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Minor earthquake: M3.29 quake has struck near Tamalpais-Homestead Valley in California

Posted by admin on August 9, 2015 0 Comments

A minor earthquake magnitude 3.29 (ml/mb) strikes 11 kilometers (7 miles) from Tamalpais-Homestead Valley in California on Sunday. Exact location of earthquake, -122.5934982° West, 37.7868347° North, depth 11.14 km. The earthquake occurred at a depth of 11.14 km (7 miles). Event id: nc72503636. Ids that are associated to the earthquake: nc72503636. Exact time and date of event in UTC/GMT: 09/08/15 / 2015-08-09 20:26:10 / August 9, 2015 @ 8:26 pm. The temblor was picked up at 13:26:10 / 1:26 pm (local time epicenter).

Earthquake epicenter was 79 km (49 miles) from San Jose (c. 945 900 pop), 15 km (10 miles) from San Francisco (c. 805 200 pop), 28 km (18 miles) from Oakland (c. 390 700 pop), 59 km (37 miles) from Fremont (c. 214 100 pop), 73 km (46 miles) from Santa Rosa (c. 167 800 pop). Nearest cities/city/towns to hypocenter/epicentrum was Larkfield-Wikiup, Oakley, Saint Helena (min 5000 pop). Country/countries that might be effected, United States (c. 310 233 000 pop).

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

Questions or comments?

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: 11 km SSW of Tamalpais-Homestead Valley, California.

More information

Parameter	Value	Description
Magnitude	3.29 mb	The magnitude for the event.
Longitude	-122.5934982° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	37.7868347° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	11.14 km	Depth of the event in kilometers.
Place	11km SSW of Tamalpais-Homestead Valley, California	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2015-08-09 20:26:10	Time when the event occurred. UTC/GMT
Updated	2015-08-09 20:34:37	Time when the event was most recently updated. UTC/GMT
Timezone offset	-420	Timezone offset from UTC in minutes at the event epicenter.
Felt	184	The total number of felt reports
CDI	3.6	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	233	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	67	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.09429	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.06 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	95	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	nc72503636	Id of event.
Event Code	72503636	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,nc72503636,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake: M3.29 quake has struck near Tamalpais-Homestead Valley in California

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