Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 07-08-2021 and time 18:44:02 (Italy) in region 3 km E San Calogero (VV)

A magnitude ML 1.4 earthquake occured in region: 3 km E San Calogero (VV), on

  • 07-08-2021 16:44:02 (UTC)
  • 07-08-2021 18:44:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.5700, 16.0510 at 14 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
San Calogero VV 3 4315 4315
Mileto VV 4 6763 11078
Rombiolo VV 5 4569 15647
Filandari VV 5 1853 17500
Ionadi VV 7 4238 21738
Francica VV 7 1651 23389
San Costantino Calabro VV 7 2239 25628
Limbadi VV 8 3695 29323
Serrata RC 8 845 30168
Candidoni RC 8 416 30584
San Pietro di Caridà RC 9 1195 31779
Laureana di Borrello RC 9 5174 36953
San Gregorio d'Ippona VV 9 2527 39480
Dinami VV 10 2168 41648
Nicotera VV 11 6290 47938
Cessaniti VV 11 3290 51228
Rosarno RC 11 14841 66069
Zungri VV 11 1976 68045
Feroleto della Chiesa RC 12 1695 69740
Acquaro VV 12 2484 72224
Dasà VV 13 1208 73432
Vibo Valentia VV 13 33941 107373
Galatro RC 13 1709 109082
Joppolo VV 13 1926 111008
Stefanaconi VV 14 2494 113502
Arena VV 14 1456 114958
Spilinga VV 14 1464 116422
Maropati RC 15 1524 117946
Zaccanopoli VV 15 752 118698
Gerocarne VV 15 2248 120946
Anoia RC 15 2212 123158
Melicucco RC 15 5101 128259
San Ferdinando RC 15 4490 132749
Zambrone VV 15 1775 134524
Soriano Calabro VV 16 2421 136945
Sorianello VV 16 1176 138121
Drapia VV 16 2085 140206
Sant'Onofrio VV 16 3067 143273
Parghelia VV 17 1300 144573
Giffone RC 17 1907 146480
Ricadi VV 17 4900 151380
Briatico VV 17 4053 155433
Cinquefrondi RC 18 6539 161972
Tropea VV 18 6441 168413
Polistena RC 18 10496 178909
Pizzoni VV 18 1143 180052
Vazzano VV 19 1067 181119
Rizziconi RC 19 7829 188948
Maierato VV 20 2188 191136

Municipalities with at least 50000 inhabitants

An earthquake occurred to
51 Km SW of Lamezia Terme (70714 inhabitants)
60 Km NE of Messina (238439 inhabitants)
60 Km SW of Catanzaro (90612 inhabitants)
62 Km NE of Reggio di Calabria (183035 inhabitants)
82 Km S of Cosenza (67546 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 1.4 2021-08-07
16:44:02		 38.5703 16.0507 14 2021-12-29
11:12:33		 Bollettino Sismico Italiano INGV 95985461
Reviewed
Rev100 		ML 1.4 2021-08-07
16:44:02		 38.5728 16.0458 15 2021-08-07
16:55:11		 Sala Sismica INGV-Roma 93808481
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-07 16:44:02 ± 0.13
Latitude 38.5703 ± 0.0072
Longitude 16.0507 ± 0.0092
Depth (km) 14 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 95985461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 780
Semi-minor axis of confidence ellipse (meter) 59
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 146
Circular confidence region, given by single value of horizontal uncertainty (meter) 780.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 70
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.96048
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 95985461
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-09-28 09:42:40

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 93808481
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-08-07 16:55:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.GSCL.HHZ. 2021-08-07T16:45:58.44 3.0 positive manual Pg 16.040001 0
IV.ZEN8.EHZ. 2021-08-07T16:45:56.36 3.0 undecidable manual Pn -0.24 0
IV.CADC.EHZ. 2021-08-07T16:45:55.37 3.0 undecidable manual Pn -2.12 0
IV.MSSA.HHZ. 2021-08-07T16:45:53.71 3.0 undecidable manual Pn 5.14 0
IV.ASQU.HHZ. 2021-08-07T16:45:47.48 3.0 undecidable manual Pg 17.969999 0
AC.VLO.HHZ. 2021-08-07T16:45:46.65 3.0 undecidable manual Sg 12.98 0
IV.NDIM.HHZ. 2021-08-07T16:45:44.31 3.0 negative manual Pn -2.57 0
IV.RIBO.EHZ.01 2021-08-07T16:45:38.58 3.0 positive manual Pg 14.23 0
IV.TST02.HHZ. 2021-08-07T16:45:32.95 3.0 undecidable manual Sn -7.02 0
IV.SACR.HNZ. 2021-08-07T16:45:24.90 3.0 undecidable manual Sn 0.06 0
IV.MURB.HHZ. 2021-08-07T16:45:18.95 3.0 undecidable manual Pn -0.56 0
IV.ARVD.HHZ. 2021-08-07T16:45:16.17 3.0 negative manual Pn -4.38 0
IV.VBKN.HHZ. 2021-08-07T16:45:13.62 3.0 undecidable manual Sn 0.01 0
IV.VULT.HHZ. 2021-08-07T16:45:11.14 3.0 undecidable manual Sn 0.01 0
IV.MMGO.HHZ. 2021-08-07T16:45:09.69 3.0 undecidable manual Sg 4.27 0
IV.INTR.HHZ. 2021-08-07T16:45:06.61 3.0 undecidable manual Pg 8.65 0
OT.OT14.EHZ. 2021-08-07T16:44:55.10 3.0 undecidable manual Pn 2.72 0
HL.VLS.HHZ. 2021-08-07T16:44:49.38 3.0 undecidable manual Pn -5.68 0
IX.PGN3.HHZ.02 2021-08-07T16:44:37.21 3.0 undecidable manual Pg 2.99 0
IV.RESU.HHZ. 2021-08-07T16:44:23.94 3.0 undecidable manual Pn -1.55 0
IV.CAGR.HHZ. 2021-08-07T16:44:22.96 3.0 undecidable manual Pn 1.46 0
IV.CET2.HHE. 2021-08-07T16:44:19.30 1.0 undecidable manual P 356 106.6155 92 -0.67 17
IV.SOI.EHZ. 2021-08-07T16:44:19.39 0.3 undecidable manual S 180 55.1004 95 0.07 67
IV.SICLA.EHZ. 2021-08-07T16:44:17.36 1.0 undecidable manual S 220 45.4212 96 0.61 20
IV.SERS.HNN. 2021-08-07T16:44:15.83 0.3 undecidable manual P 47 75.5688 93 0.64 59
IV.CAR1.HHZ. 2021-08-07T16:44:15.52 0.3 undecidable manual P 10 77.0673 93 0.11 66
IV.PLAC.HHZ. 2021-08-07T16:44:14.06 0.6 undecidable manual S 112 36.2415 98 -0.24 46
IV.MSRU.HHZ. 2021-08-07T16:44:12.47 1.0 undecidable manual P 234 58.0974 94 -0.04 23
IV.SOI.EHZ. 2021-08-07T16:44:11.62 0.1 undecidable manual P 180 55.1004 95 -0.43 86
IV.SICLA.EHZ. 2021-08-07T16:44:10.79 0.6 undecidable manual P 220 45.4212 96 0.23 45
IV.PLAC.HHZ. 2021-08-07T16:44:09.01 0.3 undecidable manual P 112 36.2415 98 -0.14 70
IV.GRI.EHZ. 2021-08-07T16:44:09.93 0.6 undecidable manual P 49 42.4242 96 -0.17 45
IV.FERC.HNZ. 2021-08-07T16:44:08.94 0.6 undecidable manual S 153 14.6742 122 0.12 48
IV.JOPP.HHZ. 2021-08-07T16:44:08.65 0.6 undecidable manual S 286 14.874 122 -0.21 48
IV.JOPP.HHZ. 2021-08-07T16:44:06.00 0.1 undecidable manual P 286 14.874 122 -0.01 99
IV.FERC.HNZ. 2021-08-07T16:44:05.96 0.1 undecidable manual P 153 14.6742 122 -0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.JOPP.HHE. ML:1.3 0.00016245434999999998 0.1536 AML other m 2021-08-07T16:44:08.78
IV.JOPP.HNN. ML:1.8 0.0005845000000000001 0.18 AML other m 2021-08-07T16:44:08.78
IV.JOPP.HHN. ML:1.9 0.000622 0.18 AML other m 2021-08-07T16:44:08.78
IV.JOPP.HNE. ML:1.7 0.00039150000000000003 0.14 AML other m 2021-08-07T16:44:08.89
IV.PLAC.HHE. ML:0.8 0.000024017745 1.1008 AML other m 2021-08-07T16:44:14.20
IV.PLAC.HHN. ML:1.5 0.00012524080500000002 0.256 AML other m 2021-08-07T16:44:15.81
IV.PLAC.HNN. ML:1.6 0.0001292042 0.256 AML other m 2021-08-07T16:44:15.82
IV.PLAC.HNE. ML:1.5 0.00011645268000000001 0.2304 AML other m 2021-08-07T16:44:15.81
IV.GRI.EHN. ML:1.0 0.000031741909999999996 0.2176 AML other m 2021-08-07T16:44:16.76
IV.GRI.EHE. ML:1.0 0.000037069119999999995 0.192 AML other m 2021-08-07T16:44:17.59
IV.SOI.EHE. ML:1.1 0.000032056395 0.2688 AML other m 2021-08-07T16:44:19.71
IV.MSRU.HHE. ML:1.6 0.000089632505 1.1168 AML other m 2021-08-07T16:44:20.56
IV.SOI.EHN. ML:1.2 0.00004215 1.42 AML other m 2021-08-07T16:44:20.95
IV.CAR1.HHE. ML:1.2 0.00002255 0.46 AML other m 2021-08-07T16:44:27.31
IV.CAR1.HNN. ML:1.7 0.000067681815 1.4752 AML other m 2021-08-07T16:44:27.90
IV.CAR1.HHN. ML:1.5 0.00004605 0.78 AML other m 2021-08-07T16:44:27.90
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