Earthquake with magnitude of ML 1.0 on date 03-05-2022 and time 02:44:53 (UTC) in region 5 km NW Frassino (CN)

A magnitude ML 1.0 earthquake occured in region: 5 km NW Frassino (CN), on

  • 03-05-2022 02:44:53 (UTC)
  • 03-05-2022 04:44:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.6130, 7.2410 at 5 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Frassino CN 5 265 265
Sampeyre CN 6 1022 1287
Sanfront CN 7 2395 3682
Oncino CN 8 76 3758
Melle CN 9 292 4050
Paesana CN 9 2784 6834
Gambasca CN 9 371 7205
Rifreddo CN 10 1078 8283
Ostana CN 10 83 8366
Martiniana Po CN 10 734 9100
Brossasco CN 11 1084 10184
Valmala CN 11 52 10236
Isasca CN 12 76 10312
Crissolo CN 12 168 10480
Revello CN 13 4262 14742
Envie CN 13 2074 16816
Brondello CN 13 290 17106
Macra CN 13 59 17165
Venasca CN 13 1437 18602
Casteldelfino CN 14 157 18759
San Damiano Macra CN 14 430 19189
Barge CN 14 7774 26963
Elva CN 14 97 27060
Stroppo CN 15 103 27163
Pagno CN 15 585 27748
Celle di Macra CN 15 100 27848
Cartignano CN 16 190 28038
Castellar CN 16 295 28333
Pontechianale CN 17 179 28512
Rossana CN 17 908 29420
Roccabruna CN 17 1585 31005
Bagnolo Piemonte CN 18 6024 37029
Piasco CN 18 2774 39803
Bellino CN 18 109 39912
Villar San Costanzo CN 18 1547 41459
Dronero CN 19 7035 48494
Verzuolo CN 19 6459 54953
Manta CN 20 3787 58740

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km NW of Cuneo (56081 inhabitants)
56 Km SW of Moncalieri (57294 inhabitants)
62 Km SW of Torino (890529 inhabitants)
83 Km W of Asti (76202 inhabitants)
98 Km NW of Sanremo (54807 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
ML 1.0 2022-05-03
02:44:53
44.6132 7.2412 5 2022-05-03
02:53:15
Sala Sismica INGV-Roma 104101461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-05-03 02:44:53 ± 0.26
Latitude 44.6132 ± 0.0036
Longitude 7.2412 ± 0.0189
Depth (km) 5 ± 5 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 104101461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1380
Semi-minor axis of confidence ellipse (meter) 734
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 277
Circular confidence region, given by single value of horizontal uncertainty (meter) 1380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 167
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.13939
Epicentral distance of station farthest from the epicenter (degree) 0.37322
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.4
Num. used stations 4
Type of magnitude ML
Reference to an origin 104101461
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-05-03 02:53:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.STV.HHZ. 2022-05-03T02:45:07.92 0.6 undecidable manual S 171 41.4252 97 -0.06 49
GU.BHB.HHZ. 2022-05-03T02:45:02.20 0.3 undecidable manual S 4 24.753 101 -0.06 75
GU.STV.HHZ. 2022-05-03T02:45:01.93 0.3 undecidable manual P 171 41.4252 97 0.06 73
GU.PZZ.HHZ. 2022-05-03T02:44:59.24 0.3 undecidable manual S 220 15.4734 108 0.1 75
GU.BHB.HHZ. 2022-05-03T02:44:58.68 0.3 negative manual P 4 24.753 101 0.11 74
GU.PZZ.HHZ. 2022-05-03T02:44:56.63 0.1 negative manual P 220 15.4734 108 -0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.PZZ.HHN. ML:0.0 0.00020600000000000002 0.2 AML other m 2022-05-03T02:44:59.38
GU.PZZ.HHE. ML:0.0 0.00020400000000000003 0.26 AML other m 2022-05-03T02:44:59.46
GU.BHB.HHN. ML:0.7 0.000029309209999999998 0.1408 AML other m 2022-05-03T02:45:03.35
GU.BHB.HHE. ML:0.5 0.000020056305 0.12 AML other m 2022-05-03T02:45:03.19
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download