Earthquake with magnitude of ML 1.9 on date 27-02-2023 and time 14:00:16 (Italy) in region France

A magnitude ML 1.9 earthquake occured in region: France, on

  • 27-02-2023 13:00:16 (UTC)
  • 27-02-2023 14:00:16 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.2020, 6.3780 at 14 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
96 Km W of Cuneo (56081 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 1.9 2023-02-27
13:00:16
44.2017 6.3783 14 2024-03-01
17:18:03
Bollettino Sismico Italiano INGV 116382341
Reviewed
Rev100
ML 2.1 2023-02-27
13:00:16
44.1788 6.3713 10 2023-02-27
13:08:10
Sala Sismica INGV-Roma 114854661
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-27 13:00:16 ± 0.14
Latitude 44.2017 ± 0.0090
Longitude 6.3783 ± 0.0088
Depth (km) 14 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116382341

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1039
Semi-minor axis of confidence ellipse (meter) 277
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 27
Circular confidence region, given by single value of horizontal uncertainty (meter) 1040.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 230
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.63317
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 114854661
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-27 13:08:10

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 21
Type of magnitude ML
Reference to an origin 116382341
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-14 14:41:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RIBO.EHZ.01 2023-02-27T13:02:00.66 3.0 undecidable manual Sn 2.85 0
IV.MMO1.EHZ. 2023-02-27T13:01:38.20 3.0 positive manual Pn 2.94 0
IV.ARRO.EHZ. 2023-02-27T13:01:33.92 3.0 positive manual Pn 2.48 0
IV.ZOVE.EHZ. 2023-02-27T13:01:26.36 3.0 positive manual Pg 10.67 0
IV.MSSA.HHZ. 2023-02-27T13:00:53.80 3.0 undecidable manual Pn -0.44 0
GU.MGRO.HHE. 2023-02-27T13:00:49.84 0.6 undecidable manual S 98 115.1958 91 0.24 46
GU.GBOS.HHZ. 2023-02-27T13:00:49.45 0.6 undecidable manual S 87 116.2947 91 -0.43 43
GU.CIRO.HHZ. 2023-02-27T13:00:45.60 0.3 undecidable manual P 31 181.2852 54 0.26 55
RD.ORIF.BHZ. 2023-02-27T13:00:42.25 0.6 undecidable manual S 334 88.7445 92 -0.28 48
IV.MONC.HHE. 2023-02-27T13:00:42.45 0.6 undecidable manual P 51 155.9217 91 0.62 37
GU.ENR.HHZ. 2023-02-27T13:00:41.31 0.6 undecidable manual S 88 82.7505 92 0.38 47
GU.LSD.HHZ. 2023-02-27T13:00:41.51 0.3 undecidable manual P 23 151.6371 91 0.34 61
GU.RRL.HHE. 2023-02-27T13:00:41.65 0.6 undecidable manual S 22 86.1471 92 -0.2 49
GU.RORO.HHE. 2023-02-27T13:00:38.71 0.3 undecidable manual P 94 134.7651 91 0.15 67
GU.STV.HHZ. 2023-02-27T13:00:38.80 0.6 undecidable manual S 86 75.4689 92 -0.2 49
GU.RSP.HHZ. 2023-02-27T13:00:37.81 0.3 undecidable manual P 33 126.1737 91 0.57 61
GU.PZZ.HHZ. 2023-02-27T13:00:36.57 0.3 undecidable manual S 60 67.5768 93 -0.31 73
GU.MGRO.HHE. 2023-02-27T13:00:35.68 0.3 undecidable manual P 98 115.1958 91 0.12 70
GU.GBOS.HHZ. 2023-02-27T13:00:35.79 0.3 undecidable manual P 87 116.2947 91 0.07 71
GU.BHB.HHZ. 2023-02-27T13:00:33.01 0.3 undecidable manual P 45 99.2229 92 -0.08 72
FR.SAOF.HHZ.00 2023-02-27T13:00:32.64 0.3 undecidable manual P 104 96.6255 92 -0.05 72
RD.ORIF.BHZ. 2023-02-27T13:00:31.35 0.3 undecidable manual P 334 88.7445 92 -0.12 73
GU.RRL.HHE. 2023-02-27T13:00:31.21 0.1 undecidable manual P 22 86.1471 92 0.13 98
GU.ENR.HHZ. 2023-02-27T13:00:30.43 0.1 undecidable manual P 88 82.7505 92 -0.12 98
GU.STV.HHZ. 2023-02-27T13:00:29.20 0.1 undecidable manual P 86 75.4689 92 -0.24 97
GU.PZZ.HHZ. 2023-02-27T13:00:28.04 0.1 undecidable manual P 60 67.5768 93 -0.17 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.STV.HHN. ML:1.7 0.00007006777 0.224 AML other m 2023-02-27T13:00:39.73
GU.PZZ.HHN. ML:2.0 0.000165798745 0.2432 AML other m 2023-02-27T13:00:39.52
GU.PZZ.HHE. ML:2.0 0.00019194968 0.2816 AML other m 2023-02-27T13:00:40.51
GU.STV.HHE. ML:1.6 0.00006415295 0.2816 AML other m 2023-02-27T13:00:42.65
RD.ORIF.BHN. ML:1.9 0.00008538338 0.2752 AML other m 2023-02-27T13:00:48.30
GU.ENR.HHN. ML:2.0 0.0001392679 0.2816 AML other m 2023-02-27T13:00:41.41
RD.ORIF.BHE. ML:1.9 0.0001 0.28 AML other m 2023-02-27T13:00:48.76
GU.ENR.HHE. ML:1.8 0.0000788151585 0.1984 AML other m 2023-02-27T13:00:43.70
GU.RSP.HNN. ML:2.5 0.0002276861 0.4992 AML other m 2023-02-27T13:00:59.56
FR.SAOF.HHE.00 ML:2.1 0.00013188548050000002 0.2624 AML other m 2023-02-27T13:00:50.58
FR.SAOF.HHN.00 ML:2.0 0.000096798755 0.3584 AML other m 2023-02-27T13:00:45.53
GU.BHB.HHE. ML:1.7 0.000046356325000000004 0.32 AML other m 2023-02-27T13:00:56.77
GU.BHB.HHN. ML:1.6 0.00004002865 0.3456 AML other m 2023-02-27T13:00:51.11
GU.BHB.HNN. ML:1.6 0.000042330945 0.32 AML other m 2023-02-27T13:00:48.08
GU.GBOS.HHN. ML:1.8 0.00005656694499999999 0.3008 AML other m 2023-02-27T13:00:51.08
GU.GBOS.HHE. ML:1.9 0.000057640200000000004 0.3648 AML other m 2023-02-27T13:00:53.58
GU.RSP.HHN. ML:1.8 0.00004610761 0.48 AML other m 2023-02-27T13:00:59.80
GU.RSP.HHE. ML:1.7 0.00003654255 0.5184 AML other m 2023-02-27T13:00:59.26
GU.LSD.HHN. ML:2.1 0.000060527460000000003 0.384 AML other m 2023-02-27T13:01:06.20
GU.CIRO.HHE. ML:1.8 0.00002720356086 0.32 AML other m 2023-02-27T13:01:12.09
GU.CIRO.HHN. ML:1.8 0.00002285897 0.416 AML other m 2023-02-27T13:01:12.87
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