Earthquake with magnitude of ML 1.1 on date 13-07-2020 and time 13:49:25 (Italy) in region Confine Italia Francia (FRANCIA)

A magnitude ML 1.1 earthquake occured in region: Confine Italia Francia (FRANCIA), on

  • 13-07-2020 11:49:25 (UTC)
  • 13-07-2020 13:49:25 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.8300, 6.6320 at 9 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
Claviere TO 15 214 214
Cesana Torinese TO 19 967 1181

Municipalities with at least 50000 inhabitants

An earthquake occurred to
85 Km W of Moncalieri (57294 inhabitants)
87 Km W of Torino (890529 inhabitants)
88 Km NW 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 1.1 2020-07-13
11:49:25
44.83 6.6322 9 2020-11-19
12:36:57
Bollettino Sismico Italiano INGV 81752211
Reviewed
Rev100
ML 1.1 2020-07-13
11:49:24
44.8307 6.6267 10 2020-07-13
11:53:35
Sala Sismica INGV-Roma 81003311
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-13 11:49:25 ± 0.36
Latitude 44.8300 ± 0.0189
Longitude 6.6322 ± 0.0190
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 81752211

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1946
Semi-minor axis of confidence ellipse (meter) 1416
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 8
Circular confidence region, given by single value of horizontal uncertainty (meter) 1950.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 147
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.14479
Epicentral distance of station farthest from the epicenter (degree) 0.72216
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 81752211
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-08-08 01:54:59

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 81003311
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-13 11:53:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.LSD.HHN. 2020-07-13T11:49:48.26 0.6 undecidable manual S 29 80.1642 50 -1.07 32
GU.RSP.HHZ. 2020-07-13T11:49:44.48 0.6 undecidable manual S 54 60.8946 50 0.27 45
RD.ORIF.BHZ. 2020-07-13T11:49:43.24 0.3 undecidable manual S 280 59.8956 50 -0.7 59
GU.PZZ.HHZ. 2020-07-13T11:49:41.79 0.6 undecidable manual S 133 52.4031 50 -0.13 47
GU.LSD.HHN. 2020-07-13T11:49:39.68 0.3 undecidable manual P 29 80.1642 50 0.61 59
RD.ORIF.BHZ. 2020-07-13T11:49:36.46 0.1 undecidable manual P 280 59.8956 50 0.5 85
GU.RSP.HHZ. 2020-07-13T11:49:36.65 0.3 undecidable manual P 54 60.8946 50 0.54 63
GU.PZZ.HHZ. 2020-07-13T11:49:34.24 0.6 undecidable manual P 133 52.4031 50 -0.55 42
GU.RRL.HHZ. 2020-07-13T11:49:31.00 0.3 undecidable manual S 51 16.0728 120 -0.44 70
GU.RRL.HHZ. 2020-07-13T11:49:28.86 0.1 undecidable manual P 51 16.0728 120 0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.RRL.HHE. ML:1.3 0.00017749999999999998 0.34 AML other m 2020-07-13T11:49:31.26
GU.RRL.HHN. ML:1.0 0.0001065 0.58 AML other m 2020-07-13T11:49:31.46
RD.ORIF.BHE. ML:1.0 0.0000188 0.24 AML other m 2020-07-13T11:49:43.79
RD.ORIF.BHN. ML:0.9 0.00001695 0.24 AML other m 2020-07-13T11:49:43.73
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