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Light earthquake, 4.6 mag strikes near Agrihan in Northern Mariana Islands

Posted by admin on February 25, 2018 0 Comments

Earthquake location 18.8591S, 145.6021WA light earthquake magnitude 4.6 (ml/mb) has struck on Monday, 12 km NNW of Agrihan, Northern Mariana Islands (7 miles). Global date and time of event UTC/GMT: 25/02/18 / 2018-02-25 14:25:40 / February 25, 2018 @ 2:25 pm. The 4.6-magnitude earthquake has occurred at 00:25:40 / 12:25 am (local time epicenter). The earthquake occurred at a depth of 225.5 km (140 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, 145.6021° East, 18.8591° North, depth 225.5 km. Event id: us2000d7p5. Ids that are associated to the earthquake: us2000d7p5.

Each year there are an estimated 13,000 light quakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days three and in the last 365 days sixty-six earthquakes of magnitude 3.0 or greater that has struck near.

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 12 km NNW of Agrihan, Northern Mariana Islands. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude 145.6021° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.8591° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 225.5 km Depth of the event in kilometers.
Place 12km NNW 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 14:25:40 Time when the event occurred. UTC/GMT
Updated 2018-02-25 14:43:58 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 326 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 3.602 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.92 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 100 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 us2000d7p5 Id of event.
Event Code 2000d7p5 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000d7p5, A comma-separated list of event ids that are associated to an event.

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