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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.5 quake has struck near Pamandzi in Mayotte


Earthquake location -12.8953S, 45.3497WA light earthquake magnitude 4.5 (ml/mb) strikes 13 kilometers (8 miles) from Pamandzi in Mayotte on Monday. Exact location of event, longitude 45.3497 East, latitude -12.8953 South, depth = 10 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.5-magnitude earthquake was detected at 06:07:45 / 6:07 am (local time epicenter). Exact time and date of event in UTC/GMT: 31/12/18 / 2018-12-31 03:07:45 / December 31, 2018 @ 3:07 am. Unique identifier: us2000j5mc. Ids that are associated to the event: us2000j5mc. The earthquake was roughly at a depth of 10 km (6 miles).

Closest city/cities/towns to epicentrum/hypocenter was Mtsamboro, Acoua, M’Tsangamouji (min 5000 pop). Nearby country/countries, Mayotte (c. 159 000 pop) (That might be effected). The epicenter was 18 km (11 miles) from Mamoudzou (c. 54 800 pop), 24 km (15 miles) from Koungou (c. 18 100 pop), 16 km (10 miles) from Dzaoudzi (c. 15 300 pop), 19 km (12 miles) from Dembeni (c. 10 100 pop), 27 km (17 miles) from Sada (c. 9 800 pop), 13 km (8 miles) from Pamandzi (c. 9 100 pop), 33 km (20 miles) from Bandraboua (c. 7 900 pop).

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

How would you describe the shaking?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage 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: 13 km SSE of Pamandzi, Mayotte.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 45.3497° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -12.8953° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 13km SSE of Pamandzi, Mayotte Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-12-31 03:07:45 Time when the event occurred. UTC/GMT
Updated 2019-01-23 03:44:32 Time when the event was most recently updated. UTC/GMT
Timezone offset 180 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 5.913 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.27 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 87 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 us2000j5mc Id of event.
Event Code 2000j5mc An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000j5mc, A comma-separated list of event ids that are associated to an event.

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