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Light World Earthquakes Magnitude 4-4.9

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



Earthquake location 18.4068S, 145.4003WA light earthquake with magnitude 4.4 (ml/mb) was reported 48 km SW of Agrihan, Northern Mariana Islands (30 miles) on Saturday. The temblor was picked up at 06:49:48 / 6:49 am (local time epicenter). Date and time of earthquake in UTC/GMT: 03/03/17 / 2017-03-03 20:49:48 / March 3, 2017 @ 8:49 pm. Event id: us10008886. Ids that are associated to the earthquake: us10008886. Exact location of event, longitude 145.4003 East, latitude 18.4068 North, depth = 107.76 km. The earthquake was roughly at a depth of 107.76 km (67 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

In the past 24 hours, there have been one, in the last 10 days three, in the past 30 days five and in the last 365 days one hundred and twenty-eight earthquakes of magnitude 3.0 or greater that has struck near. 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.

How would you describe the shaking?

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: 48 km SW of Agrihan, Northern Mariana Islands.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude 145.4003° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.4068° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 107.76 km Depth of the event in kilometers.
Place 48km SW 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 2017-03-03 20:49:48 Time when the event occurred. UTC/GMT
Updated 2017-03-15 20:55:33 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 4.817 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.17 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 105 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 us10008886 Id of event.
Event Code 10008886 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10008886, A comma-separated list of event ids that are associated to an event.

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