Earthquake with magnitude of ML 1.1 on date 16-05-2020 and time 23:24:11 (UTC) in region 1 km E San Didero (TO)

A magnitude ML 1.1 earthquake occured in region: 1 km E San Didero (TO), on

  • 16-05-2020 23:24:11 (UTC)
  • 17-05-2020 01:24:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.1320, 7.2300 at 11 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
San Didero TO 1 551 551
Borgone Susa TO 1 2229 2780
Villar Focchiardo TO 2 2042 4822
Bruzolo TO 3 1524 6346
San Giorio di Susa TO 4 1024 7370
Sant'Antonino di Susa TO 4 4306 11676
Chianocco TO 5 1675 13351
Vaie TO 6 1458 14809
Bussoleno TO 6 6094 20903
Condove TO 7 4638 25541
Caprie TO 8 2086 27627
Chiusa di San Michele TO 8 1647 29274
Mattie TO 9 687 29961
Coazze TO 10 3287 33248
Valgioie TO 11 951 34199
Sant'Ambrogio di Torino TO 11 4755 38954
Usseglio TO 11 209 39163
Lemie TO 12 179 39342
Rubiana TO 12 2400 41742
Villar Dora TO 12 2932 44674
Meana di Susa TO 13 826 45500
Almese TO 13 6401 51901
Mompantero TO 13 659 52560
Giaveno TO 14 16455 69015
Avigliana TO 14 12516 81531
Susa TO 14 6466 87997
Gravere TO 16 692 88689
Roure TO 16 848 89537
ViĆ¹ TO 17 1051 90588
Giaglione TO 17 631 91219
Venaus TO 17 907 92126
Fenestrelle TO 18 544 92670
Val della Torre TO 18 3869 96539
Buttigliera Alta TO 18 6419 102958
Novalesa TO 18 534 103492
Reano TO 18 1818 105310
Trana TO 18 3877 109187
Usseaux TO 18 186 109373
Balme TO 19 115 109488
Chiomonte TO 19 916 110404
Perosa Argentina TO 19 3285 113689
Rosta TO 20 4903 118592
Pomaretto TO 20 1009 119601
Cumiana TO 20 7826 127427

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km W of Torino (890529 inhabitants)
39 Km W of Moncalieri (57294 inhabitants)
81 Km W of Asti (76202 inhabitants)
86 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
Reviewed
Rev100
ML 1.1 2020-05-16
23:24:11
45.1315 7.2297 11 2020-05-16
23:32:33
Sala Sismica INGV-Roma 79212921
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-16 23:24:11 ± 0.21
Latitude 45.1315 ± 0.0090
Longitude 7.2297 ± 0.0229
Depth (km) 11 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 79212921

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1485
Semi-minor axis of confidence ellipse (meter) 1054
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 103
Circular confidence region, given by single value of horizontal uncertainty (meter) 1480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 118
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.47
Epicentral distance of station closest to the epicenter (degree) 0.03058
Epicentral distance of station farthest from the epicenter (degree) 0.52700
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 79212921
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-16 23:32:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.RRL.HHZ. 2020-05-16T23:24:25.22 0.1 undecidable manual S 236 41.625 90 -0.16 93
GU.LSD.HHZ. 2020-05-16T23:24:23.40 0.3 undecidable manual S 348 37.1295 91 -0.79 58
GU.BHB.HHZ. 2020-05-16T23:24:22.45 0.1 undecidable manual S 175 32.9448 91 -0.63 82
GU.CIRO.HHZ. 2020-05-16T23:24:22.48 0.1 undecidable manual P 27 58.497 90 0.23 90
GU.RRL.HHZ. 2020-05-16T23:24:20.16 0.3 undecidable manual P 236 41.625 90 0.51 65
GU.LSD.HHZ. 2020-05-16T23:24:19.23 0.1 undecidable manual P 348 37.1295 91 0.26 92
GU.BHB.HHZ. 2020-05-16T23:24:18.45 0.1 undecidable manual P 175 32.9448 91 0.13 96
GU.RSP.HHZ. 2020-05-16T23:24:15.78 0.1 undecidable manual S 57 3.3966 158 -0.11 100
GU.RSP.HHZ. 2020-05-16T23:24:14.51 0.1 undecidable manual P 57 3.3966 158 0.34 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.RSP.HNE. ML:1.1 0.00018994999999999998 0.06 AML other m 2020-05-16T23:24:15.91
GU.RSP.HHE. ML:1.2 0.00023150000000000002 0.06 AML other m 2020-05-16T23:24:15.91
GU.RSP.HHN. ML:1.0 0.000165 1.86 AML other m 2020-05-16T23:24:15.03
GU.RSP.HNN. ML:1.0 0.0001505 1.88 AML other m 2020-05-16T23:24:15.97
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