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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.1 mag was detected near Kassándreia in Greece


Earthquake location 40.0186S, 23.3255WA light earthquake magnitude 4.1 (ml/mb) has occurred on Saturday, 8 kilometers (5 miles) from Kassándreia in Greece. Event ids that are associated to the earthquake: us6000q79q. Id of event: us6000q79q. The 4.1-magnitude earthquake was detected at 22:13:22 / 10:13 pm (local time epicenter). Global time and date of event 19/04/25 / 2025-04-19 22:13:22 / April 19, 2025 @ 10:13 pm UTC/GMT. The earthquake was roughly at a depth of 10 km (6 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, 23.3255° East, 40.0186° North, depth 10 km.

Close country/countries, Greece (c. 11 000 000 pop) (That might be effected). Nearest cities/city/towns to hypocenter/epicentrum was Yiánnouli, Lárisa, Ambelón (min 5000 pop). The epicenter was 77 km (48 miles) from Thessaloníki (c. 354 300 pop), 88 km (55 miles) from Lárisa (c. 128 800 pop), 70 km (44 miles) from Kalamariá (c. 91 600 pop), 79 km (49 miles) from Vólos (c. 84 400 pop), 75 km (47 miles) from Kateríni (c. 53 300 pop), 77 km (48 miles) from Sykiés (c. 45 000 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light earthquakes in the world each year. In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days two and in the last 365 days sixteen earthquakes of magnitude 3.0 or greater that has occurred nearby.

Did you feel the quake?

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. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 8 km WSW of Kassándreia, Greece.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude 23.3255° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 40.0186° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 8 km WSW of Kassándreia, Greece Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-04-19 22:13:22 Time when the event occurred. UTC/GMT
Updated 2025-05-11 02:09:53 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 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 28 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 2.925 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.8 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 70 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 us6000q79q Id of event.
Event Code 6000q79q An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000q79q, A comma-separated list of event ids that are associated to an event.

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