Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 03-03-2021 and time 21:28:53 (Italy) in region 2 km NW Ala (TN)

A magnitude ML 1.5 earthquake occured in region: 2 km NW Ala (TN), on

  • 03-03-2021 20:28:53 (UTC)
  • 03-03-2021 21:28:53 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.7700, 10.9860 at 10 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
Ala TN 2 8913 8913
Avio TN 5 4133 13046
Brentonico TN 6 4015 17061
Mori TN 9 9678 26739
Vallarsa TN 10 1395 28134
Trambileno TN 13 1452 29586
Isera TN 13 2735 32321
Malcesine VR 14 3736 36057
Ronzo-Chienis TN 14 976 37033
Rovereto TN 14 39289 76322
Nago-Torbole TN 14 2867 79189
Erbezzo VR 14 740 79929
Brentino Belluno VR 14 1395 81324
Ferrara di Monte Baldo VR 15 226 81550
Limone sul Garda BS 16 1181 82731
Sant'Anna d'Alfaedo VR 16 2553 85284
Nogaredo TN 16 2065 87349
Villa Lagarina TN 17 3778 91127
Bosco Chiesanuova VR 17 3600 94727
Riva del Garda TN 17 16926 111653
Volano TN 18 3169 114822
Terragnolo TN 18 716 115538
Tremosine sul Garda BS 18 2100 117638
Brenzone sul Garda VR 18 2474 120112
Pomarolo TN 18 2452 122564
Arco TN 18 17526 140090
Nomi TN 19 1398 141488

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km SW of Trento (117317 inhabitants)
37 Km N of Verona (258765 inhabitants)
50 Km W of Vicenza (112953 inhabitants)
65 Km E of Brescia (196480 inhabitants)
80 Km W of Padova (210401 inhabitants)
86 Km SW of Bolzano (106441 inhabitants)
99 Km W of Treviso (83731 inhabitants)
100 Km NW of Rovigo (51867 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 1.5 2021-03-03
20:28:53		 45.77 10.9857 10 2021-07-12
16:55:05		 Bollettino Sismico Italiano INGV 88804531
Reviewed
Rev100 		ML 1.5 2021-03-03
20:28:53		 45.7767 10.9882 11 2021-03-03
20:37:50		 Sala Sismica INGV-Roma 87679461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-03 20:28:53 ± 0.08
Latitude 45.7700 ± 0.0054
Longitude 10.9857 ± 0.0064
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 88804531

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 597
Semi-minor axis of confidence ellipse (meter) 161
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 143
Circular confidence region, given by single value of horizontal uncertainty (meter) 600.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 56
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 41
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) 0.08364
Epicentral distance of station farthest from the epicenter (degree) 1.14753
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 29
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 44
Type of magnitude ML
Reference to an origin 88804531
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-04-22 13:26:42

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 34
Type of magnitude ML
Reference to an origin 87679461
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-03 20:37:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OX.CIMO.HHZ. 2021-03-03T20:29:15.42 0.6 undecidable manual P 61 127.3725 50 0.73 34
IV.BRES.EHZ. 2021-03-03T20:29:13.80 0.3 undecidable manual P 29 117.8931 50 0.56 55
CH.BERNI.HHZ. 2021-03-03T20:29:12.38 0.6 undecidable manual P 314 102.8193 50 1.48 24
SI.MOSI.HHZ. 2021-03-03T20:29:11.20 0.1 undecidable manual P 341 99.7224 50 0.79 69
OX.VARN.HHZ. 2021-03-03T20:29:09.46 0.3 undecidable manual P 74 89.8434 50 0.55 58
IV.BRMO.HHZ. 2021-03-03T20:29:09.21 0.6 undecidable manual P 329 91.4418 50 0.06 43
SI.KOSI.HHZ. 2021-03-03T20:29:08.14 0.3 undecidable manual P 21 82.5507 50 0.36 62
IV.APPI.EHZ. 2021-03-03T20:29:07.75 0.3 undecidable manual P 13 80.7636 50 0.24 64
ST.ZIAN.EHZ. 2021-03-03T20:29:06.21 0.1 undecidable manual P 38 71.6727 50 0.11 89
IV.TEOL.HHZ. 2021-03-03T20:29:06.56 0.6 undecidable manual P 130 70.0743 50 0.71 38
IV.VOBA.EHZ. 2021-03-03T20:29:06.45 0.3 undecidable manual S 249 39.9267 50 -0.39 67
ST.OZOL.EHZ. 2021-03-03T20:29:06.53 0.3 undecidable manual P 4 70.4739 50 0.61 59
IV.ZONE.HHZ. 2021-03-03T20:29:05.93 1.0 undecidable manual P 270 67.1772 50 0.51 21
ST.PANI.EHZ. 2021-03-03T20:29:05.85 0.6 undecidable manual S 41 41.1255 50 -1.31 30
ST.RONC.EHZ. 2021-03-03T20:29:05.26 0.6 undecidable manual S 310 36.4413 50 -0.67 41
IV.CTI.HHN. 2021-03-03T20:29:04.11 0.1 undecidable manual P 59 59.7957 50 -0.17 90
IV.VMAN.HHN. 2021-03-03T20:29:04.24 1.0 undecidable manual P 206 56.499 50 0.48 21
ST.GAGG.HHZ. 2021-03-03T20:29:04.96 0.6 undecidable manual S 357 34.8429 50 -0.53 43
IV.SGAL.EHZ. 2021-03-03T20:29:04.45 0.6 undecidable manual P 247 57.0984 50 0.6 41
IV.MAGA.HHZ. 2021-03-03T20:29:03.14 0.6 undecidable manual S 271 27.6501 50 -0.43 45
IV.TREG.EHZ. 2021-03-03T20:29:03.69 0.3 undecidable manual S 154 30.5472 50 -0.67 62
IV.MABI.HHZ. 2021-03-03T20:29:02.22 0.6 undecidable manual P 311 48.2184 50 -0.27 45
IV.ZEN8.EHZ. 2021-03-03T20:29:02.11 0.3 undecidable manual S 233 24.5532 112 -0.58 65
IV.BAG8.EHE. 2021-03-03T20:29:01.10 0.3 undecidable manual P 278 40.626 50 -0.21 69
OX.MARN.HNN. 2021-03-03T20:29:01.84 0.6 undecidable manual S 130 22.755 114 -0.28 47
ST.PANI.EHZ. 2021-03-03T20:29:01.28 0.1 undecidable manual P 41 41.1255 50 -0.11 94
IV.VOBA.EHZ. 2021-03-03T20:29:01.22 0.3 undecidable manual P 249 39.9267 50 0.02 72
SI.LUSI.HHZ. 2021-03-03T20:29:01.04 0.3 undecidable manual S 351 21.2676 115 -0.62 64
OX.BALD.HNZ. 2021-03-03T20:29:00.40 0.6 undecidable manual S 233 16.1727 122 0.31 47
ST.RONC.EHZ. 2021-03-03T20:29:00.48 0.3 undecidable manual P 310 36.4413 50 -0.2 70
ST.GAGG.HHZ. 2021-03-03T20:29:00.19 0.1 undecidable manual P 357 34.8429 50 -0.24 93
ST.DOSS.HHZ. 2021-03-03T20:29:00.54 0.3 undecidable manual S 52 19.869 117 -0.7 63
IV.TREG.EHZ. 2021-03-03T20:28:59.85 0.6 undecidable manual P 154 30.5472 50 0.08 48
IV.MAGA.HHZ. 2021-03-03T20:28:59.21 0.3 undecidable manual P 271 27.6501 50 -0.1 73
SI.LUSI.HHZ. 2021-03-03T20:28:58.12 0.1 negative manual P 351 21.2676 115 -0.09 98
OX.MARN.HNN. 2021-03-03T20:28:58.41 0.3 undecidable manual P 130 22.755 114 -0.07 74
ST.VARA.EHZ. 2021-03-03T20:28:58.43 0.6 undecidable manual S 312 9.2796 137 0.19 49
IV.ZEN8.EHZ. 2021-03-03T20:28:58.68 0.3 undecidable manual P 233 24.5532 112 -0.13 73
OX.BALD.HNZ. 2021-03-03T20:28:57.63 0.3 undecidable manual P 233 16.1727 122 0.33 71
ST.DOSS.HHZ. 2021-03-03T20:28:57.98 0.1 negative manual P 52 19.869 117 0.01 100
ST.VARA.EHZ. 2021-03-03T20:28:56.69 0.1 undecidable manual P 312 9.2796 137 0.45 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
ST.VARA.EHN. ML:2.1 0.00175 0.58 AML other m 2021-03-03T20:28:58.30
ST.VARA.HNN. ML:2.5 0.00419 0.08 AML other m 2021-03-03T20:28:58.78
ST.VARA.EHE. ML:2.5 0.00428 0.08 AML other m 2021-03-03T20:28:58.78
ST.VARA.HNE. ML:2.1 0.0017649999999999999 0.28 AML other m 2021-03-03T20:28:59.30
ST.DOSS.HHN. ML:1.5 0.000249 0.62 AML other m 2021-03-03T20:29:00.89
ST.DOSS.HHE. ML:1.6 0.000258 0.52 AML other m 2021-03-03T20:29:00.82
SI.LUSI.HHE. ML:1.9 0.0005085 0.8 AML other m 2021-03-03T20:29:01.17
SI.LUSI.HHN. ML:2.1 0.0009004999999999999 1.8 AML other m 2021-03-03T20:29:01.06
IV.ZEN8.EHE. ML:1.3 0.0001235 0.74 AML other m 2021-03-03T20:29:02.60
IV.ZEN8.EHN. ML:1.2 0.0001027 0.66 AML other m 2021-03-03T20:29:02.64
ST.DOSS.HNE. ML:1.4 0.00019902595 0.3584 AML other m 2021-03-03T20:29:03.02
ST.DOSS.HNN. ML:1.4 0.00021200210000000001 0.256 AML other m 2021-03-03T20:29:03.08
IV.TREG.EHN. ML:1.8 0.000273 0.26 AML other m 2021-03-03T20:29:04.55
ST.GAGG.HHE. ML:1.5 0.000121 0.58 AML other m 2021-03-03T20:29:05.32
IV.MAGA.HHE. ML:1.5 0.00017549999999999998 1.2 AML other m 2021-03-03T20:29:05.67
ST.GAGG.HHN. ML:1.3 0.0000753 0.08 AML other m 2021-03-03T20:29:05.81
IV.TREG.EHE. ML:1.8 0.000264 1.18 AML other m 2021-03-03T20:29:05.24
ST.RONC.EHN. ML:1.5 0.00011765 0.68 AML other m 2021-03-03T20:29:06.52
IV.MAGA.HHN. ML:1.4 0.00013900000000000002 0.62 AML other m 2021-03-03T20:29:06.72
IV.VOBA.EHE. ML:1.7 0.0001715 0.18 AML other m 2021-03-03T20:29:07.32
IV.VOBA.EHN. ML:1.8 0.0002275 0.2 AML other m 2021-03-03T20:29:07.44
ST.RONC.EHE. ML:1.4 0.00010515 0.16 AML other m 2021-03-03T20:29:09.23
IV.MABI.HHN. ML:1.0 0.000025099999999999997 0.4 AML other m 2021-03-03T20:29:11.20
IV.SGAL.EHE. ML:1.3 0.000045249999999999995 0.48 AML other m 2021-03-03T20:29:13.53
IV.SGAL.EHN. ML:1.4 0.0000553 0.08 AML other m 2021-03-03T20:29:14.71
ST.ZIAN.EHN. ML:1.4 0.00004655 0.44 AML other m 2021-03-03T20:29:15.82
ST.ZIAN.EHE. ML:1.6 0.0000626 0.3 AML other m 2021-03-03T20:29:15.65
ST.OZOL.EHN. ML:1.5 0.0000546 1.08 AML other m 2021-03-03T20:29:16.22
ST.OZOL.EHE. ML:1.7 0.0000793 0.5 AML other m 2021-03-03T20:29:17.29
IV.MABI.HHE. ML:1.0 0.0000236 0.84 AML other m 2021-03-03T20:29:17.94
IV.APPI.EHE. ML:1.6 0.00005434999999999999 0.26 AML other m 2021-03-03T20:29:18.90
IV.APPI.EHN. ML:1.7 0.00006840000000000001 1.04 AML other m 2021-03-03T20:29:19.58
IV.ZONE.HHE. ML:1.3 0.00003315 0.68 AML other m 2021-03-03T20:29:19.68
SI.KOSI.HHN. ML:1.4 0.000034450000000000004 1.5 AML other m 2021-03-03T20:29:19.94
IV.ZONE.HHN. ML:1.4 0.00004095 1.06 AML other m 2021-03-03T20:29:20.27
IV.BRMO.HHN. ML:1.3 0.00002255 0.74 AML other m 2021-03-03T20:29:21.36
IV.BRMO.HHE. ML:1.2 0.000019200000000000003 0.12 AML other m 2021-03-03T20:29:21.92
OX.VARN.HHE. ML:1.7 0.0000546 0.48 AML other m 2021-03-03T20:29:22.57
SI.KOSI.HHE. ML:1.4 0.0000366 0.98 AML other m 2021-03-03T20:29:23.89
SI.MOSI.HHE. ML:1.6 0.000040050000000000004 0.76 AML other m 2021-03-03T20:29:24.45
OX.VARN.HHN. ML:1.4 0.00002925 1.04 AML other m 2021-03-03T20:29:24.37
SI.MOSI.HHN. ML:1.6 0.000038849999999999996 0.26 AML other m 2021-03-03T20:29:24.82
OX.CIMO.HHE. ML:1.2 0.000012 0.64 AML other m 2021-03-03T20:29:33.44
OX.CIMO.HHN. ML:1.2 0.00001133 0.76 AML other m 2021-03-03T20:29:34.32
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