Earthquake with magnitude of ML 1.3 on date 30-11-2023 and time 23:39:26 (UTC) in region Confine Italia Svizzera (SVIZZERA)

A magnitude ML 1.3 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on

  • 30-11-2023 23:39:26 (UTC)
  • 01-12-2023 00:39:26 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.1980, 7.6680 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
99 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
Reviewed
Rev100
ML 1.3 2023-11-30
23:39:26
46.1985 7.6685 10 2023-11-30
23:46:49
Sala Sismica INGV-Roma 123601581
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-11-30 23:39:26 ± 0.15
Latitude 46.1985 ± 0.0090
Longitude 7.6685 ± 0.0117
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 123601581

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1032
Semi-minor axis of confidence ellipse (meter) 671
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 312
Circular confidence region, given by single value of horizontal uncertainty (meter) 1030.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 160
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.21584
Epicentral distance of station farthest from the epicenter (degree) 0.84986
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 17
Type of magnitude ML
Reference to an origin 123601581
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-11-30 23:46:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.CIRO.HHZ. 2023-11-30T23:39:46.71 0.3 undecidable manual S 187 66.5778 50 -0.21 67
GU.REMY.HHE. 2023-11-30T23:39:43.84 0.6 undecidable manual S 225 56.1993 50 -0.29 45
CH.BNALP.HHE. 2023-11-30T23:39:42.24 0.3 undecidable manual P 37 94.3389 50 -0.26 63
GU.LSD.HHZ. 2023-11-30T23:39:42.45 0.6 undecidable manual P 207 91.8414 50 0.34 42
CH.FUSIO.HHE. 2023-11-30T23:39:40.30 0.3 undecidable manual P 69 81.3519 50 -0.21 65
4P.IT02A.HHZ. 2023-11-30T23:39:40.80 0.6 undecidable manual P 140 83.25 50 -0.01 45
GU.TRAV.HHZ. 2023-11-30T23:39:40.03 1.0 undecidable manual P 175 76.368 50 0.29 22
GU.SATI.HHZ. 2023-11-30T23:39:39.34 0.3 undecidable manual S 157 39.0276 50 -0.21 71
IV.MRGE.HHZ. 2023-11-30T23:39:38.58 0.6 undecidable manual P 225 66.7776 50 0.32 44
GU.CIRO.HHZ. 2023-11-30T23:39:38.71 1.0 undecidable manual P 187 66.5778 50 0.47 21
GU.REMY.HHE. 2023-11-30T23:39:36.97 0.6 undecidable manual P 225 56.1993 50 0.34 44
CH.MMK.HHZ. 2023-11-30T23:39:36.37 0.3 undecidable manual S 126 28.0497 50 -0.25 71
GU.SATI.HHZ. 2023-11-30T23:39:34.48 0.3 negative manual P 157 39.0276 50 0.49 67
CH.DIX.HHZ. 2023-11-30T23:39:34.96 0.3 undecidable manual S 237 23.9538 112 -0.38 70
CH.MMK.HHZ. 2023-11-30T23:39:32.52 0.3 undecidable manual P 126 28.0497 50 0.23 72
CH.DIX.HHZ. 2023-11-30T23:39:31.60 0.1 undecidable manual P 237 23.9538 112 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
CH.DIX.HHE. ML:1.5 0.00021641335 0.7296 AML other m 2023-11-30T23:39:35.40
CH.DIX.HHN. ML:1.8 0.00037356325 0.1664 AML other m 2023-11-30T23:39:35.40
CH.MMK.HHE. ML:0.0 0.000006024357 0.1024 AML other m 2023-11-30T23:39:37.30
CH.MMK.HHN. ML:0.3 0.000009228070500000002 0.1024 AML other m 2023-11-30T23:39:36.92
GU.SATI.HNE. ML:1.4 0.00008495254499999999 0.128 AML other m 2023-11-30T23:39:40.78
GU.SATI.HNN. ML:1.4 0.000084104155 0.0768 AML other m 2023-11-30T23:39:40.44
GU.SATI.HHN. ML:1.3 0.00007534633 0.0768 AML other m 2023-11-30T23:39:40.44
GU.SATI.HHE. ML:1.4 0.00008335416499999999 0.1408 AML other m 2023-11-30T23:39:40.79
IV.MRGE.HHE. ML:1.4 0.000037919775 0.2176 AML other m 2023-11-30T23:39:50.02
IV.MRGE.HHN. ML:1.2 0.00002863873 0.2432 AML other m 2023-11-30T23:39:50.55
GU.CIRO.HHE. ML:1.0 0.000022001859999999997 0.32 AML other m 2023-11-30T23:39:46.93
GU.CIRO.HHN. ML:1.2 0.000031703955 1.024 AML other m 2023-11-30T23:39:39.85
GU.TRAV.HHN. ML:1.5 0.000045950055 0.1152 AML other m 2023-11-30T23:39:51.16
4P.IT02A.HHN. ML:1.3 0.000026256195450000003 0.256 AML other m 2023-11-30T23:39:52.82
4P.IT02A.HHE. ML:1.3 0.000026126938 0.256 AML other m 2023-11-30T23:39:54.47
GU.LSD.HHN. ML:1.1 0.000013628556 0.2816 AML other m 2023-11-30T23:39:57.47
GU.LSD.HHE. ML:1.1 0.000016246965 0.9984 AML other m 2023-11-30T23:39:42.92
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