Hong Kong Residents Report Tremors from Guangdong Earthquake

On Friday afternoon, a 4.0-magnitude earthquake struck Yangjiang, Guangdong province, at 2:28 PM, approximately 260 kilometers (161.6 miles) west-southwest of Hong Kong. The Hong Kong Observatory (HKO) confirmed that it received over 100 reports from residents who felt tremors associated with the earthquake. The epicenter was located near coordinates 21.75N, 111.77E, with a focal depth of about 11 kilometers. The tremors lasted for a few seconds, and the initial intensity was rated at III on the Modified Mercalli Intensity Scale, indicating that the vibrations were felt indoors, particularly by those on upper floors of buildings.

More than 100 HK residents report tremors after 4.0 quake in GuangdongSouth China Morning Post

Since the HKO began recording locally felt tremors in 1905, it has documented a total of 176 earthquakes of varying intensities. The recent earthquake follows a similar event on January 10, 2022, when residents in parts of Hong Kong reported feeling tremors from a 4.2-magnitude earthquake that occurred in the sea south of Shanwei, Guangdong.

More than 100 HK residents report tremors after 4.0 quake in GuangdongSouth China Morning Post

The Hong Kong Observatory promptly announced the detection of the tremors, stating, “The Observatory received over a hundred locally felt reports of this earth tremor, the duration of which was a few seconds.” The agency's analysis confirmed the earthquake's magnitude and location, providing reassurance to the public regarding the nature of the seismic activity.

South China Morning PostMore than 100 HK residents report tremors after 4.0 quake in Guangdong

While the HKO's response has been largely factual, some residents expressed concerns about the frequency of tremors felt in Hong Kong, questioning the preparedness of local infrastructure to handle potential future seismic events. There is an ongoing dialogue among experts regarding the adequacy of building codes and emergency response protocols in the region.

More than 100 HK residents report tremors after 4.0 quake in Guangdong

There are no significant discrepancies in the reports regarding the earthquake's magnitude or impact. However, the HKO's historical data on tremors indicates a pattern of seismic activity in the region, which may warrant further investigation into the geological stability of areas surrounding Hong Kong.

More than 100 HK residents report tremors after 4.0 quake in Guangdong

In light of the recent tremors, the Hong Kong Observatory may conduct further assessments to monitor seismic activity in the region. Residents are encouraged to stay informed about safety protocols and emergency preparedness in the event of future earthquakes.

South China Morning Post

“The epicentre is located near 21.75N, 111.77E, about 22km southwest of Yangjiang,” — Hong Kong Observatory

South China Morning Post

“The Observatory received over 100 locally felt reports of this earth tremor, the duration of which was a few seconds.” — Hong Kong Observatory

South China Morning Post

“Initial estimates gave a local intensity of [three] on the Modified Mercalli intensity scale, which is felt indoors.” — Hong Kong Observatory

South China Morning Post