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Minor World Earthquakes Magnitude -3.9

Minor earthquake: M3.9 quake has struck near Tanaga Volcano in Alaska

Earthquake location 51.7345S, -178.8093WA minor earthquake magnitude 3.9 (ml/mb) has occurred on Tuesday, 48 km WSW of Tanaga Volcano, Alaska (30 miles). Global date and time of event UTC/GMT: 31/01/17 / 2017-01-31 19:44:59 / January 31, 2017 @ 7:44 pm. The temblor was reported at 09:44:59 / 9:44 am (local time epicenter). All ids that are associated to the event: ak15181110, us20008ied. Unique identifier: us20008ied. Exact location of event, longitude -178.8093 West, latitude 51.7345 North, depth = 162.23 km. The epicenter of the earthquake was roughly 162.23 km (101 miles) below the earth’s surface.

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor quakes in the world. In the past 24 hours, there have been three, in the last 10 days nineteen, in the past 30 days twenty-nine and in the last 365 days one hundred and thirty-one earthquakes of magnitude 3.0 or greater that has occurred nearby.

Did you feel it?

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 48 km WSW of Tanaga Volcano, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.9 mb The magnitude for the event.
Longitude -178.8093° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.7345° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 162.23 km Depth of the event in kilometers.
Place 48km WSW of Tanaga Volcano, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-01-31 19:44:59 Time when the event occurred. UTC/GMT
Updated 2017-02-23 23:00:14 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 234 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 1.035 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.81 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 309 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 us20008ied Id of event.
Event Code 20008ied An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak15181110,us20008ied, A comma-separated list of event ids that are associated to an event.

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