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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.5 quake has struck near Merizo Village in Guam


Earthquake location 12.2463S, 143.6363WA light earthquake magnitude 4.5 (ml/mb) strikes 159 km SW of Merizo Village, Guam (99 miles) on Thursday. Global date and time of event UTC/GMT: 01/11/17 / 2017-11-01 21:03:58 / November 1, 2017 @ 9:03 pm. The epicenter of the earthquake was roughly 13.93 km (9 miles) below the earth’s surface. Exact location of earthquake, longitude 143.6363 East, latitude 12.2463 North, depth = 13.93 km. The temblor was reported at 07:03:58 / 7:03 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Unique identifier: us2000bljf. Ids that are associated to the event: us2000bljf.

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

How would you describe the shaking?

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: 159 km SW of Merizo Village, Guam.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 143.6363° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 12.2463° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 13.93 km Depth of the event in kilometers.
Place 159km SW of Merizo Village, Guam Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-11-01 21:03:58 Time when the event occurred. UTC/GMT
Updated 2017-11-25 05:21:03 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 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 1.795 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.83 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 118 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 us2000bljf Id of event.
Event Code 2000bljf An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000bljf, A comma-separated list of event ids that are associated to an event.

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