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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag was detected near Pagan in Northern Mariana Islands


Earthquake location 18.4878S, 146.1451WA light earthquake magnitude 4.2 (ml/mb) has struck on Tuesday, 57 km NE of Pagan, Northern Mariana Islands (35 miles). Unique identifier: us10008im2. Ids that are associated to the event: us10008im2. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake was roughly at a depth of 77.52 km (48 miles). Exact location of earthquake, 146.1451° East, 18.4878° North, depth 77.52 km. The temblor was reported at 07:45:07 / 7:45 am (local time epicenter). Exact time and date of earthquake 10/04/17 / 2017-04-10 21:45:07 / April 10, 2017 @ 9:45 pm UTC/GMT.

In the past 24 hours, there have been three, in the last 10 days six, in the past 30 days nine and in the last 365 days one hundred and thirty-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. There are an estimated 13,000 light earthquakes in the world each year.

How would you describe the shaking?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 57 km NE of Pagan, Northern Mariana Islands. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 146.1451° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.4878° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 77.52 km Depth of the event in kilometers.
Place 57km NE of Pagan, 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 2017-04-10 21:45:07 Time when the event occurred. UTC/GMT
Updated 2017-05-01 02:28:59 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 3.254 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.86 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 151 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 us10008im2 Id of event.
Event Code 10008im2 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10008im2, A comma-separated list of event ids that are associated to an event.

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