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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.5 mag, 2 km SE of Agrihan, Northern Mariana Islands

Posted by admin on April 21, 2016 0 Comments

Earthquake location 18.7528S, 145.68WA light earthquake magnitude 4.5 (ml/mb) has occurred on Friday, 2 km SE of Agrihan, Northern Mariana Islands (1 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). All ids that are associated to the event: us20005dfn. Unique identifier: us20005dfn. Date and time of earthquake in UTC/GMT: 25/03/16 / 2016-03-25 08:46:39 / March 25, 2016 @ 8:46 am. Exact location of earthquake, 145.68° East, 18.7528° North, depth 180.68 km. The temblor was picked up at 18:46:39 / 6:46 pm (local time epicenter). The epicenter of the earthquake was roughly 180.68 km (112 miles) below the earth’s surface.

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 two, in the last 10 days five, in the past 30 days seven and in the last 365 days fourty-six earthquakes of magnitude 3.0 or greater that has occurred 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 information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 2 km SE of Agrihan, Northern Mariana Islands.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 145.68° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.7528° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 180.68 km Depth of the event in kilometers.
Place 2km SE 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 2016-03-25 08:46:39 Time when the event occurred. UTC/GMT
Updated 2016-04-21 06:00:03 Time when the event was most recently updated. UTC/GMT
Timezone offset 600 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 312 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 3.494 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.81 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 102 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 us20005dfn Id of event.
Event Code 20005dfn An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20005dfn, A comma-separated list of event ids that are associated to an event.

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