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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag was detected near Pagan in Northern Mariana Islands

Posted by admin on January 12, 2018 0 Comments

Earthquake location 17.9776S, 145.3179WA light earthquake magnitude 4.2 (ml/mb) strikes 50 km WSW of Pagan, Northern Mariana Islands (31 miles) on Sunday. The epicenter of the earthquake was roughly 397.08 km (247 miles) below the earth’s surface. Exact location, longitude 145.3179° East, latitude 17.9776° North, depth = 397.08 km. The temblor was detected at 09:00:16 / 9:00 am (local time epicenter). 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: 23/12/17 / 2017-12-23 23:00:16 / December 23, 2017 @ 11:00 pm. Event id: us1000c22i. Ids that are associated to the earthquake: us1000c22i.

Every 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. In the past 24 hours, there have been four, in the last 10 days six, in the past 30 days eight and in the last 365 days sixty-six earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Did you feel it?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 50 km WSW of Pagan, Northern Mariana Islands.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 145.3179° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.9776° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 397.08 km Depth of the event in kilometers.
Place 50km WSW 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 2017-12-23 23:00:16 Time when the event occurred. UTC/GMT
Updated 2018-01-12 03:18:03 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 271 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 2.758 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.63 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 144 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 us1000c22i Id of event.
Event Code 1000c22i An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000c22i, A comma-separated list of event ids that are associated to an event.

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