Earthquake with magnitude of ML 1.7 on date 24-06-2021 and time 09:06:18 (Italy) in region Confine Italia Francia (FRANCIA)

A magnitude ML 1.7 earthquake occured in region: Confine Italia Francia (FRANCIA), on

  • 24-06-2021 07:06:18 (UTC)
  • 24-06-2021 09:06:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.7220, 6.7290 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
75 Km W of Cuneo (56081 inhabitants)
82 Km W of Moncalieri (57294 inhabitants)
85 Km W 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 1.7 2021-06-24
07:06:18
44.7217 6.7288 10 2021-12-29
11:12:32
Bollettino Sismico Italiano INGV 95815871
Reviewed
Rev100
ML 1.7 2021-06-24
07:06:18
44.7283 6.7252 10 2021-06-24
07:16:19
Sala Sismica INGV-Roma 91805011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-24 07:06:18 ± 0.18
Latitude 44.7217 ± 0.0063
Longitude 6.7288 ± 0.0089
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 95815871

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 653
Semi-minor axis of confidence ellipse (meter) 576
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 250
Circular confidence region, given by single value of horizontal uncertainty (meter) 650.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 150
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.20415
Epicentral distance of station farthest from the epicenter (degree) 1.30492
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 91805011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-06-24 07:16:19

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 95815871
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-09-24 07:59:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.PCP.HHZ. 2021-06-24T07:06:59.80 0.6 undecidable manual S 97 144.8439 50 -0.32 38
IV.QLNO.HHZ. 2021-06-24T07:06:57.32 1.0 undecidable manual S 108 135.2646 50 -0.26 20
GU.CIRO.HHZ. 2021-06-24T07:06:53.22 0.3 undecidable manual S 34 117.6933 50 0.34 60
GU.PCP.HHZ. 2021-06-24T07:06:43.11 0.6 undecidable manual P 97 144.8439 50 0.51 36
IV.QLNO.HHZ. 2021-06-24T07:06:41.67 0.6 undecidable manual P 108 135.2646 50 0.54 37
GU.ENR.HHZ. 2021-06-24T07:06:41.94 0.3 undecidable manual S 135 77.1672 50 -0.14 68
GU.STV.HHE. 2021-06-24T07:06:40.24 0.3 undecidable manual S 138 70.9734 50 -0.16 68
RD.ORIF.BHZ. 2021-06-24T07:06:39.81 0.3 undecidable manual S 288 70.2741 50 -0.41 65
GU.CIRO.HHZ. 2021-06-24T07:06:38.90 0.6 undecidable manual P 34 117.6933 50 0.49 39
GU.BHB.HHZ. 2021-06-24T07:06:33.26 0.3 undecidable manual S 73 43.9227 50 0.07 73
GU.STV.HHE. 2021-06-24T07:06:32.00 1.0 undecidable manual P 138 70.9734 50 0.79 19
GU.ENR.HHZ. 2021-06-24T07:06:32.72 0.3 undecidable manual P 135 77.1672 50 0.54 62
RD.ORIF.BHZ. 2021-06-24T07:06:31.53 0.3 undecidable manual P 288 70.2741 50 0.42 65
MN.BNI.HHN. 2021-06-24T07:06:31.16 0.3 undecidable manual S 354 36.8298 50 -0.15 73
GU.PZZ.HHZ. 2021-06-24T07:06:31.27 0.3 undecidable manual S 128 38.7279 50 -0.55 66
GU.BHB.HHZ. 2021-06-24T07:06:26.98 0.1 positive manual P 73 43.9227 50 -0.07 98
GU.RRL.HHZ. 2021-06-24T07:06:26.89 0.3 undecidable manual S 12 22.6551 113 -0.27 73
GU.PZZ.HHZ. 2021-06-24T07:06:26.12 0.3 undecidable manual P 128 38.7279 50 -0.14 73
MN.BNI.HHN. 2021-06-24T07:06:25.99 0.3 undecidable manual P 354 36.8298 50 0.03 75
GU.RRL.HHZ. 2021-06-24T07:06:23.43 0.1 positive manual P 12 22.6551 113 -0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.RRL.HHN. ML:1.8 0.0004335 0.26 AML other m 2021-06-24T07:06:27.79
GU.RRL.HHE. ML:1.9 0.00054 0.78 AML other m 2021-06-24T07:06:28.01
GU.PZZ.HHE. ML:2.3 0.0007775000000000001 0.24 AML other m 2021-06-24T07:06:32.67
GU.PZZ.HHN. ML:2.1 0.000415 1.54 AML other m 2021-06-24T07:06:32.14
GU.BHB.HHE. ML:1.9 0.000224 0.16 AML other m 2021-06-24T07:06:33.55
GU.BHB.HHN. ML:1.8 0.0001915 0.14 AML other m 2021-06-24T07:06:33.61
RD.ORIF.BHN. ML:1.6 0.00006405 0.76 AML other m 2021-06-24T07:06:42.39
GU.ENR.HHE. ML:1.7 0.00007195 0.48 AML other m 2021-06-24T07:06:44.01
GU.ENR.HHN. ML:1.7 0.00008094999999999999 1.06 AML other m 2021-06-24T07:06:44.02
RD.ORIF.BHE. ML:1.4 0.0000466 1.2 AML other m 2021-06-24T07:06:45.03
GU.CIRO.HHN. ML:1.6 0.000029949999999999996 0.46 AML other m 2021-06-24T07:06:57.12
GU.CIRO.HHE. ML:1.7 0.0000335 1.32 AML other m 2021-06-24T07:06:57.81
GU.PCP.HHE. ML:1.6 0.000020749999999999996 1.18 AML other m 2021-06-24T07:07:05.28
GU.PCP.HHN. ML:1.6 0.0000197 0.68 AML other m 2021-06-24T07:07:06.84
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