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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.1 mag was detected near Dolores in Philippines


Earthquake location 17.7242S, 120.9635WA light earthquake magnitude 4.1 (ml/mb) has struck on Wednesday, 28 kilometers (17 miles) from Dolores in Philippines. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, 120.9635° East, 17.7242° North, depth 38.7 km. Date and time of earthquake in UTC/GMT: 17/02/21 / 2021-02-17 09:55:12 / February 17, 2021 @ 9:55 am. The temblor was reported at 09:55:12 / 9:55 am (local time epicenter). Unique identifier: us6000dkel. Ids that are associated to the event: us6000dkel. The epicenter was at a depth of 38.7 km (24 miles).

Earthquake epicenter was 82 km (51 miles) from Tuguegarao City (c. 115 100 pop), 65 km (41 miles) from Laoag (c. 102 100 pop), 77 km (48 miles) from Solana (c. 71 500 pop), 56 km (35 miles) from Batac City (c. 53 500 pop), 63 km (39 miles) from Vigan (c. 48 500 pop), 63 km (39 miles) from San Nicolas (c. 34 200 pop). Nearest cities/city/towns to hypocenter/epicentrum was Cabagan, Magapit, Magapit, Aguiguican (min 5000 pop). Nearby country/countries that might be effected, Philippines (c. 99 900 000 pop).

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

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, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 28 km ENE of Dolores, Philippines. This data 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 120.9635° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.7242° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 38.7 km Depth of the event in kilometers.
Place 28 km ENE of Dolores, Philippines Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2021-02-17 09:55:12 Time when the event occurred. UTC/GMT
Updated 2021-03-13 13:42:30 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 5.648 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.35 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 108 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 us6000dkel Id of event.
Event Code 6000dkel An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000dkel, A comma-separated list of event ids that are associated to an event.

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