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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.6 mag strikes near Ferndale in California

Earthquake location 40.7018333S, -127.0091667WA minor earthquake magnitude 3.6 (ml/mb) has occurred on Tuesday, 232 km W of Ferndale, California (144 miles). Exact location of event, longitude -127.0091667 West, latitude 40.7018333 North, depth = 4.25 km. The temblor was reported at 03:22:30 / 3:22 am (local time epicenter). Exact time and date of event in UTC/GMT: 21/02/17 / 2017-02-21 11:22:30 / February 21, 2017 @ 11:22 am. Id of earthquake: nc72766236. Event ids that are associated: nc72766236. The epicenter of the earthquake was roughly 4.25 km (3 miles) below the earth’s surface.

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

Questions or comments?

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, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 232 km W of Ferndale, California. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.6 mb The magnitude for the event.
Longitude -127.0091667° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 40.7018333° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 4.25 km Depth of the event in kilometers.
Place 232km W of Ferndale, California Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-02-21 11:22:30 Time when the event occurred. UTC/GMT
Updated 2017-02-23 02:49:01 Time when the event was most recently updated. UTC/GMT
Timezone offset -480 Timezone offset from UTC in minutes at the event epicenter.
Felt 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 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 199 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 15 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 2.047 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.27 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 330 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 nc72766236 Id of event.
Event Code 72766236 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc72766236, A comma-separated list of event ids that are associated to an event.

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