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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4 mag, 39 km ENE of Port-Olry, Vanuatu


Earthquake location -14.8626S, 167.3579WA light earthquake magnitude 4 (ml/mb) has occurred on Thursday, 39 kilometers (24 miles) from Port-Olry in Vanuatu. Exact location of event, longitude 167.3579 East, latitude -14.8626 South, depth = 138.06 km. All ids that are associated to the event: us10003ry1. Unique identifier: us10003ry1. The temblor was detected at 02:51:18 / 2:51 am (local time epicenter). The epicenter of the earthquake was roughly 138.06 km (86 miles) below the earth’s surface. Date and time of earthquake in UTC/GMT: 21/10/15 / 2015-10-21 15:51:18 / October 21, 2015 @ 3:51 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Nearest cities/city/towns to hypocenter/epicentrum was Luganville (min 5000 pop). Event epicenter was 76 km (47 miles) from Luganville (c. 13 400 pop). Nearby country/countries, Vanuatu (c. 222 000 pop) (That might be effected).

There are an estimated 13,000 light earthquakes in the world each year. In the past 24 hours, there have been sixteen, in the last 10 days sixteen, in the past 30 days sixteen and in the last 365 days fourty-nine 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.

How would you describe the shaking?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 39 km ENE of Port-Olry, Vanuatu. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 167.3579° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -14.8626° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 138.06 km Depth of the event in kilometers.
Place 39km ENE of Port-Olry, Vanuatu Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-10-21 15:51:18 Time when the event occurred. UTC/GMT
Updated 2015-11-18 04:24:25 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 ,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 0.6 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.32 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 229 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 us10003ry1 Id of event.
Event Code 10003ry1 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10003ry1, A comma-separated list of event ids that are associated to an event.

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