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Light earthquake: M4.6 quake has struck near Pagan in Northern Mariana Islands

Posted by admin on December 30, 2018 0 Comments

Earthquake location 17.226S, 146.5832WA light earthquake with magnitude 4.6 (ml/mb) was reported 130 km SE of Pagan, Northern Mariana Islands (81 miles) on Monday. The 4.6-magnitude earthquake has occurred at 08:02:46 / 8:02 am (local time epicenter). Exact time and date of event in UTC/GMT: 30/12/18 / 2018-12-30 22:02:46 / December 30, 2018 @ 10:02 pm. Exact location of event, longitude 146.5832 East, latitude 17.226 North, depth = 35 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 35 km (22 miles) below the earth’s surface. Event id: us2000izaw. Ids that are associated to the earthquake: us2000izaw.

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

How would you describe the shaking?

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: 130 km SE of Pagan, Northern Mariana Islands.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude 146.5832° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.226° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 35 km Depth of the event in kilometers.
Place 130km SE 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 2018-12-30 22:02:46 Time when the event occurred. UTC/GMT
Updated 2018-12-30 23:12:29 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 326 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 3.975 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.71 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 69 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 us2000izaw Id of event.
Event Code 2000izaw An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000izaw, A comma-separated list of event ids that are associated to an event.

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