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Minor earthquake, 2.8 mag strikes near Juneau in Alaska

Earthquake location 58.3358S, -133.4702WA minor earthquake with magnitude 2.8 (ml/mb) was detected on Tuesday, 55 kilometers (34 miles) from Juneau in Alaska. The epicenter was at a depth of 3.1 km (2 miles). The temblor was picked up at 12:52:37 / 12:52 pm (local time epicenter). Global date and time of event UTC/GMT: 28/07/20 / 2020-07-28 12:52:37 / July 28, 2020 @ 12:52 pm. Unique identifier: ak0209nibb4g. Ids that are associated to the event: us6000b5ag, ak0209nibb4g. Exact location of event, longitude -133.4702 West, latitude 58.3358 North, depth = 3.1 km.

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Juneau. Epicenter of the event was 56 km (35 miles) from Juneau (c. 31 300 pop). Country/countries that might be effected, United States (c. 310 233 000 pop).

Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. Each year there are an estimated 1,300,000 minor quakes in the world. In the past 24 hours, there have been sixteen, in the last 10 days fourty, in the past 30 days fifty-one and in the last 365 days fifty-three earthquakes of magnitude 3.0 or greater that has struck near.

Questions or comments?

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, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 55 km E of Juneau, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -133.4702° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 58.3358° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 3.1 km Depth of the event in kilometers.
Place 55 km E of Juneau, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-07-28 12:52:37 Time when the event occurred. UTC/GMT
Updated 2020-08-12 12:02:27 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 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 121 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 ,us,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 0.68 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 ak0209nibb4g Id of event.
Event Code 0209nibb4g An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000b5ag,ak0209nibb4g, A comma-separated list of event ids that are associated to an event.

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