Earthquake with magnitude of ML 0.9 on date 12-07-2020 and time 07:45:50 (Italy) in region Confine Italia Svizzera (SVIZZERA)

A magnitude ML 0.9 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on

  • 12-07-2020 05:45:50 (UTC)
  • 12-07-2020 07:45:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.9940, 7.8120 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
Macugnaga VB 12 557 557
Gressoney-La-Trinité AO 18 303 860
Alagna Valsesia VC 18 408 1268
Valtournenche AO 19 2277 3545
Ceppo Morelli VB 20 321 3866

Municipalities with at least 50000 inhabitants

An earthquake occurred to
81 Km W of Varese (80799 inhabitants)
85 Km W of Gallarate (53343 inhabitants)
88 Km NW of Novara (104380 inhabitants)
91 Km W of Busto Arsizio (83106 inhabitants)
97 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 0.9 2020-07-12
05:45:50
45.9938 7.8123 10 2020-07-12
05:56:50
Sala Sismica INGV-Roma 80971301
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-12 05:45:50 ± 0.18
Latitude 45.9938 ± 0.0099
Longitude 7.8123 ± 0.0194
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 80971301

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1525
Semi-minor axis of confidence ellipse (meter) 937
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 117
Circular confidence region, given by single value of horizontal uncertainty (meter) 1530.0
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 13
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.45
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.74734
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 80971301
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-12 05:56:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CH.FUSIO.HHE. 2020-07-12T05:46:16.25 0.3 undecidable manual S 52 82.9503 50 0.68 57
IV.ZONE.HHZ. 2020-07-12T05:46:14.02 3.0 negative manual Pn 0.01 0
GU.CIRO.HHE. 2020-07-12T05:46:05.84 0.3 undecidable manual S 204 47.4192 50 -0.25 68
CH.FUSIO.HHE. 2020-07-12T05:46:04.43 0.3 undecidable manual P 52 82.9503 50 -0.61 58
IV.MRGE.HHZ. 2020-07-12T05:46:02.52 0.1 undecidable manual P 247 63.0924 50 0.53 83
CH.DIX.HHZ. 2020-07-12T05:46:01.64 0.3 undecidable manual S 287 32.5452 50 -0.49 67
GU.TRAV.HHZ. 2020-07-12T05:45:59.99 0.1 undecidable manual P 185 53.6019 50 -0.53 84
GU.CIRO.HHE. 2020-07-12T05:45:59.80 0.1 undecidable manual P 204 47.4192 50 0.24 91
CH.DIX.HHZ. 2020-07-12T05:45:57.42 0.1 negative manual P 287 32.5452 50 0.14 96
GU.SATI.HHZ. 2020-07-12T05:45:56.41 0.1 undecidable manual S 162 13.875 125 -0.09 100
CH.MMK.HHE. 2020-07-12T05:45:55.79 0.3 undecidable manual S 62 13.2756 126 -0.55 68
CH.MMK.HHE. 2020-07-12T05:45:54.17 0.1 undecidable manual P 62 13.2756 126 0.23 97
GU.SATI.HHZ. 2020-07-12T05:45:54.55 0.3 undecidable manual P 162 13.875 125 0.52 68
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.SATI.HHE. ML:0.8 0.00006025 0.16 AML other m 2020-07-12T05:45:56.50
GU.SATI.HHN. ML:0.8 0.00006715 0.06 AML other m 2020-07-12T05:45:56.66
CH.DIX.HHE. ML:1.0 0.00004475 0.18 AML other m 2020-07-12T05:46:01.87
CH.DIX.HHN. ML:1.0 0.00004455 1.12 AML other m 2020-07-12T05:46:02.09
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