Minor earthquake, 2.99 mag strikes near Bootjack in CA

A minor earthquake magnitude 2.99 (ml/mb) strikes 14 kilometers (9 miles) from Bootjack in CA on Wednesday. The earthquake occurred at a depth of 4.08 km (3 miles). The 2.99-magnitude earthquake was detected at 02:10:14 / 2:10 am (local time epicenter). Event id: nc72973141. Ids that are associated to the earthquake: nc72973141. Global date and time of event UTC/GMT: 21/02/18 / 2018-02-21 10:10:14 / February 21, 2018 @ 10:10 am. Exact location, longitude -119.9258347° West, latitude 37.3388329° North, depth = 4.08 km.

The epicenter was 67 km (42 miles) from Fresno (c. 494 700 pop), 60 km (38 miles) from Clovis (c. 95 600 pop), 49 km (31 miles) from Merced (c. 79 000 pop), 44 km (27 miles) from Madera (c. 61 400 pop), 60 km (38 miles) from Atwater (c. 28 200 pop). Nearby country/countries that might be effected, United States (c. 310 233 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Sanger, Mendota, Delhi (min 5000 pop).

Each year there are an estimated 130,000 minor quakes in the world. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days one and in the last 365 days twenty-nine earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

Did you feel the quake?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home 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: 14 km SSW of Bootjack, CA.

More information

Parameter	Value	Description
Magnitude	2.99 mb	The magnitude for the event.
Longitude	-119.9258347° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	37.3388329° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	4.08 km	Depth of the event in kilometers.
Place	14km SSW of Bootjack, CA	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2018-02-21 10:10:14	Time when the event occurred. UTC/GMT
Updated	2018-02-21 10:14:54	Time when the event was most recently updated. UTC/GMT
Timezone offset	-480	Timezone offset from UTC in minutes at the event epicenter.
Felt	1	The total number of felt reports
CDI	2.2	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	138	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	60	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.2507	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.3 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	53	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	nc72973141	Id of event.
Event Code	72973141	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,nc72973141,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 2.99 mag strikes near Bootjack in CA

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