Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 10-02-2021 and time 22:31:33 (Italy) in region 5 km E Brentonico (TN)

A magnitude ML 1.2 earthquake occured in region: 5 km E Brentonico (TN), on

  • 10-02-2021 21:31:33 (UTC)
  • 10-02-2021 22:31:33 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.8210, 11.0150 at 11 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Brentonico TN 5 4015 4015
Mori TN 5 9678 13693
Ala TN 7 8913 22606
Trambileno TN 7 1452 24058
Isera TN 8 2735 26793
Rovereto TN 8 39289 66082
Vallarsa TN 9 1395 67477
Ronzo-Chienis TN 9 976 68453
Nogaredo TN 10 2065 70518
Villa Lagarina TN 11 3778 74296
Avio TN 11 4133 78429
Volano TN 11 3169 81598
Pomarolo TN 12 2452 84050
Nago-Torbole TN 12 2867 86917
Terragnolo TN 13 716 87633
Nomi TN 13 1398 89031
Calliano TN 14 1807 90838
Arco TN 15 17526 108364
Riva del Garda TN 15 16926 125290
Besenello TN 16 2654 127944
Folgaria TN 16 3191 131135
Malcesine VR 17 3736 134871
Limone sul Garda BS 17 1181 136052
Dro TN 18 4944 140996
Drena TN 18 570 141566
Tenno TN 18 2069 143635
Cimone TN 18 728 144363
Aldeno TN 19 3059 147422
Posina VI 19 566 147988
Cavedine TN 20 2987 150975
Erbezzo VR 20 740 151715

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km SW of Trento (117317 inhabitants)
42 Km N of Verona (258765 inhabitants)
51 Km NW of Vicenza (112953 inhabitants)
69 Km E of Brescia (196480 inhabitants)
80 Km SW of Bolzano (106441 inhabitants)
81 Km NW of Padova (210401 inhabitants)
97 Km W of Treviso (83731 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 1.2 2021-02-10
21:31:33		 45.8207 11.0152 11 2021-07-12
16:55:06		 Bollettino Sismico Italiano INGV 89143271
Reviewed
Rev100 		ML 1.2 2021-02-10
21:31:33		 45.8168 11.0168 11 2021-02-10
21:37:16		 Sala Sismica INGV-Roma 87020881
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-10 21:31:33 ± 0.09
Latitude 45.8207 ± 0.0054
Longitude 11.0152 ± 0.0077
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 89143271

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 680
Semi-minor axis of confidence ellipse (meter) 530
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 139
Circular confidence region, given by single value of horizontal uncertainty (meter) 680.0
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 24
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.00814
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 89143271
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-04-16 11:09:23

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 87020881
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-10 21:37:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.CARD.HHZ. 2021-02-10T21:32:27.83 3.0 undecidable manual Sn -0.22 0
MN.TRI.HHZ. 2021-02-10T21:32:07.18 3.0 positive manual Pn 1.57 0
IV.BRES.EHZ. 2021-02-10T21:31:53.20 0.3 undecidable manual P 29 111.8991 90 0.75 53
IV.BRMO.HHZ. 2021-02-10T21:31:49.61 0.3 undecidable manual P 326 87.9453 90 0.86 53
SI.KOSI.HHZ. 2021-02-10T21:31:47.55 0.3 undecidable manual P 21 76.4679 90 0.56 61
IV.BAG8.EHE. 2021-02-10T21:31:47.03 0.6 undecidable manual S 271 42.4242 90 -0.53 43
ST.PANI.HNZ. 2021-02-10T21:31:45.04 0.6 undecidable manual S 44 35.4423 90 -0.65 40
IV.MAGA.HHZ. 2021-02-10T21:31:44.03 0.6 undecidable manual S 261 30.3474 91 -0.3 47
ST.GAGG.HHZ. 2021-02-10T21:31:43.76 0.3 undecidable manual S 352 29.4483 91 -0.35 67
OX.MARN.HNZ. 2021-02-10T21:31:42.51 0.3 undecidable manual S 143 25.2525 91 -0.48 69
IV.BAG8.EHE. 2021-02-10T21:31:42.59 0.6 undecidable manual P 271 42.4242 90 0.86 37
OX.BALD.HNZ. 2021-02-10T21:31:41.95 0.6 undecidable manual S 225 21.5673 91 -0.04 49
IV.MAGA.HHZ. 2021-02-10T21:31:40.17 0.3 undecidable manual P 261 30.3474 91 0.3 69
ST.PANI.HNZ. 2021-02-10T21:31:40.41 0.3 undecidable manual P 44 35.4423 90 -0.25 69
ST.DOSS.HHZ. 2021-02-10T21:31:40.22 0.3 undecidable manual S 63 14.9739 95 -0.01 75
ST.RONC.EHZ. 2021-02-10T21:31:40.46 0.3 undecidable manual P 300 35.0427 90 -0.14 71
SI.LUSI.HHZ. 2021-02-10T21:31:40.52 0.3 undecidable manual S 340 16.3725 93 -0.08 73
IV.MBAL.EHZ. 2021-02-10T21:31:40.76 0.3 undecidable manual S 222 18.2706 92 -0.35 72
ST.GAGG.HHZ. 2021-02-10T21:31:39.70 0.1 undecidable manual P 352 29.4483 91 -0.04 96
OX.MARN.HNZ. 2021-02-10T21:31:39.14 0.1 undecidable manual P 143 25.2525 91 0.04 97
IV.MBAL.EHZ. 2021-02-10T21:31:38.00 0.1 undecidable manual P 222 18.2706 92 -0.01 99
OX.BALD.HNZ. 2021-02-10T21:31:38.56 0.6 undecidable manual P 225 21.5673 91 0.04 49
SI.LUSI.HHZ. 2021-02-10T21:31:37.75 0.1 undecidable manual P 340 16.3725 93 0.03 100
ST.DOSS.HHZ. 2021-02-10T21:31:37.74 0.1 undecidable manual P 63 14.9739 95 0.24 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
ST.DOSS.HHE. ML:1.0 0.00008545 0.68 AML other m 2021-02-10T21:31:40.47
SI.LUSI.HHE. ML:1.1 0.00009955 0.28 AML other m 2021-02-10T21:31:40.90
IV.MBAL.EHE. ML:1.5 0.0002255 0.1 AML other m 2021-02-10T21:31:41.05
SI.LUSI.HHN. ML:1.3 0.000161 1.12 AML other m 2021-02-10T21:31:41.82
IV.MBAL.EHN. ML:1.4 0.00021800000000000004 0.52 AML other m 2021-02-10T21:31:41.25
ST.DOSS.HHN. ML:1.0 0.00009845000000000001 1.42 AML other m 2021-02-10T21:31:41.07
ST.GAGG.HHN. ML:1.1 0.000055350000000000004 1.58 AML other m 2021-02-10T21:31:43.13
ST.GAGG.HHE. ML:1.2 0.00007465000000000001 0.58 AML other m 2021-02-10T21:31:44.53
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