Earthquake with magnitude of ML 1.6 on date 20-05-2024 and time 07:24:07 (Italy) in region Confine Italia Svizzera (SVIZZERA)

A magnitude ML 1.6 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on

  • 20-05-2024 05:24:07 (UTC)
  • 20-05-2024 07:24:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.1900, 7.7840 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
90 Km W of Varese (80799 inhabitants)
98 Km NW of Gallarate (53343 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 1.6 2024-05-20
05:24:07
46.1895 7.7838 11 2024-05-20
05:30:25
Sala Sismica INGV-Roma 127926021
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-05-20 05:24:07 ± 0.24
Latitude 46.1895 ± 0.0090
Longitude 7.7838 ± 0.0143
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 127926021

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1149
Semi-minor axis of confidence ellipse (meter) 590
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 123
Circular confidence region, given by single value of horizontal uncertainty (meter) 1150.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 163
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.10167
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 127926021
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-05-20 05:30:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSNT.HHZ. 2024-05-20T05:26:05.34 3.0 undecidable manual Sg 12.15 0
IV.PSL.EHZ. 2024-05-20T05:25:41.54 3.0 undecidable manual Sn 2.23 0
IV.FDMO.HHZ. 2024-05-20T05:25:39.06 3.0 negative manual Pg 15.91 0
IV.FIAM.HHZ. 2024-05-20T05:25:37.43 3.0 positive manual Pn 6.71 0
IV.CTI.HHZ. 2024-05-20T05:25:29.04 3.0 undecidable manual Sn 0.29 0
IV.ARVD.HHZ. 2024-05-20T05:25:19.71 3.0 undecidable manual Pn 1.72 0
IV.CPGN.EHZ. 2024-05-20T05:25:14.61 3.0 undecidable manual Pn 4.08 0
GU.RSP.HHZ. 2024-05-20T05:24:43.48 0.3 undecidable manual S 199 122.2887 50 0.55 56
CH.MUGIO.HHZ. 2024-05-20T05:24:37.50 0.6 undecidable manual S 107 101.3208 50 0.19 42
GU.LSD.HHZ. 2024-05-20T05:24:35.29 0.3 undecidable manual S 212 95.3379 50 -0.43 61
CH.BNALP.HHZ. 2024-05-20T05:24:32.89 3.0 undecidable manual S 33 90.0432 50 -1.42 0
CH.GIMEL.HHZ. 2024-05-20T05:24:30.99 3.0 undecidable manual P 5.93 0
GU.TRAV.HHZ. 2024-05-20T05:24:30.44 0.6 undecidable manual S 182 75.1692 50 0.09 45
CH.FUSIO.HHZ. 2024-05-20T05:24:29.22 0.6 undecidable manual S 66 73.5708 50 -0.68 39
GU.RSP.HHZ. 2024-05-20T05:24:28.30 0.1 undecidable manual P 199 122.2887 50 0.26 80
IV.ORO.EHZ. 2024-05-20T05:24:27.01 0.3 undecidable manual S 166 64.2912 50 -0.42 65
CH.MUGIO.HHZ. 2024-05-20T05:24:25.68 0.1 undecidable manual P 107 101.3208 50 0.88 68
GU.LSD.HHZ. 2024-05-20T05:24:23.70 0.6 undecidable manual P 212 95.3379 50 -0.17 43
CH.BNALP.HHZ. 2024-05-20T05:24:22.95 0.1 positive manual P 33 90.0432 50 -0.11 88
GU.TRAV.HHZ. 2024-05-20T05:24:20.97 0.6 positive manual P 182 75.1692 50 0.19 44
IV.MRGE.HHZ. 2024-05-20T05:24:20.05 0.3 undecidable manual P 230 72.5718 50 -0.33 65
CH.FUSIO.HHZ. 2024-05-20T05:24:20.31 0.6 positive manual P 66 73.5708 50 -0.21 44
GU.CIRO.HHZ. 2024-05-20T05:24:19.36 0.6 positive manual P 194 67.2771 50 -0.2 45
GU.SATI.HHZ. 2024-05-20T05:24:19.32 0.6 undecidable manual S 169 35.4423 50 -0.42 45
IV.ORO.EHZ. 2024-05-20T05:24:19.54 0.1 undecidable manual P 166 64.2912 50 0.45 86
CH.MMK.HHZ. 2024-05-20T05:24:15.18 0.6 undecidable manual S 138 20.7681 117 -0.58 44
GU.SATI.HHZ. 2024-05-20T05:24:14.69 1.0 undecidable manual P 169 35.4423 50 0.04 25
CH.MMK.HHZ. 2024-05-20T05:24:12.45 0.1 positive manual P 138 20.7681 117 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
CH.MMK.HHN. ML:1.2 0.0001034 0.12 AML other m 2024-05-20T05:24:15.28
CH.MMK.HHE. ML:1.1 0.00008985 0.14 AML other m 2024-05-20T05:24:15.28
GU.SATI.HHN. ML:1.7 0.000193 1.4 AML other m 2024-05-20T05:24:19.07
GU.SATI.HNN. ML:1.7 0.0002115 1.38 AML other m 2024-05-20T05:24:19.08
GU.SATI.HHE. ML:1.8 0.000251 1.38 AML other m 2024-05-20T05:24:19.18
GU.SATI.HNE. ML:1.8 0.000255 0.52 AML other m 2024-05-20T05:24:20.18
IV.ORO.EHN. ML:2.2 0.00028500000000000004 0.3 AML other m 2024-05-20T05:24:31.50
IV.ORO.EHE. ML:2.2 0.00027400000000000005 0.3 AML other m 2024-05-20T05:24:31.56
CH.FUSIO.HHE. ML:1.5 0.00004415 0.22 AML other m 2024-05-20T05:24:32.40
IV.MRGE.HHN. ML:1.8 0.00011249999999999998 0.26 AML other m 2024-05-20T05:24:32.31
CH.FUSIO.HHN. ML:1.3 0.0000321 0.56 AML other m 2024-05-20T05:24:32.73
IV.MRGE.HHE. ML:1.9 0.00013450000000000002 0.66 AML other m 2024-05-20T05:24:32.26
CH.MUGIO.HHN. ML:1.6 0.0000346 0.1 AML other m 2024-05-20T05:24:38.61
CH.MUGIO.HHE. ML:1.3 0.00001935 0.1 AML other m 2024-05-20T05:24:38.54
GU.LSD.HHE. ML:1.7 0.00004915 0.28 AML other m 2024-05-20T05:24:39.08
GU.LSD.HHN. ML:1.4 0.000030449999999999998 0.46 AML other m 2024-05-20T05:24:40.37
CH.BNALP.HHE. ML:1.5 0.000035799999999999996 0.66 AML other m 2024-05-20T05:24:41.03
CH.BNALP.HHN. ML:1.4 0.00003165 0.28 AML other m 2024-05-20T05:24:41.14
GU.RSP.HHN. ML:1.4 0.0000184 0.36 AML other m 2024-05-20T05:24:46.07
GU.RSP.HHE. ML:1.3 0.00001635 1.32 AML other m 2024-05-20T05:24:47.99
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