Minor earthquake 3.5 mag, 250 km SE of Kodiak, Alaska

A minor earthquake magnitude 3.5 (ml/mb) has occurred on Saturday, 250 km SE of Kodiak, Alaska (155 miles). The earthquake was roughly at a depth of 21.89 km (14 miles). Global time and date of event 20/10/18 / 2018-10-20 22:21:35 / October 20, 2018 @ 10:21 pm UTC/GMT. Unique identifier: us1000hf6r. Ids that are associated to the event: ak20288269, us1000hf6r. Exact location of event, depth 21.89 km, -149.3965° West, 56.2483° North. The 3.5-magnitude earthquake was detected at 12:21:35 / 12:21 pm (local time epicenter).

Every year there are an estimated 130,000 minor earthquakes in the world. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been four, in the last 10 days seventeen, in the past 30 days eighty-two and in the last 365 days three thousand, nine hundred and ninety-eight 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 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: 250 km SE of Kodiak, Alaska.

Alaska Kodiak

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Parameter	Value	Description
Magnitude	3.5 mb	The magnitude for the event.
Longitude	-149.3965° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	56.2483° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	21.89 km	Depth of the event in kilometers.
Place	250km SE of Kodiak, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2018-10-20 22:21:35	Time when the event occurred. UTC/GMT
Updated	2018-10-24 02:31:08	Time when the event was most recently updated. UTC/GMT
Timezone offset	-600	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	188	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	,ak,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	2.324	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.82 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	185	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	ml	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	us1000hf6r	Id of event.
Event Code	1000hf6r	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak20288269,us1000hf6r,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake 3.5 mag, 250 km SE of Kodiak, Alaska

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