Earthquake with magnitude of ML 1.1 on date 18-04-2023 and time 08:56:46 (Italy) in region 3 km NW Centallo (CN)

A magnitude ML 1.1 earthquake occured in region: 3 km NW Centallo (CN), on

  • 18-04-2023 06:56:46 (UTC)
  • 18-04-2023 08:56:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.5280, 7.5720 at 13 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Centallo CN 3 6954 6954
Villafalletto CN 3 2925 9879
Vottignasco CN 4 537 10416
Tarantasca CN 4 2122 12538
Busca CN 8 10181 22719
Costigliole Saluzzo CN 8 3375 26094
Genola CN 10 2625 28719
Piasco CN 10 2774 31493
Montanera CN 11 760 32253
Verzuolo CN 11 6459 38712
Castelletto Stura CN 11 1351 40063
Lagnasco CN 11 1453 41516
Rossana CN 11 908 42424
Manta CN 12 3787 46211
Sant'Albano Stura CN 12 2422 48633
Fossano CN 12 24739 73372
Venasca CN 15 1437 74809
Pagno CN 15 585 75394
Saluzzo CN 15 16960 92354
Castellar CN 15 295 92649
Savigliano CN 15 21441 114090
Trinità CN 15 2263 116353
Cuneo CN 15 56081 172434
Brondello CN 15 290 172724
Villar San Costanzo CN 16 1547 174271
Morozzo CN 16 2086 176357
Isasca CN 16 76 176433
Margarita CN 17 1441 177874
Caraglio CN 17 6836 184710
Scarnafigi CN 17 2162 186872
Brossasco CN 17 1084 187956
Rocca de' Baldi CN 18 1662 189618
Dronero CN 18 7035 196653
Valmala CN 18 52 196705
Cervasca CN 18 5013 201718
Monasterolo di Savigliano CN 18 1371 203089
Salmour CN 18 704 203793
Montemale di Cuneo CN 19 241 204034
Bernezzo CN 19 4104 208138
Beinette CN 19 3423 211561
Roccabruna CN 19 1585 213146
Marene CN 20 3175 216321
Martiniana Po CN 20 734 217055
Magliano Alpi CN 20 2253 219308

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km N of Cuneo (56081 inhabitants)
53 Km S of Moncalieri (57294 inhabitants)
61 Km S of Torino (890529 inhabitants)
65 Km SW of Asti (76202 inhabitants)
76 Km W of Savona (61345 inhabitants)
80 Km N of Sanremo (54807 inhabitants)
93 Km W of Alessandria (93943 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
Bulletin
Rev1000
ML 1.1 2023-04-18
06:56:46
44.5285 7.5722 13 2024-03-01
17:18:16
Bollettino Sismico Italiano INGV 120660681
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-18 06:56:46 ± 0.09
Latitude 44.5285 ± 0.0063
Longitude 7.5722 ± 0.0076
Depth (km) 13 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 120660681

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 667
Semi-minor axis of confidence ellipse (meter) 199
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 214
Circular confidence region, given by single value of horizontal uncertainty (meter) 670.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 129
Number of associated phases, regardless of their use for origin computation 48
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.65920
Number of stations at which the event was observed 37
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 120660681
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-02-07 10:14:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CR.ZAG.BHE. 2023-04-18T06:58:44.18 3.0 undecidable manual Pg 27.190001 0
IV.SAP2.EHN. 2023-04-18T06:58:44.63 3.0 undecidable manual Sn -2.59 0
IV.MCIV.CHZ. 2023-04-18T06:58:40.32 3.0 undecidable manual Sg 17.73 0
IV.MMUR.HNZ. 2023-04-18T06:58:39.65 3.0 undecidable manual Sn 1.95 0
IV.CRTC.HHN. 2023-04-18T06:58:38.30 3.0 undecidable manual Sn 4.6 0
IV.MCRV.HHZ. 2023-04-18T06:58:26.79 3.0 undecidable manual Pn 1.15 0
OT.OT05.EHZ. 2023-04-18T06:58:23.20 3.0 undecidable manual Pn 0.16 0
IV.AGLI.HHZ. 2023-04-18T06:58:21.99 3.0 undecidable manual Sn -3.32 0
IV.TREG.EHN. 2023-04-18T06:58:20.68 3.0 undecidable manual Sg 15.34 0
IV.IOCA.HHE. 2023-04-18T06:58:20.84 3.0 undecidable manual Pn 5.33 0
IV.IMOL.HNZ. 2023-04-18T06:58:15.26 3.0 undecidable manual Sn 3.65 0
IV.FNVD.HHN. 2023-04-18T06:58:12.20 3.0 undecidable manual Sg 10.88 0
IT.CSO1.HGZ. 2023-04-18T06:58:12.61 3.0 undecidable manual Pg 14.99 0
IV.RMP.HHZ. 2023-04-18T06:58:11.97 3.0 positive manual Pg 15.32 0
IV.PP3.EHE. 2023-04-18T06:58:08.95 3.0 positive manual Pg 13.82 0
CH.BERNI.HHZ. 2023-04-18T06:58:08.97 3.0 undecidable manual Sg 8.08 0
IV.CAMP.HHZ. 2023-04-18T06:58:07.03 3.0 undecidable manual Pg 9.52 0
IV.MNTT.EHE. 2023-04-18T06:58:02.40 3.0 positive manual Pn 6.04 0
OX.CIMO.HHZ. 2023-04-18T06:57:56.23 3.0 undecidable manual Pg 9.84 0
IV.BULT.EHE. 2023-04-18T06:57:53.21 3.0 undecidable manual Pn 3.5 0
IV.IMOL.HNZ. 2023-04-18T06:57:46.51 3.0 positive manual Pg 12.18 0
GU.GRAM.HHZ. 2023-04-18T06:57:45.42 3.0 undecidable manual Sg 3.33 0
IV.PE3.EHZ. 2023-04-18T06:57:42.70 3.0 negative manual Pn -0.53 0
IV.FIU.EHN. 2023-04-18T06:57:34.35 3.0 undecidable manual Pn 2.6 0
IV.MTRZ.HHN. 2023-04-18T06:57:33.54 3.0 negative manual Pn 2.28 0
IV.CADC.EHE. 2023-04-18T06:57:18.89 3.0 undecidable manual Pn -2.37 0
GU.CANO.HHZ. 2023-04-18T06:57:05.48 0.6 undecidable manual S 124 63.6918 92 -0.28 47
IV.QLNO.HHZ. 2023-04-18T06:57:05.87 0.6 undecidable manual S 110 65.3901 92 -0.35 46
GU.RORO.HHZ. 2023-04-18T06:57:04.43 0.6 undecidable manual S 139 60.5949 92 -0.52 45
FR.SAOF.HHZ.00 2023-04-18T06:57:04.12 0.6 undecidable manual S 181 60.1953 92 -0.73 41
GU.MGRO.HHZ. 2023-04-18T06:57:03.54 0.6 undecidable manual S 161 57.0984 92 -0.47 45
GU.BHB.HHZ. 2023-04-18T06:56:59.58 0.6 undecidable manual S 325 41.9247 93 -0.38 46
GU.IMI.HHZ. 2023-04-18T06:56:59.42 0.3 undecidable manual P 159 73.1712 92 0.41 66
GU.PZZ.HHZ. 2023-04-18T06:56:58.15 0.6 undecidable manual S 266 36.1416 94 -0.29 48
IV.QLNO.HHZ. 2023-04-18T06:56:58.10 0.6 undecidable manual P 110 65.3901 92 0.29 46
GU.STV.HHZ. 2023-04-18T06:56:58.33 0.6 undecidable manual S 212 37.0296 94 -0.32 48
GU.RSP.HNZ. 2023-04-18T06:56:58.67 0.3 undecidable manual P 341 72.8715 92 -0.29 67
GU.GBOS.HHZ. 2023-04-18T06:56:58.41 0.6 undecidable manual S 146 38.2284 94 -0.58 45
FR.SAOF.HHZ.00 2023-04-18T06:56:57.24 0.3 undecidable manual P 181 60.1953 92 0.23 71
GU.RORO.HHZ. 2023-04-18T06:56:57.27 0.1 undecidable manual P 139 60.5949 92 0.2 94
GU.ENR.HHZ. 2023-04-18T06:56:57.92 0.6 undecidable manual S 200 35.3424 94 -0.3 49
GU.CANO.HHZ. 2023-04-18T06:56:57.78 0.1 undecidable manual P 124 63.6918 92 0.24 93
GU.MGRO.HHZ. 2023-04-18T06:56:56.71 0.3 undecidable manual P 161 57.0984 92 0.18 72
GU.BHB.HHZ. 2023-04-18T06:56:54.14 0.1 undecidable manual P 325 41.9247 93 -0.05 100
GU.ENR.HHZ. 2023-04-18T06:56:53.40 0.1 undecidable manual P 200 35.3424 94 0.21 99
GU.GBOS.HHZ. 2023-04-18T06:56:53.77 0.3 undecidable manual P 146 38.2284 94 0.14 75
GU.STV.HHZ. 2023-04-18T06:56:53.77 0.1 undecidable manual P 212 37.0296 94 0.33 96
GU.PZZ.HHZ. 2023-04-18T06:56:53.67 0.1 undecidable manual P 266 36.1416 94 0.36 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GBOS.HHE. ML:0.9 0.000031899999999999996 0.46 AML other m 2023-04-18T06:56:58.44
GU.PZZ.HHN. ML:1.3 0.00007335 1.36 AML other m 2023-04-18T06:56:58.70
GU.ENR.HHE. ML:1.6 0.00014000000000000001 0.06 AML other m 2023-04-18T06:56:58.78
GU.STV.HHE. ML:0.8 0.000025450000000000002 1.16 AML other m 2023-04-18T06:56:58.21
GU.ENR.HHN. ML:1.4 0.00009934999999999999 0.06 AML other m 2023-04-18T06:56:58.85
GU.PZZ.HHE. ML:1.3 0.00007425 0.4 AML other m 2023-04-18T06:56:58.87
GU.STV.HHN. ML:0.8 0.0000233 0.16 AML other m 2023-04-18T06:56:58.89
GU.BHB.HHN. ML:0.9 0.00002605 1.7 AML other m 2023-04-18T06:56:59.11
GU.GBOS.HHN. ML:0.8 0.00002375 0.48 AML other m 2023-04-18T06:56:59.73
GU.BHB.HHE. ML:1.0 0.00003195 0.46 AML other m 2023-04-18T06:57:00.26
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