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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4 mag, 74 km SE of Chignik Lake, Alaska

Posted by admin on January 30, 2016 0 Comments

Earthquake location 55.7628S, -157.9431WA light earthquake magnitude 4 (ml/mb) has struck on Friday, 74 km SE of Chignik Lake, Alaska (46 miles). The temblor was picked up at 11:36:52 / 11:36 am (local time epicenter). Exact location of earthquake, -157.9431° West, 55.7628° North, depth 52.71 km. Global date and time of event UTC/GMT: 01/01/16 / 2016-01-01 22:36:52 / January 1, 2016 @ 10:36 pm. The earthquake occurred at a depth of 52.71 km (33 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event id: us10004bn0. Ids that are associated to the earthquake: ak12382624, us10004bn0.

Each year there are an estimated 13,000 light quakes in the world. In the past 24 hours, there have been five, in the last 10 days five, in the past 30 days six and in the last 365 days twenty-eight earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel anything?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city 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: 74 km SE of Chignik Lake, Alaska.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -157.9431° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 55.7628° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 52.71 km Depth of the event in kilometers.
Place 74km SE of Chignik Lake, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-01-01 22:36:52 Time when the event occurred. UTC/GMT
Updated 2016-01-30 05:23:49 Time when the event was most recently updated. UTC/GMT
Timezone offset -660 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 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 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 246 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 0.601 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.99 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 119 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 us10004bn0 Id of event.
Event Code 10004bn0 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak12382624,us10004bn0, A comma-separated list of event ids that are associated to an event.

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