Earthquake with magnitude of ML 1.2 on date 17-11-2020 and time 04:27:18 (Italy) in region 3 km W Issime (AO)

A magnitude ML 1.2 earthquake occured in region: 3 km W Issime (AO), on

  • 17-11-2020 03:27:18 (UTC)
  • 17-11-2020 04:27:18 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.6920, 7.8140 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
Issime AO 3 423 423
Gaby AO 6 468 891
Fontainemore AO 6 440 1331
Challand-Saint-Anselme AO 7 751 2082
Lillianes AO 7 462 2544
Challand-Saint-Victor AO 8 564 3108
Perloz AO 9 477 3585
Arnad AO 9 1273 4858
Emarèse AO 10 226 5084
Gressoney-Saint-Jean AO 10 807 5891
Brusson AO 10 897 6788
Verrès AO 10 2696 9484
Pont-Saint-Martin AO 10 3840 13324
Donnas AO 10 2563 15887
Bard AO 11 119 16006
Hône AO 11 1166 17172
Issogne AO 11 1400 18572
Montjovet AO 11 1801 20373
Piedicavallo BI 11 193 20566
Carema TO 12 774 21340
Champdepraz AO 12 712 22052
Rosazza BI 13 108 22160
Pontboset AO 14 185 22345
Saint-Vincent AO 15 4660 27005
Quincinetto TO 15 1031 28036
Campiglia Cervo BI 15 505 28541
Gressoney-La-Trinité AO 15 303 28844
Settimo Vittone TO 16 1560 30404
Tavagnasco TO 17 791 31195
Champorcher AO 17 388 31583
Châtillon AO 17 4772 36355
Ayas AO 17 1401 37756
Nomaglio TO 18 287 38043
Rassa VC 18 71 38114
Pontey AO 18 817 38931
Sordevolo BI 18 1373 40304
Quassolo TO 19 354 40658
Andrate TO 19 505 41163
Pollone BI 19 2109 43272
Riva Valdobbia VC 19 258 43530
Donato BI 20 693 44223
Sagliano Micca BI 20 1637 45860
Graglia BI 20 1559 47419
Miagliano BI 20 624 48043
Muzzano BI 20 609 48652
Netro BI 20 1009 49661
Borgofranco d'Ivrea TO 20 3732 53393

Municipalities with at least 50000 inhabitants

An earthquake occurred to
69 Km W of Novara (104380 inhabitants)
70 Km N of Torino (890529 inhabitants)
76 Km W of Gallarate (53343 inhabitants)
77 Km N of Moncalieri (57294 inhabitants)
80 Km W of Varese (80799 inhabitants)
81 Km W of Busto Arsizio (83106 inhabitants)
87 Km W of Legnano (60262 inhabitants)
92 Km W of Vigevano (63310 inhabitants)
93 Km NW of Asti (76202 inhabitants)
97 Km W of Rho (50434 inhabitants)
100 Km W of Como (84495 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 1.2 2020-11-17
03:27:18
45.692 7.8145 10 2020-11-17
03:32:15
Sala Sismica INGV-Roma 84790971
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-17 03:27:18 ± 0.13
Latitude 45.6920 ± 0.0063
Longitude 7.8145 ± 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 84790971

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1043
Semi-minor axis of confidence ellipse (meter) 360
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 121
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) 120
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.88493
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 84790971
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-17 03:32:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MBAL.EHZ. 2020-11-17T03:27:57.09 3.0 negative manual Pn 4.92 0
IV.SARZ.HHZ. 2020-11-17T03:27:54.13 3.0 undecidable manual S 0.06 0
IV.MRGE.HHZ. 2020-11-17T03:27:37.02 0.6 undecidable manual S 279 58.9965 50 -0.24 45
GU.LSD.HHZ. 2020-11-17T03:27:36.94 0.6 undecidable manual S 244 58.7967 50 -0.27 45
GU.REMY.HHZ. 2020-11-17T03:27:35.67 0.6 undecidable manual S 288 53.4021 50 -0.11 47
CH.MUGIO.HHE. 2020-11-17T03:27:35.77 0.3 undecidable manual P 75 98.2239 50 0.25 63
CH.DIX.HHZ. 2020-11-17T03:27:34.91 0.6 undecidable manual S 324 53.3022 50 -0.83 38
CH.MMK.HHE. 2020-11-17T03:27:31.65 0.6 undecidable manual S 16 41.4252 50 -0.92 37
GU.RSP.HHZ. 2020-11-17T03:27:31.64 0.3 undecidable manual P 216 73.9704 50 -0.14 68
IV.MRGE.HHZ. 2020-11-17T03:27:30.10 0.1 undecidable manual P 279 58.9965 50 0.63 82
GU.LSD.HHZ. 2020-11-17T03:27:29.73 0.3 undecidable manual P 244 58.7967 50 0.29 67
CH.DIX.HHZ. 2020-11-17T03:27:28.63 0.1 undecidable manual P 324 53.3022 50 0.04 96
GU.REMY.HHZ. 2020-11-17T03:27:28.96 0.1 undecidable manual P 288 53.4021 50 0.35 90
GU.TRAV.HHZ. 2020-11-17T03:27:26.07 0.3 undecidable manual S 195 20.5683 116 -0.69 64
CH.MMK.HHE. 2020-11-17T03:27:26.80 0.1 undecidable manual P 16 41.4252 50 0.04 98
GU.SATI.HHZ. 2020-11-17T03:27:26.67 0.3 undecidable manual S 12 20.7681 116 -0.15 74
GU.CIRO.HHZ. 2020-11-17T03:27:26.91 0.6 undecidable manual S 242 21.5673 115 -0.16 49
GU.SATI.HHZ. 2020-11-17T03:27:23.60 0.1 undecidable manual P 12 20.7681 116 0.16 99
GU.CIRO.HHZ. 2020-11-17T03:27:23.74 0.1 undecidable manual P 242 21.5673 115 0.15 99
GU.TRAV.HHZ. 2020-11-17T03:27:23.51 0.1 positive manual P 195 20.5683 116 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.TRAV.HHN. ML:1.8 0.0004165 0.08 AML other m 2020-11-17T03:27:26.12
GU.TRAV.HHE. ML:1.6 0.00027400000000000005 0.24 AML other m 2020-11-17T03:27:26.12
GU.CIRO.HHN. ML:1.1 0.00008025 0.26 AML other m 2020-11-17T03:27:27.18
GU.CIRO.HHE. ML:1.0 0.00006994999999999999 0.26 AML other m 2020-11-17T03:27:27.35
GU.SATI.HHE. ML:1.1 0.00009054999999999999 0.08 AML other m 2020-11-17T03:27:27.40
GU.SATI.HHN. ML:0.8 0.0000497 1.06 AML other m 2020-11-17T03:27:27.46
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