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Light World Earthquakes Magnitude 4-4.9

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

Posted by admin on August 13, 2016 0 Comments

Earthquake location 18.5512S, 145.7425WA light earthquake magnitude 4.2 (ml/mb) strikes 25 km SSE of Agrihan, Northern Mariana Islands (16 miles) on Saturday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Unique identifier: us100069uc. Ids that are associated to the event: us100069uc. Exact location of event, depth 206.79 km, 145.7425° East, 18.5512° North. The epicenter of the earthquake was roughly 206.79 km (128 miles) below the earth’s surface. Global date and time of event UTC/GMT: 30/07/16 / 2016-07-30 11:22:50 / July 30, 2016 @ 11:22 am. The 4.2-magnitude earthquake has occurred at 21:22:50 / 9:22 pm (local time epicenter).

Each year there are an estimated 13,000 light quakes in the world. In the past 24 hours, there have been twenty-three, in the last 10 days twenty-three, in the past 30 days twenty-five and in the last 365 days seventy-eight earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

How would you describe the shaking?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city 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: 25 km SSE of Agrihan, Northern Mariana Islands.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 145.7425° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.5512° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 206.79 km Depth of the event in kilometers.
Place 25km SSE 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 11:22:50 Time when the event occurred. UTC/GMT
Updated 2016-08-13 07:55:47 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 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 3.292 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.7 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 153 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 us100069uc Id of event.
Event Code 100069uc An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us100069uc, A comma-separated list of event ids that are associated to an event.

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