Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 19-05-2021 and time 10:55:37 (UTC) in region 10 km SW Martello (BZ)

A magnitude ML 1.1 earthquake occured in region: 10 km SW Martello (BZ), on

  • 19-05-2021 10:55:37 (UTC)
  • 19-05-2021 12:55:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.4840, 10.7380 at 11 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Martello BZ 10 869 869
Rabbi TN 13 1372 2241
Peio TN 15 1860 4101
Lasa BZ 15 3993 8094
Silandro BZ 16 6016 14110
Laces BZ 18 5188 19298
Prato allo Stelvio BZ 19 3474 22772
Mezzana TN 19 895 23667
Pellizzano TN 19 794 24461
Bresimo TN 20 252 24713
Stelvio BZ 20 1161 25874
Ossana TN 20 858 26732
Commezzadura TN 20 995 27727
Malè TN 20 2179 29906
Terzolas TN 20 631 30537
Croviana TN 20 697 31234

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km W of Bolzano (106441 inhabitants)
55 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
Reviewed
Rev100 		ML 1.1 2021-05-19
10:55:37		 46.4835 10.7382 11 2021-05-19
11:04:22		 Sala Sismica INGV-Roma 90257461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-19 10:55:37 ± 0.12
Latitude 46.4835 ± 0.0126
Longitude 10.7382 ± 0.0091
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 90257461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1380
Semi-minor axis of confidence ellipse (meter) 630
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 12
Circular confidence region, given by single value of horizontal uncertainty (meter) 1380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 135
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.96587
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 90257461
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-19 11:04:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RIBO.EHZ.01 2021-05-19T10:57:27.03 3.0 undecidable manual Sg 17.01 0
IV.VCRE.HHZ. 2021-05-19T10:57:26.10 3.0 undecidable manual Pg 19.379999 0
IV.BSSO.HHZ. 2021-05-19T10:57:19.41 3.0 undecidable manual Pg 20.879999 0
IV.PTRJ.HNZ. 2021-05-19T10:57:17.10 3.0 undecidable manual Pg 16.68 0
IT.GLNS.HNZ. 2021-05-19T10:57:03.04 3.0 undecidable manual Pn 7.17 0
IV.SEI.HHZ. 2021-05-19T10:56:43.65 3.0 undecidable manual Sn -0.22 0
IV.RIBO.EHZ.01 2021-05-19T10:56:31.65 3.0 undecidable manual Pn 2.42 0
IV.PLMA.HHZ. 2021-05-19T10:56:24.30 3.0 undecidable manual Pg 9.2 0
GU.GRAM.HHZ. 2021-05-19T10:56:13.00 3.0 undecidable manual Pg 4.27 0
IV.SGAL.EHZ. 2021-05-19T10:55:55.95 0.6 undecidable manual P 198 107.2149 50 0.14 44
CH.BERNI.HHZ. 2021-05-19T10:55:54.69 0.6 undecidable manual S 262 55.2003 50 -0.38 46
IV.APPI.EHZ. 2021-05-19T10:55:49.90 0.3 undecidable manual S 91 37.4292 50 -0.43 71
CH.BERNI.HHZ. 2021-05-19T10:55:48.16 0.6 undecidable manual P 262 55.2003 50 0.37 46
ST.RONC.EHZ. 2021-05-19T10:55:48.15 0.3 undecidable manual P 189 56.499 50 0.15 73
IV.BRMO.HHZ. 2021-05-19T10:55:47.17 0.3 undecidable manual S 268 27.9498 50 -0.63 67
ST.OZOL.EHZ. 2021-05-19T10:55:46.71 0.3 undecidable manual S 110 25.5522 50 -0.44 72
SI.MOSI.HHZ. 2021-05-19T10:55:45.64 0.3 undecidable manual S 316 20.5683 50 -0.19 77
IV.APPI.EHZ. 2021-05-19T10:55:45.38 0.3 undecidable manual P 91 37.4292 50 0.32 73
ST.OZOL.EHZ. 2021-05-19T10:55:43.49 0.1 undecidable manual P 110 25.5522 50 0.26 100
IV.BRMO.HHZ. 2021-05-19T10:55:43.84 0.1 positive manual P 268 27.9498 50 0.24 100
SI.MOSI.HHZ. 2021-05-19T10:55:42.87 0.3 positive manual P 316 20.5683 50 0.41 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
ST.OZOL.EHN. ML:1.2 0.00008444999999999999 0.16 AML other m 2021-05-19T10:55:47.03
IV.BRMO.HHE. ML:0.8 0.000033799999999999995 0.3 AML other m 2021-05-19T10:55:47.52
IV.BRMO.HHN. ML:0.9 0.000040300000000000004 0.1 AML other m 2021-05-19T10:55:47.45
ST.OZOL.EHE. ML:1.2 0.00008305000000000001 0.16 AML other m 2021-05-19T10:55:47.63
IV.APPI.EHN. ML:1.2 0.0000567 1.1 AML other m 2021-05-19T10:55:50.72
IV.APPI.EHE. ML:1.0 0.00003645 0.5 AML other m 2021-05-19T10:55:50.44
ST.RONC.EHE. ML:1.4 0.0000502 0.16 AML other m 2021-05-19T10:55:55.73
ST.RONC.EHN. ML:1.5 0.000063805 0.18 AML other m 2021-05-19T10:55:56.18
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