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

Posted by admin on January 19, 2017 0 Comments

Earthquake location 18.7454S, 145.4497WA light earthquake magnitude 4.2 (ml/mb) has struck on Saturday, 23 km W of Agrihan, Northern Mariana Islands (14 miles). Exact location of earthquake, 145.4497° East, 18.7454° North, depth 200.11 km. The earthquake was roughly at a depth of 200.11 km (124 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was reported at 15:28:29 / 3:28 pm (local time epicenter). Unique identifier: us10007se4. Ids that are associated to the event: us10007se4. Exact time and date of earthquake 24/12/16 / 2016-12-24 05:28:29 / December 24, 2016 @ 5:28 am UTC/GMT.

There are an estimated 13,000 light quakes in the world each year. 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 three, in the past 30 days seven and in the last 365 days one hundred and twenty-five earthquakes of magnitude 3.0 or greater that was reported nearby.

Did you feel the quake?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home 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: 23 km W of Agrihan, Northern Mariana Islands.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 145.4497° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.7454° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 200.11 km Depth of the event in kilometers.
Place 23km W 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 2016-12-24 05:28:29 Time when the event occurred. UTC/GMT
Updated 2017-01-19 12:50:29 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 3.5 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 126 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 us10007se4 Id of event.
Event Code 10007se4 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10007se4, A comma-separated list of event ids that are associated to an event.

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