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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.2 quake has struck near Uyugan in Philippines


Earthquake location 20.2585S, 121.9998WA light earthquake magnitude 4.2 (ml/mb) has occurred on Thursday, 12 kilometers (7 miles) from Uyugan in Philippines. The 4.2-magnitude earthquake was detected at 06:11:24 / 6:11 am (local time epicenter). The earthquake occurred at a depth of 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). Exact location, longitude 121.9998° East, latitude 20.2585° North, depth = 10 km. Id of earthquake: us1000ha1s. Event ids that are associated: us1000ha1s. Global date and time of event UTC/GMT: 03/10/18 / 2018-10-03 22:11:24 / October 3, 2018 @ 10:11 pm.

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Basco. Event epicenter was 21 km (13 miles) from Basco (c. 7 300 pop). Close country/countries, Philippines (c. 99 900 000 pop) (That might be effected).

Each 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 three, in the past 30 days four and in the last 365 days thirteen earthquakes of magnitude 3.0 or greater that was reported 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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 12 km SSE of Uyugan, Philippines. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 121.9998° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 20.2585° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 12km SSE of Uyugan, Philippines Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-10-03 22:11:24 Time when the event occurred. UTC/GMT
Updated 2018-10-19 04:17:13 Time when the event was most recently updated. UTC/GMT
Timezone offset 480 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 271 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 2.686 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.91 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 134 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 us1000ha1s Id of event.
Event Code 1000ha1s An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000ha1s, A comma-separated list of event ids that are associated to an event.

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