Earthquake with magnitude of ML 0.7 on date 04-05-2023 and time 09:37:07 (UTC) in region 2 km S Champdepraz (AO)

A magnitude ML 0.7 earthquake occured in region: 2 km S Champdepraz (AO), on

  • 04-05-2023 09:37:07 (UTC)
  • 04-05-2023 11:37:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.6690, 7.6640 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
Champdepraz AO 2 712 712
Verrès AO 2 2696 3408
Issogne AO 2 1400 4808
Montjovet AO 4 1801 6609
Challand-Saint-Victor AO 4 564 7173
Arnad AO 5 1273 8446
Champorcher AO 6 388 8834
Emarèse AO 7 226 9060
Pontboset AO 7 185 9245
Challand-Saint-Anselme AO 8 751 9996
Hône AO 9 1166 11162
Saint-Vincent AO 9 4660 15822
Bard AO 9 119 15941
Pontey AO 10 817 16758
Châtillon AO 10 4772 21530
Donnas AO 11 2563 24093
Brusson AO 11 897 24990
Chambave AO 12 931 25921
Saint-Denis AO 12 378 26299
Perloz AO 13 477 26776
Pont-Saint-Martin AO 13 3840 30616
Verrayes AO 15 1302 31918
Lillianes AO 15 462 32380
Carema TO 15 774 33154
Issime AO 15 423 33577
Fénis AO 15 1813 35390
Fontainemore AO 16 440 35830
Antey-Saint-André AO 16 602 36432
La Magdeleine AO 16 109 36541
Ayas AO 16 1401 37942
Quincinetto TO 16 1031 38973
Torgnon AO 16 558 39531
Nus AO 17 2984 42515
Gressoney-Saint-Jean AO 18 807 43322
Gaby AO 18 468 43790
Saint-Marcel AO 18 1362 45152
Valprato Soana TO 19 108 45260
Tavagnasco TO 19 791 46051
Settimo Vittone TO 19 1560 47611
Traversella TO 19 343 47954
Chamois AO 19 97 48051

Municipalities with at least 50000 inhabitants

An earthquake occurred to
66 Km N of Torino (890529 inhabitants)
74 Km N of Moncalieri (57294 inhabitants)
79 Km W of Novara (104380 inhabitants)
88 Km W of Gallarate (53343 inhabitants)
92 Km W of Varese (80799 inhabitants)
93 Km W of Busto Arsizio (83106 inhabitants)
96 Km NW of Asti (76202 inhabitants)
98 Km W of Legnano (60262 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 0.7 2023-05-04
09:37:07
45.6693 7.6635 10 2023-05-04
09:53:22
Sala Sismica INGV-Roma 117015581
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-04 09:37:07 ± 0.13
Latitude 45.6693 ± 0.0108
Longitude 7.6635 ± 0.0129
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 117015581

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1198
Semi-minor axis of confidence ellipse (meter) 860
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 154
Circular confidence region, given by single value of horizontal uncertainty (meter) 1200.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 125
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.44696
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 117015581
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-04 09:53:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VENT.EHZ. 2023-05-04T09:39:04.98 3.0 positive manual Pg 26.25 0
NI.VINO.HHZ. 2023-05-04T09:38:57.25 3.0 undecidable manual Sn 7.27 0
IV.RIBO.EHZ.01 2023-05-04T09:38:56.84 3.0 undecidable manual Sg 14.45 0
IV.GATE.HHZ. 2023-05-04T09:38:49.44 3.0 positive manual Pn 7.03 0
IV.CSNT.HHZ. 2023-05-04T09:38:49.32 3.0 undecidable manual Sg 13.07 0
IV.MF5.EHZ. 2023-05-04T09:38:37.83 3.0 undecidable manual Pg 19.6 0
ST.PANI.EHZ. 2023-05-04T09:38:30.17 3.0 undecidable manual Sg 13.57 0
IV.VCEL.EHZ. 2023-05-04T09:38:28.17 3.0 undecidable manual Pn 1.97 0
IV.RM33.HNZ. 2023-05-04T09:38:24.70 3.0 undecidable manual Pn 4.42 0
GU.CARD.HHZ. 2023-05-04T09:38:16.38 3.0 undecidable manual Sn -0.19 0
ST.OZOL.EHZ. 2023-05-04T09:37:57.31 3.0 negative manual Pg 13.03 0
GU.CANO.HHZ. 2023-05-04T09:37:53.85 3.0 undecidable manual Sg 3.11 0
GU.CANO.HHZ. 2023-05-04T09:37:33.58 3.0 negative manual Pg 2.21 0
GU.LSD.HHZ. 2023-05-04T09:37:22.40 0.3 undecidable manual S 241 47.2194 50 -0.28 69
CH.DIX.HHZ. 2023-05-04T09:37:16.54 0.1 undecidable manual P 337 49.617 50 -0.06 96
GU.SATI.HHZ. 2023-05-04T09:37:16.88 0.6 undecidable manual S 35 27.8499 50 -0.61 43
GU.LSD.HHZ. 2023-05-04T09:37:16.46 0.6 undecidable manual P 241 47.2194 50 0.23 46
IV.MRGE.HHZ. 2023-05-04T09:37:16.55 0.1 undecidable manual P 284 48.0186 50 0.21 93
GU.REMY.HHE. 2023-05-04T09:37:15.87 0.6 undecidable manual P 296 43.4232 50 0.23 47
GU.TRAV.HHZ. 2023-05-04T09:37:14.50 0.6 undecidable manual S 160 18.5703 119 -0.29 48
GU.SATI.HHZ. 2023-05-04T09:37:13.32 0.3 positive manual P 35 27.8499 50 0.09 74
GU.CIRO.HHZ. 2023-05-04T09:37:12.05 0.3 undecidable manual S 225 10.4784 134 -0.47 70
GU.TRAV.HHZ. 2023-05-04T09:37:12.01 0.1 positive manual P 160 18.5703 119 0.34 95
GU.CIRO.HHZ. 2023-05-04T09:37:10.54 0.1 undecidable manual P 225 10.4784 134 0.17 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.TRAV.HHN. ML:0.9 0.000059679615 0.7232 AML other m 2023-05-04T09:37:15.03
GU.TRAV.HHE. ML:1.0 0.00008049999999999999 0.16 AML other m 2023-05-04T09:37:15.39
GU.SATI.HHE. ML:0.5 0.000017118411999999998 0.2816 AML other m 2023-05-04T09:37:18.90
GU.SATI.HHN. ML:0.3 0.0000107389315 0.1216 AML other m 2023-05-04T09:37:17.63
GU.SATI.HNE. ML:0.8 0.0000306595685 1.3824 AML other m 2023-05-04T09:37:17.21
GU.SATI.HNN. ML:0.6 0.000021822345 0.4416 AML other m 2023-05-04T09:37:18.92
GU.LSD.HHE. ML:1.0 0.000023176275 0.1792 AML other m 2023-05-04T09:37:23.41
GU.LSD.HHN. ML:0.8 0.00002150521 0.1408 AML other m 2023-05-04T09:37:22.62
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