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Minor earthquake, 2.87 mag strikes near Trinidad in CA



Earthquake location 41.1771667S, -126.1WA minor earthquake magnitude 2.87 (ml/mb) has occurred on Saturday, 165 km W of Trinidad, CA (103 miles). Exact location of earthquake, -126.1° West, 41.1771667° North, depth 4.21 km. Date and time of earthquake in UTC/GMT: 31/03/18 / 2018-03-31 09:59:13 / March 31, 2018 @ 9:59 am. The epicenter was at a depth of 4.21 km (3 miles). Event id: nc72992225. Ids that are associated to the earthquake: nc72992225. The 2.87-magnitude earthquake has occurred at 01:59:13 / 1:59 am (local time epicenter).

In the past 24 hours, there have been 0, in the last 10 days 0, in the past 30 days two and in the last 365 days thirty-six earthquakes of magnitude 3.0 or greater that have been detected nearby. There are an estimated 1,300,000 minor earthquakes in the world each year. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

Did you feel the quake?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 165 km W of Trinidad, CA.

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More information

Parameter Value Description
Magnitude 2.87 mb The magnitude for the event.
Longitude -126.1° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 41.1771667° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 4.21 km Depth of the event in kilometers.
Place 165km W of Trinidad, CA Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-03-31 09:59:13 Time when the event occurred. UTC/GMT
Updated 2018-04-04 09:25:01 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 127 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 20 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.568 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.2 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 292 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 nc72992225 Id of event.
Event Code 72992225 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc72992225, A comma-separated list of event ids that are associated to an event.

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