Earthquake with magnitude of ML 2.2 on date 21-10-2017 and time 15:33:17 (UTC) in region 6 km NW Acceglio (CN)

A magnitude ML 2.2 earthquake occured in region: 6 km NW Acceglio (CN), on

  • 21-10-2017 15:33:17 (UTC)
  • 21-10-2017 17:33:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.5230, 6.9530 at 12 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
Acceglio CN 6 162 162
Bellino CN 8 109 271
Prazzo CN 9 170 441
Elva CN 11 97 538
Casteldelfino CN 12 157 695
Pontechianale CN 13 179 874
Canosio CN 13 80 954
Marmora CN 13 68 1022
Stroppo CN 14 103 1125
Argentera CN 16 83 1208
Macra CN 18 59 1267
Celle di Macra CN 19 100 1367
Sampeyre CN 20 1022 2389

Municipalities with at least 50000 inhabitants

An earthquake occurred to
50 Km W of Cuneo (56081 inhabitants)
79 Km SW of Moncalieri (57294 inhabitants)
84 Km SW of Torino (890529 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 2.2 2017-10-21
15:33:17
44.5232 6.9532 12 2018-09-04
09:08:00
Bollettino Sismico Italiano INGV 53602781
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-10-21 15:33:17 ± 0.07
Latitude 44.5232 ± 0.0045
Longitude 6.9532 ± 0.0050
Depth (km) 12 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 53602781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 497
Semi-minor axis of confidence ellipse (meter) 225
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 214
Circular confidence region, given by single value of horizontal uncertainty (meter) 500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 149
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.24826
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 19
Magnitude information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 28
Type of magnitude ML
Reference to an origin 53602781
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-05-07 09:19:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
RD.PGF.BHN. 2017-10-21T15:34:28.52 3.0 undecidable manual Sn 0.7 0
IV.MILN.HHN. 2017-10-21T15:34:16.70 3.0 undecidable manual Sn 3.46 0
IV.CAPR.HNZ. 2017-10-21T15:34:00.42 3.0 undecidable manual Pn 4.8 0
RD.PGF.BHZ. 2017-10-21T15:33:56.98 3.0 positive manual Pn 0.15 0
GU.MGRO.HHZ. 2017-10-21T15:33:43.20 0.6 undecidable manual S 128 86.3469 90 0.23 42
IV.MRGE.HHE. 2017-10-21T15:33:40.65 0.6 undecidable manual P 3 138.5613 90 0.41 37
FR.SAOF.HHZ.00 2017-10-21T15:33:40.08 0.6 undecidable manual S 141 76.2681 90 -0.22 42
GU.GBOS.HHN. 2017-10-21T15:33:40.64 0.3 undecidable manual S 114 76.9674 90 0.18 65
GU.RSP.HHZ. 2017-10-21T15:33:39.21 0.3 undecidable manual S 19 73.5708 90 -0.35 62
GU.PCP.HHE. 2017-10-21T15:33:38.70 0.6 undecidable manual P 89 125.874 90 0.4 37
GU.CIRO.HHE. 2017-10-21T15:33:38.77 0.6 undecidable manual P 22 128.9709 90 0 40
MN.BNI.HHZ. 2017-10-21T15:33:36.64 0.3 undecidable manual S 340 62.5929 90 0.02 68
IV.QLNO.HHZ. 2017-10-21T15:33:36.67 0.6 undecidable manual P 101 112.4985 90 0.44 38
GU.LSD.HHZ. 2017-10-21T15:33:35.32 0.6 undecidable manual P 8 104.8173 90 0.27 40
IV.IMI.HHN. 2017-10-21T15:33:34.81 0.6 undecidable manual P 132 101.0211 90 0.35 40
GU.RORO.HHZ. 2017-10-21T15:33:34.25 0.6 undecidable manual P 117 99.4227 90 0.04 43
GU.BURY.HHN. 2017-10-21T15:33:33.92 0.6 undecidable manual P 149 95.1381 90 0.36 40
RD.ORIF.BHZ. 2017-10-21T15:33:33.49 0.6 undecidable manual P 298 95.238 90 -0.09 42
GU.ENR.HHE. 2017-10-21T15:33:32.81 0.3 undecidable manual S 131 49.5171 91 -0.34 65
GU.MGRO.HHZ. 2017-10-21T15:33:32.78 1.0 undecidable manual P 128 86.3469 90 0.59 19
GU.RRL.HHN. 2017-10-21T15:33:32.30 0.6 undecidable manual S 344 45.9207 91 0.11 47
GU.GBOS.HHN. 2017-10-21T15:33:31.06 0.3 undecidable manual P 114 76.9674 90 0.31 63
FR.SAOF.HHZ.00 2017-10-21T15:33:31.02 0.6 undecidable manual P 141 76.2681 90 0.37 42
GU.STV.HHN. 2017-10-21T15:33:30.79 0.3 undecidable manual S 136 42.7239 91 -0.54 63
GU.RSP.HHZ. 2017-10-21T15:33:30.64 0.3 undecidable manual P 19 73.5708 90 0.41 62
GU.BHB.HHE. 2017-10-21T15:33:30.71 0.3 undecidable manual S 35 42.4242 91 -0.53 63
MN.BNI.HHZ. 2017-10-21T15:33:28.19 0.6 undecidable manual P 340 62.5929 90 -0.34 42
GU.ENR.HHE. 2017-10-21T15:33:26.29 0.3 undecidable manual P 131 49.5171 91 -0.24 67
GU.STV.HHN. 2017-10-21T15:33:25.23 0.3 undecidable manual P 136 42.7239 91 -0.24 67
GU.BHB.HHE. 2017-10-21T15:33:25.56 0.3 undecidable manual P 35 42.4242 91 0.13 70
GU.RRL.HHN. 2017-10-21T15:33:25.84 0.3 undecidable manual P 344 45.9207 91 -0.13 68
GU.PZZ.HHE. 2017-10-21T15:33:23.12 0.3 undecidable manual S 98 12.9759 108 -0.31 70
GU.PZZ.HHE. 2017-10-21T15:33:20.93 0.1 positive manual P 98 12.9759 108 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.PZZ.HHN. ML:2.5 0.00311 0.54 AML other m 2017-10-21T15:33:23.39
GU.PZZ.HHE. ML:2.4 0.002645 0.2 AML other m 2017-10-21T15:33:23.64
GU.STV.HHN. ML:2.2 0.0005565 0.24 AML other m 2017-10-21T15:33:31.15
GU.STV.HHE. ML:2.1 0.00039150000000000003 0.26 AML other m 2017-10-21T15:33:31.38
GU.BHB.HHN. ML:2.1 0.00041749999999999996 1.68 AML other m 2017-10-21T15:33:31.03
GU.BHB.HHE. ML:2.1 0.00038849999999999996 1.32 AML other m 2017-10-21T15:33:32.13
GU.ENR.HHN. ML:2.3 0.0004955000000000001 1.12 AML other m 2017-10-21T15:33:33.03
GU.RRL.HHE. ML:2.0 0.0002535 1.46 AML other m 2017-10-21T15:33:33.82
GU.RRL.HHN. ML:1.9 0.0002525 0.18 AML other m 2017-10-21T15:33:33.20
GU.ENR.HHE. ML:2.3 0.0005200000000000001 1.56 AML other m 2017-10-21T15:33:34.02
MN.BNI.HHN. ML:2.0 0.0001945 0.28 AML other m 2017-10-21T15:33:37.97
MN.BNI.HHE. ML:2.2 0.0003235 0.92 AML other m 2017-10-21T15:33:39.59
GU.GBOS.HHN. ML:2.4 0.000383 1.64 AML other m 2017-10-21T15:33:40.84
GU.GBOS.HHE. ML:2.6 0.0006115 1.58 AML other m 2017-10-21T15:33:40.87
GU.RSP.HHE. ML:2.1 0.0001975 0.18 AML other m 2017-10-21T15:33:41.19
GU.RSP.HHN. ML:2.2 0.00023249999999999999 0.58 AML other m 2017-10-21T15:33:41.40
FR.SAOF.HHN.00 ML:2.2 0.00021250000000000002 0.56 AML other m 2017-10-21T15:33:41.71
FR.SAOF.HHE.00 ML:2.1 0.00018449999999999999 1.04 AML other m 2017-10-21T15:33:42.70
GU.MGRO.HHE. ML:2.3 0.000241 0.42 AML other m 2017-10-21T15:33:44.31
GU.MGRO.HHN. ML:2.4 0.00029800000000000003 1.56 AML other m 2017-10-21T15:33:44.87
RD.ORIF.BHN. ML:1.7 0.00005685 1.04 AML other m 2017-10-21T15:33:45.07
GU.RORO.HHE. ML:2.2 0.000155 1.14 AML other m 2017-10-21T15:33:46.81
RD.ORIF.BHE. ML:1.8 0.0000687 0.44 AML other m 2017-10-21T15:33:47.25
GU.RORO.HHN. ML:2.3 0.00020250000000000002 0.72 AML other m 2017-10-21T15:33:47.42
IV.IMI.HHE. ML:2.4 0.0002195 0.2 AML other m 2017-10-21T15:33:48.34
IV.IMI.HHN. ML:2.5 0.0003355 0.28 AML other m 2017-10-21T15:33:48.39
GU.LSD.HHE. ML:2.1 0.00012375 0.22 AML other m 2017-10-21T15:33:51.32
GU.LSD.HHN. ML:2.0 0.00008910000000000001 1.36 AML other m 2017-10-21T15:33:51.88
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