| Date | Magnitude | Depth | Location | Impact |
|---|---|---|---|---|
| July 16, 2024 | 4.6 | 10 km | 87 km from Nairobi | Tremors reported in Kitengela, Ruaka, Westlands, and Isinya |
Introduction
On Tuesday evening, July 16, 2024, a magnitude 4.6 earthquake struck the outskirts of Nairobi, Kenya, causing widespread panic and concern among residents. This recent seismic activity highlights the importance of understanding earthquakes and their potential impacts on communities.
The Recent Earthquake
The earthquake, which occurred at 8:32 pm local time, had a shallow depth of 10 kilometers, making it feel more intense near the epicenter. The tremors were reported in various areas, including Kitengela, Ruaka, Westlands, and Isinya, with some residents describing the experience as intense and frightening.
Historical Context
Kenya is not new to earthquakes. In the past 10 years, the country has experienced 29 earthquakes with a magnitude of four or above within a 300-kilometer radius. The strongest recent quake occurred on May 3, 2020, with a magnitude of 5 and a depth of 10 kilometers. Historically, the strongest earthquake in Kenya was a 6.7 magnitude quake that struck on January 6, 1928.
Seismic Activity in the Region
The Kenya Rift Valley and the Kavirondo (Nyanza) Rift are the most seismically active areas in Kenya, with earthquakes typically ranging from local magnitudes (Ml) of 2.0 to 5.0. However, larger magnitude earthquakes of Ml ≥ 6.0 have occurred in the region, such as the 1928 Subukia earthquake (Ml 7.1) and its Ml 6.2 aftershock, as well as a Ml 6.2 earthquake in the Turkana region in 1913.
Understanding Earthquakes
Earthquakes result from the movement of tectonic plates over extended periods. Shallow earthquakes, like the recent one in Nairobi, tend to have a more pronounced impact compared to deeper ones, potentially causing objects to fall, windows to break, and other damages. Understanding earthquakes and their occurrences is crucial, as thousands happen worldwide daily, ranging from imperceptible ones to destructive ones capable of devastating towns and cities.
Conclusion
The recent earthquake in Nairobi serves as a reminder of the importance of preparedness and understanding seismic activities to mitigate risks and ensure the safety of communities. As Kenya continues to experience seismic activity, it is essential for residents to stay informed and take necessary precautions to minimize the impact of such events.
