Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 07-01-2021 and time 05:32:18 (Italy) in region 4 km NW San Luca (RC)

A magnitude ML 1.8 earthquake occured in region: 4 km NW San Luca (RC), on

  • 07-01-2021 04:32:18 (UTC)
  • 07-01-2021 05:32:18 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.1740, 16.0430 at 46 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 Luca RC 4 3881 3881
Platì RC 5 3812 7693
Careri RC 7 2360 10053
Benestare RC 9 2556 12609
Casignana RC 9 759 13368
Sant'Agata del Bianco RC 10 592 13960
Caraffa del Bianco RC 10 539 14499
Samo RC 11 809 15308
Santa Cristina d'Aspromonte RC 11 929 16237
Ardore RC 11 5088 21325
Bovalino RC 12 8905 30230
Ciminà RC 12 568 30798
Scido RC 13 931 31729
Delianuova RC 13 3352 35081
Bianco RC 13 4273 39354
Sant'Ilario dello Ionio RC 14 1377 40731
Oppido Mamertina RC 14 5332 46063
Antonimina RC 15 1317 47380
Molochio RC 15 2564 49944
Cosoleto RC 15 859 50803
Portigliola RC 15 1201 52004
Ferruzzano RC 15 772 52776
Africo RC 16 3075 55851
Varapodio RC 17 2160 58011
Terranova Sappo Minulio RC 17 523 58534
Sinopoli RC 18 2089 60623
San Procopio RC 18 534 61157
Bruzzano Zeffirio RC 18 1111 62268
Roccaforte del Greco RC 19 476 62744
Gerace RC 19 2652 65396
Sant'Eufemia d'Aspromonte RC 19 4120 69516
Staiti RC 19 248 69764

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km E of Reggio di Calabria (183035 inhabitants)
43 Km E of Messina (238439 inhabitants)
92 Km S of Lamezia Terme (70714 inhabitants)
95 Km SW of Catanzaro (90612 inhabitants)
99 Km NE of Acireale (52622 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 1.8 2021-01-07
04:32:18		 38.1737 16.0432 46 2021-07-12
16:55:07		 Bollettino Sismico Italiano INGV 89291061
Reviewed
Rev100 		ML 1.9 2021-01-07
04:32:18		 38.1738 16.0647 44 2021-01-07
04:36:59		 Sala Sismica INGV-Roma 86063981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-07 04:32:18 ± 0.18
Latitude 38.1737 ± 0.0153
Longitude 16.0432 ± 0.0172
Depth (km) 46 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 89291061

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2052
Semi-minor axis of confidence ellipse (meter) 335
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 321
Circular confidence region, given by single value of horizontal uncertainty (meter) 2050.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 127
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.10072
Epicentral distance of station farthest from the epicenter (degree) 1.23927
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 89291061
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-06 22:04:34

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 86063981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-07 04:36:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HLNI.HHZ. 2021-01-07T04:32:55.13 0.6 undecidable manual S 229 137.5623 95 -0.62 35
IV.MPNC.HHZ. 2021-01-07T04:32:40.54 0.6 undecidable manual S 267 60.2952 110 1.17 34
IV.HLNI.HHZ. 2021-01-07T04:32:39.78 0.3 undecidable manual P 229 137.5623 95 -0.35 56
IV.HCRL.HHN. 2021-01-07T04:32:38.67 0.6 undecidable manual P 222 132.7671 95 -0.86 32
IV.MSRU.HHZ. 2021-01-07T04:32:37.52 0.6 undecidable manual S 282 47.7189 119 0.62 44
IV.PLAC.HHZ. 2021-01-07T04:32:36.72 0.6 undecidable manual S 48 46.0206 121 0.14 46
IV.JOPP.HHZ. 2021-01-07T04:32:36.94 0.6 undecidable manual S 344 50.0166 117 -0.39 42
IV.SICLA.EHZ. 2021-01-07T04:32:34.08 0.6 undecidable manual S 288 30.0477 137 0.17 49
IV.IST3.HHZ. 2021-01-07T04:32:34.75 0.3 undecidable manual P 315 99.0231 98 -0.61 54
IV.IVPL.HHZ. 2021-01-07T04:32:34.56 0.3 undecidable manual P 284 95.238 99 -0.34 60
IV.FERC.HNN. 2021-01-07T04:32:34.39 0.6 undecidable manual S 13 31.8459 135 0.22 48
IV.GRI.EHN. 2021-01-07T04:32:33.46 0.6 undecidable manual P 24 79.0653 102 0.55 40
IV.AIO.HHE. 2021-01-07T04:32:33.45 0.6 undecidable manual P 253 74.2701 104 1.12 32
MN.CEL.HHZ. 2021-01-07T04:32:31.95 0.3 undecidable manual S 307 16.1727 155 -0.28 70
IV.MPNC.HHZ. 2021-01-07T04:32:31.15 0.3 undecidable manual P 267 60.2952 110 0.48 64
IV.SOI.EHZ. 2021-01-07T04:32:31.58 0.6 undecidable manual S 175 11.1777 163 -0.26 50
IV.MSRU.HHZ. 2021-01-07T04:32:29.50 0.1 negative manual P 282 47.7189 119 0.26 92
IV.JOPP.HHZ. 2021-01-07T04:32:29.32 0.1 negative manual P 344 50.0166 117 -0.17 91
IV.PLAC.HHZ. 2021-01-07T04:32:29.20 0.1 undecidable manual P 48 46.0206 121 0.14 92
IV.FERC.HNN. 2021-01-07T04:32:27.70 0.1 positive manual P 13 31.8459 135 0.03 98
IV.SICLA.EHZ. 2021-01-07T04:32:27.58 0.1 positive manual P 288 30.0477 137 0.06 99
MN.CEL.HHZ. 2021-01-07T04:32:26.41 0.1 positive manual P 307 16.1727 155 -0.14 98
IV.SOI.EHZ. 2021-01-07T04:32:26.35 0.1 negative manual P 175 11.1777 163 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SOI.EHE. ML:1.5 0.00008836253999999999 0.2208 AML other m 2021-01-07T04:32:31.92
IV.SOI.EHN. ML:1.4 0.00007824938500000001 0.1792 AML other m 2021-01-07T04:32:31.83
MN.CEL.HNE. ML:1.7 0.00014858628499999998 0.1984 AML other m 2021-01-07T04:32:32.14
MN.CEL.HHE. ML:1.7 0.0001473446 0.3008 AML other m 2021-01-07T04:32:32.13
MN.CEL.HHN. ML:2.1 0.000377 0.36 AML other m 2021-01-07T04:32:32.20
MN.CEL.HNN. ML:2.1 0.000382 0.36 AML other m 2021-01-07T04:32:32.21
IV.SICLA.EHN. ML:2.2 0.00038349999999999994 0.3 AML other m 2021-01-07T04:32:34.41
IV.SICLA.EHE. ML:1.9 0.00020400000000000003 0.76 AML other m 2021-01-07T04:32:34.78
IV.JOPP.HHN. ML:2.0 0.0001795 0.44 AML other m 2021-01-07T04:32:37.92
IV.JOPP.HHE. ML:1.8 0.000105443855 0.2624 AML other m 2021-01-07T04:32:37.59
IV.MSRU.HHE. ML:1.8 0.00012038795000000001 0.4608 AML other m 2021-01-07T04:32:38.05
IV.MSRU.HHN. ML:1.6 0.00007838127 0.4416 AML other m 2021-01-07T04:32:38.07
IV.MPNC.HHE. ML:1.8 0.00009492230999999999 0.4992 AML other m 2021-01-07T04:32:40.89
IV.MPNC.HHN. ML:1.7 0.00008206078 0.2784 AML other m 2021-01-07T04:32:41.40
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