A 3.9 magnitude earthquake struck near Lake Elsinore, California, on Thursday morning at 9:39 a.m., according to the U.S. Geological Survey (USGS). The earthquake’s depth was approximately 5.4 miles. A 3.0 magnitude aftershock followed about a minute after the initial quake.
The USGS reported shaking felt in various Southern California cities, including Whittier, Pasadena, Riverside, Menifee, Irvine, La Verne, San Dimas, and Lake Forest. There were no immediate reports of damage or injuries.
While predicting earthquakes remains challenging, residents can receive alerts seconds before they hit by utilizing available resources:
- Government Emergency Alerts: Free text messages are sent for earthquakes magnitude 5.0 or higher.
- MyShake App: This free smartphone app (available for iPhone and Android) provides audio and visual warnings for earthquakes magnitude 4.5 and above.
- Android Earthquake Alerts: Android users with updated operating systems are automatically enrolled in Android Earthquake Alerts.
During an earthquake, protective measures are crucial:
- Drop, Cover, and Hold On: Drop to the ground, take cover under a sturdy object, and hold on until the shaking stops.
- Avoid Doorways: Contrary to popular belief, doorways are not safe.
- Stay Away from Glass: Keep away from windows and mirrors to avoid potential injury from shattered glass.
- If Unable to Drop: If you can’t get to the ground, cover your head with your arms and remain in place.
Staying informed about earthquake preparedness and safety procedures is vital for residents in earthquake-prone areas like Lake Elsinore and Southern California. Knowing what to do before, during, and after an earthquake can significantly reduce the risk of injury and property damage.
