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Light earthquake 4.5 mag, 33 km NNW of Pagan, Northern Mariana Islands

Posted by admin on December 12, 2017 0 Comments

Earthquake location 18.3629S, 145.5975WA light earthquake magnitude 4.5 (ml/mb) strikes 33 km NNW of Pagan, Northern Mariana Islands (21 miles) on Tuesday. The earthquake occurred at a depth of 191.98 km (119 miles) below the earth’s surface. Id of earthquake: us2000c33x. Event ids that are associated: us2000c33x. Exact time and date of event in UTC/GMT: 11/12/17 / 2017-12-11 23:41:55 / December 11, 2017 @ 11:41 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location, longitude 145.5975° East, latitude 18.3629° North, depth = 191.98 km. The temblor was detected at 09:41:55 / 9:41 am (local time epicenter).

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 one, in the past 30 days three and in the last 365 days seventy-one earthquakes of magnitude 3.0 or greater that have been detected in the same area. Each year there are an estimated 13,000 light earthquakes in the world.

Did you feel the quake?

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. 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: 33 km NNW of Pagan, Northern Mariana Islands.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 145.5975° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.3629° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 191.98 km Depth of the event in kilometers.
Place 33km NNW 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 2017-12-11 23:41:55 Time when the event occurred. UTC/GMT
Updated 2017-12-12 01:16:56 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 312 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 3.11 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.48 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 77 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 us2000c33x Id of event.
Event Code 2000c33x An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000c33x, A comma-separated list of event ids that are associated to an event.

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