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Minor earthquake, 2.85 mag has occurred near East Foothills in California



Earthquake location 37.4173317S, -121.765831WA minor earthquake magnitude 2.85 (ml/mb) has occurred on Tuesday, 6 kilometers (4 miles) from East Foothills in California. The earthquake occurred at a depth of 7.04 km (4 miles) below the earth’s surface. The temblor was detected at 04:14:09 / 4:14 am (local time epicenter). Exact location of event, longitude -121.765831 West, latitude 37.4173317 North, depth = 7.04 km. Event ids that are associated to the earthquake: nc72784361. Id of event: nc72784361. Exact time and date of earthquake 04/04/17 / 2017-04-04 12:14:09 / April 4, 2017 @ 12:14 pm UTC/GMT.

Close country/countries that might be effected, United States (c. 310 233 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Richmond, Garden Acres, Keyes (min 5000 pop). Earthquake epicenter was 14 km (9 miles) from San Jose (c. 945 900 pop), 70 km (43 miles) from San Francisco (c. 805 200 pop), 62 km (38 miles) from Oakland (c. 390 700 pop), 73 km (45 miles) from Stockton (c. 291 700 pop), 24 km (15 miles) from Fremont (c. 214 100 pop).

In the past 24 hours, there have been 0, in the last 10 days four, in the past 30 days nine and in the last 365 days fifty-two earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. Each year there are an estimated 1,300,000 minor quakes in the world.

Did you feel it?

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. 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: 6 km NE of East Foothills, California.

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More information

Parameter Value Description
Magnitude 2.85 mb The magnitude for the event.
Longitude -121.765831° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 37.4173317° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 7.04 km Depth of the event in kilometers.
Place 6km NE of East Foothills, California Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-04-04 12:14:09 Time when the event occurred. UTC/GMT
Updated 2017-04-04 12:19:29 Time when the event was most recently updated. UTC/GMT
Timezone offset -480 Timezone offset from UTC in minutes at the event epicenter.
Felt 3 The total number of felt reports
CDI 3.8 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 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 126 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 76 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.04292 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.05 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 66 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 nc72784361 Id of event.
Event Code 72784361 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc72784361, A comma-separated list of event ids that are associated to an event.

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