Earthquake with magnitude of ML 1.4 on date 20-01-2022 and time 22:24:33 (Italy) in region Confine Italia Francia (FRANCIA)

A magnitude ML 1.4 earthquake occured in region: Confine Italia Francia (FRANCIA), on

  • 20-01-2022 21:24:33 (UTC)
  • 20-01-2022 22:24:33 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.3120, 6.8170 at 8 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
Argentera CN 14 83 83
Pietraporzio CN 18 77 160

Municipalities with at least 50000 inhabitants

An earthquake occurred to
59 Km W of Cuneo (56081 inhabitants)
95 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
Bulletin
Rev1000
ML 1.4 2022-01-20
21:24:33
44.3118 6.8168 9 2022-07-08
12:33:43
Bollettino Sismico Italiano INGV 103129791
Reviewed
Rev100
ML 1.4 2022-01-20
21:24:33
44.3073 6.817 8 2022-01-20
21:32:13
Sala Sismica INGV-Roma 99995871
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-20 21:24:33 ± 0.3
Latitude 44.3118 ± 0.0108
Longitude 6.8168 ± 0.0138
Depth (km) 9 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 103129791

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1280
Semi-minor axis of confidence ellipse (meter) 763
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 40
Circular confidence region, given by single value of horizontal uncertainty (meter) 1280.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 192
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.02163
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 103129791
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-04-12 17:16:28

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 99995871
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-01-20 21:32:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMUR.HNZ. 2022-01-20T21:25:53.49 3.0 undecidable manual Pg 11.34 0
IV.ORZI.HHZ. 2022-01-20T21:25:25.07 3.0 positive manual Pg 11.31 0
GU.CARD.HHZ. 2022-01-20T21:25:25.62 3.0 undecidable manual Pg 9.54 0
RD.ORIF.BHE. 2022-01-20T21:25:02.86 0.6 undecidable manual S 313 100.0221 50 -0.84 35
FR.SAOF.HHE.00 2022-01-20T21:24:55.95 0.6 undecidable manual S 121 68.8755 50 0.57 42
GU.BHB.HHZ. 2022-01-20T21:24:55.23 0.6 undecidable manual S 31 67.9764 50 0.08 47
GU.CANO.HHZ. 2022-01-20T21:24:53.72 0.3 undecidable manual P 95 113.3976 50 0.51 59
GU.RORO.HHZ. 2022-01-20T21:24:51.91 0.3 undecidable manual P 102 101.8203 50 0.49 60
GU.RSP.HHZ. 2022-01-20T21:24:51.98 0.3 undecidable manual P 21 99.3228 50 0.95 50
RD.ORIF.BHE. 2022-01-20T21:24:51.00 0.3 undecidable manual P 313 100.0221 50 -0.14 65
GU.IMI.HHZ. 2022-01-20T21:24:50.68 0.3 undecidable manual P 117 96.6255 50 0.07 67
GU.ENR.HHZ. 2022-01-20T21:24:49.71 0.6 undecidable manual S 101 48.618 50 -0.28 47
GU.MGRO.HHZ. 2022-01-20T21:24:48.80 0.3 undecidable manual P 110 84.3489 50 0.07 68
GU.GBOS.HHZ. 2022-01-20T21:24:48.40 0.3 undecidable manual P 95 81.6516 50 0.09 68
MN.BNI.HHE. 2022-01-20T21:24:48.90 0.3 undecidable manual P 352 82.8504 50 0.4 64
GU.STV.HHZ. 2022-01-20T21:24:47.14 0.6 undecidable manual S 100 41.1255 50 -0.85 39
GU.BHB.HHZ. 2022-01-20T21:24:46.26 0.3 undecidable manual P 31 67.9764 50 0.06 71
GU.RRL.HHZ. 2022-01-20T21:24:46.04 0.3 undecidable manual P 358 67.5768 50 -0.11 70
FR.SAOF.HHE.00 2022-01-20T21:24:46.17 0.3 undecidable manual P 121 68.8755 50 -0.17 69
GU.PZZ.HHZ. 2022-01-20T21:24:45.20 0.6 undecidable manual S 48 32.0457 105 -0.28 48
GU.ENR.HHZ. 2022-01-20T21:24:42.97 0.1 positive manual P 101 48.618 50 -0.25 94
GU.STV.HHZ. 2022-01-20T21:24:41.72 0.1 positive manual P 100 41.1255 50 -0.35 93
GU.PZZ.HHZ. 2022-01-20T21:24:40.53 0.1 positive manual P 48 32.0457 105 -0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.PZZ.HHN. ML:1.5 0.00014454925 0.0768 AML other m 2022-01-20T21:24:45.45
GU.PZZ.HHE. ML:1.4 0.00011676338 0.128 AML other m 2022-01-20T21:24:45.41
GU.STV.HHN. ML:1.0 0.00003537024 0.0768 AML other m 2022-01-20T21:24:47.82
GU.STV.HHE. ML:1.0 0.00003103893 0.0896 AML other m 2022-01-20T21:24:47.96
GU.ENR.HHE. ML:1.5 0.00008125 0.04 AML other m 2022-01-20T21:24:50.29
GU.ENR.HHN. ML:1.5 0.00008199203499999999 0.0512 AML other m 2022-01-20T21:24:50.84
GU.RORO.HHE. ML:2.8 0.0006299854 0.8224 AML other m 2022-01-20T21:24:55.49
GU.BHB.HHN. ML:1.2 0.000023140689499999998 0.1152 AML other m 2022-01-20T21:24:55.85
GU.BHB.HNN. ML:1.2 0.000025762504999999996 0.1024 AML other m 2022-01-20T21:24:56.68
GU.BHB.HHE. ML:1.2 0.000022689805 0.1024 AML other m 2022-01-20T21:24:57.18
GU.RRL.HHN. ML:1.1 0.000017891475 0.2944 AML other m 2022-01-20T21:24:58.35
GU.GBOS.HHN. ML:1.0 0.0000136833885 0.2432 AML other m 2022-01-20T21:25:00.37
GU.RSP.HHE. ML:1.5 0.000029269820000000004 0.1792 AML other m 2022-01-20T21:25:05.18
GU.RSP.HHN. ML:1.3 0.000022103625 0.2432 AML other m 2022-01-20T21:25:05.77
GU.RSP.HNE. ML:1.7 0.000053898880000000005 0.5248 AML other m 2022-01-20T21:25:06.40
GU.RSP.HNN. ML:1.6 0.000037778577 0.3968 AML other m 2022-01-20T21:25:06.41
GU.CANO.HHE. ML:2.0 0.00008339550500000001 0.976 AML other m 2022-01-20T21:25:08.91
GU.IMI.HHE. ML:1.5 0.0000354596 1.68 AML other m 2022-01-20T21:25:09.04
GU.BHB.HNE. ML:1.3 0.000036778425 1.168 AML other m 2022-01-20T21:25:09.70
GU.IMI.HHN. ML:1.6 0.000043627830000000005 0.2944 AML other m 2022-01-20T21:25:09.03
GU.MGRO.HHN. ML:1.3 0.000026993915 1.4752 AML other m 2022-01-20T21:25:10.84
GU.RORO.HHN. ML:1.2 0.0000173236935 0.1792 AML other m 2022-01-20T21:25:14.47
GU.CANO.HHN. ML:1.6 0.00003303892 0.2816 AML other m 2022-01-20T21:25:15.77
GU.MGRO.HHE. ML:1.4 0.000027800785000000002 0.9504 AML other m 2022-01-20T21:25:17.05
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