Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 19-12-2020 and time 12:20:23 (UTC) in region 9 km NW Samo (RC)

A magnitude ML 1.6 earthquake occured in region: 9 km NW Samo (RC), on

  • 19-12-2020 12:20:23 (UTC)
  • 19-12-2020 13:20:23 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.1140, 15.9640 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
Samo RC 9 809 809
Roccaforte del Greco RC 9 476 1285
San Luca RC 10 3881 5166
Sant'Agata del Bianco RC 11 592 5758
Caraffa del Bianco RC 11 539 6297
Casignana RC 11 759 7056
Bova RC 14 448 7504
Ferruzzano RC 14 772 8276
Platì RC 14 3812 12088
Staiti RC 14 248 12336
Delianuova RC 15 3352 15688
Scido RC 15 931 16619
Condofuri RC 15 5113 21732
Bruzzano Zeffirio RC 15 1111 22843
Careri RC 15 2360 25203
Santa Cristina d'Aspromonte RC 16 929 26132
Bagaladi RC 16 1039 27171
San Lorenzo RC 16 2640 29811
Africo RC 16 3075 32886
Santo Stefano in Aspromonte RC 16 1263 34149
Bianco RC 17 4273 38422
Benestare RC 18 2556 40978
Cardeto RC 18 1641 42619
Cosoleto RC 18 859 43478
Sinopoli RC 18 2089 45567
Bovalino RC 19 8905 54472
Sant'Eufemia d'Aspromonte RC 19 4120 58592
Sant'Alessio in Aspromonte RC 19 343 58935
San Procopio RC 20 534 59469
Oppido Mamertina RC 20 5332 64801

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km E of Reggio di Calabria (183035 inhabitants)
37 Km E of Messina (238439 inhabitants)
89 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 1.6 2020-12-19
12:20:23		 38.1142 15.9637 15 2021-02-26
14:56:14		 Bollettino Sismico Italiano INGV 86174371
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-19 12:20:23 ± 0.17
Latitude 38.1142 ± 0.0072
Longitude 15.9637 ± 0.0069
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86174371

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 807
Semi-minor axis of confidence ellipse (meter) 358
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 187
Circular confidence region, given by single value of horizontal uncertainty (meter) 810.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 154
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.08184
Epicentral distance of station farthest from the epicenter (degree) 0.50092
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 86174371
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-01 02:31:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PLAC.HHE. 2020-12-19T12:20:41.26 0.3 undecidable manual S 48 55.5999 95 0.62 59
IV.JOPP.HNN. 2020-12-19T12:20:40.25 0.6 undecidable manual S 353 55.1004 95 -0.25 44
IV.MPNC.HHN. 2020-12-19T12:20:40.34 0.3 undecidable manual S 274 53.4021 95 0.27 66
IV.MSRU.HHE. 2020-12-19T12:20:37.33 0.6 undecidable manual S 293 43.0236 96 0.02 47
IV.MPNC.HHN. 2020-12-19T12:20:33.37 0.6 undecidable manual P 274 53.4021 95 0.38 43
IV.PLAC.HHE. 2020-12-19T12:20:33.17 0.3 undecidable manual P 48 55.5999 95 -0.15 68
IV.SICLA.EHZ. 2020-12-19T12:20:32.79 0.3 undecidable manual S 306 26.8509 103 -0.25 68
IV.JOPP.HNN. 2020-12-19T12:20:32.88 0.3 undecidable manual P 353 55.1004 95 -0.36 64
IV.MSRU.HHE. 2020-12-19T12:20:31.42 0.3 undecidable manual P 293 43.0236 96 0.03 71
MN.CEL.HHZ. 2020-12-19T12:20:30.92 0.3 undecidable manual S 339 17.2716 117 0.28 71
IV.SOI.EHZ. 2020-12-19T12:20:28.72 0.3 undecidable manual S 120 9.0798 140 -0.19 74
IV.SICLA.EHZ. 2020-12-19T12:20:28.69 0.3 undecidable manual P 306 26.8509 103 -0.24 69
MN.CEL.HHZ. 2020-12-19T12:20:27.51 0.1 positive manual P 339 17.2716 117 -0.03 98
IV.SOI.EHZ. 2020-12-19T12:20:26.52 0.1 negative manual P 120 9.0798 140 -0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SOI.EHN. ML:1.3 0.00021749999999999997 0.16 AML other m 2020-12-19T12:20:29.00
IV.SOI.EHE. ML:1.3 0.000201 0.38 AML other m 2020-12-19T12:20:29.00
MN.CEL.HHN. ML:1.5 0.0002565 0.18 AML other m 2020-12-19T12:20:31.31
MN.CEL.HNN. ML:1.6 0.000258 0.18 AML other m 2020-12-19T12:20:31.31
MN.CEL.HHE. ML:1.7 0.000378 0.48 AML other m 2020-12-19T12:20:31.44
MN.CEL.HNE. ML:1.7 0.00036899999999999997 0.18 AML other m 2020-12-19T12:20:31.36
IV.SICLA.EHN. ML:1.8 0.0003195 0.42 AML other m 2020-12-19T12:20:33.17
IV.SICLA.EHE. ML:1.6 0.00021349999999999999 0.42 AML other m 2020-12-19T12:20:33.40
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