Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 25-06-2013 and time 02:46:01 (UTC) in region 1 km SW Mattie (TO)

A magnitude ML 1.7 earthquake occured in region: 1 km SW Mattie (TO), on

  • 25-06-2013 02:46:01 (UTC)
  • 25-06-2013 04:46:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.1130, 7.1080 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.

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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
Mattie TO 1 687 687
Meana di Susa TO 3 826 1513
Bussoleno TO 4 6094 7607
Mompantero TO 5 659 8266
Susa TO 5 6466 14732
San Giorio di Susa TO 6 1024 15756
Chianocco TO 6 1675 17431
Gravere TO 7 692 18123
Bruzolo TO 8 1524 19647
Giaglione TO 8 631 20278
San Didero TO 9 551 20829
Venaus TO 9 907 21736
Villar Focchiardo TO 9 2042 23778
Usseaux TO 10 186 23964
Fenestrelle TO 10 544 24508
Chiomonte TO 10 916 25424
Borgone Susa TO 11 2229 27653
Novalesa TO 11 534 28187
Roure TO 13 848 29035
Sant'Antonino di Susa TO 13 4306 33341
Exilles TO 14 273 33614
Vaie TO 14 1458 35072
Moncenisio TO 14 36 35108
Usseglio TO 16 209 35317
Condove TO 16 4638 39955
Coazze TO 16 3287 43242
Pragelato TO 17 776 44018
Chiusa di San Michele TO 17 1647 45665
Massello TO 18 51 45716
Caprie TO 18 2086 47802
Salbertrand TO 18 596 48398
Pomaretto TO 18 1009 49407
Perosa Argentina TO 18 3285 52692
Valgioie TO 19 951 53643
Perrero TO 19 659 54302
Lemie TO 20 179 54481
Salza di Pinerolo TO 20 75 54556
Sant'Ambrogio di Torino TO 20 4755 59311

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km W of Torino (890529 inhabitants)
47 Km W of Moncalieri (57294 inhabitants)
87 Km NW of Cuneo (56081 inhabitants)
89 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
Bulletin
Rev1000 		ML 1.7 2013-06-25
02:46:01		 45.113 7.1085 12 2015-01-20
11:27:18		 Bollettino Sismico Italiano INGV 3960851
Reviewed
Rev100 		ML 1.7 2013-06-25
02:46:01		 45.1172 7.1097 12 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 3796151
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-06-25 02:46:01 ± 0.24
Latitude 45.1130 ± 0.0081
Longitude 7.1085 ± 0.0166
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 3960851

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1040
Semi-minor axis of confidence ellipse (meter) 977
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 88
Circular confidence region, given by single value of horizontal uncertainty (meter) 1040.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 98
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.49
Epicentral distance of station closest to the epicenter (degree) 0.11601
Epicentral distance of station farthest from the epicenter (degree) 1.11156
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 11
Type of magnitude ML
Reference to an origin 3960851
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 12:56:54

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 11
Type of magnitude ML
Reference to an origin 3796151
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-06-25 02:56:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CH.MMK.HHZ. 2013-06-25T02:46:23.17 0.1 undecidable manual P 32 123.3876 90 0.95 68
IV.DOI.HHZ. 2013-06-25T02:46:21.78 0.3 undecidable manual S 171 68.376 90 -0.72 61
GU.TRAV.HHZ. 2013-06-25T02:46:21.53 0.3 undecidable manual S 48 66.6777 90 -0.51 56
GU.PZZ.HHZ. 2013-06-25T02:46:21.82 0.6 undecidable manual S 179 67.2771 90 -0.37 46
GU.SATI.HHZ. 2013-06-25T02:46:19.79 0.3 undecidable manual P 35 103.2189 90 0.69 59
GU.ENR.HHZ. 2013-06-25T02:46:18.83 0.6 undecidable manual P 166 101.3208 90 0.01 45
IV.DOI.HHZ. 2013-06-25T02:46:14.13 0.3 undecidable manual P 171 68.376 90 0.39 66
IV.MRGE.HHZ. 2013-06-25T02:46:14.75 0.3 undecidable manual P 357 72.9714 90 0.31 68
GU.PZZ.HHZ. 2013-06-25T02:46:13.98 0.3 undecidable manual P 179 67.2771 90 0.42 64
GU.LSD.HHZ. 2013-06-25T02:46:13.36 0.1 undecidable manual S 3 38.5281 91 -1.15 63
GU.TRAV.HHZ. 2013-06-25T02:46:13.69 0.1 undecidable manual P 48 66.6777 90 0.21 96
GU.BHB.HHZ. 2013-06-25T02:46:12.59 0.3 undecidable manual S 158 33.1446 91 -0.49 69
MN.BNI.HHZ. 2013-06-25T02:46:12.64 0.1 undecidable manual S 259 34.3434 91 -0.78 95
GU.LSD.HHZ. 2013-06-25T02:46:09.15 0.3 undecidable manual P 3 38.5281 91 0.02 77
MN.BNI.HHZ. 2013-06-25T02:46:08.57 0.1 undecidable manual P 259 34.3434 91 0.07 97
GU.BHB.HHZ. 2013-06-25T02:46:08.66 0.1 undecidable manual P 158 33.1446 91 0.35 96
GU.RRL.HHZ. 2013-06-25T02:46:08.32 0.1 undecidable manual P 230 32.745 91 0.07 97
GU.RSP.HHZ. 2013-06-25T02:46:06.97 0.1 undecidable manual S 72 12.876 110 -0.74 99
GU.RSP.HHZ. 2013-06-25T02:46:05.28 0.1 undecidable manual P 72 12.876 110 0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.BHB.HHN. ML:1.7 0.00019600000000000002 0.32 AML other m 2013-06-25T02:46:13.10
GU.BHB.HHE. ML:1.5 0.00013800000000000002 1.14 AML other m 2013-06-25T02:46:13.09
MN.BNI.HHE. ML:1.3 0.00007615 0.12 AML other m 2013-06-25T02:46:12.79
MN.BNI.HHN. ML:1.6 0.00017549999999999998 0.32 AML other m 2013-06-25T02:46:12.88
IV.DOI.HHN. ML:1.9 0.00014199999999999998 0.58 AML other m 2013-06-25T02:46:24.09
IV.DOI.HHE. ML:1.8 0.0001215 1.18 AML other m 2013-06-25T02:46:24.64
GU.LSD.HHN. ML:1.9 0.000302 0.28 AML other m 2013-06-25T02:46:13.72
GU.LSD.HHE. ML:2.2 0.0005355000000000001 1.48 AML other m 2013-06-25T02:46:14.63
CH.MMK.HHE. ML:1.3 0.0000155 1.58 AML other m 2013-06-25T02:46:25.74
CH.MMK.HHN. ML:1.4 0.00001835 1.4 AML other m 2013-06-25T02:46:38.92
IV.MRGE.HHN. ML:1.7 0.00008535000000000001 1.52 AML other m 2013-06-25T02:46:26.27
IV.MRGE.HHE. ML:1.6 0.000066 0.64 AML other m 2013-06-25T02:46:25.84
GU.PZZ.HHN. ML:2.3 0.0003355 0.2 AML other m 2013-06-25T02:46:23.17
GU.PZZ.HHE. ML:2.2 0.000288 0.9 AML other m 2013-06-25T02:46:23.80
GU.RRL.HHN. ML:1.4 0.00009795000000000001 0.36 AML other m 2013-06-25T02:46:14.12
GU.RRL.HHE. ML:1.3 0.00008695 1.5 AML other m 2013-06-25T02:46:14.58
GU.RSP.HHE. ML:2.4 0.0024249999999999996 0.1 AML other m 2013-06-25T02:46:07.11
GU.RSP.HHN. ML:2.2 0.00177 0.2 AML other m 2013-06-25T02:46:07.14
GU.SATI.HHE. ML:1.5 0.000027950000000000002 1.18 AML other m 2013-06-25T02:46:33.81
GU.SATI.HHN. ML:1.4 0.0000264 0.2 AML other m 2013-06-25T02:46:20.68
GU.TRAV.HHE. ML:1.7 0.00008315 0.26 AML other m 2013-06-25T02:46:22.13
GU.TRAV.HHN. ML:1.7 0.00008645 0.22 AML other m 2013-06-25T02:46:22.13
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