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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.4 mag was detected near Pagan in Northern Mariana Islands


Earthquake location 18.2558S, 146.2945WA light earthquake with magnitude 4.4 (ml/mb) was reported 57 km ENE of Pagan, Northern Mariana Islands (35 miles) on Friday. Id of earthquake: us2000fx11. Event ids that are associated: us2000fx11. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of event in UTC/GMT: 28/06/18 / 2018-06-28 23:10:17 / June 28, 2018 @ 11:10 pm. Exact location, longitude 146.2945° East, latitude 18.2558° North, depth = 102.46 km. The epicenter was at a depth of 102.46 km (64 miles). The 4.4-magnitude earthquake was detected at 09:10:17 / 9:10 am (local time epicenter).

There are an estimated 13,000 light quakes 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 one, in the last 10 days three, in the past 30 days eight and in the last 365 days sixty-seven earthquakes of magnitude 3.0 or greater that has struck near.

Questions or comments?

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: 57 km ENE of Pagan, Northern Mariana Islands.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude 146.2945° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.2558° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 102.46 km Depth of the event in kilometers.
Place 57km ENE 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 2018-06-28 23:10:17 Time when the event occurred. UTC/GMT
Updated 2018-07-08 00:54:14 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 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 3.037 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.96 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 161 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 us2000fx11 Id of event.
Event Code 2000fx11 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000fx11, A comma-separated list of event ids that are associated to an event.

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