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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.2 mag, 50 km NE of Agrihan, Northern Mariana Islands

Posted by admin on August 25, 2016 0 Comments

Earthquake location 19.039S, 146.0543WA light earthquake magnitude 4.2 (ml/mb) strikes 50 km NE of Agrihan, Northern Mariana Islands (31 miles) on Saturday. Date and time of earthquake in UTC/GMT: 30/07/16 / 2016-07-30 05:21:45 / July 30, 2016 @ 5:21 am. Id of earthquake: us100069ty. Event ids that are associated: us100069ty. The earthquake occurred at a depth of 183.93 km (114 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.2-magnitude earthquake was detected at 15:21:45 / 3:21 pm (local time epicenter). Exact location of event, longitude 146.0543 East, latitude 19.039 North, depth = 183.93 km.

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

Did you feel it?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city 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: 50 km NE of Agrihan, Northern Mariana Islands.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 146.0543° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.039° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 183.93 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 2016-07-30 05:21:45 Time when the event occurred. UTC/GMT
Updated 2016-08-25 11:30:54 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 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 3.785 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.08 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 172 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 us100069ty Id of event.
Event Code 100069ty An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us100069ty, A comma-separated list of event ids that are associated to an event.

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