Earthquake with magnitude of ML 1.2 on date 05-04-2017 and time 16:08:01 (Italy) in region 5 km W Usseglio (TO)

A magnitude ML 1.2 earthquake occured in region: 5 km W Usseglio (TO), on

  • 05-04-2017 14:08:01 (UTC)
  • 05-04-2017 16:08:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.2270, 7.1590 at 10 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
Usseglio TO 5 209 209
Chianocco TO 9 1675 1884
Bruzolo TO 10 1524 3408
Balme TO 10 115 3523
Bussoleno TO 10 6094 9617
Lemie TO 11 179 9796
San Giorio di Susa TO 11 1024 10820
San Didero TO 11 551 11371
Novalesa TO 12 534 11905
Mompantero TO 12 659 12564
Mattie TO 13 687 13251
Borgone Susa TO 13 2229 15480
Susa TO 13 6466 21946
Meana di Susa TO 14 826 22772
Venaus TO 14 907 23679
Moncenisio TO 14 36 23715
Villar Focchiardo TO 14 2042 25757
Giaglione TO 15 631 26388
Ala di Stura TO 15 469 26857
Gravere TO 16 692 27549
Sant'Antonino di Susa TO 16 4306 31855
Condove TO 17 4638 36493
Vaie TO 17 1458 37951
ViĆ¹ TO 17 1051 39002
Chiomonte TO 18 916 39918
Caprie TO 18 2086 42004
Groscavallo TO 19 204 42208
Chiusa di San Michele TO 19 1647 43855

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km W of Torino (890529 inhabitants)
48 Km NW of Moncalieri (57294 inhabitants)
90 Km W of Asti (76202 inhabitants)
98 Km NW 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 1.2 2017-04-05
14:08:01
45.227 7.1592 10 2018-01-10
09:56:15
Bollettino Sismico Italiano INGV 51245341
Reviewed
Rev100
ML 1.3 2017-04-05
14:08:00
45.2158 7.1638 15 2017-04-05
14:15:54
Sala Sismica INGV-Roma 43418621
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-04-05 14:08:01 ± 0.19
Latitude 45.2270 ± 0.0108
Longitude 7.1592 ± 0.0179
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 51245341

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1450
Semi-minor axis of confidence ellipse (meter) 1210
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 281
Circular confidence region, given by single value of horizontal uncertainty (meter) 1450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 110
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.46
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.54679
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 51245341
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-10-23 11:03:52

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 1
Type of magnitude ML
Reference to an origin 43418621
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-04-05 14:15:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.OVO.HHZ. 2017-04-05T14:08:26.58 3.0 undecidable manual Sg 11.44 0
IV.MRGE.HHZ. 2017-04-05T14:08:19.55 0.6 undecidable manual S 353 60.6948 50 -0.57 43
GU.CIRO.HHZ. 2017-04-05T14:08:17.37 0.3 undecidable manual S 37 52.4031 50 -0.53 66
IV.GMB.BHZ. 2017-04-05T14:08:16.42 3.0 undecidable manual Pg 9.12 0
MN.BNI.HHZ. 2017-04-05T14:08:14.14 0.6 undecidable manual S 243 42.3243 50 -1.09 35
IV.MRGE.HHZ. 2017-04-05T14:08:12.70 0.3 undecidable manual P 353 60.6948 50 0.57 64
GU.CIRO.HHZ. 2017-04-05T14:08:11.22 0.1 undecidable manual P 37 52.4031 50 0.37 92
GU.RRL.HHZ. 2017-04-05T14:08:10.09 0.3 undecidable manual P 220 44.5221 50 0.44 68
MN.BNI.HHZ. 2017-04-05T14:08:09.34 0.1 undecidable manual P 243 42.3243 50 0.03 100
GU.RSP.HHZ. 2017-04-05T14:08:06.31 0.1 undecidable manual S 136 12.0768 130 -0.34 99
GU.RSP.HHZ. 2017-04-05T14:08:04.64 0.1 undecidable manual P 136 12.0768 130 0.29 100
IV.MGR.HNZ. 2017-04-05T14:07:47.07 3.0 negative manual Pn 2.26 0
IV.POFI.HHZ. 2017-04-05T14:07:47.18 3.0 undecidable manual Sn -4.14 0
IV.VIVA.HHZ. 2017-04-05T14:07:38.34 3.0 undecidable manual Sg 0.26 0
IV.CERT.HHZ. 2017-04-05T14:07:32.84 3.0 undecidable manual Sn -4.58 0
IV.NDIM.HNZ. 2017-04-05T14:07:20.33 3.0 undecidable manual Sg -1.69 0
IV.VENL.HNZ. 2017-04-05T14:07:08.70 3.0 positive manual Pn -2.38 0
IV.ZONE.HHZ. 2017-04-05T14:07:06.60 3.0 positive manual Pn -5.61 0
IV.CAVE.HHZ. 2017-04-05T14:06:57.11 3.0 positive manual Pg -2.35 0
IV.OSSC.HHZ. 2017-04-05T14:06:46.30 3.0 undecidable manual S -0.39 0
TV.SF01.EHZ. 2017-04-05T14:06:44.96 3.0 positive manual P -3.17 0
GU.SARM.EHZ. 2017-04-05T14:06:43.96 3.0 negative manual P -5.27 0
IV.ARCI.HHZ. 2017-04-05T14:06:43.33 3.0 undecidable manual P -3.42 0
IV.GROG.HHZ. 2017-04-05T14:06:38.04 3.0 positive manual P -6.83 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.RSP.HNN. ML:1.0 0.000123 0.42 AML other m 2017-04-05T14:08:06.48
GU.RSP.HHE. ML:1.4 0.0002895 0.08 AML other m 2017-04-05T14:08:06.52
GU.RSP.HNE. ML:1.4 0.000252 0.08 AML other m 2017-04-05T14:08:06.56
GU.RSP.HHN. ML:1.1 0.000141 0.94 AML other m 2017-04-05T14:08:07.48
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