Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 31-10-2020 and time 11:14:44 (UTC) in region 12 km NW Rabbi (TN)

A magnitude ML 1.1 earthquake occured in region: 12 km NW Rabbi (TN), on

  • 31-10-2020 11:14:44 (UTC)
  • 31-10-2020 12:14:44 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.4660, 10.7260 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.

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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
Rabbi TN 12 1372 1372
Martello BZ 12 869 2241
Peio TN 13 1860 4101
Lasa BZ 17 3993 8094
Pellizzano TN 18 794 8888
Ossana TN 18 858 9746
Mezzana TN 18 895 10641
Commezzadura TN 18 995 11636
Silandro BZ 19 6016 17652
Vermiglio TN 19 1882 19534
Malè TN 19 2179 21713
Croviana TN 19 697 22410
Terzolas TN 19 631 23041
Dimaro Folgarida TN 19 2208 25249
Bresimo TN 20 252 25501
Laces BZ 20 5188 30689
Prato allo Stelvio BZ 20 3474 34163

Municipalities with at least 50000 inhabitants

An earthquake occurred to
49 Km W of Bolzano (106441 inhabitants)
54 Km NW of Trento (117317 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 1.1 2020-10-31
11:14:44		 46.4655 10.726 11 2021-02-26
14:56:13		 Bollettino Sismico Italiano INGV 86038251
Reviewed
Rev100 		ML 1.5 2020-10-31
11:14:44		 46.4692 10.729 10 2020-10-31
11:28:05		 Sala Sismica INGV-Roma 84319731
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-31 11:14:44 ± 0.1
Latitude 46.4655 ± 0.0063
Longitude 10.7260 ± 0.0065
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86038251

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 658
Semi-minor axis of confidence ellipse (meter) 423
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 4
Circular confidence region, given by single value of horizontal uncertainty (meter) 660.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 84
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 25
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) 0.73025
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 15
Type of magnitude ML
Reference to an origin 86038251
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-05 22:21:24

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 84319731
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-31 11:28:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.BLANC.HHZ. 2020-10-31T11:16:15.35 3.0 undecidable manual Sg 14.18 0
IV.CRE.HHZ. 2020-10-31T11:16:10.82 3.0 undecidable manual Sg 2.41 0
IT.ACQ.HGZ. 2020-10-31T11:16:00.88 3.0 undecidable manual Sg 7.15 0
IT.FIE.HGZ. 2020-10-31T11:15:57.10 3.0 undecidable manual Sn -4.28 0
GU.BLANC.HHZ. 2020-10-31T11:15:32.95 3.0 undecidable manual Pn 5.37 0
IV.NARO.HHZ. 2020-10-31T11:15:32.82 3.0 positive manual Pn -1.12 0
IV.SARZ.HHZ. 2020-10-31T11:15:17.29 3.0 positive manual Pn -1.37 0
IV.SBPO.HNZ. 2020-10-31T11:15:09.61 3.0 undecidable manual P -0.69 0
CH.BERNI.HHZ. 2020-10-31T11:15:01.57 0.6 undecidable manual S 264 54.0015 50 -0.02 47
ST.RONC.EHZ. 2020-10-31T11:15:01.37 0.3 undecidable manual S 188 54.4011 50 -0.32 66
IV.MABI.HHZ. 2020-10-31T11:14:59.45 0.3 undecidable manual S 200 48.3183 50 -0.62 60
IV.BRES.EHZ. 2020-10-31T11:14:58.97 0.1 undecidable manual P 71 81.0522 50 0.39 85
CH.FUORN.HHZ. 2020-10-31T11:14:57.26 0.6 undecidable manual S 296 39.2274 50 -0.38 45
SI.ROSI.HHE. 2020-10-31T11:14:57.43 0.6 undecidable manual P 45 73.1712 50 0.07 46
CH.DAVOX.HHE. 2020-10-31T11:14:57.76 0.1 undecidable manual P 299 73.371 50 0.38 86
IV.APPI.EHZ. 2020-10-31T11:14:56.67 0.1 undecidable manual S 88 38.4282 50 -0.74 76
ST.ZIAN.EHZ. 2020-10-31T11:14:56.75 0.1 undecidable manual P 108 67.377 50 0.28 90
SI.ABSI.HHE. 2020-10-31T11:14:54.43 0.3 undecidable manual P 57 53.9016 50 0.05 71
CH.BERNI.HHZ. 2020-10-31T11:14:54.69 0.1 undecidable manual P 264 54.0015 50 0.28 91
IV.BRMO.HHZ. 2020-10-31T11:14:54.09 0.3 undecidable manual S 273 27.0507 50 -0.3 70
ST.RONC.EHZ. 2020-10-31T11:14:54.68 0.1 undecidable manual P 188 54.4011 50 0.22 93
SI.KOSI.HHZ. 2020-10-31T11:14:54.16 1.0 positive manual P 90 49.8168 50 0.41 23
ST.GAGG.HNZ. 2020-10-31T11:14:53.60 0.1 undecidable manual P 157 46.0206 50 0.44 90
ST.OZOL.EHZ. 2020-10-31T11:14:53.28 0.3 undecidable manual S 105 25.8519 50 -0.78 57
IV.MABI.HHZ. 2020-10-31T11:14:53.79 0.1 undecidable manual P 200 48.3183 50 0.26 93
SI.MOSI.HHZ. 2020-10-31T11:14:52.41 0.1 undecidable manual S 321 21.4674 50 -0.49 91
IV.APPI.EHZ. 2020-10-31T11:14:52.13 0.1 positive manual P 88 38.4282 50 0.13 98
CH.FUORN.HHZ. 2020-10-31T11:14:52.32 0.6 negative manual P 296 39.2274 50 0.19 48
IV.BRMO.HHZ. 2020-10-31T11:14:50.37 1.0 undecidable manual P 273 27.0507 50 0.12 25
ST.OZOL.EHZ. 2020-10-31T11:14:50.08 0.6 positive manual P 105 25.8519 50 0.02 49
SI.MOSI.HHZ. 2020-10-31T11:14:49.58 0.6 negative manual P 321 21.4674 50 0.19 49
ST.CARE.HNZ. 2020-10-31T11:14:48.20 0.3 undecidable manual S 208 5.0949 154 -0.46 71
ST.CARE.HNZ. 2020-10-31T11:14:47.15 0.1 undecidable manual P 208 5.0949 154 0.21 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BRMO.HHE. ML:1.0 0.000048299999999999995 0.08 AML other m 2020-10-31T11:14:50.43
SI.MOSI.HHE. ML:1.0 0.00007715499500000001 0.2176 AML other m 2020-10-31T11:14:52.60
SI.MOSI.HHN. ML:1.3 0.000129 0.28 AML other m 2020-10-31T11:14:53.37
IV.BRMO.HHN. ML:0.9 0.00003925 0.12 AML other m 2020-10-31T11:14:54.19
IV.APPI.EHN. ML:1.4 0.000101069955 0.1152 AML other m 2020-10-31T11:14:56.80
IV.APPI.EHE. ML:1.4 0.00009415 0.1 AML other m 2020-10-31T11:14:56.91
ST.OZOL.EHE. ML:1.1 0.000065824235 0.1216 AML other m 2020-10-31T11:14:53.44
ST.OZOL.HNE. ML:1.2 0.0000907144 0.4416 AML other m 2020-10-31T11:14:53.35
ST.OZOL.EHN. ML:1.2 0.00008998389999999999 0.1984 AML other m 2020-10-31T11:14:53.34
ST.OZOL.HNN. ML:1.4 0.00013129735 0.8 AML other m 2020-10-31T11:14:51.62
SI.KOSI.HHN. ML:0.8 0.000014112297 0.4416 AML other m 2020-10-31T11:15:00.91
ST.RONC.EHN. ML:1.2 0.00003679023 0.3392 AML other m 2020-10-31T11:15:02.42
ST.RONC.EHE. ML:1.2 0.000034957266 0.2176 AML other m 2020-10-31T11:15:05.36
CH.BERNI.HHE. ML:0.6 0.000011474455 0.16 AML other m 2020-10-31T11:15:02.75
ST.ZIAN.EHN. ML:0.8 0.000008902235000000002 0.2432 AML other m 2020-10-31T11:15:04.96
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