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Minor earthquake, 2.8 mag was detected near Yosemite Valley in CA

Earthquake location 37.654335S, -119.3993301WA minor earthquake magnitude 2.8 (ml/mb) has struck on Friday, 18 kilometers (11 miles) from Yosemite Valley in CA. The epicenter of the earthquake was roughly 13.63 km (8 miles) below the earth’s surface. Unique identifier: nc73476341. Ids that are associated to the event: nc73476341. Exact location of event, longitude -119.3993301 West, latitude 37.654335 North, depth = 13.63 km. The temblor was reported at 08:02:45 / 8:02 am (local time epicenter). Global time and date of event 30/10/20 / 2020-10-30 08:02:45 / October 30, 2020 @ 8:02 am UTC/GMT.

Close country/countries that might be effected, United States (c. 310 233 000 pop). Event epicenter was 38 km (23 miles) from Mammoth Lakes (c. 8 200 pop). Nearest cities/city/villages to epicentrum/hypocenter was Mammoth Lakes (min 5000 pop).

Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. There are an estimated 1,300,000 minor quakes in the world each year. In the past 24 hours, there have been 0, in the last 10 days 0, in the past 30 days one and in the last 365 days ninety earthquakes of magnitude 3.0 or greater that have been detected nearby.

Did you feel it?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 18 km ESE of Yosemite Valley, CA.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -119.3993301° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 37.654335° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 13.63 km Depth of the event in kilometers.
Place 18km ESE of Yosemite Valley, CA Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-10-30 08:02:45 Time when the event occurred. UTC/GMT
Updated 2020-10-30 08:07:04 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt The total number of felt reports
CDI The maximum reported intensity for the event.
MMI The maximum estimated instrumental intensity for the event.
Alert Level The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.
Review Status automatic Indicates whether the event has been reviewed by a human.
Tsunami 0 This flag is set to "1" for large events in oceanic regions and "0" otherwise. The existence or value of this flag does not indicate if a tsunami actually did or will exist.
SIG 121 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network nc The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,nc, A comma-separated list of network contributors.
Number of Stations Used 14 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.255 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.1 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 165 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type md The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID nc73476341 Id of event.
Event Code 73476341 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc73476341, A comma-separated list of event ids that are associated to an event.

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