Minor earthquake, 2.91 mag was detected near Parkfield in CA

A minor earthquake magnitude 2.91 (ml/mb) strikes 6 kilometers (4 miles) from Parkfield in CA on Saturday. All ids that are associated to the event: nc73357095. Unique identifier: nc73357095. Exact location of earthquake, longitude -120.3971634 West, latitude 35.8538322 North, depth = 4.51 km. The earthquake was roughly at a depth of 4.51 km (3 miles). The temblor was reported at 15:46:55 / 3:46 pm (local time epicenter). Exact time and date of event in UTC/GMT: 21/03/20 / 2020-03-21 23:46:55 / March 21, 2020 @ 11:46 pm.

Country/countries that might be effected, United States (c. 310 233 000 pop). Event epicenter was 68 km (42 miles) from San Luis Obispo (c. 45 100 pop), 47 km (29 miles) from Atascadero (c. 28 300 pop), 37 km (23 miles) from Paso Robles (c. 27 200 pop), 74 km (46 miles) from Lemoore (c. 24 500 pop), 29 km (18 miles) from Avenal (c. 15 500 pop). Nearest cities/city/towns to hypocenter/epicentrum was King City, Lemoore, Los Osos (min 5000 pop).

There are an estimated 130,000 minor earthquakes in the world each year. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days three and in the last 365 days thirty-four earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

How would you describe the shaking?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 6 km SSE of Parkfield, CA.

More information

Parameter	Value	Description
Magnitude	2.91 mb	The magnitude for the event.
Longitude	-120.3971634° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	35.8538322° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	4.51 km	Depth of the event in kilometers.
Place	6km SSE of Parkfield, CA	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2020-03-21 23:46:55	Time when the event occurred. UTC/GMT
Updated	2020-03-21 23:52:03	Time when the event was most recently updated. UTC/GMT
Timezone offset	-480	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	130	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	49	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.02798	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.08 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	79	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	nc73357095	Id of event.
Event Code	73357095	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,nc73357095,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 2.91 mag was detected near Parkfield in CA

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