Earthquake with magnitude of ML 1.1 on date 05-08-2023 and time 15:27:52 (UTC) in region 7 km E Valfurva (SO)

A magnitude ML 1.1 earthquake occured in region: 7 km E Valfurva (SO), on

  • 05-08-2023 15:27:52 (UTC)
  • 05-08-2023 17:27:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.4820, 10.5020 at 9 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
Valfurva SO 7 2638 2638
Bormio SO 10 4121 6759
Valdisotto SO 12 3556 10315
Stelvio BZ 14 1161 11476
Valdidentro SO 16 4125 15601
Prato allo Stelvio BZ 17 3474 19075
Tubre BZ 19 977 20052

Municipalities with at least 50000 inhabitants

An earthquake occurred to
66 Km W of Bolzano (106441 inhabitants)
66 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 1.1 2023-08-05
15:27:52
46.4815 10.5018 9 2023-08-05
15:36:56
Sala Sismica INGV-Roma 119883681
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-05 15:27:52 ± 0.11
Latitude 46.4815 ± 0.0081
Longitude 10.5018 ± 0.0091
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119883681

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 893
Semi-minor axis of confidence ellipse (meter) 620
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 12
Circular confidence region, given by single value of horizontal uncertainty (meter) 890.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 18
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) 0.75993
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 21
Type of magnitude ML
Reference to an origin 119883681
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-05 15:36:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CTI.HHZ. 2023-08-05T15:28:11.22 3.0 undecidable manual P 0.73 0
ST.GAGG.HHZ. 2023-08-05T15:28:09.92 0.6 undecidable manual S 141 56.3991 50 -0.81 38
ST.ZIAN.EHZ. 2023-08-05T15:28:08.10 0.3 undecidable manual P 105 84.3489 50 0.66 57
SI.LUSI.HHZ. 2023-08-05T15:28:06.02 0.6 undecidable manual P 149 67.0773 50 1.24 30
SI.ABSI.HHZ. 2023-08-05T15:28:04.75 0.6 undecidable manual P 66 68.1762 50 -0.19 45
ST.GAGG.HHZ. 2023-08-05T15:28:03.37 0.6 undecidable manual P 141 56.3991 50 0.25 45
CH.DAVOX.HHZ. 2023-08-05T15:28:03.49 0.3 undecidable manual P 305 57.8976 50 0.14 69
ST.RONC.EHZ. 2023-08-05T15:28:03.17 0.6 positive manual P 170 56.3991 50 0.04 47
IV.MABI.HHZ. 2023-08-05T15:28:01.58 0.6 undecidable manual P 179 47.3193 50 -0.16 47
CH.FUORN.HHZ. 2023-08-05T15:28:00.95 0.3 undecidable manual S 310 23.8539 110 -0.6 66
ST.OZOL.EHZ. 2023-08-05T15:28:00.81 0.1 undecidable manual P 101 42.9237 50 -0.24 93
CH.BERNI.HHZ. 2023-08-05T15:27:59.91 0.1 undecidable manual P 259 37.3293 50 -0.28 93
SI.MOSI.HHZ. 2023-08-05T15:27:58.82 0.3 undecidable manual S 14 15.3735 120 -0.07 76
ST.CARE.HNZ. 2023-08-05T15:27:58.52 0.3 undecidable manual S 113 15.9729 119 -0.55 68
IV.BRMO.HHE. 2023-08-05T15:27:57.33 0.3 undecidable manual S 267 9.879 132 -0.01 77
CH.FUORN.HHZ. 2023-08-05T15:27:57.76 0.1 undecidable manual P 310 23.8539 110 -0.06 100
ST.CARE.HNZ. 2023-08-05T15:27:56.50 0.1 undecidable manual P 113 15.9729 119 0.11 100
SI.MOSI.HHZ. 2023-08-05T15:27:56.66 0.1 positive manual P 14 15.3735 120 0.38 95
IV.BRMO.HHE. 2023-08-05T15:27:55.81 0.1 undecidable manual P 267 9.879 132 0.42 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
SI.MOSI.HHE. ML:1.4 0.0002347038 0.1792 AML other m 2023-08-05T15:27:58.99
SI.MOSI.HHN. ML:1.3 0.00021221205 0.2176 AML other m 2023-08-05T15:28:00.12
CH.BERNI.HHN. ML:0.7 0.000017799595 0.0768 AML other m 2023-08-05T15:28:05.96
CH.BERNI.HHE. ML:0.9 0.000031214245 0.0896 AML other m 2023-08-05T15:28:06.15
IV.MABI.HHN. ML:1.1 0.000034049999999999994 1.14 AML other m 2023-08-05T15:28:07.41
IV.MABI.HHE. ML:1.2 0.000037704210000000005 0.0512 AML other m 2023-08-05T15:28:06.93
ST.OZOL.EHE. ML:1.0 0.0000287127 0.192 AML other m 2023-08-05T15:28:07.46
ST.OZOL.EHN. ML:1.0 0.000031054055 0.2816 AML other m 2023-08-05T15:28:06.60
ST.RONC.EHE. ML:1.4 0.00005535427 0.1408 AML other m 2023-08-05T15:28:11.21
ST.RONC.EHN. ML:1.5 0.000069494785 0.2432 AML other m 2023-08-05T15:28:10.32
ST.GAGG.HHE. ML:1.0 0.000022732799999999997 1.3824 AML other m 2023-08-05T15:28:10.26
ST.GAGG.HHN. ML:0.8 0.00001351331 0.3072 AML other m 2023-08-05T15:28:10.86
CH.DAVOX.HHE. ML:1.5 0.0000767756 0.2048 AML other m 2023-08-05T15:28:11.42
CH.DAVOX.HHN. ML:1.3 0.000041572043000000005 0.3584 AML other m 2023-08-05T15:28:13.15
SI.ABSI.HHE. ML:1.2 0.000027582515000000003 0.1536 AML other m 2023-08-05T15:28:14.62
SI.ABSI.HHN. ML:1.2 0.000025580930000000003 0.3328 AML other m 2023-08-05T15:28:15.28
SI.LUSI.HHE. ML:0.9 0.00001414342 0.3328 AML other m 2023-08-05T15:28:13.47
SI.LUSI.HHN. ML:0.9 0.000016567294 0.1792 AML other m 2023-08-05T15:28:13.93
ST.ZIAN.EHE. ML:0.9 0.00001169269 0.2944 AML other m 2023-08-05T15:28:19.76
ST.ZIAN.EHN. ML:1.1 0.000015177544999999996 0.7808 AML other m 2023-08-05T15:28:17.49
ST.ZIAN.HNE. ML:1.8 0.00008180556 0.704 AML other m 2023-08-05T15:28:21.26
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download