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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.6 mag strikes near Merizo Village in Guam

Earthquake location 13.1926S, 143.946WA light earthquake magnitude 4.6 (ml/mb) has occurred on Sunday, 78 kilometers (48 miles) from Merizo Village in Guam. Exact location, longitude 143.946° East, latitude 13.1926° North, depth = 139.46 km. Unique identifier: us20008li5. Ids that are associated to the event: us20008li5. Global time and date of event 12/02/17 / 2017-02-12 10:57:49 / February 12, 2017 @ 10:57 am UTC/GMT. The epicenter was at a depth of 139.46 km (87 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was picked up at 20:57:49 / 8:57 pm (local time epicenter).

Nearby country/countries, Guam (c. 159 000 pop) (That might be effected). Nearest cities/city/towns to hypocenter/epicentrum was Barrigada Village, Mangilao Village, Tamuning-Tumon-Harmon Village (min 5000 pop). Event epicenter was 96 km (60 miles) from Tamuning-Tumon-Harmon Village (c. 19 700 pop), 97 km (60 miles) from Mangilao Village (c. 15 200 pop), 97 km (60 miles) from Barrigada Village (c. 8 900 pop), 81 km (51 miles) from Santa Rita Village (c. 7 500 pop), 96 km (59 miles) from Mongmong-Toto-Maite Village (c. 6 800 pop), 92 km (57 miles) from Chalan Pago-Ordot Village (c. 6 800 pop), 93 km (58 miles) from Yona Village (c. 6 500 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days two and in the last 365 days twenty-five earthquakes of magnitude 3.0 or greater that have been detected in the same area. Every year there are an estimated 13,000 light earthquakes in the world.

Did you feel it?

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: 78 km W of Merizo Village, Guam.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude 143.946° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 13.1926° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 139.46 km Depth of the event in kilometers.
Place 78km W 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 2017-02-12 10:57:49 Time when the event occurred. UTC/GMT
Updated 2017-02-25 13:19:06 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 0.98 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 108 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 us20008li5 Id of event.
Event Code 20008li5 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20008li5, A comma-separated list of event ids that are associated to an event.

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