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

Posted by admin on August 28, 2016 0 Comments

Earthquake location 18.7281S, 145.8542WA light earthquake magnitude 4.4 (ml/mb) has occurred on Sunday, 20 km ESE of Agrihan, Northern Mariana Islands (12 miles). Exact location of earthquake, 145.8542° East, 18.7281° North, depth 207.71 km. All ids that are associated to the event: us100069up. Unique identifier: us100069up. The epicenter was at a depth of 207.71 km (129 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was picked up at 01:21:38 / 1:21 am (local time epicenter). Exact time and date of event in UTC/GMT: 30/07/16 / 2016-07-30 15:21:38 / July 30, 2016 @ 3:21 pm.

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

Did you feel it?

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 20 km ESE of Agrihan, Northern Mariana Islands. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude 145.8542° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.7281° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 207.71 km Depth of the event in kilometers.
Place 20km ESE 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 2016-07-30 15:21:38 Time when the event occurred. UTC/GMT
Updated 2016-08-28 17:24:36 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 3.468 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.25 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 140 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 us100069up Id of event.
Event Code 100069up An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us100069up, A comma-separated list of event ids that are associated to an event.

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