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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4 mag, 24 km NW of Ithaki, Greece


Earthquake location 38.497S, 20.5WA light earthquake with magnitude 4 (ml/mb) was reported 24 kilometers (15 miles) from Ithaki in Greece on Friday. Exact location of earthquake, longitude 20.5 East, latitude 38.497 North, depth = 9.4 km. The 4-magnitude earthquake was detected at 05:05:28 / 5:05 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global date and time of event UTC/GMT: 20/11/15 / 2015-11-20 03:05:28 / November 20, 2015 @ 3:05 am. Unique identifier: us100040rr. Ids that are associated to the event: us100040rr. The earthquake occurred at a depth of 9.4 km (6 miles).

Earthquake epicenter was 80 km (50 miles) from Agrínio (c. 46 900 pop), 85 km (53 miles) from Árta (c. 19 500 pop), 55 km (34 miles) from Préveza (c. 17 300 pop), 82 km (51 miles) from Mesolóngi (c. 12 700 pop), 86 km (53 miles) from Zákynthos (c. 11 500 pop), 35 km (22 miles) from Argostólion (c. 9 800 pop). Nearby country/countries that might be effected, Greece (c. 11 000 000 pop). Closest city/cities/towns to epicentrum/hypocenter was Zákynthos, Árta, Mesolóngi (min 5000 pop).

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

Did you feel it?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage 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: 24 km NW of Ithaki, Greece. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 20.5° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 38.497° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 9.4 km Depth of the event in kilometers.
Place 24km NW of Ithaki, Greece Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-11-20 03:05:28 Time when the event occurred. UTC/GMT
Updated 2015-12-20 00:20:52 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 246 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 0.94 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 us100040rr Id of event.
Event Code 100040rr An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us100040rr, A comma-separated list of event ids that are associated to an event.

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