Earthquake with magnitude of ML 1.5 on date 04-02-2021 and time 23:44:41 (Italy) in region 3 km N Simbario (VV)

A magnitude ML 1.5 earthquake occured in region: 3 km N Simbario (VV), on

  • 04-02-2021 22:44:41 (UTC)
  • 04-02-2021 23:44:41 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.6360, 16.3290 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Simbario VV 3 966 966
Vallelonga VV 3 706 1672
Spadola VV 4 825 2497
Brognaturo VV 4 735 3232
Torre di Ruggiero CZ 4 1033 4265
San Nicola da Crissa VV 5 1335 5600
Cardinale CZ 5 2188 7788
Serra San Bruno VV 7 6734 14522
Pizzoni VV 7 1143 15665
Capistrano VV 7 1042 16707
Vazzano VV 7 1067 17774
Chiaravalle Centrale CZ 9 5759 23533
Soriano Calabro VV 10 2421 25954
Sorianello VV 10 1176 27130
Filogaso VV 10 1417 28547
Monterosso Calabro VV 10 1729 30276
Argusto CZ 11 522 30798
Gerocarne VV 11 2248 33046
San Vito sullo Ionio CZ 11 1811 34857
Cenadi CZ 12 563 35420
Gagliato CZ 13 505 35925
Olivadi CZ 13 529 36454
Polia VV 13 1023 37477
Arena VV 13 1456 38933
Mongiana VV 14 740 39673
Centrache CZ 14 401 40074
San Sostene CZ 14 1370 41444
Davoli CZ 14 5607 47051
Dasà VV 14 1208 48259
Satriano CZ 14 3448 51707
Maierato VV 14 2188 53895
Petrizzi CZ 15 1131 55026
Acquaro VV 15 2484 57510
Palermiti CZ 17 1213 58723
Francavilla Angitola VV 17 1939 60662
Filadelfia VV 17 5384 66046
Fabrizia VV 17 2195 68241
Isca sullo Ionio CZ 17 1633 69874
Sant'Andrea Apostolo dello Ionio CZ 17 1937 71811
Sant'Onofrio VV 18 3067 74878
Montepaone CZ 18 5282 80160
Nardodipace VV 18 1305 81465
Stefanaconi VV 18 2494 83959
Pizzo VV 18 9278 93237
Badolato CZ 19 3085 96322
Dinami VV 20 2168 98490
Gasperina CZ 20 2160 100650
San Gregorio d'Ippona VV 20 2527 103177
Vallefiorita CZ 20 1771 104948
Francica VV 20 1651 106599

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km S of Lamezia Terme (70714 inhabitants)
38 Km SW of Catanzaro (90612 inhabitants)
74 Km S of Cosenza (67546 inhabitants)
83 Km NE of Messina (238439 inhabitants)
84 Km NE of Reggio di Calabria (183035 inhabitants)
85 Km SW of Crotone (62178 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 1.5 2021-02-04
22:44:41
38.6358 16.3292 10 2021-07-12
16:55:01
Bollettino Sismico Italiano INGV 87964031
Reviewed
Rev100
ML 1.6 2021-02-04
22:44:41
38.6342 16.3145 10 2021-02-04
22:50:40
Sala Sismica INGV-Roma 86838031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-04 22:44:41 ± 0.1
Latitude 38.6358 ± 0.0045
Longitude 16.3292 ± 0.0104
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 87964031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 874
Semi-minor axis of confidence ellipse (meter) 323
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 112
Circular confidence region, given by single value of horizontal uncertainty (meter) 870.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 120
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.19965
Epicentral distance of station farthest from the epicenter (degree) 1.16372
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 17
Type of magnitude ML
Reference to an origin 87964031
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-03-22 14:35:06

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 86838031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-04 22:50:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CET2.HHZ. 2021-02-04T22:45:12.77 0.6 undecidable manual S 342 104.2179 50 0.96 32
IV.CELI.HHZ. 2021-02-04T22:45:07.89 0.6 undecidable manual S 10 86.4468 50 0.81 36
IV.GRIS.HNE. 2021-02-04T22:45:03.19 0.6 undecidable manual P 342 129.1707 50 0.4 38
IV.SPS2.HHZ. 2021-02-04T22:45:03.43 0.6 undecidable manual S 1 72.6717 50 0.03 46
MN.TIP.HHN. 2021-02-04T22:45:02.88 0.6 undecidable manual S 31 70.7736 50 -0.01 46
IV.SOI.EHZ. 2021-02-04T22:45:01.56 0.6 undecidable manual S 201 66.7776 50 -0.28 44
IV.CET2.HHZ. 2021-02-04T22:44:59.08 0.3 undecidable manual P 342 104.2179 50 0.15 63
IV.PIPA.HHZ. 2021-02-04T22:44:59.48 0.3 undecidable manual P 24 103.119 50 0.71 54
IV.SERS.HNN. 2021-02-04T22:44:58.14 0.6 undecidable manual S 35 54.2013 50 -0.32 45
MN.CEL.HHZ. 2021-02-04T22:44:58.95 0.6 undecidable manual S 222 56.2992 50 -0.06 47
IV.MPNC.HHZ. 2021-02-04T22:44:57.90 0.3 undecidable manual P 238 100.7214 50 -0.5 59
IV.CELI.HHZ. 2021-02-04T22:44:56.19 0.3 undecidable manual P 10 86.4468 50 -0.01 67
IV.SELL.HHZ. 2021-02-04T22:44:56.26 0.6 undecidable manual S 34 46.4202 50 -0.12 47
IV.GIZZ.HHZ. 2021-02-04T22:44:55.05 0.6 undecidable manual S 345 39.627 50 0.48 44
IV.SPS2.HHZ. 2021-02-04T22:44:54.20 0.6 undecidable manual P 1 72.6717 50 0.13 45
MN.TIP.HHN. 2021-02-04T22:44:53.31 0.1 undecidable manual P 31 70.7736 50 -0.47 84
IV.JOPP.HHZ. 2021-02-04T22:44:53.94 0.6 undecidable manual S 265 38.628 50 -0.36 45
IV.SOI.EHZ. 2021-02-04T22:44:53.68 0.3 undecidable manual P 201 66.7776 50 0.51 63
MN.CEL.HHZ. 2021-02-04T22:44:51.12 0.3 undecidable manual P 222 56.2992 50 -0.42 65
IV.FERC.HNE. 2021-02-04T22:44:51.55 0.6 undecidable manual S 221 26.751 50 0.4 46
IV.SERS.HNN. 2021-02-04T22:44:50.82 0.1 undecidable manual P 35 54.2013 50 -0.4 88
IV.PLAC.HHZ. 2021-02-04T22:44:50.31 0.3 undecidable manual S 155 22.755 114 0.35 70
IV.GIZZ.HHZ. 2021-02-04T22:44:49.10 0.3 undecidable manual P 345 39.627 50 0.13 71
IV.SELL.HHZ. 2021-02-04T22:44:49.69 0.1 undecidable manual P 34 46.4202 50 -0.33 90
IV.GRI.EHZ. 2021-02-04T22:44:49.51 0.3 undecidable manual S 21 22.1556 115 -0.26 72
IV.JOPP.HHZ. 2021-02-04T22:44:48.56 0.1 positive manual P 265 38.628 50 -0.25 93
IV.FERC.HNE. 2021-02-04T22:44:47.00 0.3 undecidable manual P 221 26.751 50 0 75
IV.PLAC.HHZ. 2021-02-04T22:44:46.51 0.1 negative manual P 155 22.755 114 0.19 97
IV.GRI.EHZ. 2021-02-04T22:44:46.16 0.1 positive manual P 21 22.1556 115 -0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GRI.EHE. ML:2.0 0.0007325 0.24 AML other m 2021-02-04T22:44:49.92
IV.GRI.EHN. ML:1.9 0.0005600000000000001 0.28 AML other m 2021-02-04T22:44:49.74
IV.PLAC.HNN. ML:1.7 0.00031 0.16 AML other m 2021-02-04T22:44:50.84
IV.PLAC.HHN. ML:1.7 0.00031800000000000003 0.72 AML other m 2021-02-04T22:44:50.80
IV.PLAC.HNE. ML:1.7 0.000312 0.72 AML other m 2021-02-04T22:44:50.81
IV.PLAC.HHE. ML:1.7 0.0003345 0.16 AML other m 2021-02-04T22:44:50.76
IV.JOPP.HHE. ML:1.5 0.00011947384999999999 0.448 AML other m 2021-02-04T22:44:54.46
IV.JOPP.HHN. ML:1.3 0.000073661655 0.6016 AML other m 2021-02-04T22:44:54.53
IV.SELL.HHN. ML:0.8 0.000022150135000000002 0.4992 AML other m 2021-02-04T22:44:56.54
IV.SELL.HNE. ML:1.7 0.00015085084999999997 1.0496 AML other m 2021-02-04T22:44:56.68
IV.SELL.HHE. ML:1.1 0.000034713405000000006 0.448 AML other m 2021-02-04T22:44:56.68
MN.CEL.HHN. ML:1.4 0.00005025362 0.1408 AML other m 2021-02-04T22:44:59.53
MN.CEL.HHE. ML:1.7 0.00011235000000000001 0.62 AML other m 2021-02-04T22:44:59.58
MN.CEL.HNE. ML:1.7 0.00011539945 0.6272 AML other m 2021-02-04T22:44:59.28
IV.SPS2.HHN. ML:0.8 0.000010393829999999999 0.8704 AML other m 2021-02-04T22:45:03.84
IV.SPS2.HHE. ML:0.8 0.000012401245 0.4224 AML other m 2021-02-04T22:45:04.54
IV.CELI.HHE. ML:0.9 0.000011909731 0.7296 AML other m 2021-02-04T22:45:08.08
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