Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 19-09-2020 and time 14:41:49 (UTC) in region 3 km SW Rorà (TO)

A magnitude ML 1.6 earthquake occured in region: 3 km SW Rorà (TO), on

  • 19-09-2020 14:41:49 (UTC)
  • 19-09-2020 16:41:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.7660, 7.1810 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Rorà TO 3 257 257
Villar Pellice TO 5 1076 1333
Bobbio Pellice TO 7 563 1896
Lusernetta TO 7 506 2402
Torre Pellice TO 7 4551 6953
Crissolo CN 8 168 7121
Luserna San Giovanni TO 8 7395 14516
Ostana CN 8 83 14599
Bibiana TO 9 3442 18041
Angrogna TO 9 889 18930
Oncino CN 10 76 19006
Bagnolo Piemonte CN 11 6024 25030
Paesana CN 12 2784 27814
Bricherasio TO 12 4616 32430
Barge CN 12 7774 40204
Campiglione Fenile TO 12 1390 41594
Prarostino TO 13 1273 42867
San Secondo di Pinerolo TO 15 3575 46442
Porte TO 15 1083 47525
Cavour TO 16 5545 53070
San Germano Chisone TO 16 1854 54924
Pramollo TO 16 258 55182
Osasco TO 16 1141 56323
Sanfront CN 17 2395 58718
Garzigliana TO 17 572 59290
Prali TO 17 246 59536
Envie CN 18 2074 61610
Villar Perosa TO 18 4092 65702
Pinerolo TO 18 35808 101510
Rifreddo CN 18 1078 102588
San Pietro Val Lemina TO 19 1448 104036
Macello TO 20 1229 105265
Perrero TO 20 659 105924
Pontechianale CN 20 179 106103
Gambasca CN 20 371 106474

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km SW of Moncalieri (57294 inhabitants)
51 Km NW of Cuneo (56081 inhabitants)
52 Km SW of Torino (890529 inhabitants)
82 Km W of Asti (76202 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 1.6 2020-09-19
14:41:49		 44.7655 7.1813 10 2021-02-26
14:56:18		 Bollettino Sismico Italiano INGV 86929611
Reviewed
Rev100 		ML 1.6 2020-09-19
14:41:49		 44.7502 7.1858 9 2020-09-19
14:55:45		 Sala Sismica INGV-Roma 83030971
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-19 14:41:49 ± 0.18
Latitude 44.7655 ± 0.0072
Longitude 7.1813 ± 0.0165
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 86929611

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1230
Semi-minor axis of confidence ellipse (meter) 668
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 67
Circular confidence region, given by single value of horizontal uncertainty (meter) 1230.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 90
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.20959
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 35
Type of magnitude ML
Reference to an origin 86929611
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-15 10:45:19

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 35
Type of magnitude ML
Reference to an origin 83030971
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-19 14:55:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PARC.HHZ. 2020-09-19T14:43:36.74 3.0 undecidable manual Sn -2.96 0
MN.VSL.HHZ. 2020-09-19T14:43:29.52 3.0 negative manual Pg 14.75 0
GU.GSCL.HHZ. 2020-09-19T14:43:13.98 3.0 undecidable manual Sg 6.94 0
IV.PESA.HHZ. 2020-09-19T14:43:07.21 3.0 undecidable manual Pg 10.71 0
IV.BRES.EHZ. 2020-09-19T14:42:55.00 3.0 undecidable manual Pn 4.76 0
GU.GSCL.HHZ. 2020-09-19T14:42:39.79 3.0 positive manual Pg 6.27 0
IV.EUCT.HNZ. 2020-09-19T14:42:37.92 3.0 undecidable manual S -3.77 0
GU.SATI.HHZ. 2020-09-19T14:42:11.53 0.6 undecidable manual P 23 134.2656 50 -0.09 40
GU.REMY.HHE. 2020-09-19T14:42:10.04 0.6 undecidable manual P 359 118.992 50 0.77 34
GU.PCP.HHZ. 2020-09-19T14:42:08.25 0.6 undecidable manual P 103 110.5005 50 0.29 40
IV.IMI.HHN. 2020-09-19T14:42:08.02 0.6 undecidable manual P 149 110.4006 50 0.08 42
IV.MRGE.HHZ. 2020-09-19T14:42:08.67 0.6 undecidable manual P 355 111.7992 50 0.51 38
RD.ORIF.BHZ. 2020-09-19T14:42:08.25 0.6 undecidable manual P 280 103.7184 50 1.33 27
IV.QLNO.HHZ. 2020-09-19T14:42:07.31 0.3 undecidable manual P 118 104.3178 50 0.31 61
GU.CANO.HHZ. 2020-09-19T14:42:07.24 0.3 undecidable manual P 126 104.0181 50 0.28 61
GU.STV.HHZ. 2020-09-19T14:42:06.82 0.6 undecidable manual S 169 58.8966 50 -1 34
GU.RORO.HHE. 2020-09-19T14:42:06.74 0.6 undecidable manual P 136 100.8213 50 0.27 41
FR.SAOF.HHZ.00 2020-09-19T14:42:05.24 0.6 undecidable manual P 161 91.3419 50 0.23 42
GU.CIRO.HHZ. 2020-09-19T14:42:05.69 0.6 undecidable manual P 18 97.6245 50 -0.28 41
GU.MGRO.HHZ. 2020-09-19T14:42:05.47 0.3 undecidable manual P 148 94.3389 50 0 66
GU.LSD.HHZ. 2020-09-19T14:42:03.11 0.3 undecidable manual P 357 77.0673 50 0.3 64
GU.GBOS.HHZ. 2020-09-19T14:42:03.16 0.3 undecidable manual P 138 78.0663 50 0.2 65
GU.RSP.HHZ. 2020-09-19T14:42:02.34 0.6 undecidable manual S 9 42.9237 50 -1.24 32
GU.ENR.HHZ. 2020-09-19T14:42:00.31 0.3 undecidable manual P 162 62.3931 50 -0.23 67
GU.RRL.HHZ. 2020-09-19T14:42:00.88 0.3 undecidable manual S 299 35.2425 50 -0.65 63
MN.BNI.HHZ. 2020-09-19T14:41:59.16 3.0 negative manual P 0.68 0
GU.PZZ.HHZ. 2020-09-19T14:41:59.21 0.3 undecidable manual S 190 29.1486 50 -0.69 62
GU.STV.HHZ. 2020-09-19T14:41:59.93 0.3 undecidable manual P 169 58.8966 50 -0.07 70
GU.RSP.HHZ. 2020-09-19T14:41:57.59 0.3 undecidable manual P 9 42.9237 50 0.04 72
GU.RRL.HHZ. 2020-09-19T14:41:56.63 0.1 undecidable manual P 299 35.2425 50 0.26 93
GU.PZZ.HHZ. 2020-09-19T14:41:55.61 0.1 undecidable manual P 190 29.1486 50 0.18 96
GU.BHB.HHZ. 2020-09-19T14:41:53.32 0.3 undecidable manual S 40 10.0788 133 -0.82 61
GU.BHB.HHZ. 2020-09-19T14:41:52.24 0.1 undecidable manual P 40 10.0788 133 0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.BHB.HHE. ML:1.7 0.0006557625 0.0768 AML other m 2020-09-19T14:41:53.42
GU.BHB.HHN. ML:1.9 0.000959198 0.096 AML other m 2020-09-19T14:41:53.43
GU.PZZ.HHN. ML:2.1 0.00068168305 0.1984 AML other m 2020-09-19T14:41:59.31
GU.PZZ.HHE. ML:2.1 0.0006724078 0.1792 AML other m 2020-09-19T14:41:59.56
GU.RRL.HHE. ML:1.8 0.0002547003 0.1024 AML other m 2020-09-19T14:42:01.14
GU.RRL.HHN. ML:1.6 0.00017642730000000002 0.0832 AML other m 2020-09-19T14:42:01.19
GU.RSP.HHN. ML:1.6 0.0001250541 1.8784 AML other m 2020-09-19T14:42:02.99
GU.RSP.HNN. ML:1.5 0.00010541762 1.8976 AML other m 2020-09-19T14:42:02.05
GU.RSP.HHE. ML:1.8 0.0001890315 0.096 AML other m 2020-09-19T14:42:03.68
GU.RSP.HNE. ML:1.7 0.0001666784 0.096 AML other m 2020-09-19T14:42:03.68
GU.STV.HHN. ML:1.4 0.000048767355 0.1792 AML other m 2020-09-19T14:42:08.13
GU.STV.HHE. ML:1.5 0.00006432841 0.1216 AML other m 2020-09-19T14:42:09.14
GU.ENR.HHE. ML:2.0 0.0001952094 0.0768 AML other m 2020-09-19T14:42:09.90
GU.ENR.HHN. ML:1.8 0.00011336313 0.0832 AML other m 2020-09-19T14:42:10.54
GU.GBOS.HHN. ML:1.5 0.000049177224999999996 0.1408 AML other m 2020-09-19T14:42:12.76
GU.LSD.HHE. ML:1.8 0.00009947015 1.8592 AML other m 2020-09-19T14:42:12.02
GU.LSD.HHN. ML:1.6 0.000060902365 0.3008 AML other m 2020-09-19T14:42:13.16
GU.GBOS.HHE. ML:1.4 0.00003772814 0.1216 AML other m 2020-09-19T14:42:13.58
GU.MGRO.HHN. ML:1.6 0.00003789432 0.3968 AML other m 2020-09-19T14:42:17.55
FR.SAOF.HHN.00 ML:1.4 0.000028838940000000002 0.16 AML other m 2020-09-19T14:42:17.92
FR.SAOF.HHE.00 ML:1.5 0.000034035135 0.2816 AML other m 2020-09-19T14:42:17.93
GU.MGRO.HHE. ML:1.4 0.000026429815 0.1984 AML other m 2020-09-19T14:42:19.55
IV.QLNO.HHE. ML:1.5 0.000031309795 0.2624 AML other m 2020-09-19T14:42:20.58
RD.ORIF.BHE. ML:1.4 0.000024671724999999998 0.2816 AML other m 2020-09-19T14:42:21.16
IV.QLNO.HHN. ML:1.6 0.000035855555 0.256 AML other m 2020-09-19T14:42:21.26
GU.CANO.HHN. ML:1.8 0.000060371874999999995 0.2816 AML other m 2020-09-19T14:42:21.77
RD.ORIF.BHN. ML:1.4 0.00002673231 0.32 AML other m 2020-09-19T14:42:22.32
GU.PCP.HHN. ML:1.5 0.000026558649999999997 0.16 AML other m 2020-09-19T14:42:23.07
GU.PCP.HHE. ML:1.5 0.00002678387 1.7952 AML other m 2020-09-19T14:42:23.06
IV.MRGE.HHE. ML:1.4 0.000018140105 0.1216 AML other m 2020-09-19T14:42:24.30
GU.CIRO.HHN. ML:1.2 0.0000145872985 0.16 AML other m 2020-09-19T14:42:24.60
GU.CIRO.HHE. ML:1.3 0.000018806355 0.32 AML other m 2020-09-19T14:42:24.43
IV.MRGE.HHN. ML:1.4 0.00001894558 0.2176 AML other m 2020-09-19T14:42:25.00
GU.SATI.HHE. ML:1.2 0.0000083145525 0.1792 AML other m 2020-09-19T14:42:30.60
GU.SATI.HHN. ML:1.2 0.000008555242 0.1792 AML other m 2020-09-19T14:42:31.10
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