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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.11 mag strikes near Rio Vista in California

Earthquake location 38.1015015S, -121.6604996WA minor earthquake with magnitude 3.11 (ml/mb) was reported 6 kilometers (4 miles) from Rio Vista in California on Tuesday. Unique identifier: nc72924580. Ids that are associated to the event: nc72924580. Global time and date of event 15/11/17 / 2017-11-15 04:48:25 / November 15, 2017 @ 4:48 am UTC/GMT. The earthquake occurred at a depth of 6.21 km (4 miles) below the earth’s surface. The temblor was detected at 20:48:25 / 8:48 pm (local time epicenter). Exact location, longitude -121.6604996° West, latitude 38.1015015° North, depth = 6.21 km.

Nearest cities/city/villages to epicentrum/hypocenter was Lucas Valley-Marinwood, Kentfield, San Anselmo (min 5000 pop). Country/countries that might be effected, United States (c. 310 233 000 pop). The epicenter was 76 km (47 miles) from San Francisco (c. 805 200 pop), 55 km (34 miles) from Sacramento (c. 466 500 pop), 63 km (39 miles) from Oakland (c. 390 700 pop), 36 km (22 miles) from Stockton (c. 291 700 pop), 68 km (42 miles) from Fremont (c. 214 100 pop).

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

Did you feel anything?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 6 km SSE of Rio Vista, California. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.11 mb The magnitude for the event.
Longitude -121.6604996° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 38.1015015° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 6.21 km Depth of the event in kilometers.
Place 6km SSE of Rio Vista, California Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-11-15 04:48:25 Time when the event occurred. UTC/GMT
Updated 2017-11-15 04:54:01 Time when the event was most recently updated. UTC/GMT
Timezone offset -480 Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 2 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 149 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 40 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.07904 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.36 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 122 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 nc72924580 Id of event.
Event Code 72924580 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc72924580, A comma-separated list of event ids that are associated to an event.

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