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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake 3.18 mag, 1 km ENE of San Ramon, California



Earthquake location 37.7843323S, -121.9648361WA minor earthquake with magnitude 3.18 (ml/mb) was reported 1 kilometers (1 miles) from San Ramon in California on Saturday. The epicenter was at a depth of 8.54 km (5 miles). Exact location of earthquake, -121.9648361° West, 37.7843323° North, depth 8.54 km. Global date and time of event UTC/GMT: 24/10/15 / 2015-10-24 07:43:46 / October 24, 2015 @ 7:43 am. The temblor was picked up at 00:43:46 / 12:43 am (local time epicenter). Unique identifier: nc72542915. Ids that are associated to the event: nc72542915.

Nearest cities/city/towns to hypocenter/epicentrum was Galt, Ben Lomond, Salida (min 5000 pop). Nearby country/countries that might be effected, United States (c. 310 233 000 pop). The epicenter 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), 26 km (16 miles) from Fremont (c. 214 100 pop).

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

How would you describe the shaking?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home 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: 1 km ENE of San Ramon, California.

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More information

Parameter Value Description
Magnitude 3.18 mb The magnitude for the event.
Longitude -121.9648361° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 37.7843323° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 8.54 km Depth of the event in kilometers.
Place 1km ENE 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 2015-10-24 07:43:46 Time when the event occurred. UTC/GMT
Updated 2015-10-24 07:53:30 Time when the event was most recently updated. UTC/GMT
Timezone offset -420 Timezone offset from UTC in minutes at the event epicenter.
Felt 111 The total number of felt reports
CDI 3.3 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 192 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 60 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.07757 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.12 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 54 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 nc72542915 Id of event.
Event Code 72542915 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc72542915, A comma-separated list of event ids that are associated to an event.

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