Earthquake with magnitude of ML 0.8 on date 21-10-2019 and time 23:57:14 (Italy) in region 6 km W Carcoforo (VC)

A magnitude ML 0.8 earthquake occured in region: 6 km W Carcoforo (VC), on

  • 21-10-2019 21:57:14 (UTC)
  • 21-10-2019 23:57:14 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.912, 7.972 at 15 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
Carcoforo VC 6 78 78
Macugnaga VB 6 557 635
Rima San Giuseppe VC 7 59 694
Alagna Valsesia VC 7 408 1102
Riva Valdobbia VC 9 258 1360
Rimasco VC 9 106 1466
Ceppo Morelli VB 10 321 1787
Mollia VC 12 95 1882
Vanzone con San Carlo VB 13 407 2289
Campertogno VC 13 237 2526
Boccioleto VC 14 205 2731
Gressoney-La-Trinité AO 15 303 3034
Fobello VC 15 196 3230
Rossa VC 15 180 3410
Cervatto VC 15 47 3457
Bannio Anzino VB 16 475 3932
Rassa VC 16 71 4003
Rimella VC 16 134 4137
Balmuccia VC 17 112 4249
Piode VC 17 202 4451
Scopa VC 17 381 4832
Pila VC 18 142 4974
Scopello VC 18 387 5361
Gressoney-Saint-Jean AO 19 807 6168
Calasca-Castiglione VB 19 649 6817
Vocca VC 19 174 6991
Cravagliana VC 19 251 7242

Municipalities with at least 50000 inhabitants

An earthquake occurred to
67 Km W of Varese (80799 inhabitants)
70 Km W of Gallarate (53343 inhabitants)
72 Km NW of Novara (104380 inhabitants)
76 Km W of Busto Arsizio (83106 inhabitants)
82 Km W of Legnano (60262 inhabitants)
87 Km W of Como (84495 inhabitants)
93 Km W of Rho (50434 inhabitants)
96 Km NW of Vigevano (63310 inhabitants)
96 Km N of Torino (890529 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 2019-10-21
21:57:14
45.9117 7.9718 15 2020-02-28
16:42:28
Bollettino Sismico Italiano INGV 76872681
Reviewed
Rev100
ML 0.8 2019-10-21
21:57:14
45.9093 7.9537 14 2019-10-21
22:08:48
Sala Sismica INGV-Roma 73380901
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-21 21:57:14 ± 0.3
Latitude 45.9117 ± 0.0153
Longitude 7.9718 ± 0.0220
Depth (km) 15 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 76872681

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1937
Semi-minor axis of confidence ellipse (meter) 899
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 129
Circular confidence region, given by single value of horizontal uncertainty (meter) 1940
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 204
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.43
Epicentral distance of station closest to the epicenter (degree) 0.08094
Epicentral distance of station farthest from the epicenter (degree) 0.65021
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 76872681
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-27 16:22:00

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 73380901
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-10-21 22:08:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.MRGE.HHZ. 2019-10-21T21:57:36.27 0.6 undecidable manual S 258 0.6502 94 -0.07 46
GU.REMY.HHZ. 2019-10-21T21:57:34.31 0.6 undecidable manual S 263 0.572 94 0.26 44
CH.DIX.HHZ. 2019-10-21T21:57:29.04 0.3 undecidable manual S 293 0.4263 97 -0.7 62
GU.TRAV.HHZ. 2019-10-21T21:57:28.92 0.3 undecidable manual S 202 0.4281 97 -0.89 55
GU.CIRO.HHZ. 2019-10-21T21:57:28.96 0.3 undecidable manual S 222 0.4182 97 -0.55 64
IV.MRGE.HHZ. 2019-10-21T21:57:27.82 0.3 undecidable manual P 258 0.6502 94 0.66 59
GU.REMY.HHZ. 2019-10-21T21:57:26.18 0.3 undecidable manual P 263 0.572 94 0.35 66
GU.CIRO.HHZ. 2019-10-21T21:57:23.58 0.3 undecidable manual P 222 0.4182 97 0.37 68
CH.DIX.HHZ. 2019-10-21T21:57:23.55 0.3 undecidable manual P 293 0.4263 97 0.2 70
GU.TRAV.HHZ. 2019-10-21T21:57:23.55 0.3 undecidable manual P 202 0.4281 97 0.16 71
GU.SATI.HHZ. 2019-10-21T21:57:20.23 0.3 undecidable manual S 243 0.0809 142 -0.06 78
CH.MMK.HHZ. 2019-10-21T21:57:20.89 0.3 undecidable manual S 358 0.1394 123 -0.67 65
GU.SATI.HHZ. 2019-10-21T21:57:18.33 0.1 undecidable manual P 243 0.0809 142 0.45 94
CH.MMK.HHZ. 2019-10-21T21:57:18.75 0.1 undecidable manual P 358 0.1394 123 0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.SATI.HHN. ML:1.1 0.00013338285 0.0768 AML other m 2019-10-21T21:57:20.48
GU.SATI.HHE. ML:1 0.000104324015 0.0896 AML other m 2019-10-21T21:57:20.52
CH.MMK.HHN. ML:0.3 1.4065177E-5 1.8592 AML other m 2019-10-21T21:57:20.01
CH.MMK.HHE. ML:0.1 1.14624125E-5 0.0768 AML other m 2019-10-21T21:57:21.13
GU.TRAV.HHE. ML:1.2 4.463793E-5 0.1024 AML other m 2019-10-21T21:57:29.20
CH.DIX.HHE. ML:1 2.662192E-5 0.1536 AML other m 2019-10-21T21:57:29.23
GU.TRAV.HHN. ML:1.2 4.7278045E-5 0.1536 AML other m 2019-10-21T21:57:29.37
CH.DIX.HHN. ML:1 2.257969E-5 0.0896 AML other m 2019-10-21T21:57:30.93
GU.REMY.HHE. ML:0.7 8.989545E-6 1.8848 AML other m 2019-10-21T21:57:34.96
GU.REMY.HHN. ML:0.7 9.25416525E-6 1.8976 AML other m 2019-10-21T21:57:34.02
IV.MRGE.HHN. ML:0.5 5.781047E-6 1.9232 AML other m 2019-10-21T21:57:37.00
IV.MRGE.HHE. ML:0.5 4.4139455E-6 0.064 AML other m 2019-10-21T21:57:38.73
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