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Light earthquake, 4.6 mag strikes near Agrihan in Northern Mariana Islands

Posted by admin on September 15, 2018 0 Comments

Earthquake location 19.0901S, 146.0056WA light earthquake with magnitude 4.6 (ml/mb) was reported 50 km NE of Agrihan, Northern Mariana Islands (31 miles) on Sunday. The temblor was reported at 01:15:45 / 1:15 am (local time epicenter). Event id: us2000hf6e. Ids that are associated to the earthquake: us2000hf6e. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global time and date of event 15/09/18 / 2018-09-15 15:15:45 / September 15, 2018 @ 3:15 pm UTC/GMT. Exact location of event, longitude 146.0056 East, latitude 19.0901 North, depth = 106.33 km. The earthquake was roughly at a depth of 106.33 km (66 miles).

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days three and in the last 365 days seventy-two earthquakes of magnitude 3.0 or greater that have been detected 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?

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

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude 146.0056° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.0901° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 106.33 km Depth of the event in kilometers.
Place 50km NE 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 2018-09-15 15:15:45 Time when the event occurred. UTC/GMT
Updated 2018-09-15 15:37:38 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 326 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 3.833 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.58 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 104 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 us2000hf6e Id of event.
Event Code 2000hf6e An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000hf6e, A comma-separated list of event ids that are associated to an event.

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