Minor earthquake 3.8 mag, 109 km SSE of Old Iliamna, Alaska

A minor earthquake with magnitude 3.8 (ml/mb) was reported 109 km SSE of Old Iliamna, Alaska (68 miles) on Tuesday. All ids that are associated to the event: ak18174744. Unique identifier: ak18174744. Exact location, longitude -154.3895° West, latitude 58.8024° North, depth = 178.7 km. The earthquake was roughly at a depth of 178.7 km (111 miles). Exact time and date of earthquake 23/01/18 / 2018-01-23 09:48:26 / January 23, 2018 @ 9:48 am UTC/GMT. The 3.8-magnitude earthquake has occurred at 00:48:26 / 12:48 am (local time epicenter).

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. Every year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days three and in the last 365 days thirty-two earthquakes of magnitude 3.0 or greater that has struck near.

How would you describe the shaking?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home 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: 109 km SSE of Old Iliamna, Alaska.

Alaska Old Iliamna

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Parameter	Value	Description
Magnitude	3.8 mb	The magnitude for the event.
Longitude	-154.3895° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	58.8024° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	178.7 km	Depth of the event in kilometers.
Place	109km SSE of Old Iliamna, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2018-01-23 09:48:26	Time when the event occurred. UTC/GMT
Updated	2018-01-23 10:33:49	Time when the event was most recently updated. UTC/GMT
Timezone offset	-540	Timezone offset from UTC in minutes at the event epicenter.
Felt	144	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	automatic	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	281	A number describing how significant the event is. Larger numbers indicate a more significant event.
Network	ak	The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources	,ak,	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	0.52 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	ml	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	ak18174744	Id of event.
Event Code	18174744	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak18174744,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake 3.8 mag, 109 km SSE of Old Iliamna, Alaska

How would you describe the shaking?

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