Earthquake with magnitude of ML 2.3 on date 27-02-2022 and time 13:51:59 (Italy) in region Confine Italia Francia (FRANCIA)

A magnitude ML 2.3 earthquake occured in region: Confine Italia Francia (FRANCIA), on

  • 27-02-2022 12:51:59 (UTC)
  • 27-02-2022 13:51:59 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.0790, 7.2790 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km SW of Cuneo (56081 inhabitants)
50 Km NW of Sanremo (54807 inhabitants)
99 Km W of Savona (61345 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 2.3 2022-02-27
12:51:59
44.0788 7.2787 8 2022-07-08
12:33:59
Bollettino Sismico Italiano INGV 105051981
Reviewed
Rev100
ML 2.3 2022-02-27
12:51:59
44.0895 7.2898 9 2022-02-27
13:03:33
Sala Sismica INGV-Roma 101505681
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-02-27 12:51:59 ± 0.33
Latitude 44.0788 ± 0.0162
Longitude 7.2787 ± 0.0200
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 105051981

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2219
Semi-minor axis of confidence ellipse (meter) 197
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 221
Circular confidence region, given by single value of horizontal uncertainty (meter) 2220.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 196
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.44
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.53604
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 105051981
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-06-06 12:00:57

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 101505681
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-02-27 13:03:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HLNI.HHZ. 2022-02-27T12:54:01.85 3.0 negative manual Pn -7.61 0
IV.SNTG.HHZ. 2022-02-27T12:53:54.88 3.0 undecidable manual Sn -0.43 0
IV.NARO.HHZ. 2022-02-27T12:53:53.99 3.0 undecidable manual Sn 6.73 0
IV.PAOL.HHZ. 2022-02-27T12:53:52.05 3.0 undecidable manual Pg 19.59 0
IV.FRON.EHZ. 2022-02-27T12:53:52.44 3.0 undecidable manual Sn 2.24 0
IV.SSFR.HHZ. 2022-02-27T12:53:52.08 3.0 undecidable manual Sn 0.51 0
OX.FUSE.HHZ. 2022-02-27T12:53:33.10 3.0 undecidable manual Pg 22.110001 0
IV.VISG.HHZ. 2022-02-27T12:53:28.83 3.0 undecidable manual Sn 3.01 0
IV.LMD.HHZ. 2022-02-27T12:52:49.66 3.0 undecidable manual Pn -1.29 0
IV.MOCL.EHZ. 2022-02-27T12:52:46.23 3.0 undecidable manual Pn 0.44 0
GU.PCP.HHZ. 2022-02-27T12:52:33.78 0.6 undecidable manual S 63 112.8981 50 0.64 36
GU.CIRO.HHE. 2022-02-27T12:52:27.99 1.0 undecidable manual P 8 170.496 50 0.04 18
GU.LSD.HHZ. 2022-02-27T12:52:25.86 0.3 undecidable manual P 356 153.6351 50 0.52 52
GU.RNCA.HHZ. 2022-02-27T12:52:24.07 0.3 undecidable manual P 71 139.7601 50 0.86 47
GU.CANO.HHZ. 2022-02-27T12:52:23.18 0.6 undecidable manual S 79 77.6667 50 -0.55 40
RD.ORIF.BHE. 2022-02-27T12:52:23.92 0.3 undecidable manual P 311 144.6441 50 -0.04 59
IV.MONC.HHZ. 2022-02-27T12:52:21.39 0.6 undecidable manual P 25 121.6893 50 0.96 31
GU.ROTM.HHZ. 2022-02-27T12:52:21.27 0.3 undecidable manual P 44 120.5904 50 1.02 45
MN.BNI.HHE. 2022-02-27T12:52:20.43 0.6 undecidable manual P 336 117.8931 50 0.58 37
GU.PCP.HHZ. 2022-02-27T12:52:19.46 0.3 undecidable manual P 63 112.8981 50 0.39 59
GU.RORO.HHZ. 2022-02-27T12:52:19.10 0.3 undecidable manual S 86 62.8926 50 -0.7 58
GU.PZZ.HHZ. 2022-02-27T12:52:14.82 0.3 undecidable manual S 345 49.2174 50 -1.32 45
GU.CANO.HHZ. 2022-02-27T12:52:13.70 0.3 undecidable manual P 79 77.6667 50 0.06 67
GU.RORO.HHZ. 2022-02-27T12:52:11.21 0.3 undecidable manual P 86 62.8926 50 -0.15 68
GU.PZZ.HHZ. 2022-02-27T12:52:08.80 0.1 undecidable manual P 345 49.2174 50 -0.45 87
FR.SAOF.HHZ.00 2022-02-27T12:52:08.34 0.6 undecidable manual S 115 24.1536 108 -0.33 47
GU.STV.HHZ. 2022-02-27T12:52:06.65 0.6 undecidable manual S 12 18.87 113 -0.28 48
FR.SAOF.HHZ.00 2022-02-27T12:52:04.77 0.1 positive manual P 115 24.1536 108 -0.17 97
GU.STV.HHZ. 2022-02-27T12:52:03.99 0.1 undecidable manual P 12 18.87 113 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.STV.HHN. ML:2.2 0.001335 0.32 AML other m 2022-02-27T12:52:06.74
GU.STV.HHE. ML:1.8 0.0005940000000000001 0.54 AML other m 2022-02-27T12:52:06.95
FR.SAOF.HHN.00 ML:2.2 0.0009855 0.62 AML other m 2022-02-27T12:52:08.58
FR.SAOF.HHE.00 ML:2.1 0.000758 0.84 AML other m 2022-02-27T12:52:08.99
GU.PZZ.HHN. ML:2.3 0.0005865 0.36 AML other m 2022-02-27T12:52:15.07
GU.PZZ.HHE. ML:2.5 0.0009415 0.16 AML other m 2022-02-27T12:52:15.09
GU.RORO.HHE. ML:2.4 0.0005755000000000001 1.06 AML other m 2022-02-27T12:52:17.25
GU.RORO.HHN. ML:2.2 0.0003235 0.18 AML other m 2022-02-27T12:52:20.34
GU.CANO.HHN. ML:2.5 0.0005369999999999999 0.22 AML other m 2022-02-27T12:52:29.44
GU.CANO.HHE. ML:2.4 0.00034199999999999996 0.38 AML other m 2022-02-27T12:52:30.63
GU.PCP.HHE. ML:2.2 0.00014700000000000002 0.26 AML other m 2022-02-27T12:52:37.85
GU.PCP.HHN. ML:2.3 0.0001545 0.46 AML other m 2022-02-27T12:52:38.42
GU.ROTM.HHE. ML:2.9 0.000676 1.56 AML other m 2022-02-27T12:52:43.97
GU.ROTM.HHN. ML:2.9 0.0006739999999999999 0.48 AML other m 2022-02-27T12:52:45.69
GU.LSD.HHE. ML:2.1 0.00006419999999999999 1.1 AML other m 2022-02-27T12:52:51.20
GU.LSD.HHN. ML:2.1 0.0000656 0.26 AML other m 2022-02-27T12:52:52.15
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
Waveforms Seismic signals in miniseed + resp format Download