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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.22 mag strikes near San Ramon in California



Earthquake location 37.7886658S, -121.9656677WA minor earthquake magnitude 3.22 (ml/mb) has occurred on Thursday, 1 kilometers (1 miles) from San Ramon in California. The 3.22-magnitude earthquake was detected at 06:10:20 / 6:10 am (local time epicenter). The earthquake occurred at a depth of 9.25 km (6 miles). Date and time of earthquake in UTC/GMT: 15/10/15 / 2015-10-15 13:10:20 / October 15, 2015 @ 1:10 pm. All ids that are associated to the event: nc72537675. Unique identifier: nc72537675. Exact location of earthquake, longitude -121.9656677 West, latitude 37.7886658 North, depth = 9.25 km.

Nearest cities/city/villages to epicentrum/hypocenter was Ben Lomond, Morgan Hill, Salida (min 5000 pop). Nearby country/countries, United States (c. 310 233 000 pop) (That might be effected). Epicenter of the earthquake was 50 km (31 miles) from San Jose (c. 945 900 pop), 40 km (25 miles) from San Francisco (c. 805 200 pop), 27 km (17 miles) from Oakland (c. 390 700 pop), 62 km (39 miles) from Stockton (c. 291 700 pop), 27 km (17 miles) from Fremont (c. 214 100 pop).

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

Did you feel it?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 1 km NE of San Ramon, California. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.22 mb The magnitude for the event.
Longitude -121.9656677° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 37.7886658° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 9.25 km Depth of the event in kilometers.
Place 1km NE of San Ramon, California Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-10-15 13:10:20 Time when the event occurred. UTC/GMT
Updated 2015-10-15 13:13:40 Time when the event was most recently updated. UTC/GMT
Timezone offset -420 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 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 160 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 68 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.07324 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.09 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 38 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 nc72537675 Id of event.
Event Code 72537675 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc72537675, A comma-separated list of event ids that are associated to an event.

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