Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 03-02-2020 and time 16:39:57 (Italy) in region 8 km W Martello (BZ)

A magnitude ML 1.2 earthquake occured in region: 8 km W Martello (BZ), on

  • 03-02-2020 15:39:57 (UTC)
  • 03-02-2020 16:39:57 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.5440, 10.6850 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
Martello BZ 8 869 869
Lasa BZ 8 3993 4862
Prato allo Stelvio BZ 11 3474 8336
Silandro BZ 12 6016 14352
Stelvio BZ 12 1161 15513
Sluderno BZ 16 1804 17317
Laces BZ 16 5188 22505
Glorenza BZ 17 896 23401
Castelbello-Ciardes BZ 19 2309 25710
Malles Venosta BZ 20 5162 30872

Municipalities with at least 50000 inhabitants

An earthquake occurred to
52 Km W of Bolzano (106441 inhabitants)
63 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 1.2 2020-02-03
15:39:57		 46.5435 10.6853 11 2020-07-18
21:08:27		 Bollettino Sismico Italiano INGV 77483031
Reviewed
Rev100 		ML 1.1 2020-02-03
15:39:57		 46.5438 10.6818 11 2020-02-03
15:45:41		 Sala Sismica INGV-Roma 76167521
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-03 15:39:57 ± 0.14
Latitude 46.5435 ± 0.0090
Longitude 10.6853 ± 0.0092
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 77483031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1059
Semi-minor axis of confidence ellipse (meter) 429
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 24
Circular confidence region, given by single value of horizontal uncertainty (meter) 1060.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 152
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.11871
Epicentral distance of station farthest from the epicenter (degree) 0.50272
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 76167521
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-03 15:45:41

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 77483031
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-23 02:29:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MABI.HHZ. 2020-02-03T15:40:14.80 0.3 undecidable manual S 194 55.7997 50 -0.31 66
IV.APPI.EHZ. 2020-02-03T15:40:11.01 0.3 undecidable manual S 100 42.0246 50 -0.44 66
IV.MABI.HHZ. 2020-02-03T15:40:08.28 0.1 undecidable manual P 194 55.7997 50 0.51 84
ST.OZOL.HNN. 2020-02-03T15:40:08.36 0.6 undecidable manual S 119 31.9458 50 -0.41 45
CH.FUORN.HHN. 2020-02-03T15:40:08.72 0.6 undecidable manual S 285 33.2445 50 -0.39 45
CH.BERNI.HHZ. 2020-02-03T15:40:07.69 0.3 undecidable manual P 254 52.6029 50 0.41 65
IV.BRMO.HHZ. 2020-02-03T15:40:06.13 0.3 undecidable manual S 253 25.0527 50 -0.78 60
IV.APPI.EHZ. 2020-02-03T15:40:05.78 0.1 undecidable manual P 100 42.0246 50 0.12 94
ST.OZOL.HNN. 2020-02-03T15:40:04.24 0.1 undecidable manual P 119 31.9458 50 0.13 96
CH.FUORN.HHN. 2020-02-03T15:40:04.53 0.1 undecidable manual P 285 33.2445 50 0.23 94
IV.BRMO.HHZ. 2020-02-03T15:40:03.20 0.1 undecidable manual P 253 25.0527 50 0.17 96
SI.MOSI.HHZ. 2020-02-03T15:40:03.20 0.3 undecidable manual S 308 13.1757 130 -0.47 69
ST.CARE.EHZ. 2020-02-03T15:40:03.28 0.3 undecidable manual S 177 13.1757 130 -0.39 70
IV.BORM.HNE. 2020-02-03T15:40:03.32 0.1 undecidable manual P 251 24.9528 50 0.3 94
SI.MOSI.HHZ. 2020-02-03T15:40:01.24 0.1 undecidable manual P 308 13.1757 130 0.07 100
ST.CARE.EHZ. 2020-02-03T15:40:01.44 0.1 undecidable manual P 177 13.1757 130 0.28 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
SI.MOSI.HHE. ML:1.0 0.00010580000000000001 0.42 AML other m 2020-02-03T15:40:05.59
ST.CARE.EHN. ML:1.4 0.0002405 0.3 AML other m 2020-02-03T15:40:03.55
SI.MOSI.HHN. ML:1.2 0.00016049999999999997 1.08 AML other m 2020-02-03T15:40:04.02
IV.BRMO.HHN. ML:1.2 0.0000911 0.08 AML other m 2020-02-03T15:40:06.43
IV.BRMO.HHE. ML:1.1 0.000079 0.62 AML other m 2020-02-03T15:40:06.43
IV.MABI.HHN. ML:0.8 0.0000162 1.46 AML other m 2020-02-03T15:40:15.94
IV.MABI.HHE. ML:0.8 0.00001365 0.64 AML other m 2020-02-03T15:40:17.96
ST.CARE.HNN. ML:1.4 0.00023435955 0.3072 AML other m 2020-02-03T15:40:03.53
ST.CARE.HNE. ML:1.4 0.00024178060000000002 0.1024 AML other m 2020-02-03T15:40:03.40
IV.APPI.EHE. ML:1.0 0.000035082259 1.3824 AML other m 2020-02-03T15:40:10.79
IV.APPI.EHN. ML:1.1 0.000039354479999999996 1.2416 AML other m 2020-02-03T15:40:11.62
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