Nairobi Trembles: Understanding Earthquakes and Tremors.

An earthquake, or earth tremor, occurs when the earth’s surface shakes due to a sudden release of energy in the lithosphere, generating seismic waves. The primary distinction between earthquakes and tremors lies in their intensity.

Earthquakes can vary significantly in strength. Some are minor, barely noticeable, while others can devastate cities, causing widespread damage to infrastructure and endangering lives.

In contrast, earth tremors are typically milder, often causing minimal or no damage.

Recently, Nairobi experienced noticeable seismic activity that captured the city’s attention. On the night of Tuesday, July 16, 2024, residents reported feeling strong tremors, sparking curiosity and concern across the city.

According to global seismic monitors, a seismic event with a magnitude of 4.7 was detected near Nairobi, marking a significant occurrence for the region. This event, occurring at a shallow depth of 10 km, resulted in vibrations felt across the city and surrounding areas.

Earlier in June 2024, Nairobi had also experienced a tremor, further highlighting an uptick in seismic activity in the region.

The recent tremors prompted varied reactions from the public, ranging from fear to humor. Some residents interpreted the shaking as a profound event, reflecting on personal beliefs and societal concerns amidst the tremor’s brief but impactful presence.

Areas near the epicenter that felt light shaking included Magadi, Kajiado, Ngong, Kikuyu, Narok, Limuru, and Athi River. These locations experienced minimal disturbance compared to areas closer to the epicenter.

These seismic events are part of an observed increase in activity in the Nairobi region, prompting discussions about the city’s readiness for potential future earthquakes. While Nairobi isn’t traditionally known for frequent seismic events, recent tremors underscore the importance of preparedness in both infrastructure and public awareness.

In conclusion, the recent tremors in Nairobi serve as a reminder of the unpredictable nature of geological events and the importance of being prepared for their potential impact on urban areas.

Article By Suzy Nyongesa.