Light earthquake, 4.8 mag has occurred near Álftanes in Iceland

A light earthquake magnitude 4.8 (ml/mb) strikes 8 kilometers (5 miles) from Álftanes in Iceland on Monday. Global time and date of event 01/03/21 / 2021-03-01 01:31:41 / March 1, 2021 @ 1:31 am UTC/GMT. Unique identifier: us7000deg9. Ids that are associated to the event: us7000deg9. Exact location of event, longitude -22.1739 West, latitude 64.1319 North, depth = 10 km. 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). The temblor was picked up at 01:31:41 / 1:31 am (local time epicenter).

Nearby country/countries, Iceland (c. 309 000 pop) (That might be effected). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Selfoss, Borgarnes, Mosfellsbær. Earthquake epicenter was 14 km (8 miles) from Reykjavík (c. 118 900 pop), 13 km (8 miles) from Kópavogur (c. 31 700 pop), 14 km (8 miles) from Hafnarfjörður (c. 26 800 pop), 13 km (8 miles) from Garðabær (c. 11 400 pop), 23 km (14 miles) from Mosfellsbær (c. 8 700 pop), 22 km (13 miles) from Akranes (c. 6 600 pop), 61 km (38 miles) from Selfoss (c. 6 500 pop).

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

Did you feel it?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking 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: 8 km WNW of Álftanes, Iceland. This data comes from the USGS Earthquake Notification Service.

More information

Parameter	Value	Description
Magnitude	4.8 mb	The magnitude for the event.
Longitude	-22.1739° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	64.1319° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	10 km	Depth of the event in kilometers.
Place	8 km WNW of Álftanes, Iceland	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2021-03-01 01:31:41	Time when the event occurred. UTC/GMT
Updated	2021-03-01 01:58:29	Time when the event was most recently updated. UTC/GMT
Timezone offset		Timezone offset from UTC in minutes at the event epicenter.
Felt	5	The total number of felt reports
CDI	4.5	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	357	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	0.719	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.7 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	87	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	us7000deg9	Id of event.
Event Code	7000deg9	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us7000deg9,	A comma-separated list of event ids that are associated to an event.

Parameter

Value

Description

Magnitude

4.8 mb

The magnitude for the event.

Longitude

-22.1739° West

Decimal degrees longitude. Negative values for western longitudes.

Latitude

64.1319° North

Decimal degrees latitude. Negative values for southern latitudes.

Depth

10 km

Depth of the event in kilometers.

Place

8 km WNW of Álftanes, Iceland

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

Time

2021-03-01 01:31:41

Time when the event occurred. UTC/GMT

Updated

2021-03-01 01:58:29

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

4.5

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

357

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

0.719

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

Root Mean Square

0.7 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

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

Event Type

earthquake

Type of seismic event.

Event ID

us7000deg9

Id of event.

Event Code

7000deg9

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

Event IDS

,us7000deg9,

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

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Light earthquake, 4.8 mag has occurred near Álftanes in Iceland

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