Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.6 on date 07-05-2020 and time 04:51:25 (UTC) in region 2 km W Grosotto (SO)

A magnitude ML 0.6 earthquake occured in region: 2 km W Grosotto (SO), on

  • 07-05-2020 04:51:25 (UTC)
  • 07-05-2020 06:51:25 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.2780, 10.2280 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
Grosotto SO 2 1622 1622
Vervio SO 3 217 1839
Mazzo di Valtellina SO 3 1022 2861
Tovo di Sant'Agata SO 4 628 3489
Grosio SO 4 4443 7932
Lovero SO 5 661 8593
Sernio SO 6 486 9079
Tirano SO 8 9130 18209
Sondalo SO 10 4136 22345
Villa di Tirano SO 11 3000 25345
Monno BS 11 555 25900
Incudine BS 12 385 26285
Corteno Golgi BS 12 1976 28261
Bianzone SO 14 1285 29546
Edolo BS 14 4572 34118
Vezza d'Oglio BS 14 1457 35575
Aprica SO 15 1588 37163
Sonico BS 16 1264 38427
Teglio SO 17 4540 42967
Vione BS 17 691 43658
Malonno BS 19 3261 46919
Temù BS 19 1105 48024
Valdisotto SO 20 3556 51580

Municipalities with at least 50000 inhabitants

An earthquake occurred to
73 Km W of Trento (117317 inhabitants)
78 Km NE of Bergamo (119381 inhabitants)
82 Km N of Brescia (196480 inhabitants)
90 Km W of Bolzano (106441 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 0.6 2020-05-07
04:51:25		 46.278 10.2282 10 2020-11-19
12:36:46		 Bollettino Sismico Italiano INGV 79651921
Reviewed
Rev100 		ML 0.6 2020-05-07
04:51:25		 46.2595 10.2363 4 2020-05-07
04:58:34		 Sala Sismica INGV-Roma 78908601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-07 04:51:25 ± 0.09
Latitude 46.2780 ± 0.0045
Longitude 10.2282 ± 0.0065
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 79651921

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 450
Semi-minor axis of confidence ellipse (meter) 429
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 75
Circular confidence region, given by single value of horizontal uncertainty (meter) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 77
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.89572
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 79651921
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-05-28 09:59:27

ML:0.6

Field Value
Value 0.6
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 78908601
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-07 04:58:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RIBO.EHZ.01 2020-05-07T04:53:09.67 3.0 undecidable manual Sg 15.65 0
IV.PZUN.HHZ. 2020-05-07T04:53:05.46 3.0 negative manual Pn 2.27 0
IV.PTRJ.HNZ. 2020-05-07T04:53:05.24 3.0 undecidable manual Pg 17.49 0
IV.ROSPO.HHZ. 2020-05-07T04:53:00.17 3.0 negative manual Pg 20.01 0
IV.SENA.HHZ. 2020-05-07T04:52:59.19 3.0 undecidable manual Pg 10.14 0
IV.FRON.EHZ. 2020-05-07T04:52:48.72 3.0 undecidable manual Sn -2.25 0
GU.ENR.HHZ. 2020-05-07T04:52:43.76 3.0 undecidable manual Sn 0.07 0
IV.VIVA.HHZ. 2020-05-07T04:52:29.81 3.0 positive manual Pn -5.29 0
GU.ROTM.HHZ. 2020-05-07T04:52:22.40 3.0 undecidable manual Sg 0.99 0
GU.ROTM.HHZ. 2020-05-07T04:52:00.79 3.0 undecidable manual Pg 4.43 0
GU.CANO.HHZ. 2020-05-07T04:51:59.70 3.0 positive manual Pn -4.1 0
CH.MUGIO.HHN. 2020-05-07T04:51:42.58 0.1 undecidable manual P 247 99.4227 50 -0.06 88
ST.RONC.EHZ. 2020-05-07T04:51:40.14 0.3 undecidable manual S 137 44.8218 50 -0.33 69
SI.MOSI.HHE. 2020-05-07T04:51:40.89 0.6 undecidable manual S 33 44.8218 50 0.42 45
MN.TUE.HHZ. 2020-05-07T04:51:38.23 0.6 undecidable manual P 288 70.7736 50 0.01 47
IV.MDI.HHE. 2020-05-07T04:51:38.09 0.1 undecidable manual P 215 68.7756 50 0.17 92
ST.CARE.EHZ. 2020-05-07T04:51:38.96 0.3 undecidable manual S 65 39.2274 50 -0.01 75
CH.FUORN.HHE. 2020-05-07T04:51:38.42 0.6 undecidable manual S 4 38.0286 50 -0.23 48
SI.LUSI.HHZ. 2020-05-07T04:51:37.36 0.6 undecidable manual P 122 65.3901 50 -0.04 47
ST.GAGG.HHE. 2020-05-07T04:51:36.63 0.6 undecidable manual P 111 60.0954 50 0.05 48
IV.MABI.HHZ. 2020-05-07T04:51:36.79 0.6 undecidable manual S 138 33.0447 50 -0.54 45
CH.DAVOX.HHE. 2020-05-07T04:51:36.31 0.6 undecidable manual P 335 61.7937 50 -0.52 43
IV.BRMO.HHZ. 2020-05-07T04:51:34.74 0.3 undecidable manual S 27 24.5532 111 -0.13 75
IV.BORM.HNZ. 2020-05-07T04:51:34.52 0.3 undecidable manual S 28 24.0537 112 -0.19 74
ST.RONC.EHZ. 2020-05-07T04:51:34.49 0.6 undecidable manual P 137 44.8218 50 0.26 47
SI.MOSI.HHE. 2020-05-07T04:51:34.57 0.6 undecidable manual P 33 44.8218 50 0.34 46
ST.CARE.EHZ. 2020-05-07T04:51:33.58 0.6 undecidable manual P 65 39.2274 50 0.21 48
CH.FUORN.HHE. 2020-05-07T04:51:33.26 0.6 undecidable manual P 4 38.0286 50 0.08 49
CH.BERNI.HHZ. 2020-05-07T04:51:33.24 1.0 undecidable manual S 314 21.7671 114 -0.72 21
IV.MABI.HHZ. 2020-05-07T04:51:32.66 0.3 undecidable manual P 138 33.0447 50 0.24 72
IV.BRMO.HHZ. 2020-05-07T04:51:31.32 0.6 undecidable manual P 27 24.5532 111 0.32 48
CH.BERNI.HHZ. 2020-05-07T04:51:30.63 0.1 undecidable manual P 314 21.7671 114 0.16 100
IV.BORM.HNZ. 2020-05-07T04:51:30.94 1.0 undecidable manual P 28 24.0537 112 0.03 26
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
CH.BERNI.HHE. ML:0.7 0.00003495 0.08 AML other m 2020-05-07T04:51:33.59
CH.BERNI.HHN. ML:0.6 0.000032 0.52 AML other m 2020-05-07T04:51:33.60
IV.BRMO.HHE. ML:0.4 0.000013518100000000002 0.1824 AML other m 2020-05-07T04:51:35.26
IV.BRMO.HHN. ML:0.2 0.000011737193 0.1024 AML other m 2020-05-07T04:51:35.25
IV.MABI.HHN. ML:0.5 0.00001503643 0.08 AML other m 2020-05-07T04:51:36.66
IV.MABI.HHE. ML:0.4 0.000008956352000000002 0.0768 AML other m 2020-05-07T04:51:37.19
ST.CARE.EHN. ML:0.6 0.000014937502499999997 0.3392 AML other m 2020-05-07T04:51:39.56
ST.CARE.EHE. ML:0.8 0.000017747505 0.1792 AML other m 2020-05-07T04:51:40.37
ST.RONC.EHN. ML:1.0 0.000030303080000000003 0.1408 AML other m 2020-05-07T04:51:41.29
ST.RONC.EHE. ML:0.9 0.000024676755 0.1408 AML other m 2020-05-07T04:51:41.53
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