Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 05-04-2021 and time 02:54:27 (Italy) in region 2 km W Vazzano (VV)

A magnitude ML 1.3 earthquake occured in region: 2 km W Vazzano (VV), on

  • 05-04-2021 00:54:27 (UTC)
  • 05-04-2021 02:54:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.6330, 16.2200 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
Vazzano VV 2 1067 1067
Pizzoni VV 3 1143 2210
Soriano Calabro VV 4 2421 4631
Sorianello VV 5 1176 5807
Gerocarne VV 5 2248 8055
Filogaso VV 6 1417 9472
San Nicola da Crissa VV 7 1335 10807
Vallelonga VV 7 706 11513
Dasà VV 8 1208 12721
Arena VV 8 1456 14177
Maierato VV 9 2188 16365
Acquaro VV 9 2484 18849
Capistrano VV 9 1042 19891
Stefanaconi VV 9 2494 22385
Sant'Onofrio VV 10 3067 25452
San Gregorio d'Ippona VV 10 2527 27979
Francica VV 10 1651 29630
Simbario VV 11 966 30596
Spadola VV 11 825 31421
Brognaturo VV 11 735 32156
Monterosso Calabro VV 11 1729 33885
Serra San Bruno VV 11 6734 40619
Vibo Valentia VV 11 33941 74560
Pizzo VV 13 9278 83838
San Costantino Calabro VV 13 2239 86077
Dinami VV 13 2168 88245
Torre di Ruggiero CZ 14 1033 89278
Mileto VV 14 6763 96041
Ionadi VV 14 4238 100279
San Pietro di Caridà RC 14 1195 101474
Cardinale CZ 15 2188 103662
Polia VV 16 1023 104685
Mongiana VV 16 740 105425
Filandari VV 16 1853 107278
Serrata RC 17 845 108123
Francavilla Angitola VV 17 1939 110062
Cessaniti VV 17 3290 113352
Chiaravalle Centrale CZ 18 5759 119111
Fabrizia VV 18 2195 121306
Filadelfia VV 18 5384 126690
Candidoni RC 18 416 127106
San Vito sullo Ionio CZ 19 1811 128917
Briatico VV 19 4053 132970
Cenadi CZ 19 563 133533
San Calogero VV 19 4315 137848
Rombiolo VV 19 4569 142417
Argusto CZ 20 522 142939
Laureana di Borrello RC 20 5174 148113

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km S of Lamezia Terme (70714 inhabitants)
45 Km SW of Catanzaro (90612 inhabitants)
74 Km S of Cosenza (67546 inhabitants)
76 Km NE of Messina (238439 inhabitants)
77 Km NE of Reggio di Calabria (183035 inhabitants)
93 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 1.3 2021-04-05
00:54:27		 38.6328 16.2203 11 2021-07-12
16:55:11		 Bollettino Sismico Italiano INGV 90091711
Reviewed
Rev100 		ML 1.3 2021-04-05
00:54:27		 38.6288 16.2212 10 2021-04-05
01:07:10		 Sala Sismica INGV-Roma 88778701
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-04-05 00:54:27 ± 0.34
Latitude 38.6328 ± 0.0054
Longitude 16.2203 ± 0.0104
Depth (km) 11 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 90091711

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 920
Semi-minor axis of confidence ellipse (meter) 36
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 291
Circular confidence region, given by single value of horizontal uncertainty (meter) 920.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 95
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
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) 0.19425
Epicentral distance of station farthest from the epicenter (degree) 0.80130
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 90091711
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-14 13:29:21

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 88778701
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-04-05 01:07:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CELI.HHE. 2021-04-05T00:54:54.05 0.6 undecidable manual S 16 88.9443 50 0.54 40
IV.SPS2.HHZ. 2021-04-05T00:54:49.58 0.6 undecidable manual S 8 73.7706 50 0.13 45
IV.SOI.EHE. 2021-04-05T00:54:47.33 0.6 undecidable manual S 193 63.6918 50 0.55 41
IV.SERS.HHE. 2021-04-05T00:54:46.06 0.6 undecidable manual S 42 60.2952 50 0.19 45
IV.CELI.HHE. 2021-04-05T00:54:42.58 0.1 undecidable manual P 16 88.9443 50 0.19 86
IV.SPS2.HHZ. 2021-04-05T00:54:40.69 0.3 undecidable manual P 8 73.7706 50 0.64 59
IV.GIZZ.HHZ. 2021-04-05T00:54:39.66 0.6 undecidable manual S 358 38.5281 50 -0.39 45
IV.SOI.EHE. 2021-04-05T00:54:38.41 0.6 undecidable manual P 193 63.6918 50 -0.1 46
IV.SELL.HHE. 2021-04-05T00:54:37.55 0.3 undecidable manual P 42 52.4031 50 0.78 58
IV.JOPP.HHZ. 2021-04-05T00:54:37.26 0.6 undecidable manual S 264 29.1486 50 -0.29 47
IV.SERS.HHE. 2021-04-05T00:54:37.79 0.3 undecidable manual P 42 60.2952 50 -0.19 68
IV.GRI.EHZ. 2021-04-05T00:54:36.51 0.6 undecidable manual S 39 27.1506 50 -0.52 45
IV.PLAC.HHZ. 2021-04-05T00:54:36.96 0.6 undecidable manual S 137 27.75 50 -0.22 48
IV.FERC.HNZ. 2021-04-05T00:54:35.64 0.6 undecidable manual S 202 21.5673 50 0.13 49
IV.GIZZ.HHZ. 2021-04-05T00:54:34.26 0.3 undecidable manual P 358 38.5281 50 -0.36 68
IV.JOPP.HHZ. 2021-04-05T00:54:33.09 0.1 positive manual P 264 29.1486 50 -0.09 98
IV.GRI.EHZ. 2021-04-05T00:54:32.49 0.1 undecidable manual P 39 27.1506 50 -0.39 92
IV.PLAC.HHZ. 2021-04-05T00:54:32.79 0.1 undecidable manual P 137 27.75 50 -0.18 96
IV.FERC.HNZ. 2021-04-05T00:54:32.05 0.1 undecidable manual P 202 21.5673 50 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GRI.EHE. ML:1.0 0.000052174745000000004 0.28 AML other m 2021-04-05T00:54:36.97
IV.PLAC.HHE. ML:1.6 0.0001834041 0.2 AML other m 2021-04-05T00:54:37.63
IV.PLAC.HHN. ML:1.1 0.00006659976 0.16 AML other m 2021-04-05T00:54:37.74
IV.JOPP.HHN. ML:1.6 0.00020983478999999998 0.34 AML other m 2021-04-05T00:54:37.70
IV.PLAC.HNN. ML:1.5 0.00017080375 0.22 AML other m 2021-04-05T00:54:37.63
IV.JOPP.HHE. ML:1.4 0.00013119955 1.92 AML other m 2021-04-05T00:54:38.00
IV.PLAC.HNE. ML:1.2 0.00009166563999999999 1.44 AML other m 2021-04-05T00:54:38.02
IV.GRI.EHN. ML:1.0 0.000048008955 0.24 AML other m 2021-04-05T00:54:40.36
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