Quake status: highly uncertain
This record is considered not to be from an actual earthquake, because there is no officially confirmed quake that matches the user reports we received of the reported event closely enough.
In most cases, this event likely reflects something else that caused shaking, such as an explosion (typical for mining areas), a sonic boom, traffic, weather, or some other human or natural cause.
The initial report is below:
Our monitoring service AllQuakes received reports of an earthquake in or near Near Riverside, California, USA at around 10:26 GMT. Unless confirmed by at least one national or international seismological agency, its status remains unconfirmed.
9 May 10:34 UTC: First to report: VolcanoDiscovery after 8 minutes.
Also if you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable also to earthquake science and earthquake hazard analysis and mitigation efforts. You can use your device location or the map to indicate where you were during the earthquake. Thank you!
Data for the same earthquake reported by different agencies
Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are…