Minor earthquake, 3.45 mag strikes near Blackhawk in CA

A minor earthquake magnitude 3.45 (ml/mb) has struck on Tuesday, 12 kilometers (7 miles) from Blackhawk in CA. The earthquake occurred at a depth of 11.09 km (7 miles). The temblor was reported at 12:24:16 / 12:24 pm (local time epicenter). Global time and date of event 16/07/19 / 2019-07-16 20:24:16 / July 16, 2019 @ 8:24 pm UTC/GMT. Exact location of earthquake, -121.7693329° West, 37.8154984° North, depth 11.09 km. All ids that are associated to the event: nc73225436. Unique identifier: nc73225436.

Epicenter of the event was 54 km (34 miles) from San Jose (c. 945 900 pop), 57 km (36 miles) from San Francisco (c. 805 200 pop), 44 km (27 miles) from Oakland (c. 390 700 pop), 45 km (28 miles) from Stockton (c. 291 700 pop), 35 km (22 miles) from Fremont (c. 214 100 pop). Close country/countries that might be effected, United States (c. 310 233 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Boyes Hot Springs, Hughson, San Martin (min 5000 pop).

Every year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been three, in the last 10 days three, in the past 30 days four and in the last 365 days twenty-one 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.

Did you feel the quake?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 12 km E of Blackhawk, CA.

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Parameter	Value	Description
Magnitude	3.45 mb	The magnitude for the event.
Longitude	-121.7693329° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	37.8154984° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	11.09 km	Depth of the event in kilometers.
Place	12km E of Blackhawk, CA	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2019-07-16 20:24:16	Time when the event occurred. UTC/GMT
Updated	2019-07-16 20:31:18	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	4.11	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	reviewed	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	183	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	62	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance		Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.13 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	101	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	ml	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	nc73225436	Id of event.
Event Code	73225436	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,nc73225436,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.45 mag strikes near Blackhawk in CA

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