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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake 3.28 mag, 21 km NNW of Boonville, CA

Earthquake location 39.1855011S, -123.4574966WA minor earthquake magnitude 3.28 (ml/mb) has occurred on Thursday, 21 kilometers (13 miles) from Boonville in CA. The earthquake occurred at a depth of 3.92 km (2 miles) below the earth’s surface. Exact location of earthquake, -123.4574966° West, 39.1855011° North, depth 3.92 km. All ids that are associated to the event: nc73458966. Unique identifier: nc73458966. Date and time of earthquake in UTC/GMT: 17/09/20 / 2020-09-17 01:39:19 / September 17, 2020 @ 1:39 am. The temblor was reported at 01:39:19 / 1:39 am (local time epicenter).

Nearby country/countries, United States (c. 310 233 000 pop) (That might be effected). Nearest cities/city/villages to epicentrum/hypocenter was Healdsburg, Clearlake, Cloverdale (min 5000 pop). Event epicenter was 22 km (14 miles) from Ukiah (c. 16 100 pop), 76 km (47 miles) from Clearlake (c. 15 300 pop), 82 km (51 miles) from Healdsburg (c. 11 300 pop), 57 km (35 miles) from Cloverdale (c. 8 600 pop), 42 km (26 miles) from Fort Bragg (c. 7 300 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 three, in the past 30 days eleven and in the last 365 days fourty 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.

Did you feel anything?

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. 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: 21 km NNW of Boonville, CA.

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More information

Parameter Value Description
Magnitude 3.28 mb The magnitude for the event.
Longitude -123.4574966° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 39.1855011° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 3.92 km Depth of the event in kilometers.
Place 21km NNW of Boonville, CA Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-09-17 01:39:19 Time when the event occurred. UTC/GMT
Updated 2020-09-17 01:41:23 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 166 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 26 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.05288 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.14 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 46 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 nc73458966 Id of event.
Event Code 73458966 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc73458966, A comma-separated list of event ids that are associated to an event.

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