Earthquake with magnitude of ML 1.0 on date 18-05-2022 and time 01:08:31 (UTC) in region 4 km NW Frassino (CN)

A magnitude ML 1.0 earthquake occured in region: 4 km NW Frassino (CN), on

  • 18-05-2022 01:08:31 (UTC)
  • 18-05-2022 03:08:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.6080, 7.2510 at 10 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 4 265 265
Sampeyre CN 6 1022 1287
Sanfront CN 7 2395 3682
Melle CN 8 292 3974
Gambasca CN 8 371 4345
Paesana CN 9 2784 7129
Oncino CN 9 76 7205
Rifreddo CN 9 1078 8283
Martiniana Po CN 10 734 9017
Brossasco CN 10 1084 10101
Valmala CN 10 52 10153
Isasca CN 11 76 10229
Ostana CN 11 83 10312
Revello CN 12 4262 14574
Brondello CN 12 290 14864
Venasca CN 13 1437 16301
Crissolo CN 13 168 16469
Envie CN 13 2074 18543
Macra CN 13 59 18602
San Damiano Macra CN 13 430 19032
Pagno CN 14 585 19617
Barge CN 14 7774 27391
Casteldelfino CN 14 157 27548
Cartignano CN 15 190 27738
Elva CN 15 97 27835
Celle di Macra CN 15 100 27935
Castellar CN 15 295 28230
Stroppo CN 15 103 28333
Rossana CN 16 908 29241
Roccabruna CN 16 1585 30826
Piasco CN 17 2774 33600
Villar San Costanzo CN 17 1547 35147
Pontechianale CN 18 179 35326
Bagnolo Piemonte CN 18 6024 41350
Dronero CN 18 7035 48385
Verzuolo CN 19 6459 54844
Bellino CN 19 109 54953
Manta CN 19 3787 58740
Costigliole Saluzzo CN 19 3375 62115
Saluzzo CN 20 16960 79075

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km NW of Cuneo (56081 inhabitants)
56 Km SW of Moncalieri (57294 inhabitants)
62 Km SW of Torino (890529 inhabitants)
82 Km W of Asti (76202 inhabitants)
97 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 2022-05-18
01:08:31
44.6075 7.2507 10 2022-05-18
01:18:30
Sala Sismica INGV-Roma 104788031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-05-18 01:08:31 ± 0.18
Latitude 44.6075 ± 0.0081
Longitude 7.2507 ± 0.0278
Depth (km) 10 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 104788031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2211
Semi-minor axis of confidence ellipse (meter) 709
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 280
Circular confidence region, given by single value of horizontal uncertainty (meter) 2210.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 117
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.47
Epicentral distance of station closest to the epicenter (degree) 0.13939
Epicentral distance of station farthest from the epicenter (degree) 0.81029
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 104788031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-05-18 01:18:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.CANO.HHZ. 2022-05-18T01:08:47.76 0.1 undecidable manual P 119 89.9433 50 0.57 78
GU.ENR.HHZ. 2022-05-18T01:08:45.70 0.3 undecidable manual S 162 44.0226 50 -0.54 64
GU.STV.HHZ. 2022-05-18T01:08:44.88 0.1 undecidable manual S 171 40.626 50 -0.47 88
GU.RSP.HHZ. 2022-05-18T01:08:43.30 0.1 undecidable manual P 1 59.9955 50 0.72 77
GU.ENR.HHZ. 2022-05-18T01:08:40.16 0.1 undecidable manual P 162 44.0226 50 0.04 96
GU.BHB.HHZ. 2022-05-18T01:08:40.50 0.1 undecidable manual S 2 25.3524 111 -0.66 84
GU.RRL.HHZ. 2022-05-18T01:08:40.92 0.1 undecidable manual P 314 50.2164 50 -0.16 92
GU.STV.HHZ. 2022-05-18T01:08:39.72 0.1 undecidable manual P 171 40.626 50 0.12 95
GU.PZZ.HHZ. 2022-05-18T01:08:38.02 0.1 undecidable manual S 224 15.4734 122 -0.06 100
GU.BHB.HHZ. 2022-05-18T01:08:37.18 0.1 undecidable manual P 2 25.3524 111 0 100
GU.PZZ.HHZ. 2022-05-18T01:08:35.81 0.1 undecidable manual P 224 15.4734 122 0.4 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.PZZ.HHE. ML:1.1 0.00011949999999999999 0.16 AML other m 2022-05-18T01:08:38.56
GU.PZZ.HHN. ML:0.9 0.00007585 0.44 AML other m 2022-05-18T01:08:39.41
GU.ENR.HHN. ML:0.9 0.00002585 0.52 AML other m 2022-05-18T01:08:47.04
GU.ENR.HHE. ML:1.0 0.0000302 0.06 AML other m 2022-05-18T01:08:47.35
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