Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 31-07-2020 and time 16:03:41 (UTC) in region 4 km NE Rabbi (TN)

A magnitude ML 1.1 earthquake occured in region: 4 km NE Rabbi (TN), on

  • 31-07-2020 16:03:41 (UTC)
  • 31-07-2020 18:03:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.4300, 10.8750 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
Rabbi TN 4 1372 1372
Bresimo TN 8 252 1624
Terzolas TN 9 631 2255
Caldes TN 9 1102 3357
Malè TN 9 2179 5536
Cavizzana TN 9 252 5788
Croviana TN 10 697 6485
Cis TN 10 309 6794
Rumo TN 11 820 7614
Livo TN 11 867 8481
Dimaro Folgarida TN 11 2208 10689
Commezzadura TN 12 995 11684
Proves BZ 13 261 11945
Cagnò TN 14 340 12285
Mezzana TN 14 895 13180
Cles TN 14 6982 20162
Revò TN 15 1245 21407
Lauregno BZ 15 342 21749
Romallo TN 15 620 22369
Pellizzano TN 16 794 23163
Ville d'Anaunia TN 16 4884 28047
Sanzeno TN 16 923 28970
Peio TN 16 1860 30830
Cloz TN 16 701 31531
Ultimo BZ 17 2872 34403
Martello BZ 17 869 35272
Dambel TN 17 435 35707
Ossana TN 17 858 36565
Brez TN 18 741 37306
Castelfondo TN 19 625 37931
Predaia TN 19 6655 44586
Romeno TN 19 1385 45971
Vermiglio TN 20 1882 47853

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km W of Bolzano (106441 inhabitants)
44 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 2020-07-31
16:03:41		 46.4295 10.8747 10 2020-11-19
12:36:59		 Bollettino Sismico Italiano INGV 82586771
Reviewed
Rev100 		ML 1.2 2020-07-31
16:03:41		 46.4177 10.8692 11 2020-07-31
16:10:43		 Sala Sismica INGV-Roma 81509261
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-31 16:03:41 ± 0.09
Latitude 46.4295 ± 0.0063
Longitude 10.8747 ± 0.0052
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 82586771

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 690
Semi-minor axis of confidence ellipse (meter) 38
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 191
Circular confidence region, given by single value of horizontal uncertainty (meter) 690.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 82
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.12411
Epicentral distance of station farthest from the epicenter (degree) 0.98296
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 13
Type of magnitude ML
Reference to an origin 81509261
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-31 16:10:43

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 13
Type of magnitude ML
Reference to an origin 82586771
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-03 12:55:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OE.WTTA.HHE. 2020-07-31T16:04:00.50 0.6 undecidable manual P 32 109.113 50 0.23 41
ST.RONC.EHZ. 2020-07-31T16:03:58.43 0.3 undecidable manual S 201 53.502 50 -0.41 66
CH.FUORN.HHE. 2020-07-31T16:03:57.95 0.3 undecidable manual S 295 51.2154 50 -0.29 68
IV.BRMO.HHZ. 2020-07-31T16:03:54.09 0.3 undecidable manual S 278 38.7279 50 -0.82 59
SI.KOSI.HHZ. 2020-07-31T16:03:54.53 0.3 undecidable manual S 84 38.628 50 -0.34 69
ST.GAGG.HHZ. 2020-07-31T16:03:54.86 0.3 undecidable manual S 170 38.9277 50 -0.09 73
CH.BERNI.HHZ. 2020-07-31T16:03:53.73 0.3 undecidable manual P 269 65.1903 50 0.24 67
SI.MOSI.HHE. 2020-07-31T16:03:53.13 0.3 undecidable manual S 310 32.3454 50 -0.07 74
ST.PANI.HNZ. 2020-07-31T16:03:52.37 0.3 undecidable manual P 140 54.9006 50 0.46 65
ST.RONC.EHZ. 2020-07-31T16:03:52.05 0.3 undecidable manual P 201 53.502 50 0.36 67
IV.APPI.EHZ. 2020-07-31T16:03:51.41 0.3 undecidable manual S 78 27.5502 50 -0.51 68
CH.FUORN.HHE. 2020-07-31T16:03:51.65 0.3 undecidable manual P 295 51.2154 50 0.3 68
IV.MABI.HHE. 2020-07-31T16:03:51.00 0.3 undecidable manual P 214 49.9167 50 -0.15 70
SI.LUSI.HHZ. 2020-07-31T16:03:51.90 0.3 undecidable manual P 174 52.4031 50 0.37 67
ST.GAGG.HHZ. 2020-07-31T16:03:49.42 0.3 undecidable manual P 170 38.9277 50 -0.03 73
IV.BRMO.HHZ. 2020-07-31T16:03:49.68 0.3 undecidable manual P 278 38.7279 50 0.25 70
SI.KOSI.HHZ. 2020-07-31T16:03:49.77 0.3 undecidable manual P 84 38.628 50 0.36 69
IV.BORM.HNZ. 2020-07-31T16:03:49.57 0.1 undecidable manual P 277 38.3283 50 0.21 95
SI.MOSI.HHE. 2020-07-31T16:03:48.76 0.3 undecidable manual P 310 32.3454 50 0.32 70
ST.CARE.EHZ. 2020-07-31T16:03:47.47 0.3 undecidable manual S 268 13.7751 127 -0.45 70
IV.APPI.EHZ. 2020-07-31T16:03:47.79 0.1 undecidable manual P 78 27.5502 50 0.09 99
ST.OZOL.EHZ. 2020-07-31T16:03:47.52 0.3 undecidable manual S 102 13.875 127 -0.41 71
ST.OZOL.EHZ. 2020-07-31T16:03:45.47 0.3 undecidable manual P 102 13.875 127 0.07 76
ST.CARE.EHZ. 2020-07-31T16:03:45.53 0.1 undecidable manual P 268 13.7751 127 0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
ST.CARE.HNN. ML:1.2 0.0001737415 0.2176 AML other m 2020-07-31T16:03:47.53
ST.CARE.EHN. ML:1.2 0.00015517575 0.2048 AML other m 2020-07-31T16:03:47.44
ST.CARE.EHE. ML:1.0 0.00009736239499999999 0.1664 AML other m 2020-07-31T16:03:47.56
ST.OZOL.HNN. ML:1.4 0.00022518539999999998 0.1792 AML other m 2020-07-31T16:03:47.60
ST.OZOL.EHN. ML:1.4 0.00022340185 0.1664 AML other m 2020-07-31T16:03:47.53
ST.OZOL.HNE. ML:1.4 0.00025698889999999997 0.1536 AML other m 2020-07-31T16:03:47.75
ST.OZOL.EHE. ML:1.4 0.00023871795000000002 0.128 AML other m 2020-07-31T16:03:47.62
IV.APPI.EHN. ML:1.3 0.00010551154 0.1024 AML other m 2020-07-31T16:03:51.48
IV.APPI.EHE. ML:1.2 0.00007518146500000001 0.0768 AML other m 2020-07-31T16:03:51.49
IV.BRMO.HHN. ML:1.0 0.00003649086 0.2176 AML other m 2020-07-31T16:03:54.16
IV.BRMO.HHE. ML:0.8 0.000026165555 0.1024 AML other m 2020-07-31T16:03:54.64
ST.GAGG.HHN. ML:0.8 0.000023939425 0.2304 AML other m 2020-07-31T16:03:55.37
ST.GAGG.HHE. ML:0.8 0.00001903467 0.2176 AML other m 2020-07-31T16:03:55.65
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