Earthquake with magnitude of ML 0.3 on date 31-05-2023 and time 12:38:43 (Italy) in region 3 km SE Salza di Pinerolo (TO)

A magnitude ML 0.3 earthquake occured in region: 3 km SE Salza di Pinerolo (TO), on

  • 31-05-2023 10:38:43 (UTC)
  • 31-05-2023 12:38:43 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.9160, 7.0700 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
Salza di Pinerolo TO 3 75 75
Prali TO 3 246 321
Perrero TO 4 659 980
Massello TO 5 51 1031
Pomaretto TO 10 1009 2040
Roure TO 11 848 2888
Perosa Argentina TO 11 3285 6173
Pramollo TO 11 258 6431
Inverso Pinasca TO 12 730 7161
Bobbio Pellice TO 13 563 7724
Pinasca TO 13 3051 10775
Fenestrelle TO 13 544 11319
San Germano Chisone TO 14 1854 13173
Villar Pellice TO 14 1076 14249
Villar Perosa TO 14 4092 18341
Angrogna TO 15 889 19230
Pragelato TO 15 776 20006
Usseaux TO 15 186 20192
Sestriere TO 16 929 21121
Porte TO 16 1083 22204
Torre Pellice TO 16 4551 26755
Sauze di Cesana TO 17 244 26999
Prarostino TO 17 1273 28272
RorĂ  TO 17 257 28529
Luserna San Giovanni TO 18 7395 35924
San Secondo di Pinerolo TO 19 3575 39499
Lusernetta TO 19 506 40005
San Pietro Val Lemina TO 19 1448 41453

Municipalities with at least 50000 inhabitants

An earthquake occurred to
49 Km W of Moncalieri (57294 inhabitants)
51 Km W of Torino (890529 inhabitants)
70 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
Reviewed
Rev100
ML 0.3 2023-05-31
10:38:43
44.9165 7.0697 10 2023-05-31
10:53:49
Sala Sismica INGV-Roma 117907421
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-31 10:38:43 ± 0.19
Latitude 44.9165 ± 0.0099
Longitude 7.0697 ± 0.0152
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117907421

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1072
Semi-minor axis of confidence ellipse (meter) 1004
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 135
Circular confidence region, given by single value of horizontal uncertainty (meter) 1070.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 96
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 11
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.54499
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.3

Field Value
Value 0.3
Uncertainty 0.3
Num. used stations 9
Type of magnitude ML
Reference to an origin 117907421
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-31 10:53:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CMPR.HHZ. 2023-05-31T10:40:26.34 3.0 undecidable manual Pn 3.87 0
SI.BOSI.HHZ. 2023-05-31T10:40:24.80 3.0 undecidable manual Sn 3.56 0
IV.SGO.HHZ. 2023-05-31T10:40:23.09 3.0 undecidable manual Pn 2.38 0
IV.RIBO.EHZ.01 2023-05-31T10:40:22.32 3.0 undecidable manual Sg 14.75 0
OT.OT17.EHZ. 2023-05-31T10:40:19.04 3.0 negative manual Pn 5.06 0
IV.SFI.EHZ. 2023-05-31T10:40:14.57 3.0 undecidable manual Sn -1.15 0
OX.MARN.HHZ. 2023-05-31T10:40:10.46 3.0 undecidable manual Sn 0.35 0
IV.ARVD.HHZ. 2023-05-31T10:39:56.35 3.0 undecidable manual Pg 13.59 0
IV.VVLD.HHZ. 2023-05-31T10:39:53.20 3.0 positive manual Pn -3.39 0
GU.CARD.HHZ. 2023-05-31T10:39:53.18 3.0 undecidable manual Sn 1.74 0
IV.FIU.EHZ. 2023-05-31T10:39:44.16 3.0 positive manual Pg 16.67 0
OX.MARN.HHZ. 2023-05-31T10:39:43.04 3.0 positive manual Pg 15.07 0
IV.FRON.EHZ. 2023-05-31T10:39:39.96 3.0 negative manual Pn -0.63 0
IV.MOCL.EHZ. 2023-05-31T10:39:36.23 3.0 undecidable manual Pg 11.83 0
IV.MCIV.CHZ. 2023-05-31T10:39:31.04 3.0 undecidable manual Pn -2.28 0
CH.BERNI.HHZ. 2023-05-31T10:39:27.95 3.0 undecidable manual Pg 4.36 0
IV.CSNT.HHZ. 2023-05-31T10:39:27.23 3.0 positive manual Pn 0.57 0
GU.LSD.HHZ. 2023-05-31T10:39:01.30 0.6 undecidable manual S 5 60.495 50 -0.68 41
GU.PZZ.HHZ. 2023-05-31T10:38:57.62 0.3 undecidable manual S 175 45.621 50 -0.4 70
GU.LSD.HHZ. 2023-05-31T10:38:54.58 0.1 undecidable manual P 5 60.495 50 0.52 88
GU.RSP.HHZ. 2023-05-31T10:38:53.30 0.3 undecidable manual S 31 29.9478 50 -0.53 69
GU.PZZ.HHZ. 2023-05-31T10:38:52.06 0.1 undecidable manual P 175 45.621 50 0.28 95
GU.RRL.HHZ. 2023-05-31T10:38:51.04 0.3 undecidable manual S 271 21.9669 115 -0.64 67
MN.BNI.HHZ. 2023-05-31T10:38:50.41 0.6 undecidable manual P 296 34.2435 50 0.39 48
GU.BHB.HHZ. 2023-05-31T10:38:49.92 0.6 undecidable manual S 121 17.6712 121 -0.43 48
GU.RSP.HHZ. 2023-05-31T10:38:49.82 0.6 undecidable manual P 31 29.9478 50 0.47 47
GU.RRL.HHZ. 2023-05-31T10:38:48.37 0.1 positive manual P 271 21.9669 115 0.26 100
GU.BHB.HHZ. 2023-05-31T10:38:47.71 0.6 positive manual P 121 17.6712 121 0.36 49
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.BHB.HHE. ML:0.1 0.000008580232 0.1152 AML other m 2023-05-31T10:38:50.19
GU.BHB.HHN. ML:0.3 0.0000150453355 0.1024 AML other m 2023-05-31T10:38:50.17
GU.BHB.HNE. ML:0.5 0.0000270381515 0.7744 AML other m 2023-05-31T10:38:54.88
GU.BHB.HNN. ML:0.5 0.000026805543 0.8896 AML other m 2023-05-31T10:38:54.15
GU.RRL.HHE. ML:0.2 0.000007554936 2.1632 AML other m 2023-05-31T10:38:51.41
GU.RRL.HHN. ML:0.0 0 3.6032 AML other m 2023-05-31T10:38:52.52
GU.RSP.HHE. ML:0.0 0.0000029478639999999996 0.1024 AML other m 2023-05-31T10:38:53.94
GU.RSP.HHN. ML:0.0 0.0000025476685000000003 0.0768 AML other m 2023-05-31T10:38:54.14
GU.RSP.HNE. ML:1.4 0.000110589925 0.8384 AML other m 2023-05-31T10:38:54.82
GU.RSP.HNN. ML:1.0 0.00004261827 0.5824 AML other m 2023-05-31T10:38:52.44
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