Quake status: very uncertain
It is assumed that this recording did not come from an actual earthquake as there is no officially confirmed quake that exactly matches the user reports we received of the reported event.
In most cases, this event likely reflects something else that caused the tremors, such as B. an explosion (typical of mining areas), a sonic boom, traffic, weather, or some other human or natural cause.
The first report is below:
Our surveillance service AllQuakes received reports of an earthquake in or near San Francisco, California, USA at around 6:58 am GMT. Unless at least one national or international seismological agency confirms this, their status remains unconfirmed.
May 7, 07:18 UTC: First report: VolcanoDiscovery after 20 minutes.
I felt this tremor
I didn’t feel it
Date and time: May 7, 2021 06:58:32 UTC –
Depth: 10.0 km
Latitude / Longitude of epicenter: 37.99809 ° N / 122.13518 ° W. (California, USA)
Nearest volcano: Clear Lake (121 km)
Primary data source: VolcanoDiscovery
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Data for the same earthquake reported by different authorities
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User reports for this quake (2)
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Martinez approx. (0 km WNW of the epicenter) [Map] / Moderate shaking (MMI V) / rattling, vibrating / 2-5 s : It woke me up. A strong rattle for my Ned
Home / Weak shaking (MMI III) / Rattling, vibrating / 30-60 s : I felt a slight tremor
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