Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.6 on date 19-07-2020 and time 14:48:30 (Italy) in region 4 km SW Valdisotto (SO)

A magnitude ML 0.6 earthquake occured in region: 4 km SW Valdisotto (SO), on

  • 19-07-2020 12:48:30 (UTC)
  • 19-07-2020 14:48:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.4060, 10.3300 at 9 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Valdisotto SO 4 3556 3556
Bormio SO 8 4121 7677
Sondalo SO 8 4136 11813
Valfurva SO 9 2638 14451
Valdidentro SO 10 4125 18576
Grosio SO 13 4443 23019
Grosotto SO 15 1622 24641
Mazzo di Valtellina SO 18 1022 25663
Vervio SO 18 217 25880
Tovo di Sant'Agata SO 19 628 26508
Vezza d'Oglio BS 19 1457 27965
Vione BS 20 691 28656

Municipalities with at least 50000 inhabitants

An earthquake occurred to
72 Km NW of Trento (117317 inhabitants)
79 Km W of Bolzano (106441 inhabitants)
94 Km NE of Bergamo (119381 inhabitants)
97 Km N of Brescia (196480 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 0.6 2020-07-19
12:48:30		 46.4062 10.3303 9 2020-11-19
12:36:54		 Bollettino Sismico Italiano INGV 81279241
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-19 12:48:30 ± 0.24
Latitude 46.4062 ± 0.0189
Longitude 10.3303 ± 0.0157
Depth (km) 9 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 81279241

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1899
Semi-minor axis of confidence ellipse (meter) 1209
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 354
Circular confidence region, given by single value of horizontal uncertainty (meter) 1900.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 112
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.58
Epicentral distance of station closest to the epicenter (degree) 0.07554
Epicentral distance of station farthest from the epicenter (degree) 0.37322
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 81279241
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-07-23 14:16:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MABI.HHZ. 2020-07-19T12:48:43.04 0.3 undecidable manual S 160 41.4252 50 -0.98 55
SI.MOSI.HHZ. 2020-07-19T12:48:40.07 0.3 undecidable manual S 36 28.749 108 -0.5 69
IV.MABI.HHZ. 2020-07-19T12:48:39.03 0.1 undecidable manual P 160 41.4252 50 0.89 77
ST.CARE.EHZ. 2020-07-19T12:48:39.52 0.3 undecidable manual S 86 27.9498 108 -0.8 61
CH.FUORN.HHZ. 2020-07-19T12:48:38.60 0.3 undecidable manual S 348 24.2535 111 -0.53 69
CH.BERNI.HHZ. 2020-07-19T12:48:38.11 0.3 undecidable manual S 272 23.5542 112 -0.77 63
SI.MOSI.HHZ. 2020-07-19T12:48:36.48 0.1 undecidable manual P 36 28.749 108 0.33 95
ST.CARE.EHZ. 2020-07-19T12:48:36.16 0.1 undecidable manual P 86 27.9498 108 0.16 99
CH.BERNI.HHZ. 2020-07-19T12:48:35.32 0.1 undecidable manual P 272 23.5542 112 0.15 100
CH.FUORN.HHZ. 2020-07-19T12:48:35.60 0.1 undecidable manual P 348 24.2535 111 0.29 97
IV.BRMO.HHZ. 2020-07-19T12:48:34.54 0.3 undecidable manual S 22 8.3805 138 0.09 78
IV.BRMO.HHZ. 2020-07-19T12:48:33.25 0.1 undecidable manual P 22 8.3805 138 0.64 90
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BRMO.HHE. ML:0.7 0.00006759999999999999 0.08 AML other m 2020-07-19T12:48:34.70
IV.BRMO.HHN. ML:0.8 0.0000828 0.32 AML other m 2020-07-19T12:48:34.86
CH.BERNI.HHN. ML:0.5 0.0000207 0.24 AML other m 2020-07-19T12:48:38.77
CH.BERNI.HHE. ML:0.4 0.00001546332 0.0704 AML other m 2020-07-19T12:48:39.55
CH.FUORN.HHE. ML:-0.1 0.0000067429273 0.1344 AML other m 2020-07-19T12:48:38.92
CH.FUORN.HHN. ML:-0.1 0.0000065949675 0.1792 AML other m 2020-07-19T12:48:40.90
ST.CARE.EHE. ML:0.7 0.000025976956999999998 0.1984 AML other m 2020-07-19T12:48:39.78
ST.CARE.EHN. ML:0.8 0.000031831275 0.9984 AML other m 2020-07-19T12:48:39.78
SI.MOSI.HHN. ML:0.8 0.000032391445000000006 0.256 AML other m 2020-07-19T12:48:41.56
SI.MOSI.HHE. ML:0.8 0.000029854345 0.2624 AML other m 2020-07-19T12:48:41.05
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