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Minor earthquake 3.17 mag, 4 km NNW of Pāhala, Hawaii


Earthquake location 19.233833312988S, -155.50016784668WA minor earthquake with magnitude 3.17 (ml/mb) was detected on Sunday, 4 kilometers (2 miles) from Pāhala in Hawaii. The temblor was picked up at 03:33:32 / 3:33 am (local time epicenter). The earthquake was roughly at a depth of 34.040000915527 km (21 miles). Exact location of event, depth 34.040000915527 km, -155.50016784668° West, 19.233833312988° North. Unique identifier: hv72359552. Ids that are associated to the event: hv72359552. Global date and time of event UTC/GMT: 21/02/21 / 2021-02-21 03:33:32 / February 21, 2021 @ 3:33 am.

Country/countries that might be effected, United States (c. 310 233 000 pop). The epicenter was 70 km (43 miles) from Hilo (c. 43 300 pop), 68 km (42 miles) from Kailua (c. 12 000 pop), 68 km (42 miles) from Hawaiian Paradise Park (c. 11 400 pop), 63 km (39 miles) from Hawaiian Paradise Park (c. 11 400 pop), 75 km (46 miles) from Kalaoa (c. 9 600 pop). Nearest cities/city/towns to hypocenter/epicentrum was Kalaoa, Hilo, Kailua (min 5000 pop).

In the past 24 hours, there have been one, in the last 10 days three, in the past 30 days fourteen and in the last 365 days two hundred and twenty-seven earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor earthquakes in the world.

Did you feel anything?

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. 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: 4 km NNW of Pāhala, Hawaii.

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More information

Parameter Value Description
Magnitude 3.17 mb The magnitude for the event.
Longitude -155.50016784668° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.233833312988° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 34.040000915527 km Depth of the event in kilometers.
Place 4 km NNW of Pāhala, Hawaii Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2021-02-21 03:33:32 Time when the event occurred. UTC/GMT
Updated 2021-02-21 03:39:04 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 4.441 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 automatic 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 155 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network hv The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,hv, A comma-separated list of network contributors.
Number of Stations Used 54 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.109999999 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 74 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type ml The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID hv72359552 Id of event.
Event Code 72359552 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,hv72359552, A comma-separated list of event ids that are associated to an event.

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