Earthquake with magnitude of ML 1.8 on date 13-09-2022 and time 23:36:34 (Italy) in region Confine Italia Svizzera (SVIZZERA)

A magnitude ML 1.8 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on

  • 13-09-2022 21:36:34 (UTC)
  • 13-09-2022 23:36:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.4310, 8.6760 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
Formazza VB 20 445 445

Municipalities with at least 50000 inhabitants

An earthquake occurred to
69 Km N of Varese (80799 inhabitants)
76 Km NW of Como (84495 inhabitants)
86 Km N of Gallarate (53343 inhabitants)
92 Km N of Busto Arsizio (83106 inhabitants)
95 Km N 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
Bulletin
Rev1000
ML 1.8 2022-09-13
21:36:34
46.4312 8.6758 11 2024-03-01
15:27:54
Bollettino Sismico Italiano INGV 109736351
Reviewed
Rev100
ML 2.1 2022-09-13
21:36:34
46.4295 8.6853 11 2022-09-13
21:45:22
Sala Sismica INGV-Roma 109674711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-09-13 21:36:34 ± 0.12
Latitude 46.4312 ± 0.0072
Longitude 8.6758 ± 0.0091
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 109736351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 789
Semi-minor axis of confidence ellipse (meter) 647
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 329
Circular confidence region, given by single value of horizontal uncertainty (meter) 790.0
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 40
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.87599
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 29
Type of magnitude ML
Reference to an origin 109736351
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-06 14:31:53

ML:2.1

Field Value
Value 2.1
Uncertainty 0.4
Num. used stations 40
Type of magnitude ML
Reference to an origin 109674711
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-09-13 21:45:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FRON.EHZ. 2022-09-13T21:38:31.01 3.0 undecidable manual Sn 1.38 0
IV.GUAR.HHZ. 2022-09-13T21:38:17.84 3.0 undecidable manual Pg 16.610001 0
IV.SEI.HHZ. 2022-09-13T21:37:59.50 3.0 undecidable manual Sn -4.25 0
IV.CSP1.EHZ. 2022-09-13T21:37:51.38 3.0 positive manual Pn 4.71 0
GU.GSCL.HHZ. 2022-09-13T21:37:51.02 3.0 undecidable manual Sg 1.14 0
IV.SNTG.HHZ. 2022-09-13T21:37:51.62 3.0 negative manual Pg 8.41 0
IV.RM33.HNZ. 2022-09-13T21:37:49.58 3.0 undecidable manual Pn -3.2 0
GU.ENR.HHZ. 2022-09-13T21:37:49.66 3.0 undecidable manual Sg 4.37 0
IV.BRSN.HNZ. 2022-09-13T21:37:26.49 3.0 negative manual Pn -0.69 0
GU.CANO.HHZ. 2022-09-13T21:37:12.53 3.0 negative manual Pn -0.21 0
IV.BRMO.HHZ. 2022-09-13T21:37:11.45 0.6 undecidable manual S 87 129.7701 50 -0.11 39
ST.PANI.EHZ. 2022-09-13T21:37:08.94 1.0 undecidable manual P 101 208.236 38 1.94 6
IV.MDI.HHZ. 2022-09-13T21:37:06.08 0.6 undecidable manual S 132 108.5136 50 0.17 40
ST.OZOL.EHZ. 2022-09-13T21:37:04.84 1.0 undecidable manual P 90 181.6848 38 1.15 11
IV.MAGA.HHZ. 2022-09-13T21:37:02.38 0.6 undecidable manual P 115 166.9107 50 0.8 28
ST.RONC.EHZ. 2022-09-13T21:37:00.66 0.1 undecidable manual P 108 157.62 50 0.5 66
GU.SATI.HHE. 2022-09-13T21:37:00.05 0.6 undecidable manual S 225 87.4458 50 -0.23 41
GU.LSD.HHZ. 2022-09-13T21:37:00.58 0.1 undecidable manual P 228 160.5171 50 -0.02 72
CH.PLONS.HHZ. 2022-09-13T21:36:59.23 0.3 undecidable manual S 38 87.0462 50 -0.93 49
IV.MRGE.HHZ. 2022-09-13T21:36:58.88 0.3 undecidable manual P 240 144.2445 50 0.78 46
IV.MABI.HHZ. 2022-09-13T21:36:58.87 0.3 undecidable manual P 106 147.0417 50 0.34 53
IV.BRMO.HHZ. 2022-09-13T21:36:55.86 0.3 undecidable manual P 87 129.7701 50 0 59
CH.FUORN.HHE. 2022-09-13T21:36:54.86 0.3 undecidable manual P 80 122.988 50 0.04 60
GU.CIRO.HHZ. 2022-09-13T21:36:54.57 0.3 undecidable manual P 223 125.4744 50 -0.63 51
CH.MMK.HHZ. 2022-09-13T21:36:54.68 0.6 undecidable manual S 233 69.0753 50 -0.68 37
IV.MDI.HHZ. 2022-09-13T21:36:53.10 0.1 undecidable manual P 132 108.5136 50 0.51 74
IV.VARE.HHZ. 2022-09-13T21:36:53.12 0.6 undecidable manual S 173 62.8926 50 -0.61 39
CH.DIX.HHZ. 2022-09-13T21:36:52.76 0.1 undecidable manual P 249 104.7174 50 0.75 68
CH.MUGIO.HHZ. 2022-09-13T21:36:52.53 0.6 undecidable manual S 153 63.0924 50 -1.24 29
CH.BERNI.HHZ. 2022-09-13T21:36:51.52 0.1 undecidable manual P 91 103.0191 50 -0.22 80
CH.DAVOX.HHZ. 2022-09-13T21:36:51.15 0.3 undecidable manual P 67 99.6225 50 -0.06 62
CH.BNALP.HHZ. 2022-09-13T21:36:50.57 0.6 undecidable manual S 339 52.3032 50 -0.33 43
CH.PLONS.HHZ. 2022-09-13T21:36:49.35 0.3 undecidable manual P 38 87.0462 50 0.07 64
GU.SATI.HHE. 2022-09-13T21:36:49.38 0.1 undecidable manual P 225 87.4458 50 0.04 85
CH.MMK.HHZ. 2022-09-13T21:36:46.61 0.1 undecidable manual P 233 69.0753 50 0.1 87
CH.MUGIO.HHZ. 2022-09-13T21:36:45.24 0.3 undecidable manual P 153 63.0924 50 -0.35 63
IV.VARE.HHZ. 2022-09-13T21:36:45.49 0.1 positive manual P 173 62.8926 50 -0.07 89
CH.BNALP.HHZ. 2022-09-13T21:36:44.15 0.1 undecidable manual P 339 52.3032 50 0.21 88
CH.FUSIO.HHZ. 2022-09-13T21:36:37.85 0.3 undecidable manual S 340 2.7972 165 -0.44 69
CH.FUSIO.HHZ. 2022-09-13T21:36:36.67 0.1 undecidable manual P 340 2.7972 165 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
CH.FUSIO.HHE. ML:2.3 0.0034099385 1.8848 AML other m 2022-09-13T21:36:37.03
CH.FUSIO.HHN. ML:2.6 0.0062679675 0.1152 AML other m 2022-09-13T21:36:37.93
CH.BNALP.HHE. ML:2.1 0.00033937335000000003 0.2432 AML other m 2022-09-13T21:36:50.82
CH.BNALP.HHN. ML:1.9 0.00020039415 0.1408 AML other m 2022-09-13T21:36:51.55
IV.VARE.HHE. ML:1.8 0.00012014702999999999 0.1792 AML other m 2022-09-13T21:36:53.15
IV.VARE.HHN. ML:1.7 0.000105284975 0.1792 AML other m 2022-09-13T21:36:53.24
CH.MUGIO.HHE. ML:2.2 0.00031752804999999994 0.2944 AML other m 2022-09-13T21:36:53.25
CH.MUGIO.HHN. ML:2.2 0.0003115 0.66 AML other m 2022-09-13T21:36:53.42
CH.MMK.HHE. ML:1.1 0.00002145131 0.3328 AML other m 2022-09-13T21:36:55.62
CH.MMK.HHN. ML:1.2 0.000031026435 0.1536 AML other m 2022-09-13T21:36:57.36
CH.PLONS.HHE. ML:1.6 0.00005514423 0.448 AML other m 2022-09-13T21:36:59.96
CH.PLONS.HHN. ML:1.6 0.00005033794000000001 0.3584 AML other m 2022-09-13T21:36:59.87
CH.DAVOX.HHE. ML:2.1 0.00012796755 1.3568 AML other m 2022-09-13T21:37:03.21
CH.DAVOX.HHN. ML:2.1 0.00012096804999999999 0.32 AML other m 2022-09-13T21:37:03.89
CH.BERNI.HHE. ML:1.5 0.000031830844999999997 0.3328 AML other m 2022-09-13T21:37:04.81
CH.BERNI.HHN. ML:1.6 0.000035519065 0.4864 AML other m 2022-09-13T21:37:04.56
CH.DIX.HHN. ML:2.2 0.000128694595 0.2688 AML other m 2022-09-13T21:37:05.51
CH.DIX.HHE. ML:2.2 0.00016568985 0.192 AML other m 2022-09-13T21:37:06.04
IV.MDI.HHN. ML:2.0 0.000077888965 0.32 AML other m 2022-09-13T21:37:06.40
IV.MDI.HHE. ML:2.0 0.000081089975 0.2048 AML other m 2022-09-13T21:37:07.16
GU.CIRO.HHN. ML:1.6 0.000029930070000000005 2.1376 AML other m 2022-09-13T21:37:11.63
GU.CIRO.HHE. ML:1.5 0.000020175495000000003 0.3968 AML other m 2022-09-13T21:37:10.90
IV.BRMO.HHE. ML:1.2 0.000012198779 1.408 AML other m 2022-09-13T21:37:12.36
IV.BRMO.HHN. ML:1.5 0.000022052044999999998 1.1776 AML other m 2022-09-13T21:37:12.31
IV.MABI.HHN. ML:1.8 0.000031701 1.1136 AML other m 2022-09-13T21:37:17.02
IV.MABI.HHE. ML:1.4 0.00001401835 0.1664 AML other m 2022-09-13T21:37:16.48
ST.RONC.EHN. ML:2.3 0.00010009507500000001 0.1664 AML other m 2022-09-13T21:37:19.97
ST.RONC.EHE. ML:2.4 0.00010611898999999999 1.3568 AML other m 2022-09-13T21:37:19.29
GU.LSD.HHE. ML:1.5 0.00001705031 1.3568 AML other m 2022-09-13T21:37:19.48
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
Waveforms Seismic signals in miniseed + resp format Download