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Light earthquake: M4.5 quake has struck near Larsen Bay in Alaska

Posted by admin on June 29, 2015 0 Comments

Earthquake location 57.4929S, -154.1531WA light earthquake magnitude 4.5 (ml/mb) has struck on Monday, 11 km WSW of Larsen Bay, Alaska (7 miles). The temblor was picked up at 02:13:01 / 2:13 am (local time epicenter). Exact time and date of event in UTC/GMT: 29/06/15 / 2015-06-29 10:13:01 / June 29, 2015 @ 10:13 am. Exact location of event, depth 56.7 km, -154.1531° West, 57.4929° North. The earthquake occurred at a depth of 56.7 km (35 miles) below the earth’s surface. All ids that are associated to the event: at00nqpb1o, ak11637738. Unique identifier: ak11637738. A tsunami warning has been issued near Larsen Bay in Alaska (Does not indicate if a tsunami actually did or will exist).

There are an estimated 13,000 light earthquakes in the world each year. In the past 24 hours, there have been two, in the last 10 days five, in the past 30 days seven and in the last 365 days fourty-one earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Did you feel the earthquake?

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 data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 11 km WSW of Larsen Bay, Alaska.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -154.1531° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 57.4929° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 56.7 km Depth of the event in kilometers.
Place 11km WSW of Larsen Bay, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-06-29 10:13:01 Time when the event occurred. UTC/GMT
Updated 2015-06-29 10:35:20 Time when the event was most recently updated. UTC/GMT
Timezone offset -480 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 3.42 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 312 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 ,at,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 0.91 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 ak11637738 Id of event.
Event Code 11637738 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00nqpb1o,ak11637738, A comma-separated list of event ids that are associated to an event.

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