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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.5 mag was detected near Torrijos in Philippines

Earthquake location 13.169S, 122.225WA light earthquake magnitude 4.5 (ml/mb) has occurred on Monday, 22 kilometers (14 miles) from Torrijos in Philippines. Event ids that are associated to the earthquake: us6000d899. Id of event: us6000d899. Exact location of event, longitude 122.225 East, latitude 13.169 North, depth = 10 km. Global date and time of event UTC/GMT: 04/01/21 / 2021-01-04 00:05:10 / January 4, 2021 @ 12:05 am. 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). The 4.5-magnitude earthquake was detected at 00:05:10 / 12:05 am (local time epicenter).

Closest city/cities/towns to epicentrum/hypocenter was Pasacao, Ragay, Caranan (min 5000 pop). Earthquake epicenter was 81 km (50 miles) from Pinamalayan (c. 43 500 pop), 48 km (30 miles) from Catanauan (c. 26 800 pop), 80 km (49 miles) from Lopez (c. 25 800 pop), 85 km (53 miles) from Gumaca (c. 22 500 pop), 88 km (55 miles) from Calauag (c. 20 800 pop), 38 km (23 miles) from Aurora (c. 16 200 pop), 66 km (41 miles) from Romblon (c. 15 300 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 four, in the past 30 days four and in the last 365 days five earthquakes of magnitude 3.0 or greater that was reported nearby. There are an estimated 13,000 light earthquakes in the world each year.

Questions or comments?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 22 km SE of Torrijos, Philippines.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 122.225° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 13.169° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 22 km SE of Torrijos, Philippines Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2021-01-04 00:05:10 Time when the event occurred. UTC/GMT
Updated 2021-01-17 02:47:54 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 312 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 14.13 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.88 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 132 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 us6000d899 Id of event.
Event Code 6000d899 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000d899, A comma-separated list of event ids that are associated to an event.

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