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Moderate earthquake, 5.9 mag has occurred near Tanaga Volcano in Alaska


Earthquake location 51.6801S, -178.3828WA moderate earthquake with magnitude 5.9 (ml/mb) was detected on Tuesday, 28 km SW of Tanaga Volcano, Alaska (17 miles). The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. The temblor was detected at 21:59:57 / 9:59 pm (local time epicenter). Event ids that are associated to the earthquake: at00opq8vv, us10008r2h. Id of event: us10008r2h. Exact location of earthquake, -178.3828° West, 51.6801° North, depth 10 km. A tsunami warning has been issued near Tanaga Volcano in Alaska (Does not indicate if a tsunami actually did or will exist). Global time and date of event 10/05/17 / 2017-05-10 07:59:57 / May 10, 2017 @ 7:59 am UTC/GMT.

Each year there are an estimated 1320 moderate quakes in the world. Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures. In the past 24 hours, there have been ten, in the last 10 days sixty-nine, in the past 30 days seventy-five and in the last 365 days two hundred and three earthquakes of magnitude 3.0 or greater that have been detected nearby.

Did you feel the quake?

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 28 km SW of Tanaga Volcano, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 5.9 mb The magnitude for the event.
Longitude -178.3828° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.6801° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 28km SW 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 2017-05-10 07:59:57 Time when the event occurred. UTC/GMT
Updated 2017-05-10 08:18:58 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 6.25 The maximum estimated instrumental intensity for the event.
Alert Level green 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 1 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 536 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 ,at,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 0.783 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.98 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 51 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 us10008r2h Id of event.
Event Code 10008r2h An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00opq8vv,us10008r2h, A comma-separated list of event ids that are associated to an event.

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