Earthquake with magnitude of ML 0.7 on date 11-09-2021 and time 15:41:40 (Italy) in region 5 km SW Oncino (CN)

A magnitude ML 0.7 earthquake occured in region: 5 km SW Oncino (CN), on

  • 11-09-2021 13:41:40 (UTC)
  • 11-09-2021 15:41:40 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.6370, 7.1630 at 10 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
Oncino CN 5 76 76
Ostana CN 7 83 159
Sampeyre CN 7 1022 1181
Crissolo CN 7 168 1349
Casteldelfino CN 9 157 1506
Paesana CN 11 2784 4290
Pontechianale CN 11 179 4469
Frassino CN 12 265 4734
Elva CN 12 97 4831
Sanfront CN 13 2395 7226
Bellino CN 13 109 7335
Stroppo CN 15 103 7438
Gambasca CN 15 371 7809
Rifreddo CN 15 1078 8887
Melle CN 15 292 9179
Macra CN 15 59 9238
Martiniana Po CN 16 734 9972
Barge CN 16 7774 17746
Celle di Macra CN 17 100 17846
Brossasco CN 17 1084 18930
Envie CN 17 2074 21004
RorĂ  TO 18 257 21261
Valmala CN 18 52 21313
San Damiano Macra CN 18 430 21743
Revello CN 18 4262 26005
Isasca CN 18 76 26081
Bagnolo Piemonte CN 18 6024 32105
Prazzo CN 19 170 32275
Villar Pellice TO 19 1076 33351
Bobbio Pellice TO 19 563 33914
Brondello CN 20 290 34204
Lusernetta TO 20 506 34710

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km NW of Cuneo (56081 inhabitants)
58 Km SW of Moncalieri (57294 inhabitants)
64 Km SW of Torino (890529 inhabitants)
87 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 0.7 2021-09-11
13:41:40
44.6368 7.1627 10 2021-09-11
13:48:47
Sala Sismica INGV-Roma 95305561
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-11 13:41:40 ± 0.13
Latitude 44.6368 ± 0.0063
Longitude 7.1627 ± 0.0177
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 95305561

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1417
Semi-minor axis of confidence ellipse (meter) 62
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 86
Circular confidence region, given by single value of horizontal uncertainty (meter) 1420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 123
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.13490
Epicentral distance of station farthest from the epicenter (degree) 0.70777
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 15
Type of magnitude ML
Reference to an origin 95305561
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-11 13:48:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.STV.HHZ. 2021-09-11T13:41:55.06 0.6 undecidable manual S 163 45.3213 50 -0.33 62
GU.RRL.HHZ. 2021-09-11T13:41:54.09 0.6 undecidable manual S 317 43.0236 50 -0.68 56
FR.SAOF.HHE.00 2021-09-11T13:41:53.54 1.0 undecidable manual P 157 78.5658 50 -0.72 26
GU.GBOS.HHZ. 2021-09-11T13:41:52.97 0.6 undecidable manual P 129 69.2751 50 0.14 61
GU.RSP.HHZ. 2021-09-11T13:41:51.54 0.6 undecidable manual P 8 57.2982 50 0.56 57
MN.BNI.HHE. 2021-09-11T13:41:51.75 0.6 undecidable manual P 321 59.7957 50 0.39 59
GU.STV.HHZ. 2021-09-11T13:41:49.24 1.0 negative manual P 163 45.3213 50 0.1 32
GU.ENR.HHZ. 2021-09-11T13:41:49.85 0.3 positive manual P 156 49.5171 50 0.07 97
GU.RRL.HHZ. 2021-09-11T13:41:49.01 0.6 positive manual P 317 43.0236 50 0.23 63
GU.BHB.HHZ. 2021-09-11T13:41:48.88 0.6 undecidable manual S 20 23.3544 113 -0.58 60
GU.PZZ.HHZ. 2021-09-11T13:41:46.57 0.6 undecidable manual S 194 14.9739 124 -0.3 65
GU.BHB.HHZ. 2021-09-11T13:41:45.86 0.3 undecidable manual P 20 23.3544 113 0.14 100
GU.PZZ.HHZ. 2021-09-11T13:41:44.53 0.3 undecidable manual P 194 14.9739 124 0.31 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.PZZ.HHE. ML:1.1 0.00011609925 0.2368 AML other m 2021-09-11T13:41:47.34
GU.PZZ.HHN. ML:1.0 0.00009399689 0.1792 AML other m 2021-09-11T13:41:47.81
GU.BHB.HHE. ML:0.8 0.000035799999999999996 1.56 AML other m 2021-09-11T13:41:49.11
GU.BHB.HHN. ML:0.8 0.000034553624999999996 0.1408 AML other m 2021-09-11T13:41:49.60
GU.STV.HHN. ML:0.7 0.0000162 0.36 AML other m 2021-09-11T13:41:55.33
GU.STV.HHE. ML:0.7 0.00001645 0.2 AML other m 2021-09-11T13:41:55.37
GU.ENR.HHE. ML:0.9 0.0000213 0.82 AML other m 2021-09-11T13:41:56.46
GU.RRL.HHN. ML:0.5 0.000009905764 0.1216 AML other m 2021-09-11T13:41:56.92
GU.ENR.HHN. ML:0.9 0.00002225 0.8 AML other m 2021-09-11T13:41:57.46
GU.RRL.HHE. ML:0.5 0.000007869503999999999 0.16 AML other m 2021-09-11T13:41:55.54
GU.BHB.HNE. ML:0.8 0.000044429685000000005 0.416 AML other m 2021-09-11T13:41:49.11
GU.BHB.HNN. ML:0.8 0.000040157041500000006 0.16 AML other m 2021-09-11T13:41:49.61
GU.RSP.HHE. ML:0.4 0.00000682872 0.1024 AML other m 2021-09-11T13:41:59.14
GU.RSP.HHN. ML:0.4 0.0000074685485 0.064 AML other m 2021-09-11T13:41:59.89
GU.GBOS.HHE. ML:0.5 0.000005810178 0.1216 AML other m 2021-09-11T13:42:01.98
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download