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Light earthquake: M4.4 quake has struck near Agrihan in Northern Mariana Islands

Posted by admin on March 2, 2017 0 Comments

Earthquake location 18.6311S, 145.5714WA light earthquake magnitude 4.4 (ml/mb) strikes 18 km SSW of Agrihan, Northern Mariana Islands (11 miles) on Wednesday. Exact location of event, depth 217.12 km, 145.5714° East, 18.6311° North. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was detected at 20:09:41 / 8:09 pm (local time epicenter). Id of earthquake: us20008jyj. Event ids that are associated: us20008jyj. Global date and time of event UTC/GMT: 01/02/17 / 2017-02-01 10:09:41 / February 1, 2017 @ 10:09 am. The epicenter of the earthquake was roughly 217.12 km (135 miles) below the earth’s surface.

In the past 24 hours, there have been three, in the last 10 days six, in the past 30 days twelve and in the last 365 days one hundred and thirty-four earthquakes of magnitude 3.0 or greater that has occurred nearby. There are an estimated 13,000 light earthquakes in the world each year. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 18 km SSW of Agrihan, Northern Mariana Islands.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude 145.5714° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.6311° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 217.12 km Depth of the event in kilometers.
Place 18km SSW 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 2017-02-01 10:09:41 Time when the event occurred. UTC/GMT
Updated 2017-03-02 07:53:55 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 298 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 5.058 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.14 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 96 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 us20008jyj Id of event.
Event Code 20008jyj An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20008jyj, A comma-separated list of event ids that are associated to an event.

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