Moderate earthquake 5.6 mag, 4 km ENE of Grindavík, Iceland

A moderate earthquake with magnitude 5.6 (ml/mb) was reported 4 kilometers (2 miles) from Grindavík in Iceland on Wednesday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of event in UTC/GMT: 24/02/21 / 2021-02-24 10:05:59 / February 24, 2021 @ 10:05 am. The temblor was picked up at 10:05:59 / 10:05 am (local time epicenter). The earthquake occurred at a depth of 10 km (6 miles). Exact location of event, longitude -22.3579 West, latitude 63.8623 North, depth = 10 km. All ids that are associated to the event: us6000dkmk. Unique identifier: us6000dkmk.

Nearest cities/city/villages to epicentrum/hypocenter was Borgarnes, Selfoss, Akranes (min 5000 pop). Close country/countries, Iceland (c. 309 000 pop) (That might be effected). Epicenter of the earthquake was 38 km (24 miles) from Reykjavík (c. 118 900 pop), 35 km (22 miles) from Kópavogur (c. 31 700 pop), 31 km (19 miles) from Hafnarfjörður (c. 26 800 pop), 33 km (20 miles) from Garðabær (c. 11 400 pop), 47 km (29 miles) from Mosfellsbær (c. 8 700 pop), 53 km (33 miles) from Akranes (c. 6 600 pop), 67 km (42 miles) from Selfoss (c. 6 500 pop), 78 km (49 miles) from Borgarnes (c. 1 800 pop).

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days one and in the last 365 days eight earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures. There are an estimated 1320 moderate quakes in the world each year.

How would you describe the shaking?

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 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: 4 km ENE of Grindavík, Iceland.

More information

Parameter	Value	Description
Magnitude	5.6 mb	The magnitude for the event.
Longitude	-22.3579° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	63.8623° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	10 km	Depth of the event in kilometers.
Place	4 km ENE of Grindavík, Iceland	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2021-02-24 10:05:59	Time when the event occurred. UTC/GMT
Updated	2021-02-24 10:27:38	Time when the event was most recently updated. UTC/GMT
Timezone offset		Timezone offset from UTC in minutes at the event epicenter.
Felt	3	The total number of felt reports
CDI	4.1	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	484	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	6.769	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.07 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	46	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	mww	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	us6000dkmk	Id of event.
Event Code	6000dkmk	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000dkmk,	A comma-separated list of event ids that are associated to an event.

Parameter

Value

Description

Magnitude

5.6 mb

The magnitude for the event.

Longitude

-22.3579° West

Decimal degrees longitude. Negative values for western longitudes.

Latitude

63.8623° North

Decimal degrees latitude. Negative values for southern latitudes.

Depth

10 km

Depth of the event in kilometers.

Place

4 km ENE of Grindavík, Iceland

Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.

Time

2021-02-24 10:05:59

Time when the event occurred. UTC/GMT

Updated

2021-02-24 10:27:38

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

4.1

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

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

484

A number describing how significant the event is. Larger numbers indicate a more significant event.

Network

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

6.769

Horizontal distance from the epicenter to the nearest station (in degrees).

Root Mean Square

1.07 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

mww

The method or algorithm used to calculate the preferred magnitude for the event.

Event Type

earthquake

Type of seismic event.

Event ID

us6000dkmk

Id of event.

Event Code

6000dkmk

An identifying code assigned by, and unique from, the corresponding source for the event.

Event IDS

,us6000dkmk,

A comma-separated list of event ids that are associated to an event.

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Moderate earthquake 5.6 mag, 4 km ENE of Grindavík, Iceland

How would you describe the shaking?

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