Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 22-07-2021 and time 01:31:08 (UTC) in region 11 km NW Sella Giudicarie (TN)

A magnitude ML 1.0 earthquake occured in region: 11 km NW Sella Giudicarie (TN), on

  • 22-07-2021 01:31:08 (UTC)
  • 22-07-2021 03:31:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.0470, 10.5560 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
Sella Giudicarie TN 11 2943 2943
Valdaone TN 12 1205 4148
Saviore dell'Adamello BS 13 916 5064
Porte di Rendena TN 13 1796 6860
Tione di Trento TN 13 3635 10495
Pieve di Bono-Prezzo TN 14 1474 11969
Pelugo TN 14 392 12361
Borgo Lares TN 14 698 13059
Paspardo BS 14 614 13673
Cevo BS 15 898 14571
Cimbergo BS 15 551 15122
Castel Condino TN 15 229 15351
Spiazzo TN 15 1265 16616
Cedegolo BS 16 1223 17839
Ceto BS 16 1912 19751
Capo di Ponte BS 17 2440 22191
Sellero BS 17 1466 23657
Strembo TN 17 558 24215
Tre Ville TN 17 1463 25678
Braone BS 18 683 26361
Borgo Chiese TN 18 2029 28390
Bocenago TN 18 389 28779
Ono San Pietro BS 18 994 29773
Berzo Demo BS 18 1671 31444
Caderzone Terme TN 18 661 32105
Cerveno BS 18 660 32765
Niardo BS 19 1978 34743
Losine BS 20 608 35351
Massimeno TN 20 127 35478

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km W of Trento (117317 inhabitants)
62 Km NE of Brescia (196480 inhabitants)
76 Km NW of Verona (258765 inhabitants)
79 Km E of Bergamo (119381 inhabitants)
80 Km SW of Bolzano (106441 inhabitants)
95 Km NW of Vicenza (112953 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 1.0 2021-07-22
01:31:08		 46.0468 10.556 9 2021-12-29
11:12:34		 Bollettino Sismico Italiano INGV 96205661
Reviewed
Rev100 		ML 1.3 2021-07-22
01:31:08		 46.0378 10.5625 10 2021-07-22
01:37:29		 Sala Sismica INGV-Roma 93043861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-07-22 01:31:08 ± 0.1
Latitude 46.0468 ± 0.0054
Longitude 10.5560 ± 0.0104
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 96205661

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 751
Semi-minor axis of confidence ellipse (meter) 636
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 255
Circular confidence region, given by single value of horizontal uncertainty (meter) 750.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 60
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.03058
Epicentral distance of station farthest from the epicenter (degree) 0.60794
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 96205661
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-11-16 15:09:25

ML:1.3

Field Value
Value 1.3
Uncertainty 0.4
Num. used stations 8
Type of magnitude ML
Reference to an origin 93043861
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-07-22 01:37:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CH.FUORN.HHN. 2021-07-22T01:31:28.58 1.0 undecidable manual S 341 67.4769 50 -0.4 22
ST.OZOL.HNZ. 2021-07-22T01:31:25.97 0.6 undecidable manual S 44 54.9006 50 0.34 45
IV.BRMO.HHN. 2021-07-22T01:31:23.57 0.6 undecidable manual S 344 49.617 50 -0.66 41
IV.ZONE.HHZ. 2021-07-22T01:31:22.85 0.6 undecidable manual S 227 46.2204 50 -0.46 44
ST.VARA.HNZ. 2021-07-22T01:31:20.68 0.6 undecidable manual S 133 35.9418 50 0.12 48
CH.FUORN.HHN. 2021-07-22T01:31:20.94 1.0 undecidable manual P 341 67.4769 50 0.76 19
SI.LUSI.HHZ. 2021-07-22T01:31:18.77 0.6 undecidable manual S 108 31.4463 50 -0.59 44
ST.GAGG.HHZ. 2021-07-22T01:31:18.86 0.6 undecidable manual S 82 31.2465 50 -0.46 45
ST.OZOL.HNZ. 2021-07-22T01:31:18.44 1.0 undecidable manual P 44 54.9006 50 0.19 23
IV.MAGA.HHZ. 2021-07-22T01:31:18.68 0.6 undecidable manual S 169 30.6471 50 -0.48 45
IV.ZONE.HHZ. 2021-07-22T01:31:17.35 0.3 undecidable manual P 227 46.2204 50 0.44 67
IV.BRMO.HHN. 2021-07-22T01:31:17.85 0.6 undecidable manual P 344 49.617 50 0.41 44
IV.BAG8.EHZ. 2021-07-22T01:31:17.42 0.6 undecidable manual S 196 25.8519 110 -0.26 48
ST.VARA.HNZ. 2021-07-22T01:31:15.36 0.3 undecidable manual P 133 35.9418 50 0.04 74
ST.GAGG.HHZ. 2021-07-22T01:31:14.74 0.3 undecidable manual P 82 31.2465 50 0.14 73
SI.LUSI.HHZ. 2021-07-22T01:31:14.61 0.3 undecidable manual P 108 31.4463 50 -0.01 75
IV.MAGA.HHZ. 2021-07-22T01:31:14.73 0.3 undecidable manual P 169 30.6471 50 0.22 72
IV.BAG8.EHZ. 2021-07-22T01:31:14.06 0.3 undecidable manual P 196 25.8519 110 0.41 70
ST.RONC.EHZ. 2021-07-22T01:31:12.47 0.3 undecidable manual S 145 8.9799 136 -0.21 75
IV.MABI.HHZ. 2021-07-22T01:31:11.07 0.1 undecidable manual S 285 3.3966 160 -0.55 93
ST.RONC.EHZ. 2021-07-22T01:31:11.26 0.3 undecidable manual P 145 8.9799 136 0.5 70
IV.MABI.HHZ. 2021-07-22T01:31:10.39 0.1 undecidable manual P 285 3.3966 160 0.23 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
ST.RONC.HNE. ML:1.6 0.000592 0.76 AML other m 2021-07-22T01:31:12.37
ST.RONC.EHN. ML:1.9 0.0011400000000000002 0.16 AML other m 2021-07-22T01:31:12.79
ST.GAGG.HHE. ML:0.6 0.000021527650000000004 1.08 AML other m 2021-07-22T01:31:19.70
IV.MAGA.HHN. ML:0.8 0.000027551400000000005 0.76 AML other m 2021-07-22T01:31:19.44
ST.GAGG.HHN. ML:0.7 0.000022644205 1.4 AML other m 2021-07-22T01:31:19.14
IV.ZONE.HHE. ML:0.9 0.000023685045 0.54 AML other m 2021-07-22T01:31:23.73
IV.ZONE.HHN. ML:1.1 0.00004209218 0.58 AML other m 2021-07-22T01:31:24.11
IV.MAGA.HHE. ML:0.9 0.000037099999999999994 0.42 AML other m 2021-07-22T01:31:24.21
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