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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.2 mag, 162 km E of Agrihan, Northern Mariana Islands

Posted by admin on March 14, 2018 0 Comments

Earthquake location 18.8698S, 147.2067WA light earthquake with magnitude 4.2 (ml/mb) was reported 162 km E of Agrihan, Northern Mariana Islands (101 miles) on Sunday. The temblor was detected at 10:11:27 / 10:11 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 10 km (6 miles). Exact location of earthquake, longitude 147.2067 East, latitude 18.8698 North, depth = 10 km. Exact time and date of event in UTC/GMT: 25/02/18 / 2018-02-25 00:11:27 / February 25, 2018 @ 12:11 am. All ids that are associated to the event: us2000dcwg. Unique identifier: us2000dcwg.

Each year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been five, in the last 10 days five, in the past 30 days five and in the last 365 days sixteen earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel it?

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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 162 km E of Agrihan, Northern Mariana Islands.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 147.2067° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.8698° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 162km E of Agrihan, Northern Mariana Islands Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-02-25 00:11:27 Time when the event occurred. UTC/GMT
Updated 2018-03-14 01:51:40 Time when the event was most recently updated. UTC/GMT
Timezone offset 600 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 271 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,us, A comma-separated list of network contributors.
Number of Stations Used The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 3.855 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.45 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 174 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us2000dcwg Id of event.
Event Code 2000dcwg An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000dcwg, A comma-separated list of event ids that are associated to an event.

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