Earthquake with magnitude of ML 1.0 on date 27-08-2020 and time 00:03:06 (Italy) in region 6 km SW Pontboset (AO)

A magnitude ML 1.0 earthquake occured in region: 6 km SW Pontboset (AO), on

  • 26-08-2020 22:03:06 (UTC)
  • 27-08-2020 00:03:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.5580, 7.6550 at 15 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
Pontboset AO 6 185 185
Champorcher AO 8 388 573
Hône AO 9 1166 1739
Bard AO 9 119 1858
Valprato Soana TO 9 108 1966
Traversella TO 9 343 2309
Donnas AO 10 2563 4872
Ronco Canavese TO 11 314 5186
Issogne AO 11 1400 6586
Arnad AO 11 1273 7859
Trausella TO 11 119 7978
Quincinetto TO 12 1031 9009
Vico Canavese TO 12 849 9858
Ingria TO 12 52 9910
Pont-Saint-Martin AO 12 3840 13750
Meugliano TO 12 80 13830
Verrès AO 13 2696 16526
Rueglio TO 13 757 17283
Carema TO 13 774 18057
Tavagnasco TO 13 791 18848
Perloz AO 14 477 19325
Brosso TO 14 420 19745
Castelnuovo Nigra TO 14 433 20178
Settimo Vittone TO 14 1560 21738
Frassinetto TO 14 274 22012
Quassolo TO 14 354 22366
Champdepraz AO 14 712 23078
Alice Superiore TO 14 700 23778
Issiglio TO 15 392 24170
Cintano TO 15 258 24428
Pecco TO 15 223 24651
Colleretto Castelnuovo TO 15 332 24983
Challand-Saint-Victor AO 15 564 25547
Lessolo TO 15 1938 27485
Chiesanuova TO 16 205 27690
Vistrorio TO 16 534 28224
Borgiallo TO 16 569 28793
Lugnacco TO 16 360 29153
Pont-Canavese TO 16 3483 32636
Nomaglio TO 16 287 32923
Vidracco TO 16 507 33430
Montjovet AO 16 1801 35231
Borgofranco d'Ivrea TO 17 3732 38963
Fiorano Canavese TO 17 822 39785
Lillianes AO 17 462 40247
Alpette TO 17 261 40508
Andrate TO 17 505 41013
Strambinello TO 17 263 41276
Quagliuzzo TO 18 328 41604
Parella TO 18 453 42057
Loranzè TO 18 1173 43230
Montalto Dora TO 18 3406 46636
Colleretto Giacosa TO 18 582 47218
Baldissero Canavese TO 18 550 47768
Sparone TO 18 1038 48806
Ribordone TO 18 53 48859
Cuorgnè TO 19 9906 58765
Challand-Saint-Anselme AO 19 751 59516
Salerano Canavese TO 19 505 60021
Emarèse AO 19 226 60247
Banchette TO 19 3231 63478
Fontainemore AO 19 440 63918
Samone TO 19 1600 65518
San Colombano Belmonte TO 20 383 65901
Castellamonte TO 20 9859 75760

Municipalities with at least 50000 inhabitants

An earthquake occurred to
54 Km N of Torino (890529 inhabitants)
62 Km N of Moncalieri (57294 inhabitants)
76 Km W of Novara (104380 inhabitants)
85 Km NW of Asti (76202 inhabitants)
89 Km W of Gallarate (53343 inhabitants)
94 Km W of Busto Arsizio (83106 inhabitants)
95 Km W of Varese (80799 inhabitants)
98 Km W of Vigevano (63310 inhabitants)
99 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 1.0 2020-08-26
22:03:06
45.5582 7.6552 15 2020-08-26
22:09:50
Sala Sismica INGV-Roma 82353391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-26 22:03:06 ± 0.3
Latitude 45.5582 ± 0.0108
Longitude 7.6552 ± 0.0154
Depth (km) 15 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 82353391

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1199
Semi-minor axis of confidence ellipse (meter) 864
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 69
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) 143
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.42
Epicentral distance of station closest to the epicenter (degree) 0.07464
Epicentral distance of station farthest from the epicenter (degree) 0.54949
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 82353391
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-26 22:09:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CH.DIX.HHZ. 2020-08-26T22:03:24.30 0.3 undecidable manual S 342 60.9945 95 -0.95 51
GU.REMY.HHZ. 2020-08-26T22:03:22.09 0.3 undecidable manual S 309 49.5171 97 -0.13 68
GU.LSD.HHZ. 2020-08-26T22:03:19.66 0.1 undecidable manual S 255 41.9247 98 -0.55 81
CH.DIX.HHZ. 2020-08-26T22:03:17.28 0.3 undecidable manual P 342 60.9945 95 -0.03 68
IV.MRGE.HHZ. 2020-08-26T22:03:16.44 0.1 undecidable manual P 297 51.7038 96 0.55 83
GU.REMY.HHZ. 2020-08-26T22:03:15.82 0.1 undecidable manual P 309 49.5171 97 0.26 89
GU.LSD.HHZ. 2020-08-26T22:03:14.66 0.1 undecidable manual P 255 41.9247 98 0.26 91
GU.CIRO.HHZ. 2020-08-26T22:03:12.16 0.1 undecidable manual S 306 8.2806 146 0.02 100
GU.TRAV.HHZ. 2020-08-26T22:03:11.91 0.1 undecidable manual S 125 8.7801 144 -0.29 97
GU.TRAV.HHZ. 2020-08-26T22:03:09.92 0.1 undecidable manual P 125 8.7801 144 0.14 97
GU.CIRO.HHZ. 2020-08-26T22:03:09.97 0.1 undecidable manual P 306 8.2806 146 0.23 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.CIRO.HHN. ML:1.2 0.000156 0.08 AML other m 2020-08-26T22:03:12.25
GU.CIRO.HHE. ML:1.1 0.00013045 0.28 AML other m 2020-08-26T22:03:12.25
GU.LSD.HHE. ML:0.0 0.00000009125102500000001 0.064 AML other m 2020-08-26T22:03:19.92
GU.LSD.HHN. ML:0.5 0.000011505308499999998 0.0768 AML other m 2020-08-26T22:03:19.87
GU.REMY.HHN. ML:0.8 0.000014415701000000001 0.5376 AML other m 2020-08-26T22:03:22.49
CH.DIX.HHE. ML:1.2 0.000029959120000000004 0.0896 AML other m 2020-08-26T22:03:25.91
CH.DIX.HHN. ML:1.0 0.0000219097685 0.1152 AML other m 2020-08-26T22:03:24.51
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