Earthquake with magnitude of ML 1.3 on date 01-09-2021 and time 02:45:12 (Italy) in region 2 km E Perosa Argentina (TO)

A magnitude ML 1.3 earthquake occured in region: 2 km E Perosa Argentina (TO), on

  • 01-09-2021 00:45:12 (UTC)
  • 01-09-2021 02:45:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.9670, 7.2150 at 8 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
Perosa Argentina TO 2 3285 3285
Inverso Pinasca TO 2 730 4015
Pomaretto TO 3 1009 5024
Pinasca TO 3 3051 8075
Villar Perosa TO 6 4092 12167
Pramollo TO 7 258 12425
Roure TO 8 848 13273
San Germano Chisone TO 8 1854 15127
Perrero TO 8 659 15786
Porte TO 10 1083 16869
Cantalupa TO 10 2553 19422
San Pietro Val Lemina TO 10 1448 20870
Roletto TO 10 2009 22879
Frossasco TO 11 2864 25743
Coazze TO 11 3287 29030
Prarostino TO 12 1273 30303
Massello TO 13 51 30354
Cumiana TO 13 7826 38180
Pinerolo TO 13 35808 73988
San Secondo di Pinerolo TO 13 3575 77563
Salza di Pinerolo TO 13 75 77638
Angrogna TO 14 889 78527
Giaveno TO 14 16455 94982
Fenestrelle TO 15 544 95526
Prali TO 16 246 95772
Valgioie TO 16 951 96723
Villar Focchiardo TO 16 2042 98765
Vaie TO 16 1458 100223
Torre Pellice TO 16 4551 104774
Sant'Antonino di Susa TO 16 4306 109080
Osasco TO 17 1141 110221
Luserna San Giovanni TO 17 7395 117616
Bricherasio TO 17 4616 122232
Usseaux TO 17 186 122418
Chiusa di San Michele TO 17 1647 124065
Piscina TO 18 3388 127453
Borgone Susa TO 18 2229 129682
Trana TO 18 3877 133559
Villar Pellice TO 18 1076 134635
San Giorio di Susa TO 18 1024 135659
Condove TO 18 4638 140297
Lusernetta TO 18 506 140803
Buriasco TO 19 1410 142213
Sant'Ambrogio di Torino TO 19 4755 146968
Mattie TO 19 687 147655
San Didero TO 19 551 148206
Avigliana TO 19 12516 160722
Garzigliana TO 19 572 161294
Bobbio Pellice TO 19 563 161857
Caprie TO 19 2086 163943
RorĂ  TO 19 257 164200
Reano TO 19 1818 166018
Macello TO 20 1229 167247
Bussoleno TO 20 6094 173341
Sangano TO 20 3707 177048
Piossasco TO 20 18589 195637
Bruzolo TO 20 1524 197161
Bibiana TO 20 3442 200603

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km W of Moncalieri (57294 inhabitants)
39 Km W of Torino (890529 inhabitants)
69 Km NW of Cuneo (56081 inhabitants)
78 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
Reviewed
Rev100
ML 1.3 2021-09-01
00:45:12
44.9672 7.2153 8 2021-09-01
00:51:28
Sala Sismica INGV-Roma 94892041
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-01 00:45:12 ± 0.14
Latitude 44.9672 ± 0.0072
Longitude 7.2153 ± 0.0140
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 94892041

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 783
Semi-minor axis of confidence ellipse (meter) 736
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 272
Circular confidence region, given by single value of horizontal uncertainty (meter) 780.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 72
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.42
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.04771
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 94892041
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-01 00:51:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MRGE.HHZ. 2021-09-01T00:45:39.47 0.3 undecidable manual S 352 89.8434 50 -0.57 59
GU.CANO.HHZ. 2021-09-01T00:45:32.88 3.0 negative manual P -0.14 0
IV.QLNO.HHZ. 2021-09-01T00:45:32.71 3.0 positive manual P -0.01 0
GU.RORO.HHZ. 2021-09-01T00:45:32.99 1.0 undecidable manual P 144 116.2947 50 0.35 20
IV.MONC.HHZ. 2021-09-01T00:45:31.78 0.6 undecidable manual S 78 57.0984 50 0.49 43
GU.PZZ.HHZ. 2021-09-01T00:45:29.28 0.6 undecidable manual S 189 51.7038 50 -0.58 42
IV.MRGE.HHZ. 2021-09-01T00:45:29.19 0.6 negative manual P 352 89.8434 50 0.62 38
GU.GBOS.HHZ. 2021-09-01T00:45:28.47 1.0 undecidable manual P 148 94.4388 50 -0.8 18
GU.ENR.HHZ. 2021-09-01T00:45:26.74 0.1 undecidable manual P 169 83.3499 50 -0.83 72
GU.STV.HHZ. 2021-09-01T00:45:26.65 1.0 positive manual P 174 80.5638 50 -0.49 21
GU.TRAV.HHZ. 2021-09-01T00:45:25.80 0.3 positive manual P 34 73.2711 50 -0.22 66
GU.RRL.HHZ. 2021-09-01T00:45:24.71 0.6 undecidable manual S 261 33.744 103 -0.22 48
IV.MONC.HHZ. 2021-09-01T00:45:24.38 0.1 negative manual P 78 57.0984 50 0.87 74
GU.LSD.HHZ. 2021-09-01T00:45:23.17 0.6 undecidable manual P 353 55.0005 50 -0.03 48
GU.PZZ.HHZ. 2021-09-01T00:45:22.68 0.1 positive manual P 189 51.7038 50 -0.01 96
MN.BNI.HHZ. 2021-09-01T00:45:21.75 0.1 undecidable manual P 283 43.2234 50 0.38 91
GU.RRL.HHZ. 2021-09-01T00:45:20.35 0.1 negative manual P 261 33.744 103 0.51 89
GU.RSP.HHE. 2021-09-01T00:45:19.65 0.3 undecidable manual S 11 20.4684 111 -0.85 60
GU.BHB.HNZ. 2021-09-01T00:45:18.40 0.6 undecidable manual S 166 15.0738 118 -0.39 47
GU.RSP.HHE. 2021-09-01T00:45:17.38 0.1 undecidable manual P 11 20.4684 111 0.1 100
GU.BHB.HNZ. 2021-09-01T00:45:16.63 0.1 negative manual P 166 15.0738 118 0.33 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.BHB.HHE. ML:1.3 0.000203 0.1 AML other m 2021-09-01T00:45:18.95
GU.BHB.HHN. ML:1.6 0.0003745 1.86 AML other m 2021-09-01T00:45:18.05
GU.BHB.HNN. ML:1.5 0.00034250000000000003 1.86 AML other m 2021-09-01T00:45:18.05
GU.BHB.HNE. ML:1.3 0.0002045 1.36 AML other m 2021-09-01T00:45:19.95
GU.RRL.HHN. ML:1.2 0.00007055000000000001 1.86 AML other m 2021-09-01T00:45:25.94
GU.RRL.HHE. ML:1.2 0.00005815 1.84 AML other m 2021-09-01T00:45:25.02
GU.LSD.HHN. ML:1.3 0.000043650000000000004 1.14 AML other m 2021-09-01T00:45:29.42
GU.LSD.HHE. ML:1.4 0.00005495 0.72 AML other m 2021-09-01T00:45:29.77
MN.BNI.HHE. ML:0.5 0.00001229 0.72 AML other m 2021-09-01T00:45:29.46
MN.BNI.HHN. ML:0.7 0.000014200000000000001 0.18 AML other m 2021-09-01T00:45:30.41
GU.PZZ.HHE. ML:1.5 0.00007865 0.46 AML other m 2021-09-01T00:45:30.69
GU.PZZ.HHN. ML:1.5 0.0000824 0.74 AML other m 2021-09-01T00:45:31.50
IV.MONC.HHE. ML:1.6 0.00009575 0.6 AML other m 2021-09-01T00:45:34.31
IV.MONC.HHN. ML:1.6 0.0000922 1.7 AML other m 2021-09-01T00:45:35.90
GU.TRAV.HHE. ML:1.1 0.000018500000000000002 0.36 AML other m 2021-09-01T00:45:35.45
GU.TRAV.HHN. ML:1.1 0.0000204 0.3 AML other m 2021-09-01T00:45:36.93
GU.ENR.HHE. ML:1.4 0.000030350000000000002 0.42 AML other m 2021-09-01T00:45:38.70
GU.ENR.HHN. ML:1.2 0.000019299999999999998 0.88 AML other m 2021-09-01T00:45:39.51
IV.MRGE.HHN. ML:1.2 0.00002095 0.52 AML other m 2021-09-01T00:45:40.32
IV.MRGE.HHE. ML:1.1 0.000015899999999999997 0.58 AML other m 2021-09-01T00:45:40.25
GU.GBOS.HHN. ML:1.0 0.000008965000000000001 0.78 AML other m 2021-09-01T00:45:47.04
GU.GBOS.HHE. ML:1.0 0.000008745 1.58 AML other m 2021-09-01T00:45:48.07
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