Earthquake with magnitude of ML 1.3 on date 23-11-2023 and time 21:02:51 (UTC) in region 5 km SE Grosio (SO)

A magnitude ML 1.3 earthquake occured in region: 5 km SE Grosio (SO), on

  • 23-11-2023 21:02:51 (UTC)
  • 23-11-2023 22:02:51 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.2760, 10.3300 at 11 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
Grosio SO 5 4443 4443
Grosotto SO 6 1622 6065
Mazzo di Valtellina SO 6 1022 7087
Incudine BS 6 385 7472
Sondalo SO 6 4136 11608
Vezza d'Oglio BS 7 1457 13065
Monno BS 7 555 13620
Tovo di Sant'Agata SO 7 628 14248
Vervio SO 7 217 14465
Lovero SO 9 661 15126
Vione BS 10 691 15817
Edolo BS 11 4572 20389
Sernio SO 11 486 20875
Temù BS 11 1105 21980
Sonico BS 13 1264 23244
Tirano SO 14 9130 32374
Corteno Golgi BS 14 1976 34350
Ponte di Legno BS 14 1729 36079
Villa di Tirano SO 17 3000 39079
Malonno BS 17 3261 42340
Valdisotto SO 18 3556 45896
Aprica SO 19 1588 47484
Bianzone SO 20 1285 48769

Municipalities with at least 50000 inhabitants

An earthquake occurred to
65 Km W of Trento (117317 inhabitants)
82 Km N of Brescia (196480 inhabitants)
82 Km NE of Bergamo (119381 inhabitants)
83 Km W of Bolzano (106441 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 1.3 2023-11-23
21:02:51
46.2757 10.33 11 2023-11-23
21:12:42
Sala Sismica INGV-Roma 123374481
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-11-23 21:02:51 ± 0.1
Latitude 46.2757 ± 0.0036
Longitude 10.3300 ± 0.0039
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123374481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 396
Semi-minor axis of confidence ellipse (meter) 180
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 200
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 67
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.70507
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 14
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 123374481
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-11-23 21:12:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.BURY.HHZ. 2023-11-23T21:04:32.56 3.0 undecidable manual Sg 5.21 0
IV.APEC.HHZ. 2023-11-23T21:04:29.32 3.0 undecidable manual Sg 4.25 0
IV.SFI.EHZ. 2023-11-23T21:03:34.40 3.0 negative manual Pn -3.8 0
OX.MPRI.HHZ. 2023-11-23T21:03:30.83 3.0 undecidable manual Pg 4.79 0
IV.APPI.EHZ. 2023-11-23T21:03:13.49 0.3 undecidable manual S 72 72.372 90 -0.16 68
CH.DAVOX.HHZ. 2023-11-23T21:03:11.82 0.6 undecidable manual S 329 65.6898 90 -0.07 46
IV.MAGA.HHZ. 2023-11-23T21:03:10.32 0.6 undecidable manual S 157 60.0954 90 -0.06 46
ST.ZIAN.EHZ. 2023-11-23T21:03:09.47 3.0 positive manual P -1.67 0
ST.OZOL.EHZ. 2023-11-23T21:03:09.56 0.6 undecidable manual S 75 57.0984 90 -0.02 48
ST.GAGG.HHZ. 2023-11-23T21:03:08.33 0.6 undecidable manual S 114 52.8027 90 -0.11 47
SI.MOSI.HHZ. 2023-11-23T21:03:05.34 0.6 undecidable manual S 24 41.3253 90 -0.05 49
IV.APPI.EHZ. 2023-11-23T21:03:05.10 0.1 undecidable manual P 72 72.372 90 0.64 80
MN.TUE.HHZ. 2023-11-23T21:03:05.77 1.0 undecidable manual P 287 78.2661 90 0.4 22
ST.RONC.EHZ. 2023-11-23T21:03:04.05 0.6 undecidable manual S 145 39.7269 90 -0.91 37
IV.MDI.HHZ. 2023-11-23T21:03:04.78 0.6 positive manual P 220 73.371 90 0.16 46
CH.FUORN.HHZ. 2023-11-23T21:03:04.25 0.3 undecidable manual S 352 38.5281 90 -0.4 68
CH.DAVOX.HHZ. 2023-11-23T21:03:03.94 0.6 undecidable manual P 329 65.6898 90 0.5 43
ST.OZOL.EHZ. 2023-11-23T21:03:02.64 0.6 negative manual P 75 57.0984 90 0.53 43
IV.MAGA.HHZ. 2023-11-23T21:03:02.88 1.0 undecidable manual P 157 60.0954 90 0.32 23
ST.CARE.EHZ. 2023-11-23T21:03:02.71 0.6 undecidable manual S 59 32.4453 90 -0.31 47
ST.GAGG.HHZ. 2023-11-23T21:03:01.69 1.0 negative manual P 114 52.8027 90 0.24 23
IV.MABI.HHZ. 2023-11-23T21:03:00.40 3.0 undecidable manual S 150 28.2495 90 -1.49 0
CH.BERNI.HHZ. 2023-11-23T21:03:00.71 3.0 undecidable manual S 303 28.0497 90 -1.12 0
ST.RONC.EHZ. 2023-11-23T21:02:59.48 1.0 positive manual P 145 39.7269 90 0.04 25
CH.FUORN.HHZ. 2023-11-23T21:02:59.42 0.1 undecidable manual P 352 38.5281 90 0.17 97
SI.MOSI.HHZ. 2023-11-23T21:02:59.97 0.3 positive manual P 24 41.3253 90 0.28 70
IV.BRMO.HHZ. 2023-11-23T21:02:59.82 0.6 undecidable manual S 8 22.4553 91 -0.53 45
ST.CARE.EHZ. 2023-11-23T21:02:58.48 0.6 positive manual P 59 32.4453 90 0.16 49
CH.BERNI.HHZ. 2023-11-23T21:02:57.31 1.0 undecidable manual P 303 28.0497 90 -0.32 23
IV.MABI.HHZ. 2023-11-23T21:02:57.35 0.6 undecidable manual P 150 28.2495 90 -0.31 47
IV.BRMO.HHZ. 2023-11-23T21:02:56.92 0.1 undecidable manual P 8 22.4553 91 0.15 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MABI.HHE. ML:1.1 0.00006805 0.12 AML other m 2023-11-23T21:03:00.62
IV.MABI.HHN. ML:1.1 0.00007055000000000001 0.8 AML other m 2023-11-23T21:03:00.52
SI.MOSI.HHE. ML:1.2 0.000052449999999999994 0.94 AML other m 2023-11-23T21:03:05.45
SI.MOSI.HHN. ML:1.3 0.00006235 0.66 AML other m 2023-11-23T21:03:06.21
ST.ZIAN.EHE. ML:1.3 0.000021 0.52 AML other m 2023-11-23T21:03:11.45
ST.ZIAN.EHN. ML:1.3 0.000019000000000000004 0.42 AML other m 2023-11-23T21:03:11.03
MN.TUE.HNN. ML:1.3 0.00002995 0.46 AML other m 2023-11-23T21:03:16.31
MN.TUE.HNE. ML:1.4 0.0000327 0.52 AML other m 2023-11-23T21:03:33.19
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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