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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.3 mag has occurred near Yigo Village in Guam

Earthquake location 13.8203S, 145.0422WA light earthquake with magnitude 4.3 (ml/mb) was detected on Friday, 35 kilometers (22 miles) from Yigo Village in Guam. The epicenter of the earthquake was roughly 114.95 km (71 miles) below the earth’s surface. Exact time and date of earthquake 30/07/15 / 2015-07-30 22:54:33 / July 30, 2015 @ 10:54 pm UTC/GMT. Exact location of event, longitude 145.0422 East, latitude 13.8203 North, depth = 114.95 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event ids that are associated to the earthquake: us1000335h. Id of event: us1000335h. The temblor was picked up at 08:54:33 / 8:54 am (local time epicenter).

Epicenter of the event was 40 km (25 miles) from Dededo Village (c. 44 900 pop), 36 km (22 miles) from Yigo Village (c. 20 500 pop), 46 km (29 miles) from Tamuning-Tumon-Harmon Village (c. 19 700 pop), 49 km (30 miles) from Mangilao Village (c. 15 200 pop), 47 km (29 miles) from Barrigada Village (c. 8 900 pop), 63 km (39 miles) from Santa Rita Village (c. 7 500 pop). Closest city/cities/towns to epicentrum/hypocenter was Merizo Village, Umatac Village, Inarajan Village (min 5000 pop). Nearby country/countries, Guam (c. 159 000 pop) (That might be effected).

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

Questions or comments?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 35 km NNE of Yigo Village, Guam.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 145.0422° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 13.8203° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 114.95 km Depth of the event in kilometers.
Place 35km NNE of Yigo 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 2015-07-30 22:54:33 Time when the event occurred. UTC/GMT
Updated 2015-08-25 00:03:56 Time when the event was most recently updated. UTC/GMT
Timezone offset 600 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 284 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 0.285 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 102 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 us1000335h Id of event.
Event Code 1000335h An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000335h, A comma-separated list of event ids that are associated to an event.

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