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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag was detected near Anatahan in Northern Mariana Islands

Posted by admin on May 26, 2018 0 Comments

Earthquake location 16.5247S, 146.8652WA light earthquake magnitude 4 (ml/mb) has struck on Sunday, 129 km E of Anatahan, Northern Mariana Islands (80 miles). The 4-magnitude earthquake was detected at 07:47:31 / 7:47 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event id: us1000dxtj. Ids that are associated to the earthquake: us1000dxtj. Global date and time of event UTC/GMT: 28/04/18 / 2018-04-28 21:47:31 / April 28, 2018 @ 9:47 pm. The earthquake was roughly at a depth of 20.19 km (13 miles). Exact location, longitude 146.8652° East, latitude 16.5247° North, depth = 20.19 km.

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

Did you feel it?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. 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: 129 km E of Anatahan, Northern Mariana Islands.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 146.8652° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 16.5247° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 20.19 km Depth of the event in kilometers.
Place 129km E of Anatahan, 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 2018-04-28 21:47:31 Time when the event occurred. UTC/GMT
Updated 2018-05-26 03:35:35 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 1.643 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 105 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 us1000dxtj Id of event.
Event Code 1000dxtj An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000dxtj, A comma-separated list of event ids that are associated to an event.

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