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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.1 mag has occurred near Nidri in Greece


Earthquake location 38.7213S, 20.5902WA light earthquake with magnitude 4.1 (ml/mb) was reported 10 kilometers (6 miles) from Nidri in Greece on Saturday. The earthquake occurred at a depth of 10.9 km (7 miles) below the earth’s surface. All ids that are associated to the event: us1000404f. Unique identifier: us1000404f. The 4.1-magnitude earthquake has occurred at 18:17:50 / 6:17 pm (local time epicenter). Exact time and date of event in UTC/GMT: 21/11/15 / 2015-11-21 16:17:50 / November 21, 2015 @ 4:17 pm. Exact location of event, longitude 20.5902 East, latitude 38.7213 North, depth = 10.9 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Nearby country/countries, Greece (c. 11 000 000 pop) (That might be effected). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Igoumenítsa, Mesolóngi, Agrínio. The epicenter was 72 km (45 miles) from Agrínio (c. 46 900 pop), 60 km (37 miles) from Árta (c. 19 500 pop), 30 km (18 miles) from Préveza (c. 17 300 pop), 83 km (51 miles) from Mesolóngi (c. 12 700 pop), 61 km (38 miles) from Argostólion (c. 9 800 pop), 91 km (57 miles) from Igoumenítsa (c. 9 500 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been eight, in the last 10 days twenty-six, in the past 30 days twenty-seven and in the last 365 days thirty-nine earthquakes of magnitude 3.0 or greater that have been detected nearby. Each year there are an estimated 13,000 light quakes in the world.

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: 10 km W of Nidri, Greece.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude 20.5902° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 38.7213° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10.9 km Depth of the event in kilometers.
Place 10km W of Nidri, Greece Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-11-21 16:17:50 Time when the event occurred. UTC/GMT
Updated 2015-12-20 16:38:51 Time when the event was most recently updated. UTC/GMT
Timezone offset 120 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 259 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 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.67 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 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 us1000404f Id of event.
Event Code 1000404f An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000404f, A comma-separated list of event ids that are associated to an event.

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