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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.3 mag was detected near Pagan in Northern Mariana Islands

Posted by admin on March 19, 2018 0 Comments

Earthquake location 18.342S, 146.574WA light earthquake with magnitude 4.3 (ml/mb) was detected on Monday, 88 km ENE of Pagan, Northern Mariana Islands (55 miles). Date and time of earthquake in UTC/GMT: 18/02/18 / 2018-02-18 19:33:04 / February 18, 2018 @ 7:33 pm. The epicenter of the earthquake was roughly 65.06 km (40 miles) below the earth’s surface. Exact location of event, longitude 146.574 East, latitude 18.342 North, depth = 65.06 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.3-magnitude earthquake has occurred at 05:33:04 / 5:33 am (local time epicenter). All ids that are associated to the event: us2000d8sa. Unique identifier: us2000d8sa.

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 six, in the last 10 days eight, in the past 30 days eight and in the last 365 days fourty-six earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Did you feel it?

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. 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: 88 km ENE of Pagan, Northern Mariana Islands.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 146.574° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.342° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 65.06 km Depth of the event in kilometers.
Place 88km 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 2018-02-18 19:33:04 Time when the event occurred. UTC/GMT
Updated 2018-03-19 14:27:46 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 284 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 3.174 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 206 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 us2000d8sa Id of event.
Event Code 2000d8sa An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000d8sa, A comma-separated list of event ids that are associated to an event.

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