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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.3 mag strikes near Marion Island in Prince Edward Islands


Earthquake location -45.8244S, 37.3484WA light earthquake magnitude 4.3 (ml/mb) strikes 124 km NNW of Marion Island, Prince Edward Islands (77 miles) on Friday. The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Unique identifier: us2000405u. Ids that are associated to the event: us2000405u. Exact location, longitude 37.3484° East, latitude -45.8244° South, depth = 10 km. The 4.3-magnitude earthquake was detected at 02:03:38 / 2:03 am (local time epicenter). Exact time and date of event in UTC/GMT: 23/10/15 / 2015-10-23 00:03:38 / October 23, 2015 @ 12:03 am.

Every year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days two and in the last 365 days two earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel it?

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: 124 km NNW of Marion Island, Prince Edward Islands.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 37.3484° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -45.8244° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 124km NNW of Marion Island, Prince Edward Islands Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-10-23 00:03:38 Time when the event occurred. UTC/GMT
Updated 2015-11-10 04:02:43 Time when the event was most recently updated. UTC/GMT
Timezone offset 120 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 284 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 10.097 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.34 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 127 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 us2000405u Id of event.
Event Code 2000405u An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000405u, A comma-separated list of event ids that are associated to an event.

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