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Earthquake breaking news, Moderate World Earthquakes Magnitude 5–5.9

Moderate earthquake 5.5 mag, 71 km ESE of Inarajan Village, Guam

Earthquake location 12.9933S, 145.3398WA moderate earthquake with magnitude 5.5 (ml/mb) was reported 71 kilometers (44 miles) from Inarajan Village in Guam on Friday. The earthquake occurred at a depth of 36.99 km (23 miles) below the earth’s surface. Date and time of earthquake in UTC/GMT: 17/05/18 / 2018-05-17 18:47:09 / May 17, 2018 @ 6:47 pm. Exact location of event, depth 36.99 km, 145.3398° East, 12.9933° North. The temblor was detected at 04:47:09 / 4:47 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event id: us1000e7fv. Ids that are associated to the earthquake: us1000e7fv.

Country/countries that might be effected, Guam (c. 159 000 pop). Epicenter of the event was 80 km (49 miles) from Dededo Village (c. 44 900 pop), 78 km (48 miles) from Yigo Village (c. 20 500 pop), 82 km (51 miles) from Tamuning-Tumon-Harmon Village (c. 19 700 pop), 77 km (48 miles) from Mangilao Village (c. 15 200 pop), 79 km (49 miles) from Barrigada Village (c. 8 900 pop), 84 km (52 miles) from Santa Rita Village (c. 7 500 pop), 80 km (50 miles) from Mongmong-Toto-Maite Village (c. 6 800 pop), 81 km (50 miles) from Chalan Pago-Ordot Village (c. 6 800 pop). Nearest cities/city/towns to hypocenter/epicentrum was Piti Village, Asan-Maina Village, Agat Village (min 5000 pop).

In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days three and in the last 365 days thirty-five earthquakes of magnitude 3.0 or greater that has struck near. There are an estimated 1320 moderate quakes in the world each year. Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures.

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. 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: 71 km ESE of Inarajan Village, Guam.

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More information

Parameter Value Description
Magnitude 5.5 mb The magnitude for the event.
Longitude 145.3398° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 12.9933° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 36.99 km Depth of the event in kilometers.
Place 71km ESE 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 2018-05-17 18:47:09 Time when the event occurred. UTC/GMT
Updated 2018-05-17 19:10:18 Time when the event was most recently updated. UTC/GMT
Timezone offset 600 Timezone offset from UTC in minutes at the event epicenter.
Felt 4 The total number of felt reports
CDI 2.7 The maximum reported intensity for the event.
MMI 3.66 The maximum estimated instrumental intensity for the event.
Alert Level green 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 466 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 0.749 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.69 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 69 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 us1000e7fv Id of event.
Event Code 1000e7fv An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000e7fv, A comma-separated list of event ids that are associated to an event.

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