Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 16-06-2021 and time 16:49:26 (UTC) in region Svizzera (SVIZZERA)

A magnitude ML 1.4 earthquake occured in region: Svizzera (SVIZZERA), on

  • 16-06-2021 16:49:26 (UTC)
  • 16-06-2021 18:49:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.6200, 8.9680 at 8 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 N of Varese (80799 inhabitants)
90 Km N of Como (84495 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 1.4 2021-06-16
16:49:26		 46.6198 8.9678 8 2021-06-16
16:55:42		 Sala Sismica INGV-Roma 91407571
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-16 16:49:26 ± 0.25
Latitude 46.6198 ± 0.0126
Longitude 8.9678 ± 0.0118
Depth (km) 8 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 91407571

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1099
Semi-minor axis of confidence ellipse (meter) 918
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 187
Circular confidence region, given by single value of horizontal uncertainty (meter) 1100.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 89
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.52
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.88943
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 91407571
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-06-16 16:55:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NDIM.HHZ. 2021-06-16T16:50:08.32 3.0 negative manual Pg 4.73 0
CH.FUORN.HHE. 2021-06-16T16:49:56.05 0.1 undecidable manual S 89 98.7234 50 -0.05 90
CH.MUGIO.HHZ. 2021-06-16T16:49:49.93 0.1 undecidable manual S 176 77.6667 50 -0.55 84
CH.DAVOX.HHZ. 2021-06-16T16:49:48.74 0.1 undecidable manual S 75 71.5728 50 -0.13 94
CH.PLONS.HHZ. 2021-06-16T16:49:44.37 0.1 undecidable manual S 33 56.9985 50 -0.6 86
CH.FUORN.HHE. 2021-06-16T16:49:44.32 0.1 undecidable manual P 89 98.7234 50 0.69 76
CH.BNALP.HHZ. 2021-06-16T16:49:42.45 0.1 undecidable manual S 304 49.7169 50 -0.59 87
IV.VARE.HHZ. 2021-06-16T16:49:42.36 0.1 undecidable manual P 190 84.8484 50 0.87 73
CH.BERNI.HHZ. 2021-06-16T16:49:41.59 0.1 undecidable manual P 105 83.7495 50 0.27 89
CH.DAVOX.HHZ. 2021-06-16T16:49:40.35 0.3 negative manual P 75 71.5728 50 0.9 55
CH.MUGIO.HHZ. 2021-06-16T16:49:40.98 1.0 positive manual P 176 77.6667 50 0.6 21
MN.TUE.HHZ. 2021-06-16T16:49:37.47 0.1 undecidable manual S 119 33.2445 103 -0.99 76
CH.PLONS.HHZ. 2021-06-16T16:49:37.36 0.6 positive manual P 33 56.9985 50 0.15 48
CH.BNALP.HHZ. 2021-06-16T16:49:36.41 0.3 negative manual P 304 49.7169 50 0.32 70
CH.FUSIO.HHZ. 2021-06-16T16:49:36.77 0.1 undecidable manual S 232 29.5482 105 -0.45 95
CH.FUSIO.HHZ. 2021-06-16T16:49:33.10 0.1 positive manual P 232 29.5482 105 0.37 96
MN.TUE.HHZ. 2021-06-16T16:49:33.60 0.1 negative manual P 119 33.2445 103 0.16 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
CH.FUSIO.HHN. ML:1.9 0.000429 0.14 AML other m 2021-06-16T16:49:36.80
CH.FUSIO.HHE. ML:1.6 0.0001995 1.48 AML other m 2021-06-16T16:49:36.97
MN.TUE.HHE. ML:1.3 0.0000789 0.2 AML other m 2021-06-16T16:49:37.54
MN.TUE.HNE. ML:1.3 0.0000812 0.2 AML other m 2021-06-16T16:49:37.54
MN.TUE.HHN. ML:1.2 0.00007175000000000001 0.94 AML other m 2021-06-16T16:49:38.55
MN.TUE.HNN. ML:1.2 0.00007605 0.94 AML other m 2021-06-16T16:49:38.08
CH.BNALP.HHE. ML:1.2 0.0000459 0.3 AML other m 2021-06-16T16:49:42.73
CH.BNALP.HHN. ML:1.2 0.0000382 0.52 AML other m 2021-06-16T16:49:42.59
CH.PLONS.HHE. ML:1.1 0.0000311 0.34 AML other m 2021-06-16T16:49:44.53
CH.PLONS.HHN. ML:1.0 0.000027400000000000002 0.36 AML other m 2021-06-16T16:49:44.54
CH.DAVOX.HHN. ML:1.8 0.00010284999999999999 1.62 AML other m 2021-06-16T16:49:49.86
CH.DAVOX.HHE. ML:1.6 0.00007065000000000001 0.7 AML other m 2021-06-16T16:49:50.77
CH.MUGIO.HHE. ML:1.7 0.00006925 0.24 AML other m 2021-06-16T16:49:50.58
CH.MUGIO.HHN. ML:1.5 0.000047 0.2 AML other m 2021-06-16T16:49:50.82
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