Earthquake with magnitude of ML 1.4 on date 26-07-2021 and time 17:03:08 (UTC) in region Costa Francese (FRANCIA)

A magnitude ML 1.4 earthquake occured in region: Costa Francese (FRANCIA), on

  • 26-07-2021 17:03:08 (UTC)
  • 26-07-2021 19:03:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.609, 7.252 at 10 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
49 Km W of Sanremo (54807 inhabitants)
91 Km S 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 1.4 2021-07-26
17:03:08
43.6092 7.2523 10 2021-12-29
11:12:51
Bollettino Sismico Italiano INGV 97365471
Reviewed
Rev100
ML 1.7 2021-07-26
17:03:08
43.6087 7.2485 10 2021-07-26
17:11:23
Sala Sismica INGV-Roma 93246021
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-07-26 17:03:08 ± 0.22
Latitude 43.6092 ± 0.0126
Longitude 7.2523 ± 0.0099
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 97365471

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1351
Semi-minor axis of confidence ellipse (meter) 729
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 183
Circular confidence region, given by single value of horizontal uncertainty (meter) 1350
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 289
Number of associated phases, regardless of their use for origin computation 40
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 1.35258
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.1
Num. used stations 12
Type of magnitude ML
Reference to an origin 97365471
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-11-09 16:40:15

ML:1.7

Field Value
Value 1.7
Uncertainty 0.7
Num. used stations 22
Type of magnitude ML
Reference to an origin 93246021
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-07-26 17:11:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.FOSV.EHZ. 2021-07-26T17:05:04.04 3.0 undecidable manual Sn 0.3 0
MN.BLY.HHZ. 2021-07-26T17:04:57.64 3.0 positive manual Pn 0.82 0
IV.CPGN.EHZ. 2021-07-26T17:04:57.52 3.0 undecidable manual Sn 2.56 0
IV.NARO.HHZ. 2021-07-26T17:04:55.56 3.0 undecidable manual Sn -4.19 0
IV.BRSN.HNZ. 2021-07-26T17:04:55.49 3.0 undecidable manual Sn 4.14 0
OT.OT14.EHZ. 2021-07-26T17:04:52.18 3.0 undecidable manual Pn 3.42 0
OT.OT13.EHZ. 2021-07-26T17:04:49.44 3.0 positive manual Pn -2.06 0
IV.ARCI.HHZ. 2021-07-26T17:04:44.12 3.0 undecidable manual Sg 0.67 0
IV.VOBA.EHZ. 2021-07-26T17:04:39.68 3.0 undecidable manual Sn 1.86 0
IV.VCEL.EHZ. 2021-07-26T17:04:39.03 3.0 undecidable manual Pg 12.55 0
IV.IMTC.HHZ. 2021-07-26T17:04:34.75 3.0 negative manual Pn -1.92 0
SI.ROSI.HHZ. 2021-07-26T17:04:30.43 3.0 positive manual Pg 13.83 0
IV.NARO.HHZ. 2021-07-26T17:04:22.92 3.0 undecidable manual Pg 12.09 0
ST.CARE.EHZ. 2021-07-26T17:04:18.28 3.0 positive manual Pg 11.36 0
IV.VIVA.HHZ. 2021-07-26T17:04:18.76 3.0 undecidable manual Pn -0.88 0
IV.RM33.HNZ. 2021-07-26T17:04:18.24 3.0 undecidable manual Pn -1.68 0
IV.MML1.EHZ. 2021-07-26T17:04:18.42 3.0 undecidable manual Pn 2.87 0
IV.MMUR.HNZ. 2021-07-26T17:04:16.93 3.0 undecidable manual Pn 1.75 0
IV.MCIV.CHZ. 2021-07-26T17:04:13.54 3.0 undecidable manual Pg 9.63 0
IV.GAVE.EHZ. 2021-07-26T17:04:10.63 3.0 negative manual Pn -5.45 0
IV.ZEN8.EHZ. 2021-07-26T17:04:04.78 3.0 undecidable manual Pn 4.53 0
IV.SBPO.HNZ. 2021-07-26T17:03:53.79 3.0 undecidable manual Pn -4.08 0
GU.RRL.HHE. 2021-07-26T17:03:51.74 0.6 undecidable manual S 346 1.3526 50 0.73 34
GU.PZZ.HHE. 2021-07-26T17:03:37.36 0.6 undecidable manual S 354 0.902 50 -0.32 45
GU.RRL.HHE. 2021-07-26T17:03:33.46 0.3 undecidable manual P 346 1.3526 50 0.55 57
GU.GBOS.HHZ. 2021-07-26T17:03:33.62 0.6 undecidable manual S 34 0.7608 50 0.14 47
GU.ENR.HHZ. 2021-07-26T17:03:29.60 0.6 undecidable manual S 11 0.6313 50 -0.05 49
GU.STV.HHZ. 2021-07-26T17:03:29.45 0.6 undecidable manual S 5 0.6376 50 -0.4 47
GU.MGRO.HHZ. 2021-07-26T17:03:28.66 0.6 undecidable manual S 43 0.59 50 0.22 48
GU.IMI.HHZ. 2021-07-26T17:03:27.20 0.6 undecidable manual S 57 0.5522 50 -0.1 48
GU.PZZ.HHE. 2021-07-26T17:03:25.16 0.1 undecidable manual P 354 0.902 50 -0.05 93
FR.SAOF.HHZ.00 2021-07-26T17:03:23.82 0.3 undecidable manual S 30 0.4344 50 -0.01 77
GU.GBOS.HHZ. 2021-07-26T17:03:22.91 0.1 undecidable manual P 34 0.7608 50 0.12 96
GU.STV.HHZ. 2021-07-26T17:03:20.48 0.1 undecidable manual P 5 0.6376 50 -0.21 96
GU.ENR.HHZ. 2021-07-26T17:03:20.50 0.1 undecidable manual P 11 0.6313 50 -0.08 99
GU.MGRO.HHZ. 2021-07-26T17:03:19.92 0.1 undecidable manual P 43 0.59 50 0.05 100
GU.IMI.HHZ. 2021-07-26T17:03:19.21 0.1 undecidable manual P 57 0.5522 50 -0.01 98
GU.BURY.HHZ. 2021-07-26T17:03:19.69 0.6 undecidable manual S 52 0.2806 50 0.44 35
FR.SAOF.HHZ.00 2021-07-26T17:03:17.04 0.1 undecidable manual P 30 0.4344 50 -0.17 100
GU.BURY.HHZ. 2021-07-26T17:03:14.55 0.1 undecidable manual P 52 0.2806 50 -0.02 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.BURY.HHN. ML:1.3 9.295E-5 0.24 AML other m 2021-07-26T17:03:19.91
GU.BURY.HHE. ML:1.4 0.0001275 0.52 AML other m 2021-07-26T17:03:20.10
FR.SAOF.HHN.00 ML:1.4 7.44E-5 0.06 AML other m 2021-07-26T17:03:25.37
FR.SAOF.HHE.00 ML:1.4 7.19E-5 0.06 AML other m 2021-07-26T17:03:25.39
GU.IMI.HHE. ML:1.4 4.72E-5 0.28 AML other m 2021-07-26T17:03:27.54
GU.IMI.HHN. ML:1.5 6.68E-5 0.8 AML other m 2021-07-26T17:03:28.38
GU.STV.HHN. ML:1.2 2.725E-5 0.18 AML other m 2021-07-26T17:03:31.13
GU.ENR.HHE. ML:1.5 5.165E-5 0.68 AML other m 2021-07-26T17:03:31.63
GU.ENR.HHN. ML:1.6 6.34E-5 0.06 AML other m 2021-07-26T17:03:32.09
GU.STV.HHE. ML:1.3 2.77E-5 1.06 AML other m 2021-07-26T17:03:32.68
GU.GBOS.HHE. ML:1.4 2.775E-5 0.62 AML other m 2021-07-26T17:03:33.63
GU.GBOS.HHN. ML:1.3 2.335E-5 0.42 AML other m 2021-07-26T17:03:34.26
IV.CPGN.HNE. ML:3.7 0.000285 0.42 AML other m 2021-07-26T17:04:12.41
IV.CPGN.HNN. ML:3.7 0.0002835 0.58 AML other m 2021-07-26T17:04:12.57
IV.VOBA.EHN. ML:3.3 0.0001915 0.18 AML other m 2021-07-26T17:04:13.10
IV.CPGN.EHN. ML:3.3 0.00010375 0.42 AML other m 2021-07-26T17:04:14.21
IV.CPGN.EHE. ML:3.1 7.655E-5 0.44 AML other m 2021-07-26T17:04:20.88
IV.ZEN8.HNE. ML:4.4 0.0020165 0.86 AML other m 2021-07-26T17:04:25.74
IV.ZEN8.HNN. ML:4.3 0.00163815 0.86 AML other m 2021-07-26T17:04:25.77
IV.ARCI.HNN. ML:3 8.245E-5 0.42 AML other m 2021-07-26T17:04:26.76
IV.ARCI.HNE. ML:3.1 9.39E-5 1.58 AML other m 2021-07-26T17:04:39.08
IV.NARO.HHN. ML:2.7 2.515E-5 0.54 AML other m 2021-07-26T17:04:41.58
IV.VOBA.EHE. ML:3.3 0.0001605 0.26 AML other m 2021-07-26T17:04:48.68
IV.NARO.HHE. ML:2.7 2.25E-5 1.38 AML other m 2021-07-26T17:05:15.03
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