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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.2 mag, 2 km NNW of Adlay, Philippines

Earthquake location 9.4274S, 125.8907WA light earthquake magnitude 4.2 (ml/mb) has occurred on Sunday, 2 kilometers (1 miles) from Adlay in Philippines. Exact time and date of event in UTC/GMT: 31/01/21 / 2021-01-31 05:02:44 / January 31, 2021 @ 5:02 am. Exact location, longitude 125.8907° East, latitude 9.4274° North, depth = 71.09 km. The temblor was reported at 05:02:44 / 5:02 am (local time epicenter). The epicenter was at a depth of 71.09 km (44 miles). Id of earthquake: us6000deuh. Event ids that are associated: us6000deuh. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Country/countries that might be effected, Philippines (c. 99 900 000 pop). Epicenter of the event was 65 km (41 miles) from Butuan (c. 309 700 pop), 69 km (43 miles) from Libertad (c. 250 400 pop), 59 km (37 miles) from Surigao (c. 87 800 pop), 76 km (47 miles) from Bayugan (c. 40 600 pop), 52 km (32 miles) from Cabadbaran (c. 31 100 pop), 51 km (32 miles) from Tandag (c. 29 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Bah-Bah, Lianga, Esperanza (min 5000 pop).

In the past 24 hours, there have been three, in the last 10 days eight, in the past 30 days eleven and in the last 365 days sixty-six 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. Each year there are an estimated 13,000 light quakes in the world.

Did you feel it?

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 2 km NNW of Adlay, Philippines.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 125.8907° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 9.4274° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 71.09 km Depth of the event in kilometers.
Place 2 km NNW of Adlay, Philippines Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2021-01-31 05:02:44 Time when the event occurred. UTC/GMT
Updated 2021-02-25 11:03:47 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 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 2.362 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 137 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 us6000deuh Id of event.
Event Code 6000deuh An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000deuh, A comma-separated list of event ids that are associated to an event.

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