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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake 2.9 mag, 7 km SW of Napa, CA

Earthquake location 38.2444992S, -122.3379974WA minor earthquake with magnitude 2.9 (ml/mb) was detected on Friday, 7 kilometers (4 miles) from Napa in CA. Global date and time of event UTC/GMT: 21/08/20 / 2020-08-21 00:05:49 / August 21, 2020 @ 12:05 am. Event ids that are associated to the earthquake: nc73447536. Id of event: nc73447536. The 2.9-magnitude earthquake was detected at 00:05:49 / 12:05 am (local time epicenter). Exact location of event, longitude -122.3379974 West, latitude 38.2444992 North, depth = -0.25 km. The earthquake occurred at a depth of -0.25 km (-0 miles) below the earth’s surface.

Nearby country/countries that might be effected, United States (c. 310 233 000 pop). Epicenter of the earthquake was 53 km (33 miles) from San Francisco (c. 805 200 pop), 49 km (31 miles) from Oakland (c. 390 700 pop), 39 km (24 miles) from Santa Rosa (c. 167 800 pop), 68 km (42 miles) from Hayward (c. 144 200 pop), 40 km (25 miles) from Concord (c. 122 100 pop). Nearest cities/city/towns to hypocenter/epicentrum was Foster City, Pleasanton, San Mateo (min 5000 pop).

Every year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been 0, in the last 10 days three, in the past 30 days four and in the last 365 days twenty-nine earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

Did you feel the quake?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 7 km SW of Napa, CA. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude -122.3379974° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 38.2444992° North Decimal degrees latitude. Negative values for southern latitudes.
Depth -0.25 km Depth of the event in kilometers.
Place 7km SW of Napa, CA Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-08-21 00:05:49 Time when the event occurred. UTC/GMT
Updated 2020-08-21 00:07:31 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 129 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 9 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.4806 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.39 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 157 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 nc73447536 Id of event.
Event Code 73447536 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc73447536, A comma-separated list of event ids that are associated to an event.

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