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Light earthquake: M4.6 quake has struck near Alugan in Philippines

Earthquake location 12.3273S, 125.6319WA light earthquake magnitude 4.6 (ml/mb) has struck on Wednesday, 20 kilometers (12 miles) from Alugan in Philippines. The earthquake was roughly at a depth of 25.22 km (16 miles). Global date and time of event UTC/GMT: 18/04/18 / 2018-04-18 04:06:23 / April 18, 2018 @ 4:06 am. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Id of earthquake: us1000drat. Event ids that are associated: us1000drat. The 4.6-magnitude earthquake was detected at 12:06:23 / 12:06 pm (local time epicenter). Exact location of earthquake, longitude 125.6319 East, latitude 12.3273 North, depth = 25.22 km.

Event epicenter was 72 km (45 miles) from Laoang (c. 16 700 pop), 83 km (51 miles) from Borongan (c. 16 500 pop), 81 km (50 miles) from Pambujan (c. 10 800 pop), 36 km (22 miles) from Dolores (c. 9 300 pop), 37 km (23 miles) from Gamay (c. 9 100 pop), 29 km (18 miles) from Oras (c. 9 000 pop), 61 km (38 miles) from Palapag (c. 8 300 pop). Nearest cities/city/villages to epicentrum/hypocenter was Mondragon, Maydolong, Borongan (min 5000 pop). Country/countries that might be effected, Philippines (c. 99 900 000 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days three and in the last 365 days eight earthquakes of magnitude 3.0 or greater that has occurred nearby. There are an estimated 13,000 light earthquakes in the world each year.

Did you feel anything?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 20 km NE of Alugan, Philippines. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude 125.6319° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 12.3273° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 25.22 km Depth of the event in kilometers.
Place 20km NE of Alugan, Philippines Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-04-18 04:06:23 Time when the event occurred. UTC/GMT
Updated 2018-05-17 02:57:17 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 326 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 4.9 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.6 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 97 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 us1000drat Id of event.
Event Code 1000drat An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000drat, A comma-separated list of event ids that are associated to an event.

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