Earthquake with magnitude of ML 0.5 on date 21-07-2021 and time 21:17:55 (Italy) in region Lovero (SO)

A magnitude ML 0.5 earthquake occured in region: Lovero (SO), on

  • 21-07-2021 19:17:55 (UTC)
  • 21-07-2021 21:17:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.2290, 10.2290 at 8 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Lovero SO 0 661 661
Sernio SO 2 486 1147
Tovo di Sant'Agata SO 2 628 1775
Vervio SO 3 217 1992
Mazzo di Valtellina SO 4 1022 3014
Tirano SO 4 9130 12144
Grosotto SO 6 1622 13766
Corteno Golgi BS 7 1976 15742
Villa di Tirano SO 8 3000 18742
Grosio SO 9 4443 23185
Monno BS 9 555 23740
Incudine BS 10 385 24125
Aprica SO 10 1588 25713
Edolo BS 10 4572 30285
Bianzone SO 10 1285 31570
Sonico BS 12 1264 32834
Vezza d'Oglio BS 13 1457 34291
Sondalo SO 14 4136 38427
Malonno BS 14 3261 41688
Teglio SO 14 4540 46228
Vione BS 17 691 46919
Berzo Demo BS 17 1671 48590
Paisco Loveno BS 17 183 48773
Castello dell'Acqua SO 19 622 49395
Temù BS 19 1105 50500
Cedegolo BS 19 1223 51723
Chiuro SO 20 2534 54257
Sellero BS 20 1466 55723
Cevo BS 20 898 56621

Municipalities with at least 50000 inhabitants

An earthquake occurred to
71 Km W of Trento (117317 inhabitants)
73 Km NE of Bergamo (119381 inhabitants)
77 Km N of Brescia (196480 inhabitants)
92 Km W of Bolzano (106441 inhabitants)
100 Km E of Como (84495 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 0.5 2021-07-21
19:17:55
46.2287 10.2287 8 2021-12-29
11:12:20
Bollettino Sismico Italiano INGV 94068361
Reviewed
Rev100
ML 0.5 2021-07-21
19:17:55
46.2275 10.2317 8 2021-07-21
19:28:06
Sala Sismica INGV-Roma 93031231
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-07-21 19:17:55 ± 0.22
Latitude 46.2287 ± 0.0099
Longitude 10.2287 ± 0.0195
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 94068361

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1698
Semi-minor axis of confidence ellipse (meter) 233
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 239
Circular confidence region, given by single value of horizontal uncertainty (meter) 1700.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 191
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.41
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.60165
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 93031231
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-07-21 19:28:06

ML:0.5

Field Value
Value 0.5
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 94068361
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-08-13 08:23:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IX.SCL3.EHZ.02 2021-07-21T19:19:30.54 3.0 negative manual Pn -3.28 0
IV.COR1.EHZ. 2021-07-21T19:19:23.73 3.0 undecidable manual Sn -4.29 0
MN.TRI.HHZ. 2021-07-21T19:19:21.72 3.0 undecidable manual Sg 7.23 0
IV.LMD.HHZ. 2021-07-21T19:19:05.39 3.0 undecidable manual Sg -0.02 0
IV.FOSV.EHZ. 2021-07-21T19:18:57.95 3.0 undecidable manual Pg 9.57 0
IV.FIR.HHZ. 2021-07-21T19:18:39.09 3.0 undecidable manual Pg 3.99 0
GU.RNCA.HHZ. 2021-07-21T19:18:23.20 3.0 negative manual Pn -0.82 0
SI.MOSI.HHE. 2021-07-21T19:18:11.92 1.0 undecidable manual S 30 49.5171 50 0.39 23
CH.FUORN.HHE. 2021-07-21T19:18:09.24 0.3 undecidable manual S 3 43.5231 50 -0.69 62
ST.RONC.EHZ. 2021-07-21T19:18:08.69 0.6 undecidable manual S 132 40.9257 50 -0.56 44
CH.DAVOX.HHZ. 2021-07-21T19:18:07.37 0.6 undecidable manual P 337 66.7776 50 0.12 46
IV.MABI.HHZ. 2021-07-21T19:18:05.07 0.3 undecidable manual S 131 29.1486 105 -0.49 69
IV.BRMO.HHZ. 2021-07-21T19:18:05.54 0.3 undecidable manual S 22 29.5482 104 -0.16 74
SI.MOSI.HHE. 2021-07-21T19:18:04.40 0.3 undecidable manual P 30 49.5171 50 -0.19 71
CH.FUORN.HHE. 2021-07-21T19:18:04.32 0.1 undecidable manual P 3 43.5231 50 0.66 84
CH.BERNI.HHZ. 2021-07-21T19:18:03.87 0.3 undecidable manual S 323 25.8519 106 -0.59 67
ST.RONC.EHZ. 2021-07-21T19:18:03.73 0.6 undecidable manual P 132 40.9257 50 0.46 45
IV.MABI.HHZ. 2021-07-21T19:18:01.45 0.3 negative manual P 131 29.1486 105 0.31 71
IV.BRMO.HHZ. 2021-07-21T19:18:01.63 0.1 undecidable manual P 22 29.5482 104 0.42 93
CH.BERNI.HHZ. 2021-07-21T19:18:00.61 0.1 undecidable manual P 323 25.8519 106 0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
CH.BERNI.HHE. ML:0.4 0.00001605 1.92 AML other m 2021-07-21T19:18:04.97
CH.BERNI.HHN. ML:0.4 0.0000141 0.66 AML other m 2021-07-21T19:18:04.34
IV.MABI.HHN. ML:0.7 0.000027450000000000003 0.24 AML other m 2021-07-21T19:18:05.23
IV.MABI.HHE. ML:0.8 0.00003635 0.24 AML other m 2021-07-21T19:18:05.29
IV.BRMO.HHE. ML:0.3 0.000012149999999999999 0.08 AML other m 2021-07-21T19:18:05.68
IV.BRMO.HHN. ML:0.3 0.00001235 1.82 AML other m 2021-07-21T19:18:05.07
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