Minor earthquake, 3.43 mag was detected near Milpitas in CA

A minor earthquake with magnitude 3.43 (ml/mb) was reported 10 kilometers (6 miles) from Milpitas in CA on Monday. Unique identifier: nc73463746. Ids that are associated to the event: nc73463746. The temblor was picked up at 05:16:36 / 5:16 am (local time epicenter). Global time and date of event 28/09/20 / 2020-09-28 05:16:36 / September 28, 2020 @ 5:16 am UTC/GMT. The epicenter was at a depth of 4.43 km (3 miles). Exact location, longitude -121.8266678° West, latitude 37.4910011° North, depth = 4.43 km.

Epicenter of the event was 18 km (11 miles) from San Jose (c. 945 900 pop), 61 km (38 miles) from San Francisco (c. 805 200 pop), 52 km (33 miles) from Oakland (c. 390 700 pop), 70 km (44 miles) from Stockton (c. 291 700 pop), 16 km (10 miles) from Fremont (c. 214 100 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Riverbank, Kentfield, San Rafael. Country/countries that might be effected, United States (c. 310 233 000 pop).

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

Did you feel the quake?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 10 km NE of Milpitas, CA. This information comes from the USGS Earthquake Notification Service.

CA Fremont Kentfield Milpitas Oakland Riverbank San Francisco San Jose San Rafael Stockton United States

More information

Parameter	Value	Description
Magnitude	3.43 mb	The magnitude for the event.
Longitude	-121.8266678° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	37.4910011° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	4.43 km	Depth of the event in kilometers.
Place	10km NE of Milpitas, CA	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2020-09-28 05:16:36	Time when the event occurred. UTC/GMT
Updated	2020-09-28 05:22:03	Time when the event was most recently updated. UTC/GMT
Timezone offset		Timezone offset from UTC in minutes at the event epicenter.
Felt	21	The total number of felt reports
CDI	2.8	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	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	187	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	78	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.04229	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	29	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	nc73463746	Id of event.
Event Code	73463746	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,nc73463746,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.43 mag was detected near Milpitas in CA

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