Earthquake with magnitude of ML 1.2 on date 23-07-2021 and time 04:25:13 (Italy) in region Confine Italia Svizzera (SVIZZERA)

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

  • 23-07-2021 02:25:13 (UTC)
  • 23-07-2021 04:25:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.6260, 10.3550 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Tubre BZ 9 977 977
Stelvio BZ 15 1161 2138
Valdidentro SO 16 4125 6263
Glorenza BZ 16 896 7159
Malles Venosta BZ 16 5162 12321
Bormio SO 17 4121 16442
Prato allo Stelvio BZ 18 3474 19916
Sluderno BZ 18 1804 21720
Valfurva SO 19 2638 24358
Livigno SO 19 6389 30747

Municipalities with at least 50000 inhabitants

An earthquake occurred to
78 Km W of Bolzano (106441 inhabitants)
85 Km NW of Trento (117317 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 1.2 2021-07-23
02:25:13
46.6255 10.3548 10 2021-07-23
02:34:47
Sala Sismica INGV-Roma 93088511
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-07-23 02:25:13 ± 0.14
Latitude 46.6255 ± 0.0099
Longitude 10.3548 ± 0.0092
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 93088511

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1060
Semi-minor axis of confidence ellipse (meter) 643
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 10
Circular confidence region, given by single value of horizontal uncertainty (meter) 1060.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 145
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 24
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) 0.94069
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 15
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 93088511
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-07-23 02:34:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ORZI.HHZ. 2021-07-23T02:25:55.22 3.0 undecidable manual S 0.3 0
IV.MAGA.HHZ. 2021-07-23T02:25:42.43 0.6 undecidable manual S 167 96.6255 50 0.76 35
SI.ABSI.HHZ. 2021-07-23T02:25:35.08 0.6 undecidable manual S 81 74.37 50 -0.65 38
IV.MABI.HHZ. 2021-07-23T02:25:32.02 0.6 undecidable manual S 169 64.491 50 -1.06 33
IV.MAGA.HHZ. 2021-07-23T02:25:31.04 1.0 undecidable manual P 167 96.6255 50 1.46 12
ST.DOSS.HHE. 2021-07-23T02:25:31.46 1.0 undecidable manual P 142 104.4177 50 0.67 18
ST.ZIAN.EHZ. 2021-07-23T02:25:31.48 3.0 negative manual P 0.47 0
ST.OZOL.EHZ. 2021-07-23T02:25:30.73 0.6 undecidable manual S 115 58.5969 50 -0.79 37
SI.LUSI.HHZ. 2021-07-23T02:25:29.15 1.0 undecidable manual P 148 86.5467 50 1.12 15
SI.KOSI.HHE. 2021-07-23T02:25:27.38 0.1 undecidable manual P 103 80.0643 50 0.35 83
ST.GAGG.HHE. 2021-07-23T02:25:26.66 0.1 undecidable manual P 142 75.8685 50 0.28 85
SI.ABSI.HHZ. 2021-07-23T02:25:26.73 0.6 positive manual P 81 74.37 50 0.58 40
CH.DAVOX.HHZ. 2021-07-23T02:25:26.04 0.6 undecidable manual S 296 40.0266 50 -0.52 43
ST.RONC.EHZ. 2021-07-23T02:25:26.66 1.0 positive manual P 164 74.4699 50 0.5 20
IV.MABI.HHZ. 2021-07-23T02:25:25.04 0.6 undecidable manual P 169 64.491 50 0.42 42
CH.BERNI.HHZ. 2021-07-23T02:25:24.27 0.6 undecidable manual S 227 34.5432 50 -0.83 38
ST.OZOL.EHZ. 2021-07-23T02:25:23.99 1.0 positive manual P 115 58.5969 50 0.27 22
CH.DAVOX.HHZ. 2021-07-23T02:25:20.78 0.1 undecidable manual P 296 40.0266 50 -0.08 95
CH.BERNI.HHZ. 2021-07-23T02:25:20.08 0.6 negative manual P 227 34.5432 50 0.07 48
ST.CARE.EHZ. 2021-07-23T02:25:19.94 0.3 negative manual P 130 34.1436 50 -0.01 73
IV.BRMO.HHZ. 2021-07-23T02:25:19.20 0.6 undecidable manual S 175 16.5723 120 -0.5 45
SI.MOSI.HHZ. 2021-07-23T02:25:18.52 0.6 undecidable manual S 94 14.874 122 -0.66 43
CH.FUORN.HHZ. 2021-07-23T02:25:17.11 0.6 undecidable manual S 265 6.993 144 -0.03 51
SI.MOSI.HHZ. 2021-07-23T02:25:16.50 0.1 positive manual P 94 14.874 122 -0.09 99
IV.BRMO.HHZ. 2021-07-23T02:25:16.87 0.1 undecidable manual P 175 16.5723 120 -0.02 100
CH.FUORN.HHZ. 2021-07-23T02:25:15.71 0.1 negative manual P 265 6.993 144 0.29 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
CH.FUORN.HHE. ML:1.2 0.000222 0.3 AML other m 2021-07-23T02:25:17.21
CH.FUORN.HHN. ML:1.4 0.00041500000000000006 0.26 AML other m 2021-07-23T02:25:17.24
SI.MOSI.HHN. ML:1.3 0.00021450000000000004 0.24 AML other m 2021-07-23T02:25:19.36
IV.BRMO.HHE. ML:1.1 0.00011399999999999999 0.22 AML other m 2021-07-23T02:25:19.39
SI.MOSI.HHE. ML:1.4 0.00022999999999999998 0.26 AML other m 2021-07-23T02:25:19.24
IV.BRMO.HHN. ML:0.8 0.00005865 0.14 AML other m 2021-07-23T02:25:19.79
CH.BERNI.HHE. ML:0.7 0.0000178 0.34 AML other m 2021-07-23T02:25:25.68
CH.BERNI.HHN. ML:0.7 0.000020549999999999998 0.24 AML other m 2021-07-23T02:25:25.78
CH.DAVOX.HHE. ML:1.8 0.000195 1.12 AML other m 2021-07-23T02:25:26.09
CH.DAVOX.HHN. ML:1.7 0.00016099999999999998 0.32 AML other m 2021-07-23T02:25:26.73
IV.MABI.HHE. ML:0.9 0.0000161 0.5 AML other m 2021-07-23T02:25:33.39
IV.MABI.HHN. ML:1.0 0.0000206 0.56 AML other m 2021-07-23T02:25:33.57
SI.ABSI.HHN. ML:1.0 0.00001455 0.84 AML other m 2021-07-23T02:25:35.96
SI.ABSI.HHE. ML:1.1 0.000017599999999999998 0.3 AML other m 2021-07-23T02:25:36.24
IV.MAGA.HHN. ML:1.5 0.0000359 0.22 AML other m 2021-07-23T02:25:43.43
IV.MAGA.HHE. ML:1.7 0.000055249999999999994 1.38 AML other m 2021-07-23T02:25:45.84
ST.OZOL.EHE. ML:1.2 0.000030224697500000002 0.2384 AML other m 2021-07-23T02:25:32.35
ST.OZOL.EHN. ML:1.0 0.000020056625 0.2 AML other m 2021-07-23T02:25:31.30
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