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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.9 mag strikes near Semisopochnoi Island in Alaska


Earthquake location 51.1577S, 179.4226WA light earthquake with magnitude 4.9 (ml/mb) was reported 89 km S of Semisopochnoi Island, Alaska (55 miles) on Friday. Event id: us200066f8. Ids that are associated to the earthquake: us200066f8. Date and time of earthquake in UTC/GMT: 24/06/16 / 2016-06-24 09:23:02 / June 24, 2016 @ 9:23 am. The temblor was detected at 00:23:02 / 12:23 am (local time epicenter). Exact location, longitude 179.4226° East, latitude 51.1577° North, depth = 35 km. The epicenter of the earthquake was roughly 35 km (22 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Every year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days five and in the last 365 days one hundred and two 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.

Questions or comments?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage 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: 89 km S of Semisopochnoi Island, Alaska.

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More information

Parameter Value Description
Magnitude 4.9 mb The magnitude for the event.
Longitude 179.4226° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.1577° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 35 km Depth of the event in kilometers.
Place 89km S of Semisopochnoi Island, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-06-24 09:23:02 Time when the event occurred. UTC/GMT
Updated 2016-06-24 10:02:14 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 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 369 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 ,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 0.232 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.04 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 143 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 us200066f8 Id of event.
Event Code 200066f8 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us200066f8, A comma-separated list of event ids that are associated to an event.

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