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Light earthquake: M4.2 quake has struck near Agrihan in Northern Mariana Islands

Posted by admin on November 3, 2017 0 Comments

Earthquake location 18.5188S, 145.6653WA light earthquake magnitude 4.2 (ml/mb) strikes 27 km S of Agrihan, Northern Mariana Islands (17 miles) on Tuesday. Exact location of earthquake, longitude 145.6653 East, latitude 18.5188 North, depth = 196.29 km. The 4.2-magnitude earthquake has occurred at 10:58:04 / 10:58 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event id: us1000awlc. Ids that are associated to the earthquake: us1000awlc. The earthquake occurred at a depth of 196.29 km (122 miles) below the earth’s surface. Date and time of earthquake in UTC/GMT: 17/10/17 / 2017-10-17 00:58:04 / October 17, 2017 @ 12:58 am.

Each year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been three, in the last 10 days four, in the past 30 days nine and in the last 365 days seventy-five 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 anything?

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: 27 km S of Agrihan, Northern Mariana Islands. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 145.6653° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.5188° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 196.29 km Depth of the event in kilometers.
Place 27km S 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 2017-10-17 00:58:04 Time when the event occurred. UTC/GMT
Updated 2017-11-03 03:46:48 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 4.961 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.66 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 139 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 us1000awlc Id of event.
Event Code 1000awlc An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000awlc, A comma-separated list of event ids that are associated to an event.

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