Earthquake with magnitude of ML 0.8 on date 31-03-2020 and time 17:17:54 (Italy) in region 5 km S Druogno (VB)

A magnitude ML 0.8 earthquake occured in region: 5 km S Druogno (VB), on

  • 31-03-2020 15:17:54 (UTC)
  • 31-03-2020 17:17:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.088, 8.43 at 11 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Druogno VB 5 1027 1027
Santa Maria Maggiore VB 6 1266 2293
Toceno VB 7 770 3063
Malesco VB 7 1434 4497
Craveggia VB 8 745 5242
Trontano VB 8 1660 6902
Villette VB 10 268 7170
Masera VB 10 1529 8699
Beura-Cardezza VB 10 1485 10184
Re VB 10 772 10956
Cursolo-Orasso VB 11 94 11050
Gurro VB 11 217 11267
Domodossola VB 11 18192 29459
Montecrestese VB 12 1266 30725
Premosello-Chiovenda VB 12 2035 32760
Crevoladossola VB 12 4655 37415
Anzola d'Ossola VB 13 427 37842
Falmenta VB 13 137 37979
Ornavasso VB 13 3439 41418
Villadossola VB 13 6653 48071
Vogogna VB 14 1731 49802
Pallanzeno VB 14 1133 50935
Mergozzo VB 14 2185 53120
Miazzina VB 14 361 53481
Piedimulera VB 15 1528 55009
Cossogno VB 15 644 55653
Intragna VB 15 106 55759
Montescheno VB 15 413 56172
Pieve Vergonte VB 15 2593 58765
Caprezzo VB 16 174 58939
Aurano VB 16 111 59050
San Bernardino Verbano VB 16 1341 60391
Cambiasca VB 16 1664 62055
Borgomezzavalle VB 17 318 62373
Cavaglio-Spoccia VB 17 267 62640
Crodo VB 17 1404 64044
Premeno VB 18 733 64777
Bognanco VB 18 219 64996
Vignone VB 18 1210 66206
Gravellona Toce VB 18 7777 73983
Bee VB 18 728 74711
Arizzano VB 19 1993 76704
Casale Corte Cerro VB 19 3461 80165
Varzo VB 19 2046 82211
Trarego Viggiona VB 19 402 82613
Oggebbio VB 20 867 83480

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km NW of Varese (80799 inhabitants)
55 Km NW of Gallarate (53343 inhabitants)
59 Km NW of Como (84495 inhabitants)
62 Km NW of Busto Arsizio (83106 inhabitants)
67 Km NW of Legnano (60262 inhabitants)
73 Km N of Novara (104380 inhabitants)
78 Km NW of Rho (50434 inhabitants)
85 Km NW of Cinisello Balsamo (75078 inhabitants)
86 Km NW of Monza (122671 inhabitants)
88 Km NW of Sesto San Giovanni (81608 inhabitants)
91 Km NW of Milano (1345851 inhabitants)
92 Km NW of Vigevano (63310 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 0.8 2020-03-31
15:17:54
46.0878 8.4298 11 2020-07-18
21:08:33
Bollettino Sismico Italiano INGV 78313711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-31 15:17:54 ± 0.08
Latitude 46.0878 ± 0.0045
Longitude 8.4298 ± 0.0065
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 78313711

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 619
Semi-minor axis of confidence ellipse (meter) 278
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 322
Circular confidence region, given by single value of horizontal uncertainty (meter) 620
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 90
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.32286
Epicentral distance of station farthest from the epicenter (degree) 0.78241
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 78313711
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-04-17 08:38:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
CH.BNALP.HHE. 2020-03-31T15:18:20.71 0.3 undecidable manual S 360 0.7824 90 0.12 71
CH.DIX.HHZ. 2020-03-31T15:18:18.39 0.3 undecidable manual S 270 0.7087 90 0 74
CH.MUGIO.HHZ. 2020-03-31T15:18:10.58 0.3 undecidable manual S 111 0.456 90 -0.34 73
GU.SATI.HHZ. 2020-03-31T15:18:10.41 0.3 undecidable manual S 242 0.4443 90 -0.15 76
GU.CIRO.HHE. 2020-03-31T15:18:09.35 0.3 undecidable manual P 231 0.7716 90 -0.22 70
CH.BNALP.HHE. 2020-03-31T15:18:09.86 0.6 undecidable manual P 360 0.7824 90 0.11 48
MN.TUE.HHZ. 2020-03-31T15:18:09.05 0.1 undecidable manual P 58 0.741 90 0 98
CH.DIX.HHZ. 2020-03-31T15:18:08.66 0.6 undecidable manual P 270 0.7087 90 0.17 48
CH.FUSIO.HHZ. 2020-03-31T15:18:08.69 0.6 undecidable manual S 24 0.4011 91 -0.59 46
GU.TRAV.HHZ. 2020-03-31T15:18:08.78 0.3 undecidable manual P 220 0.7464 90 -0.35 68
IV.VARE.HHZ. 2020-03-31T15:18:06.81 0.3 undecidable manual S 133 0.3229 91 -0.17 78
CH.MMK.HHZ. 2020-03-31T15:18:06.86 0.3 undecidable manual S 264 0.3256 91 -0.18 77
GU.SATI.HHZ. 2020-03-31T15:18:04.19 0.1 positive manual P 242 0.4443 90 0.23 100
CH.MUGIO.HHZ. 2020-03-31T15:18:04.46 0.3 undecidable manual P 111 0.456 90 0.29 74
CH.FUSIO.HHZ. 2020-03-31T15:18:03.37 0.3 undecidable manual P 24 0.4011 91 0.14 77
IV.VARE.HHZ. 2020-03-31T15:18:02.32 0.3 undecidable manual P 133 0.3229 91 0.43 73
CH.MMK.HHZ. 2020-03-31T15:18:02.42 0.3 undecidable manual P 264 0.3256 91 0.49 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
CH.MMK.HHE. ML:0.1 6.855E-6 0.2 AML other m 2020-03-31T15:18:02.71
CH.MUGIO.HHE. ML:1.1 2.9E-5 0.64 AML other m 2020-03-31T15:18:10.89
CH.MUGIO.HHN. ML:1.3 5.6E-5 0.64 AML other m 2020-03-31T15:18:11.30
GU.SATI.HHE. ML:0.9 2.045E-5 0.48 AML other m 2020-03-31T15:18:11.26
GU.SATI.HHN. ML:0.9 1.89E-5 1.16 AML other m 2020-03-31T15:18:12.80
IV.VARE.HHN. ML:1 3.271439E-5 1.6256 AML other m 2020-03-31T15:18:06.30
IV.VARE.HHE. ML:1 3.783172E-5 2.6624 AML other m 2020-03-31T15:18:07.67
CH.MMK.HHN. ML:0.4 1.0995057E-5 0.9984 AML other m 2020-03-31T15:18:06.92
CH.FUSIO.HHN. ML:0.7 1.6318549E-5 2.1632 AML other m 2020-03-31T15:18:09.32
CH.FUSIO.HHE. ML:0.7 1.4937415E-5 1.0368 AML other m 2020-03-31T15:18:08.76
CH.DIX.HHN. ML:1.6 4.7548795E-5 3.0976 AML other m 2020-03-31T15:18:19.46
CH.DIX.HHE. ML:1.6 5.7455985E-5 3.136 AML other m 2020-03-31T15:18:17.91
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