Earthquake with magnitude of ML 1.6 on date 23-09-2022 and time 11:27:43 (Italy) in region Confine Italia Francia (FRANCIA)

A magnitude ML 1.6 earthquake occured in region: Confine Italia Francia (FRANCIA), on

  • 23-09-2022 09:27:43 (UTC)
  • 23-09-2022 11:27:43 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.6180, 6.7420 at 7 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
69 Km W of Cuneo (56081 inhabitants)
86 Km W of Moncalieri (57294 inhabitants)
90 Km SW of Torino (890529 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 1.6 2022-09-23
09:27:43
44.6178 6.7418 7 2024-03-01
15:28:14
Bollettino Sismico Italiano INGV 113431581
Reviewed
Rev100
ML 1.6 2022-09-23
09:27:43
44.6163 6.7388 8 2022-09-23
09:36:36
Sala Sismica INGV-Roma 110047581
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-09-23 09:27:43 ± 0.22
Latitude 44.6178 ± 0.0081
Longitude 6.7418 ± 0.0139
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 113431581

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1204
Semi-minor axis of confidence ellipse (meter) 605
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 53
Circular confidence region, given by single value of horizontal uncertainty (meter) 1200.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 159
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.28603
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 113431581
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-01-09 14:44:58

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 110047581
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-09-23 09:36:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRMI.HHZ. 2022-09-23T09:29:23.10 3.0 undecidable manual Sg 11.9 0
ST.DOSS.HHZ. 2022-09-23T09:29:18.52 3.0 undecidable manual Sn 1.52 0
MN.TRI.HHZ. 2022-09-23T09:29:11.26 3.0 negative manual Pn 11.87 0
IV.ARRO.EHZ. 2022-09-23T09:28:57.90 3.0 undecidable manual Pn 2.17 0
IV.BRES.EHZ. 2022-09-23T09:28:52.10 3.0 undecidable manual Pn 6.58 0
IV.TREG.HNZ. 2022-09-23T09:28:38.64 3.0 undecidable manual Pn 4.35 0
FR.SAOF.HHE.00 2022-09-23T09:28:12.02 1.0 undecidable manual S 137 95.1381 50 0.01 22
GU.PCP.HHZ. 2022-09-23T09:28:07.81 0.1 negative manual P 93 142.746 50 0.63 69
GU.CIRO.HHZ. 2022-09-23T09:28:05.44 0.3 undecidable manual P 30 126.873 50 0.71 52
RD.ORIF.BHZ. 2022-09-23T09:28:05.98 0.6 undecidable manual S 296 75.6687 50 -0.81 37
GU.ENR.HHZ. 2022-09-23T09:28:04.30 0.6 undecidable manual S 129 68.7756 50 -0.66 40
GU.STV.HHZ. 2022-09-23T09:28:02.80 0.3 undecidable manual S 132 62.0934 50 -0.37 66
GU.GBOS.HHZ. 2022-09-23T09:28:00.34 0.1 positive manual P 115 96.4257 50 0.29 84
GU.LSD.HHZ. 2022-09-23T09:28:00.72 0.1 undecidable manual P 18 98.3238 50 0.39 82
FR.SAOF.HHE.00 2022-09-23T09:28:00.75 0.6 undecidable manual P 137 95.1381 50 0.9 34
MN.BNI.HHZ. 2022-09-23T09:27:58.90 0.6 undecidable manual S 354 48.4182 50 -0.63 42
GU.BHB.HHZ. 2022-09-23T09:27:58.91 0.6 undecidable manual S 59 47.619 50 -0.41 45
RD.ORIF.BHZ. 2022-09-23T09:27:56.73 0.1 positive manual P 296 75.6687 50 -0.1 91
GU.ENR.HHZ. 2022-09-23T09:27:55.76 0.1 undecidable manual P 129 68.7756 50 -0.01 94
GU.STV.HHZ. 2022-09-23T09:27:54.83 0.1 undecidable manual P 132 62.0934 50 0.09 94
GU.RRL.HHZ. 2022-09-23T09:27:54.80 0.6 undecidable manual S 6 33.8439 102 -0.41 46
GU.PZZ.HHZ. 2022-09-23T09:27:53.80 0.6 undecidable manual S 113 32.0457 102 -0.8 40
MN.BNI.HHZ. 2022-09-23T09:27:52.86 0.1 undecidable manual P 354 48.4182 50 0.22 93
GU.BHB.HHZ. 2022-09-23T09:27:52.48 0.1 positive manual P 59 47.619 50 -0.04 97
GU.RRL.HHZ. 2022-09-23T09:27:50.16 0.1 undecidable manual P 6 33.8439 102 0.01 100
GU.PZZ.HHZ. 2022-09-23T09:27:49.69 0.1 undecidable manual P 113 32.0457 102 -0.1 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.PZZ.HHE. ML:2.2 0.000699 0.38 AML other m 2022-09-23T09:27:55.49
GU.RRL.HHN. ML:1.6 0.00019600000000000002 1.02 AML other m 2022-09-23T09:27:56.88
GU.PZZ.HHN. ML:2.1 0.0005635 0.14 AML other m 2022-09-23T09:27:56.57
GU.RRL.HHE. ML:1.6 0.0001525 0.46 AML other m 2022-09-23T09:27:57.65
GU.GBOS.HHE. ML:1.8 0.0000698 0.3 AML other m 2022-09-23T09:28:00.71
MN.BNI.HHE. ML:1.3 0.00005624999999999999 0.54 AML other m 2022-09-23T09:28:00.90
MN.BNI.HHN. ML:1.1 0.00003365 1.52 AML other m 2022-09-23T09:28:00.17
GU.STV.HHN. ML:1.4 0.00005745 1.28 AML other m 2022-09-23T09:28:05.00
GU.STV.HHE. ML:1.5 0.0000614 0.28 AML other m 2022-09-23T09:28:05.64
GU.ENR.HHE. ML:1.7 0.00007935 0.5 AML other m 2022-09-23T09:28:06.40
GU.ENR.HHN. ML:1.8 0.00009915 1.4 AML other m 2022-09-23T09:28:07.74
RD.ORIF.BHN. ML:1.4 0.0000373 1.64 AML other m 2022-09-23T09:28:07.98
RD.ORIF.BHE. ML:1.4 0.000037749999999999996 1.72 AML other m 2022-09-23T09:28:11.92
GU.GBOS.HHN. ML:1.7 0.00005395 0.3 AML other m 2022-09-23T09:28:13.45
GU.LSD.HHN. ML:1.5 0.000033299999999999996 0.7 AML other m 2022-09-23T09:28:15.45
GU.LSD.HHE. ML:1.7 0.0000499 0.22 AML other m 2022-09-23T09:28:16.94
GU.CIRO.HHE. ML:1.5 0.00002155 0.28 AML other m 2022-09-23T09:28:24.95
GU.CIRO.HHN. ML:1.5 0.000019050000000000002 0.68 AML other m 2022-09-23T09:28:26.94
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download