Earthquake with magnitude of ML 1.9 on date 04-07-2022 and time 10:31:51 (Italy) in region Confine Italia Svizzera (SVIZZERA)

A magnitude ML 1.9 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on

  • 04-07-2022 08:31:51 (UTC)
  • 04-07-2022 10:31:51 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.1870, 7.6460 at 8 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
100 Km W of Varese (80799 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 1.9 2022-07-04
08:31:51
46.1867 7.6457 8 2023-01-31
19:03:55
Bollettino Sismico Italiano INGV 111482801
Reviewed
Rev100
ML 1.9 2022-07-04
08:31:51
46.1977 7.64 9 2022-07-04
08:46:12
Sala Sismica INGV-Roma 106789001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-07-04 08:31:51 ± 0.11
Latitude 46.1867 ± 0.0054
Longitude 7.6457 ± 0.0065
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 111482801

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 649
Semi-minor axis of confidence ellipse (meter) 210
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 335
Circular confidence region, given by single value of horizontal uncertainty (meter) 650.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 161
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.37686
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 111482801
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-12-30 17:14:21

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 106789001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-07-04 08:46:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MIDA.HHZ. 2022-07-04T08:33:48.95 3.0 undecidable manual P 1.902 0
IV.IMOL.HNZ. 2022-07-04T08:33:44.30 3.0 undecidable manual Sg 5.84 0
IV.PTRJ.HHZ. 2022-07-04T08:33:41.07 3.0 undecidable manual P 6.39 0
IV.SACR.HNZ. 2022-07-04T08:33:35.39 3.0 undecidable manual P -0.23 0
OX.CIMO.HHZ. 2022-07-04T08:33:27.36 3.0 undecidable manual Sn -3.73 0
IV.MF5.EHZ. 2022-07-04T08:33:24.43 3.0 undecidable manual P 1.313 0
IT.MTCL.HGZ. 2022-07-04T08:33:19.17 3.0 undecidable manual P 1.145 0
IV.NARO.HHZ. 2022-07-04T08:33:15.52 3.0 undecidable manual P 1.651 0
IV.MBAL.EHZ. 2022-07-04T08:33:12.53 3.0 undecidable manual Sg 3.58 0
IV.RM33.EHZ. 2022-07-04T08:33:12.75 3.0 undecidable manual P -1.15 0
IV.ATFO.HHZ. 2022-07-04T08:33:10.07 3.0 undecidable manual P 8.99 0
IV.CRE.HHZ. 2022-07-04T08:33:01.02 3.0 positive manual P 6.91 0
GU.POPM.HHZ. 2022-07-04T08:32:44.84 3.0 positive manual P 3.42 0
GU.MGRO.HHZ. 2022-07-04T08:32:28.84 3.0 undecidable manual P 0.12 0
GU.RSP.HHZ. 2022-07-04T08:32:27.33 0.6 undecidable manual S 195 118.8921 50 0.45 39
GU.LSD.HHZ. 2022-07-04T08:32:18.88 0.6 undecidable manual S 206 89.8434 50 -0.23 43
GU.BHB.HHZ. 2022-07-04T08:32:17.26 0.6 undecidable manual P 191 152.8359 50 -0.07 39
CH.FUSIO.HHZ. 2022-07-04T08:32:16.82 0.6 undecidable manual S 69 83.4498 50 -0.59 40
GU.TRAV.HHZ. 2022-07-04T08:32:15.22 0.6 undecidable manual S 174 75.2691 50 0.01 46
GU.CIRO.HHZ. 2022-07-04T08:32:12.64 0.3 undecidable manual S 185 65.1903 50 0.12 69
GU.RSP.HHZ. 2022-07-04T08:32:12.49 0.6 undecidable manual P 195 118.8921 50 0.39 39
IV.MRGE.HHZ. 2022-07-04T08:32:11.97 0.6 undecidable manual S 224 64.5909 50 -0.4 44
CH.BNALP.HHE. 2022-07-04T08:32:08.69 0.1 undecidable manual P 38 96.4257 50 0.06 88
GU.LSD.HHZ. 2022-07-04T08:32:07.78 0.1 negative manual P 206 89.8434 50 0.16 87
CH.FUSIO.HHZ. 2022-07-04T08:32:06.62 0.3 undecidable manual P 69 83.4498 50 -0.01 68
GU.SATI.HHZ. 2022-07-04T08:32:05.13 0.3 undecidable manual S 153 38.5281 50 -0.3 70
GU.TRAV.HHZ. 2022-07-04T08:32:05.30 0.3 undecidable manual P 174 75.2691 50 -0.07 69
IV.MRGE.HHZ. 2022-07-04T08:32:03.73 0.1 positive manual P 224 64.5909 50 0 95
GU.CIRO.HHZ. 2022-07-04T08:32:03.79 0.3 undecidable manual P 185 65.1903 50 -0.03 71
CH.MMK.HHZ. 2022-07-04T08:32:01.93 0.3 undecidable manual S 122 28.749 105 -0.31 71
GU.SATI.HHZ. 2022-07-04T08:32:00.05 0.1 positive manual P 153 38.5281 50 0.33 93
CH.DIX.HHZ. 2022-07-04T08:31:59.52 0.3 undecidable manual S 237 21.7671 109 -0.4 71
CH.MMK.HHZ. 2022-07-04T08:31:58.18 0.1 undecidable manual P 122 28.749 105 0.3 95
CH.DIX.HHZ. 2022-07-04T08:31:56.65 0.1 positive manual P 237 21.7671 109 0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
CH.DIX.HHE. ML:2.4 0.00197 0.66 AML other m 2022-07-04T08:31:59.92
CH.DIX.HHN. ML:2.4 0.00198 1.64 AML other m 2022-07-04T08:31:59.16
CH.MMK.HHN. ML:1.0 0.000048 1.18 AML other m 2022-07-04T08:32:03.94
CH.MMK.HHE. ML:0.8 0.0000308 0.86 AML other m 2022-07-04T08:32:04.47
GU.SATI.HHE. ML:1.9 0.000268 1.48 AML other m 2022-07-04T08:32:05.96
GU.SATI.HNE. ML:1.9 0.0002755 0.42 AML other m 2022-07-04T08:32:05.96
GU.SATI.HNN. ML:1.9 0.0002825 0.96 AML other m 2022-07-04T08:32:06.08
GU.SATI.HHN. ML:1.9 0.00028349999999999995 0.98 AML other m 2022-07-04T08:32:06.08
GU.CIRO.HHE. ML:1.8 0.00011449999999999999 0.2 AML other m 2022-07-04T08:32:13.61
IV.MRGE.HHN. ML:2.1 0.0002525 0.38 AML other m 2022-07-04T08:32:14.55
IV.MRGE.HHE. ML:2.1 0.00023799999999999998 1.2 AML other m 2022-07-04T08:32:15.76
GU.CIRO.HHN. ML:1.5 0.000055599999999999996 0.22 AML other m 2022-07-04T08:32:15.43
GU.TRAV.HHN. ML:2.0 0.0001575 0.28 AML other m 2022-07-04T08:32:16.33
GU.TRAV.HHE. ML:2.0 0.000153 1.24 AML other m 2022-07-04T08:32:16.15
CH.FUSIO.HHN. ML:1.5 0.00004695 0.42 AML other m 2022-07-04T08:32:19.12
CH.FUSIO.HHE. ML:1.4 0.000035 0.16 AML other m 2022-07-04T08:32:20.19
GU.LSD.HHE. ML:1.9 0.00009465 0.22 AML other m 2022-07-04T08:32:22.44
GU.LSD.HHN. ML:1.8 0.00007095 1.06 AML other m 2022-07-04T08:32:22.15
GU.RSP.HHE. ML:2.1 0.00009685 1 AML other m 2022-07-04T08:32:29.94
GU.RSP.HHN. ML:2.0 0.00008565000000000001 0.22 AML other m 2022-07-04T08:32:30.62
GU.BHB.HHE. ML:1.8 0.000028499999999999998 1.32 AML other m 2022-07-04T08:32:38.99
GU.BHB.HHN. ML:1.7 0.000024449999999999998 0.84 AML other m 2022-07-04T08:32:40.82
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