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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag strikes near Farallon de Pajaros in Northern Mariana Islands


Earthquake location 22.0535S, 142.7944WA light earthquake magnitude 4 (ml/mb) has struck on Tuesday, 275 km NW of Farallon de Pajaros, Northern Mariana Islands (171 miles). Exact location of earthquake, longitude 142.7944 East, latitude 22.0535 North, depth = 290.52 km. The earthquake was roughly at a depth of 290.52 km (181 miles). The temblor was reported at 01:41:21 / 1:41 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event id: us20005dy0. Ids that are associated to the earthquake: us20005dy0. Exact time and date of earthquake 28/03/16 / 2016-03-28 15:41:21 / March 28, 2016 @ 3:41 pm UTC/GMT.

Each year there are an estimated 13,000 light quakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days four and in the last 365 days twenty-nine earthquakes of magnitude 3.0 or greater that was reported nearby.

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 275 km NW of Farallon de Pajaros, Northern Mariana Islands.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 142.7944° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 22.0535° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 290.52 km Depth of the event in kilometers.
Place 275km NW of Farallon de Pajaros, 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 2016-03-28 15:41:21 Time when the event occurred. UTC/GMT
Updated 2016-04-20 20:24:33 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 246 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 8.646 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.73 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 82 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 us20005dy0 Id of event.
Event Code 20005dy0 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20005dy0, A comma-separated list of event ids that are associated to an event.

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