Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 15-05-2013 and time 10:55:30 (Italy) in region 1 km SE Chiusa di San Michele (TO)

A magnitude ML 1.5 earthquake occured in region: 1 km SE Chiusa di San Michele (TO), on

  • 15-05-2013 08:55:30 (UTC)
  • 15-05-2013 10:55:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.0910, 7.3350 at 11 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
Chiusa di San Michele TO 1 1647 1647
Valgioie TO 2 951 2598
Sant'Ambrogio di Torino TO 2 4755 7353
Caprie TO 3 2086 9439
Condove TO 4 4638 14077
Vaie TO 4 1458 15535
Avigliana TO 5 12516 28051
Villar Dora TO 5 2932 30983
Sant'Antonino di Susa TO 5 4306 35289
Coazze TO 5 3287 38576
Giaveno TO 5 16455 55031
Almese TO 6 6401 61432
Rubiana TO 7 2400 63832
Borgone Susa TO 8 2229 66061
Buttigliera Alta TO 9 6419 72480
Reano TO 9 1818 74298
Villar Focchiardo TO 9 2042 76340
Trana TO 9 3877 80217
Rosta TO 10 4903 85120
San Didero TO 11 551 85671
Val della Torre TO 12 3869 89540
Sangano TO 12 3707 93247
Villarbasse TO 12 3509 96756
Caselette TO 12 3060 99816
Cumiana TO 12 7826 107642
Bruzolo TO 13 1524 109166
San Giorio di Susa TO 13 1024 110190
Bruino TO 13 8639 118829
Chianocco TO 15 1675 120504
Alpignano TO 15 17008 137512
Givoletto TO 15 3914 141426
Piossasco TO 15 18589 160015
Bussoleno TO 15 6094 166109
Lemie TO 16 179 166288
Rivoli TO 16 48791 215079
Rivalta di Torino TO 16 19887 234966
San Gillio TO 17 3174 238140
Pianezza TO 17 15152 253292
Cantalupa TO 17 2553 255845
Viù TO 17 1051 256896
Frossasco TO 18 2864 259760
La Cassa TO 18 1788 261548
Mattie TO 18 687 262235
Varisella TO 18 810 263045
Usseglio TO 18 209 263254
Roletto TO 18 2009 265263
Orbassano TO 18 23188 288451
Pinasca TO 18 3051 291502
Inverso Pinasca TO 18 730 292232
Perosa Argentina TO 18 3285 295517
Collegno TO 19 49905 345422
Roure TO 19 848 346270
Pomaretto TO 19 1009 347279
Grugliasco TO 19 37966 385245
Druento TO 20 8622 393867
Vallo Torinese TO 20 774 394641
Villar Perosa TO 20 4092 398733

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km W of Torino (890529 inhabitants)
29 Km W of Moncalieri (57294 inhabitants)
72 Km W of Asti (76202 inhabitants)
79 Km N of Cuneo (56081 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 1.5 2013-05-15
08:55:30		 45.0912 7.3353 11 2015-01-20
11:26:02		 Bollettino Sismico Italiano INGV 4139861
Reviewed
Rev100 		Md 1.7
ML 1.7 		2013-05-15
08:55:30		 45.1145 7.3193 11 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 3523471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-05-15 08:55:30 ± 0.2
Latitude 45.0912 ± 0.0072
Longitude 7.3353 ± 0.0166
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 4139861

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1325
Semi-minor axis of confidence ellipse (meter) 305
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 288
Circular confidence region, given by single value of horizontal uncertainty (meter) 1330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 166
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.44
Epicentral distance of station closest to the epicenter (degree) 0.07554
Epicentral distance of station farthest from the epicenter (degree) 0.86785
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 5
Type of magnitude ML
Reference to an origin 3523471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-05-15 09:02:12

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 5
Type of magnitude ML
Reference to an origin 4139861
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 12:56:57

Md:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 3
Type of magnitude Md
Reference to an origin 3523471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-05-15 09:02:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.SATI.HHZ. 2013-05-15T08:55:58.24 0.1 undecidable manual S 25 96.3258 50 -0.19 83
IV.MRGE.HHZ. 2013-05-15T08:55:54.10 0.3 undecidable manual S 344 78.2661 50 0.51 60
GU.PZZ.HHZ. 2013-05-15T08:55:49.95 0.1 undecidable manual S 195 67.0773 50 -0.66 77
GU.CIRO.HHZ. 2013-05-15T08:55:47.89 0.1 undecidable manual S 18 59.496 50 -0.7 77
MN.BNI.HHZ. 2013-05-15T08:55:46.21 0.1 undecidable manual S 265 51.7038 50 -0.29 88
GU.SATI.HHZ. 2013-05-15T08:55:46.63 0.1 undecidable manual P 25 96.3258 50 0.13 84
GU.RRL.HHZ. 2013-05-15T08:55:45.02 0.3 undecidable manual S 246 46.7199 50 -0.15 69
IV.MRGE.HHZ. 2013-05-15T08:55:44.48 0.1 undecidable manual P 344 78.2661 50 0.77 72
GU.LSD.HHZ. 2013-05-15T08:55:44.12 0.1 undecidable manual S 339 43.8228 50 -0.27 90
GU.PZZ.HHZ. 2013-05-15T08:55:42.71 0.1 undecidable manual P 195 67.0773 50 0.72 75
MN.BNI.HHZ. 2013-05-15T08:55:40.06 0.1 undecidable manual P 265 51.7038 50 0.45 85
GU.CIRO.HHZ. 2013-05-15T08:55:40.89 0.1 undecidable manual P 18 59.496 50 0.07 91
GU.RRL.HHZ. 2013-05-15T08:55:39.25 0.1 undecidable manual P 246 46.7199 50 0.4 87
GU.BHB.HHZ. 2013-05-15T08:55:39.90 0.1 undecidable manual S 191 28.9488 50 -0.53 86
GU.LSD.HHZ. 2013-05-15T08:55:38.48 0.1 undecidable manual P 339 43.8228 50 0.09 93
GU.BHB.HHZ. 2013-05-15T08:55:36.47 0.1 undecidable manual P 191 28.9488 50 0.36 90
GU.RSP.HHZ. 2013-05-15T08:55:34.43 0.1 undecidable manual S 319 8.3805 142 -0.54 89
GU.RSP.HHZ. 2013-05-15T08:55:33.00 0.1 undecidable manual P 319 8.3805 142 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.BHB.HHN. ML:1.7 0.00027150000000000004 0.14 AML other m 2013-05-15T08:55:40.07
GU.BHB.HHE. ML:1.6 0.00020600000000000002 1.18 AML other m 2013-05-15T08:55:40.00
MN.BNI.HHN. ML:0.9 0.00001815 1.44 AML other m 2013-05-15T08:55:52.79
MN.BNI.HHE. ML:1.0 0.0000252 1.58 AML other m 2013-05-15T08:56:46.70
GU.CIRO.HHE. ML:1.4 0.00005295 0.22 AML other m 2013-05-15T08:55:48.63
GU.CIRO.HHN. ML:1.1 0.00002625 1.48 AML other m 2013-05-15T08:55:48.83
GU.PZZ.HHN. ML:1.7 0.00008125 1.28 AML other m 2013-05-15T08:55:50.73
GU.PZZ.HHE. ML:1.8 0.000111 0.5 AML other m 2013-05-15T08:55:52.30
GU.TRAV.HHE. ML:1.7 0.0001008 0.28 AML other m 2013-05-15T08:55:47.60
GU.TRAV.HHN. ML:1.6 0.00007939999999999999 0.94 AML other m 2013-05-15T08:55:48.05
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