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Moderate earthquake, 5.8 mag strikes near Northern California



Earthquake location 40.406S, -126.755WA moderate earthquake magnitude 5.8 (ml/mb) strikes off the coast of Northern California (0 miles) on Friday. Unique identifier: at00owp5rs. Ids that are associated to the event: at00owp5rs. Exact location of event, longitude -126.755 West, latitude 40.406 North, depth = 12 km. The epicenter was at a depth of 12 km (7 miles). Exact time and date of event in UTC/GMT: 22/09/17 / 2017-09-22 19:50:16 / September 22, 2017 @ 7:50 pm. A tsunami warning has been issued near Northern California (Does not indicate if a tsunami actually did or will exist). The 5.8-magnitude earthquake has occurred at 19:50:16 / 7:50 pm (local time epicenter).

Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures. Each year there are an estimated 1320 moderate earthquakes in the world. 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-two earthquakes of magnitude 3.0 or greater that has struck near.

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: off the coast of Northern California. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 5.8 mb The magnitude for the event.
Longitude -126.755° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 40.406° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 12 km Depth of the event in kilometers.
Place off the coast of Northern California Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-09-22 19:50:16 Time when the event occurred. UTC/GMT
Updated 2017-09-22 19:53:34 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 REVIEWED Indicates whether the event has been reviewed by a human.
Tsunami 1 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 518 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network at The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,at, A comma-separated list of network contributors.
Number of Stations Used 51 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.843343 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.34 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 226.799981856 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type Mi The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID at00owp5rs Id of event.
Event Code 00owp5rs An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00owp5rs, A comma-separated list of event ids that are associated to an event.

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