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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.5 mag, 83 km SE of Inarajan Village, Guam

Earthquake location 12.8384S, 145.3779WA light earthquake magnitude 4.5 (ml/mb) has occurred on Saturday, 83 kilometers (52 miles) from Inarajan Village in Guam. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Date and time of earthquake in UTC/GMT: 22/08/15 / 2015-08-22 09:28:47 / August 22, 2015 @ 9:28 am. Exact location of event, longitude 145.3779 East, latitude 12.8384 North, depth = 35 km. Id of earthquake: us20003ggn. Event ids that are associated: us20003ggn. The 4.5-magnitude earthquake was detected at 19:28:47 / 7:28 pm (local time epicenter). The epicenter was at a depth of 35 km (22 miles).

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Dededo Village, Chalan Pago-Ordot Village, Mongmong-Toto-Maite Village. The epicenter was 95 km (59 miles) from Dededo Village (c. 44 900 pop), 94 km (58 miles) from Yigo Village (c. 20 500 pop), 92 km (57 miles) from Mangilao Village (c. 15 200 pop), 94 km (58 miles) from Barrigada Village (c. 8 900 pop), 95 km (59 miles) from Mongmong-Toto-Maite Village (c. 6 800 pop), 95 km (59 miles) from Chalan Pago-Ordot Village (c. 6 800 pop), 91 km (57 miles) from Yona Village (c. 6 500 pop). Close country/countries, Guam (c. 159 000 pop) (That might be effected).

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

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 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: 83 km SE of Inarajan Village, Guam.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 145.3779° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 12.8384° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 35 km Depth of the event in kilometers.
Place 83km SE of Inarajan 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 2015-08-22 09:28:47 Time when the event occurred. UTC/GMT
Updated 2015-09-20 11:06:56 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 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 0.896 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.91 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 71 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 us20003ggn Id of event.
Event Code 20003ggn An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20003ggn, A comma-separated list of event ids that are associated to an event.

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