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Minor earthquake: M3.1 quake has struck near Volcano in Hawaii


Earthquake location 19.4238338S, -155.274826WA minor earthquake with magnitude 3.1 (ml/mb) was detected on Tuesday, 3 kilometers (2 miles) from Volcano in Hawaii. The temblor was detected at 00:21:02 / 12:21 am (local time epicenter). Exact location, longitude -155.274826° West, latitude 19.4238338° North, depth = 1.2 km. The epicenter was at a depth of 1.2 km (1 miles). Unique identifier: hv70502197. Ids that are associated to the event: hv70502197. Global time and date of event 31/07/18 / 2018-07-31 10:21:02 / July 31, 2018 @ 10:21 am UTC/GMT.

Country/countries that might be effected, United States (c. 310 233 000 pop). Event epicenter was 39 km (24 miles) from Hilo (c. 43 300 pop), 79 km (49 miles) from Kailua (c. 12 000 pop), 33 km (21 miles) from Hawaiian Paradise Park (c. 11 400 pop), 37 km (23 miles) from Hawaiian Paradise Park (c. 11 400 pop), 79 km (49 miles) from Waimea (c. 9 200 pop). Nearest cities/city/towns to hypocenter/epicentrum was Kailua, Waimea, Hōlualoa (min 5000 pop).

In the past 24 hours, there have been ninety-three, in the last 10 days six hundred and fourty-nine, in the past 30 days two thousand, one hundred and thirty-two and in the last 365 days four thousand, five hundred and thirty-two 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.

How would you describe the shaking?

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, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 3 km WSW of Volcano, Hawaii. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -155.274826° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.4238338° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 1.2 km Depth of the event in kilometers.
Place 3km WSW of Volcano, Hawaii Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-07-31 10:21:02 Time when the event occurred. UTC/GMT
Updated 2018-07-31 10:26:57 Time when the event was most recently updated. UTC/GMT
Timezone offset -600 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 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 148 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 52 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.002759 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.2 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 40 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 hv70502197 Id of event.
Event Code 70502197 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,hv70502197, A comma-separated list of event ids that are associated to an event.

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