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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.3 mag was detected near Chirongui in Mayotte

Earthquake location -13.1864S, 45.228WA light earthquake with magnitude 4.3 (ml/mb) was detected on Friday, 29 kilometers (18 miles) from Chirongui in Mayotte. Unique identifier: us70003hjk. Ids that are associated to the event: us70003hjk. Exact location of event, longitude 45.228 East, latitude -13.1864 South, depth = 10 km. 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: 26/04/19 / 2019-04-26 20:21:10 / April 26, 2019 @ 8:21 pm. The 4.3-magnitude earthquake was detected at 23:21:10 / 11:21 pm (local time epicenter). The epicenter was at a depth of 10 km (6 miles).

Nearest cities/city/towns to hypocenter/epicentrum was Mtsamboro, Bandraboua, Acoua (min 5000 pop). Close country/countries, Mayotte (c. 159 000 pop) (That might be effected). Event epicenter was 45 km (28 miles) from Mamoudzou (c. 54 800 pop), 50 km (31 miles) from Koungou (c. 18 100 pop), 45 km (28 miles) from Dzaoudzi (c. 15 300 pop), 38 km (24 miles) from Dembeni (c. 10 100 pop), 40 km (25 miles) from Sada (c. 9 800 pop), 44 km (27 miles) from Pamandzi (c. 9 100 pop).

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

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 29 km SSE of Chirongui, Mayotte. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 45.228° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -13.1864° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 29km SSE of Chirongui, Mayotte Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2019-04-26 20:21:10 Time when the event occurred. UTC/GMT
Updated 2019-05-25 20:57:53 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 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 5.675 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.72 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 150 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 us70003hjk Id of event.
Event Code 70003hjk An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70003hjk, A comma-separated list of event ids that are associated to an event.

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