthquakes within just six days in October 2024.

Overall, South Carolina recorded a total of 30 earthquakes in 2024 and 28 in 2023. The Midlands area of the state has been particularly active, with Kershaw County alone reporting 69 earthquakes since June 2022. According to historical records, South Carolina’s most powerful earthquake occurred in Charleston in 1886, where it registered 7.3 on the Richter scale, leading to extensive destruction and loss of life.

Context of Earthquake Frequency

Typically, South Carolina experiences between six and ten earthquakes each year. Since January 18, 2021, 161 earthquakes have been detected in the state, highlighting an ongoing trend of seismic activity. In line with the Modified Mercalli Intensity Scale, the South Carolina Emergency Management Division classified the recent earthquakes as microquakes. Earthquakes of this magnitude, particularly those measuring 2.5 or less, often go unnoticed by residents, as they generally only register on seismographs.

Safety Precautions and Recommendations

In light of these recent tremors, emergency officials have urged residents to review their earthquake insurance policies as a precautionary measure. It is advisable for individuals to take necessary steps to prepare their homes against potential tremors in the future. While the incidents are not a cause for major concern, being informed and ready is wise in any seismic-prone area.

Summary

The minor earthquakes in Greenwood County, SC, serve as a reminder of the constant geological activity in the region. With proper preparations and awareness, residents can mitigate potential risks associated with future seismic events.

Frequently Asked Questions (FAQ)

What were the magnitudes of the recent earthquakes in Greenwood County?

The first earthquake had a magnitude of 2.2 and the second measured 1.7.

Were there any injuries or damages reported due to these earthquakes?

No injuries or significant damages were reported from the recent earthquakes.

How often do earthquakes occur in South Carolina?

Typically, South Carolina experiences between six and ten earthquakes each year.

What precautions should residents take after these earthquakes?

Residents are advised to review their earthquake insurance policies and take necessary precautions for potential future tremors.

Key Features of Recent Earthquakes

Detail	Information
First Earthquake	Magnitude: 2.2, Time: 11:30 PM, Date: August 18, 2025
Second Earthquake	Magnitude: 1.7, Time: 3:00 AM, Date: August 19, 2025
Location	Near Coronaca, Greenwood County, SC
Depth	Less than 0.2 miles
Total Earthquakes in 2025	14 Confirmed Events
Last Earthquake Prior	Myrtle Beach Area, Magnitude 1.75 on August 9, 2025
Previous Earthquakes	30 in 2024, 28 in 2023