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Minor earthquake 2.8 mag, 3 km N of East Foothills, California



Earthquake location 37.4090004S, -121.8151703WA minor earthquake magnitude 2.8 (ml/mb) strikes 3 kilometers (2 miles) from East Foothills in California on Thursday. Exact time and date of earthquake 15/09/17 / 2017-09-15 04:59:31 / September 15, 2017 @ 4:59 am UTC/GMT. The temblor was reported at 20:59:31 / 8:59 pm (local time epicenter). The earthquake occurred at a depth of -0.53 km (-0 miles) below the earth’s surface. Event id: nc72892536. Ids that are associated to the earthquake: nc72892536. Exact location, longitude -121.8151703° West, latitude 37.4090004° North, depth = -0.53 km.

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Sausalito, San Pablo, Modesto. Event epicenter was 10 km (7 miles) from San Jose (c. 945 900 pop), 67 km (42 miles) from San Francisco (c. 805 200 pop), 60 km (37 miles) from Oakland (c. 390 700 pop), 76 km (48 miles) from Stockton (c. 291 700 pop), 22 km (14 miles) from Fremont (c. 214 100 pop). Nearby country/countries, United States (c. 310 233 000 pop) (That might be effected).

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 thirty-six 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. There are an estimated 1,300,000 minor quakes in the world each year.

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, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 3 km N of East Foothills, California. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -121.8151703° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 37.4090004° North Decimal degrees latitude. Negative values for southern latitudes.
Depth -0.53 km Depth of the event in kilometers.
Place 3km N 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 2017-09-15 04:59:31 Time when the event occurred. UTC/GMT
Updated 2017-09-15 05:13:03 Time when the event was most recently updated. UTC/GMT
Timezone offset -480 Timezone offset from UTC in minutes at the event epicenter.
Felt 135 The total number of felt reports
CDI 3 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 161 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 61 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.04272 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.29 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 30 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 nc72892536 Id of event.
Event Code 72892536 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc72892536, A comma-separated list of event ids that are associated to an event.

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