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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.1 mag strikes near Isangel in Vanuatu


Earthquake location -18.9953S, 169.0292WA light earthquake with magnitude 4.1 (ml/mb) was detected on Tuesday, 66 kilometers (41 miles) from Isangel in Vanuatu. The 4.1-magnitude earthquake has occurred at 09:07:57 / 9:07 am (local time epicenter). Exact location of event, longitude 169.0292 East, latitude -18.9953 South, depth = 148.65 km. Date and time of earthquake in UTC/GMT: 09/04/18 / 2018-04-09 22:07:57 / April 9, 2018 @ 10:07 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). All ids that are associated to the event: us2000e12l. Unique identifier: us2000e12l. The earthquake occurred at a depth of 148.65 km (92 miles).

The epicenter was 67 km (41 miles) from Isangel (c. 1 400 pop). Closest city/cities/towns to epicentrum/hypocenter was Isangel (min 5000 pop). Close country/countries that might be effected, Vanuatu (c. 222 000 pop).

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

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 66 km NNW of Isangel, Vanuatu. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude 169.0292° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -18.9953° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 148.65 km Depth of the event in kilometers.
Place 66km NNW of Isangel, Vanuatu Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-04-09 22:07:57 Time when the event occurred. UTC/GMT
Updated 2018-04-30 23:53:06 Time when the event was most recently updated. UTC/GMT
Timezone offset 660 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 259 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 2.444 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.16 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 189 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 us2000e12l Id of event.
Event Code 2000e12l An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000e12l, A comma-separated list of event ids that are associated to an event.

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