Earthquake with magnitude of ML 1.2 on date 28-09-2015 and time 17:29:55 (Italy) in region 1 km SW Coassolo Torinese (TO)

A magnitude ML 1.2 earthquake occured in region: 1 km SW Coassolo Torinese (TO), on

  • 28-09-2015 15:29:55 (UTC)
  • 28-09-2015 17:29:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.2950, 7.4580 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
Coassolo Torinese TO 1 1547 1547
Monastero di Lanzo TO 2 350 1897
Lanzo Torinese TO 3 5086 6983
Traves TO 3 518 7501
Germagnano TO 4 1201 8702
Pessinetto TO 4 606 9308
Mezzenile TO 5 786 10094
Balangero TO 6 3156 13250
Ceres TO 6 1065 14315
Corio TO 6 3277 17592
Cafasse TO 7 3451 21043
Mathi TO 8 3921 24964
Cantoira TO 8 564 25528
Vallo Torinese TO 9 774 26302
Viù TO 9 1051 27353
Grosso TO 9 1018 28371
Villanova Canavese TO 10 1186 29557
Varisella TO 10 810 30367
Rocca Canavese TO 10 1708 32075
Fiano TO 10 2695 34770
Nole TO 10 6892 41662
Chialamberto TO 12 345 42007
Forno Canavese TO 12 3446 45453
Levone TO 12 442 45895
Ala di Stura TO 12 469 46364
Vauda Canavese TO 13 1464 47828
Pratiglione TO 13 535 48363
San Carlo Canavese TO 13 4031 52394
La Cassa TO 13 1788 54182
Ciriè TO 13 18909 73091
Barbania TO 14 1607 74698
Robassomero TO 14 3057 77755
Locana TO 14 1498 79253
Rivara TO 14 2659 81912
Canischio TO 14 277 82189
Lemie TO 15 179 82368
Prascorsano TO 15 745 83113
Sparone TO 15 1038 84151
Givoletto TO 15 3914 88065
Val della Torre TO 15 3869 91934
Pertusio TO 16 778 92712
Ribordone TO 16 53 92765
Groscavallo TO 16 204 92969
San Colombano Belmonte TO 16 383 93352
San Maurizio Canavese TO 16 10237 103589
Busano TO 16 1687 105276
Alpette TO 16 261 105537
Front TO 16 1677 107214
San Francesco al Campo TO 17 5005 112219
San Ponso TO 18 267 112486
Pont-Canavese TO 18 3483 115969
Valperga TO 18 3166 119135
San Gillio TO 18 3174 122309
Rubiana TO 18 2400 124709
Cuorgnè TO 19 9906 134615
Favria TO 19 5196 139811
Balme TO 19 115 139926
Oglianico TO 19 1506 141432
Salassa TO 20 1838 143270
Frassinetto TO 20 274 143544
Caselle Torinese TO 20 19136 162680
Usseglio TO 20 209 162889
Druento TO 20 8622 171511

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NW of Torino (890529 inhabitants)
37 Km NW of Moncalieri (57294 inhabitants)
73 Km NW of Asti (76202 inhabitants)
93 Km W of Novara (104380 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 1.2 2015-09-28
15:29:55
45.2947 7.4578 10 2015-09-28
15:34:30
Sala Sismica INGV-Roma 21618051
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2015-09-28 15:29:55 ± 0.28
Latitude 45.2947 ± 0.0225
Longitude 7.4578 ± 0.0422
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 21618051

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 4020
Semi-minor axis of confidence ellipse (meter) 1080
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 305
Circular confidence region, given by single value of horizontal uncertainty (meter) 4020.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 154
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.53
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.58276
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 21618051
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2015-09-28 15:34:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.RRL.HHZ. 2015-09-28T15:30:09.26 3.0 negative manual P 0.24 0
GU.SATI.HHZ. 2015-09-28T15:30:09.55 3.0 undecidable manual P -0.2 0
GU.REMY.HHZ. 2015-09-28T15:30:07.81 0.3 positive manual P 339 64.6908 50 0.73 60
IV.MRGE.HHZ. 2015-09-28T15:30:07.14 1.0 undecidable manual P 330 61.0944 50 0.61 21
GU.TRAV.HHZ. 2015-09-28T15:30:06.74 0.1 undecidable manual S 43 33.0447 50 -0.34 97
GU.CIRO.HHZ. 2015-09-28T15:30:06.88 0.1 undecidable manual S 14 35.1426 50 -0.76 84
GU.BHB.HHZ. 2015-09-28T15:30:05.74 1.0 undecidable manual P 197 53.2023 50 0.42 23
GU.CIRO.HHZ. 2015-09-28T15:30:03.01 1.0 positive manual P 14 35.1426 50 0.48 23
GU.RSP.HHZ. 2015-09-28T15:30:03.37 0.1 undecidable manual S 223 22.1556 114 -0.62 91
GU.TRAV.HHZ. 2015-09-28T15:30:02.95 0.3 undecidable manual P 43 33.0447 50 0.74 64
GU.RSP.HHZ. 2015-09-28T15:30:00.70 0.1 negative manual P 223 22.1556 114 0.27 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.CIRO.HHE. ML:1.1 0.0000486 0.16 AML other m 2015-09-28T15:30:07.10
GU.CIRO.HHN. ML:0.9 0.0000371 0.16 AML other m 2015-09-28T15:30:07.20
IV.MRGE.HHN. ML:1.2 0.0000324 0.72 AML other m 2015-09-28T15:30:15.16
IV.MRGE.HHE. ML:1.0 0.0000202 1.18 AML other m 2015-09-28T15:30:16.18
GU.RSP.HHE. ML:1.2 0.00009805 0.12 AML other m 2015-09-28T15:30:04.00
GU.RSP.HHN. ML:1.4 0.0001525 0.52 AML other m 2015-09-28T15:30:04.01
GU.TRAV.HHN. ML:1.5 0.0001505 0.2 AML other m 2015-09-28T15:30:07.02
GU.TRAV.HHE. ML:1.3 0.00009604999999999999 0.22 AML other m 2015-09-28T15:30:06.95
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download