Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 04-12-2020 and time 01:58:55 (UTC) in region 12 km W Porte di Rendena (TN)

A magnitude ML 1.6 earthquake occured in region: 12 km W Porte di Rendena (TN), on

  • 04-12-2020 01:58:55 (UTC)
  • 04-12-2020 02:58:55 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.0720, 10.5590 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
Porte di Rendena TN 12 1796 1796
Saviore dell'Adamello BS 12 916 2712
Pelugo TN 13 392 3104
Sella Giudicarie TN 13 2943 6047
Tione di Trento TN 14 3635 9682
Spiazzo TN 14 1265 10947
Cevo BS 15 898 11845
Borgo Lares TN 15 698 12543
Valdaone TN 15 1205 13748
Paspardo BS 15 614 14362
Strembo TN 16 558 14920
Cimbergo BS 16 551 15471
Pieve di Bono-Prezzo TN 16 1474 16945
Cedegolo BS 16 1223 18168
Bocenago TN 16 389 18557
Caderzone Terme TN 17 661 19218
Sellero BS 17 1466 20684
Capo di Ponte BS 17 2440 23124
Tre Ville TN 17 1463 24587
Berzo Demo BS 18 1671 26258
Ceto BS 18 1912 28170
Castel Condino TN 18 229 28399
Massimeno TN 18 127 28526
Giustino TN 18 751 29277
Ono San Pietro BS 19 994 30271
Sonico BS 19 1264 31535
Braone BS 19 683 32218
Pinzolo TN 19 3118 35336
Carisolo TN 19 978 36314
Malonno BS 20 3261 39575
Cerveno BS 20 660 40235
Niardo BS 20 1978 42213

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km W of Trento (117317 inhabitants)
65 Km NE of Brescia (196480 inhabitants)
78 Km SW of Bolzano (106441 inhabitants)
78 Km NW of Verona (258765 inhabitants)
81 Km NE of Bergamo (119381 inhabitants)
96 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 1.6 2020-12-04
01:58:55		 46.0718 10.5587 10 2021-02-26
14:56:10		 Bollettino Sismico Italiano INGV 85319291
Reviewed
Rev100 		ML 1.5 2020-12-04
01:58:55		 46.075 10.5635 10 2020-12-04
02:15:13		 Sala Sismica INGV-Roma 85184741
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-04 01:58:55 ± 0.13
Latitude 46.0718 ± 0.0072
Longitude 10.5587 ± 0.0117
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 85319291

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 961
Semi-minor axis of confidence ellipse (meter) 725
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 242
Circular confidence region, given by single value of horizontal uncertainty (meter) 960.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 72
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.39
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.72485
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 85184741
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-04 02:15:13

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 85319291
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-12-09 16:09:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CH.FUORN.HHE. 2020-12-04T01:59:14.63 0.3 undecidable manual S 340 64.8906 50 -0.82 55
CH.BERNI.HHE. 2020-12-04T01:59:12.55 0.6 undecidable manual S 313 55.8996 50 -0.5 42
IV.MBAL.EHZ. 2020-12-04T01:59:11.42 3.0 undecidable manual P 0
IV.ZONE.HHZ. 2020-12-04T01:59:10.84 0.3 undecidable manual S 225 48.3183 50 -0.17 69
ST.ZIAN.EHZ. 2020-12-04T01:59:09.93 0.3 undecidable manual P 73 80.4639 50 0.57 59
ST.VARA.EHE. 2020-12-04T01:59:08.24 0.6 undecidable manual S 136 37.7289 50 0.05 48
CH.FUORN.HHE. 2020-12-04T01:59:07.42 0.3 undecidable manual P 340 64.8906 50 0.45 63
IV.MAGA.HHE. 2020-12-04T01:59:06.81 0.3 undecidable manual S 171 33.3444 50 -0.21 70
ST.OZOL.HNN. 2020-12-04T01:59:05.30 0.3 undecidable manual P 46 52.8027 50 0.19 68
IV.ZONE.HHZ. 2020-12-04T01:59:05.14 0.3 undecidable manual P 225 48.3183 50 0.74 59
CH.BERNI.HHE. 2020-12-04T01:59:05.96 0.3 undecidable manual P 313 55.8996 50 0.38 65
IV.BAG8.EHE. 2020-12-04T01:59:05.38 0.3 undecidable manual S 194 28.5492 50 -0.36 69
SI.LUSI.HHZ. 2020-12-04T01:59:05.99 0.3 undecidable manual S 113 32.1456 50 -0.72 61
IV.MAGA.HHE. 2020-12-04T01:59:02.40 0.1 undecidable manual P 171 33.3444 50 0.3 92
ST.VARA.EHE. 2020-12-04T01:59:02.61 0.3 undecidable manual P 136 37.7289 50 -0.17 71
IV.BAG8.EHE. 2020-12-04T01:59:01.77 0.1 undecidable manual P 194 28.5492 50 0.41 91
SI.LUSI.HHZ. 2020-12-04T01:59:01.71 0.1 undecidable manual P 113 32.1456 50 -0.21 94
ST.RONC.EHZ. 2020-12-04T01:59:00.41 0.3 undecidable manual S 154 11.2776 131 -0.15 74
IV.MABI.HHZ. 2020-12-04T01:58:58.41 0.1 undecidable manual S 241 3.8961 158 -0.62 89
ST.RONC.EHZ. 2020-12-04T01:58:58.73 0.1 undecidable manual P 154 11.2776 131 0.36 95
IV.MABI.HHZ. 2020-12-04T01:58:57.64 0.1 negative manual P 241 3.8961 158 0.15 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MABI.HHE. ML:1.8 0.00113672685 0.0592 AML other m 2020-12-04T01:58:58.53
IV.MABI.HHN. ML:1.8 0.0011812255000000001 0.08 AML other m 2020-12-04T01:58:58.58
ST.RONC.EHE. ML:1.5 0.00038745885 0.1408 AML other m 2020-12-04T01:59:00.68
ST.RONC.HNN. ML:1.5 0.00036142050000000005 0.1408 AML other m 2020-12-04T01:59:00.65
ST.RONC.EHN. ML:1.8 0.00074871745 0.16 AML other m 2020-12-04T01:59:00.75
ST.RONC.HNE. ML:1.8 0.0007188618500000001 0.36 AML other m 2020-12-04T01:59:01.88
IV.ZONE.HNN. ML:1.7 0.00013979055 0.64 AML other m 2020-12-04T01:59:05.26
ST.ZIAN.EHN. ML:1.3 0.0000263505325 1.7392 AML other m 2020-12-04T01:59:10.04
IV.ZONE.HNE. ML:1.8 0.000161552855 0.96 AML other m 2020-12-04T01:59:12.59
IV.ZONE.HHN. ML:0.9 0.000020123584500000003 0.0992 AML other m 2020-12-04T01:59:12.27
IV.ZONE.HHE. ML:0.7 0.0000174967145 0.1808 AML other m 2020-12-04T01:59:12.59
ST.ZIAN.HNN. ML:1.7 0.00007550870500000001 0.96 AML other m 2020-12-04T01:59:24.50
ST.ZIAN.HNE. ML:1.7 0.000072627105 1.2992 AML other m 2020-12-04T01:59:30.00
ST.ZIAN.EHE. ML:1.3 0.000024516157 0 AML other m 2020-12-04T01:59:36.70
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