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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.4 mag strikes near Agrihan in Northern Mariana Islands



Earthquake location 19.1448S, 146.1848WA light earthquake with magnitude 4.4 (ml/mb) was reported 68 km NE of Agrihan, Northern Mariana Islands (42 miles) on Sunday. Event ids that are associated to the earthquake: us20004x1s. Id of event: us20004x1s. The earthquake was roughly at a depth of 88.8 km (55 miles). The 4.4-magnitude earthquake has occurred at 15:53:10 / 3:53 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location, longitude 146.1848° East, latitude 19.1448° North, depth = 88.8 km. Date and time of earthquake in UTC/GMT: 31/01/16 / 2016-01-31 05:53:10 / January 31, 2016 @ 5:53 am.

There are an estimated 13,000 light earthquakes 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 five, in the last 10 days five, in the past 30 days seven and in the last 365 days thirty-eight earthquakes of magnitude 3.0 or greater that was reported nearby.

Did you feel the quake?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 68 km NE of Agrihan, Northern Mariana Islands.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude 146.1848° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.1448° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 88.8 km Depth of the event in kilometers.
Place 68km 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 2016-01-31 05:53:10 Time when the event occurred. UTC/GMT
Updated 2016-02-26 11:55:04 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 298 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 3.9 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.49 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 125 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 us20004x1s Id of event.
Event Code 20004x1s An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20004x1s, A comma-separated list of event ids that are associated to an event.

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