Earthquake with magnitude of ML 1.2 on date 17-08-2022 and time 00:51:53 (Italy) in region Confine Italia Svizzera (SVIZZERA)

A magnitude ML 1.2 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on

  • 16-08-2022 22:51:53 (UTC)
  • 17-08-2022 00:51:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.0750, 7.5910 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 1.2 2022-08-16
22:51:53
46.0748 7.5913 8 2023-01-31
19:03:50
Bollettino Sismico Italiano INGV 110513821
Reviewed
Rev100
ML 1.2 2022-08-16
22:51:53
46.1052 7.5898 11 2022-08-16
22:58:02
Sala Sismica INGV-Roma 108628981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-08-16 22:51:53 ± 0.09
Latitude 46.0748 ± 0.0054
Longitude 7.5913 ± 0.0052
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 110513821

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 551
Semi-minor axis of confidence ellipse (meter) 315
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 358
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 99
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.12680
Epicentral distance of station farthest from the epicenter (degree) 1.02343
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 108628981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-08-16 22:58:02

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 110513821
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-10-05 08:50:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CH.FUSIO.HHZ. 2022-08-16T22:52:21.54 0.3 undecidable manual S 62 92.3409 50 0.04 68
GU.LSD.HHZ. 2022-08-16T22:52:17.07 0.3 undecidable manual S 208 76.8675 50 -0.29 67
CH.GIMEL.HHZ. 2022-08-16T22:52:13.22 0.1 undecidable manual P 297 113.5974 50 0.15 85
CH.BNALP.HHE. 2022-08-16T22:52:12.14 0.1 undecidable manual P 36 108.8133 50 -0.18 85
GU.CIRO.HHE. 2022-08-16T22:52:11.03 0.3 undecidable manual S 182 52.503 50 0.18 72
CH.FUSIO.HHZ. 2022-08-16T22:52:10.03 0.3 undecidable manual P 62 92.3409 50 0.24 65
IV.MRGE.HHZ. 2022-08-16T22:52:10.44 0.3 undecidable manual S 231 53.1024 50 -0.58 65
GU.REMY.HHE. 2022-08-16T22:52:08.00 0.3 undecidable manual S 232 42.624 50 -0.22 72
GU.LSD.HHZ. 2022-08-16T22:52:07.70 0.1 undecidable manual P 208 76.8675 50 0.3 89
GU.SATI.HHZ. 2022-08-16T22:52:04.85 0.3 undecidable manual S 136 30.747 105 0 77
IV.MRGE.HHZ. 2022-08-16T22:52:03.84 0.3 undecidable manual P 231 53.1024 50 0.11 73
GU.CIRO.HHE. 2022-08-16T22:52:03.89 0.3 undecidable manual P 182 52.503 50 0.25 71
CH.MMK.HHN. 2022-08-16T22:52:03.79 0.3 undecidable manual S 95 28.8489 106 -0.41 71
GU.REMY.HHE. 2022-08-16T22:52:02.16 0.1 undecidable manual P 232 42.624 50 0.04 100
GU.SATI.HHZ. 2022-08-16T22:52:00.58 0.3 undecidable manual P 136 30.747 105 0.4 71
CH.DIX.HHZ. 2022-08-16T22:51:59.23 0.3 undecidable manual S 272 14.0748 121 -0.26 75
CH.MMK.HHN. 2022-08-16T22:51:59.55 0.1 undecidable manual P 95 28.8489 106 -0.25 98
CH.DIX.HHZ. 2022-08-16T22:51:57.36 0.1 positive manual P 272 14.0748 121 0.28 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
CH.DIX.HHN. ML:1.6 0.00041700000000000005 0.24 AML other m 2022-08-16T22:51:59.50
CH.DIX.HHE. ML:1.3 0.00020250000000000002 0.22 AML other m 2022-08-16T22:51:59.63
GU.SATI.HHN. ML:1.3 0.00008765 0.74 AML other m 2022-08-16T22:52:05.12
GU.SATI.HHE. ML:1.2 0.00008299999999999998 0.12 AML other m 2022-08-16T22:52:05.65
IV.MRGE.HHN. ML:0.9 0.00002235 1.5 AML other m 2022-08-16T22:52:11.81
IV.MRGE.HHE. ML:0.8 0.000016550000000000002 1.1 AML other m 2022-08-16T22:52:12.28
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