Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 18-10-2021 and time 14:04:12 (Italy) in region 5 km E Francica (VV)

A magnitude ML 1.4 earthquake occured in region: 5 km E Francica (VV), on

  • 18-10-2021 12:04:12 (UTC)
  • 18-10-2021 14:04:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.6180, 16.1630 at 9 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
Francica VV 5 1651 1651
San Gregorio d'Ippona VV 6 2527 4178
Gerocarne VV 6 2248 6426
Soriano Calabro VV 6 2421 8847
Dasà VV 6 1208 10055
Sorianello VV 7 1176 11231
Acquaro VV 7 2484 13715
Arena VV 7 1456 15171
Stefanaconi VV 7 2494 17665
Vazzano VV 8 1067 18732
Pizzoni VV 8 1143 19875
San Costantino Calabro VV 8 2239 22114
Vibo Valentia VV 9 33941 56055
Mileto VV 9 6763 62818
Sant'Onofrio VV 9 3067 65885
Filogaso VV 9 1417 67302
Ionadi VV 9 4238 71540
Dinami VV 10 2168 73708
Maierato VV 10 2188 75896
San Pietro di Caridà RC 11 1195 77091
Filandari VV 11 1853 78944
San Nicola da Crissa VV 12 1335 80279
Vallelonga VV 12 706 80985
Cessaniti VV 13 3290 84275
Serrata RC 13 845 85120
Pizzo VV 13 9278 94398
Capistrano VV 14 1042 95440
San Calogero VV 14 4315 99755
Rombiolo VV 14 4569 104324
Candidoni RC 14 416 104740
Serra San Bruno VV 15 6734 111474
Spadola VV 15 825 112299
Simbario VV 15 966 113265
Monterosso Calabro VV 16 1729 114994
Laureana di Borrello RC 16 5174 120168
Brognaturo VV 16 735 120903
Zungri VV 16 1976 122879
Briatico VV 16 4053 126932
Zambrone VV 18 1775 128707
Mongiana VV 18 740 129447
Galatro RC 18 1709 131156
Limbadi VV 19 3695 134851
Feroleto della Chiesa RC 19 1695 136546
Torre di Ruggiero CZ 19 1033 137579
Fabrizia VV 19 2195 139774
Cardinale CZ 20 2188 141962
Giffone RC 20 1907 143869
Polia VV 20 1023 144892

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km SW of Lamezia Terme (70714 inhabitants)
49 Km SW of Catanzaro (90612 inhabitants)
71 Km NE of Messina (238439 inhabitants)
72 Km NE of Reggio di Calabria (183035 inhabitants)
76 Km S of Cosenza (67546 inhabitants)
98 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 1.4 2021-10-18
12:04:12		 38.6175 16.1627 9 2022-03-30
13:04:12		 Bollettino Sismico Italiano INGV 96838411
Reviewed
Rev100 		ML 1.6 2021-10-18
12:04:12		 38.6165 16.166 9 2021-10-18
12:13:46		 Sala Sismica INGV-Roma 96724891
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-10-18 12:04:12 ± 0.12
Latitude 38.6175 ± 0.0072
Longitude 16.1627 ± 0.0092
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 96838411

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 776
Semi-minor axis of confidence ellipse (meter) 733
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) 780.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 83
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.92450
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 96838411
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-16 14:14:08

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 96724891
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-10-18 12:13:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PP3.EHZ. 2021-10-18T12:05:39.24 3.0 negative manual Pg 9.52 0
IV.MF5.EHZ. 2021-10-18T12:05:29.89 3.0 negative manual Pn 4.38 0
IV.ISPIC.EHZ. 2021-10-18T12:05:20.28 3.0 undecidable manual Sg 3.04 0
IV.COLB.HHZ. 2021-10-18T12:04:57.22 3.0 undecidable manual Pn 0.83 0
IV.ISPIC.EHZ. 2021-10-18T12:04:48.56 3.0 negative manual Pn -0.23 0
IV.CET2.HHE. 2021-10-18T12:04:42.16 0.6 undecidable manual S 350 102.6195 50 -0.73 36
IV.CAR1.HHZ. 2021-10-18T12:04:34.13 0.6 undecidable manual S 3 70.6737 50 -0.22 45
IV.SERS.HHE. 2021-10-18T12:04:33.39 0.6 undecidable manual S 44 64.9905 50 0.57 41
IV.SELL.HHE. 2021-10-18T12:04:31.41 0.6 undecidable manual S 45 57.0984 50 0.68 40
IV.SOI.EHZ. 2021-10-18T12:04:31.83 0.6 undecidable manual S 189 61.0944 50 0.03 47
IV.CET2.HHE. 2021-10-18T12:04:29.68 0.3 undecidable manual P 350 102.6195 50 -0.38 61
IV.CAR1.HHZ. 2021-10-18T12:04:25.10 0.3 undecidable manual P 3 70.6737 50 -0.03 69
IV.SERS.HHE. 2021-10-18T12:04:24.28 0.3 undecidable manual P 44 64.9905 50 0.03 70
IV.SOI.EHZ. 2021-10-18T12:04:23.35 0.3 undecidable manual P 189 61.0944 50 -0.31 67
IV.SELL.HHE. 2021-10-18T12:04:23.53 0.3 undecidable manual P 45 57.0984 50 0.49 65
IV.PLAC.HHZ. 2021-10-18T12:04:22.88 0.6 undecidable manual S 128 30.3474 106 -0.64 43
IV.JOPP.HHZ. 2021-10-18T12:04:21.44 0.6 undecidable manual S 267 24.0537 110 -0.01 51
IV.FERC.HHZ.00 2021-10-18T12:04:20.19 0.6 undecidable manual S 189 18.5703 116 0.51 46
IV.PLAC.HHZ. 2021-10-18T12:04:18.53 0.1 undecidable manual P 128 30.3474 106 -0.35 93
IV.JOPP.HHZ. 2021-10-18T12:04:17.75 0.1 negative manual P 267 24.0537 110 0.06 100
IV.FERC.HHZ.00 2021-10-18T12:04:16.95 0.1 negative manual P 189 18.5703 116 0.28 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.JOPP.HHE. ML:1.3 0.00011965707 0.3008 AML other m 2021-10-18T12:04:21.62
IV.JOPP.HNN. ML:1.6 0.00027100000000000003 0.18 AML other m 2021-10-18T12:04:21.62
IV.JOPP.HHN. ML:1.7 0.00029800000000000003 0.72 AML other m 2021-10-18T12:04:21.62
IV.JOPP.HNE. ML:1.5 0.00018535275000000002 0.384 AML other m 2021-10-18T12:04:21.53
IV.PLAC.HHE. ML:1.2 0.000080823595 0.3008 AML other m 2021-10-18T12:04:23.15
IV.PLAC.HHN. ML:1.6 0.00019148985000000003 0.3776 AML other m 2021-10-18T12:04:23.11
IV.PLAC.HNN. ML:1.5 0.00016325404999999998 0.3904 AML other m 2021-10-18T12:04:23.11
IV.PLAC.HNE. ML:1.5 0.000147763375 0.5696 AML other m 2021-10-18T12:04:23.51
IV.SOI.EHN. ML:1.2 0.00003205375 0.5824 AML other m 2021-10-18T12:04:32.12
IV.SOI.EHE. ML:1.1 0.000023613573000000003 0.3968 AML other m 2021-10-18T12:04:32.36
IV.CAR1.HHE. ML:1.3 0.00003029656 0.3584 AML other m 2021-10-18T12:04:34.54
IV.CAR1.HHN. ML:1.6 0.00007094098 0.4608 AML other m 2021-10-18T12:04:35.24
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