Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 18-10-2020 and time 23:07:07 (UTC) in region 6 km E Santo Stefano in Aspromonte (RC)

A magnitude ML 0.9 earthquake occured in region: 6 km E Santo Stefano in Aspromonte (RC), on

  • 18-10-2020 23:07:07 (UTC)
  • 19-10-2020 01:07:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.1850, 15.8520 at 7 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Santo Stefano in Aspromonte RC 6 1263 1263
Sant'Alessio in Aspromonte RC 8 343 1606
Delianuova RC 9 3352 4958
Sant'Eufemia d'Aspromonte RC 9 4120 9078
Sinopoli RC 9 2089 11167
Laganadi RC 10 413 11580
Scido RC 10 931 12511
San Roberto RC 11 1750 14261
Calanna RC 11 934 15195
San Procopio RC 11 534 15729
Bagnara Calabra RC 12 10255 25984
Cosoleto RC 12 859 26843
Santa Cristina d'Aspromonte RC 13 929 27772
Cardeto RC 13 1641 29413
Melicuccà RC 14 930 30343
Scilla RC 14 4964 35307
Fiumara RC 14 1018 36325
Roccaforte del Greco RC 16 476 36801
Oppido Mamertina RC 17 5332 42133
Seminara RC 17 2811 44944
Campo Calabro RC 17 4536 49480
Platì RC 17 3812 53292
Bagaladi RC 18 1039 54331
Varapodio RC 19 2160 56491
Villa San Giovanni RC 19 13784 70275
San Lorenzo RC 19 2640 72915
Palmi RC 19 18930 91845
San Luca RC 19 3881 95726
Reggio di Calabria RC 20 183035 278761
Condofuri RC 20 5113 283874

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km E of Reggio di Calabria (183035 inhabitants)
26 Km E of Messina (238439 inhabitants)
87 Km NE of Acireale (52622 inhabitants)
97 Km SW of Lamezia Terme (70714 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
Reviewed
Rev100 		ML 0.9 2020-10-18
23:07:07		 38.1847 15.8517 7 2020-10-18
23:12:04		 Sala Sismica INGV-Roma 83895341
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-18 23:07:07 ± 0.1
Latitude 38.1847 ± 0.0054
Longitude 15.8517 ± 0.0057
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 83895341

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 600
Semi-minor axis of confidence ellipse (meter) 105
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 20
Circular confidence region, given by single value of horizontal uncertainty (meter) 600.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 88
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.02428
Epicentral distance of station farthest from the epicenter (degree) 0.53060
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 83895341
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-18 23:12:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PLAC.HHE. 2020-10-18T23:07:19.07 1.0 undecidable manual P 60 58.8966 50 0.66 20
IV.MSRU.HHE. 2020-10-18T23:07:18.36 0.6 undecidable manual S 286 31.1466 103 -0.17 47
IV.JOPP.HHZ. 2020-10-18T23:07:16.26 0.6 undecidable manual P 4 46.9197 50 -0.31 44
IV.MPNC.HHZ. 2020-10-18T23:07:15.89 0.6 undecidable manual P 265 43.7229 50 -0.18 46
IV.SOI.EHZ. 2020-10-18T23:07:14.92 0.3 undecidable manual S 125 21.5673 109 -0.4 68
IV.MSRU.HHE. 2020-10-18T23:07:13.72 0.3 undecidable manual P 286 31.1466 103 -0.12 71
IV.SOI.EHZ. 2020-10-18T23:07:12.10 0.1 undecidable manual P 125 21.5673 109 0.12 97
IV.MTTG.HHZ. 2020-10-18T23:07:12.71 0.1 undecidable manual P 213 24.1536 107 0.25 94
MN.CEL.HHZ. 2020-10-18T23:07:11.40 0.3 undecidable manual S 24 9.1797 128 -0.07 75
IV.GMB.BHZ. 2020-10-18T23:07:09.08 0.1 undecidable manual P 227 2.6973 159 0.11 100
MN.CEL.HHZ. 2020-10-18T23:07:09.99 0.1 undecidable manual P 24 9.1797 128 0.23 96
IV.GMB.BHZ. 2020-10-18T23:07:09.99 0.3 undecidable manual S 227 2.6973 159 -0.11 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.CEL.HHE. ML:1.1 0.0001875 0.16 AML other m 2020-10-18T23:07:11.68
MN.CEL.HNE. ML:1.1 0.0001825 0.18 AML other m 2020-10-18T23:07:11.77
MN.CEL.HHN. ML:0.8 0.00010215 0.52 AML other m 2020-10-18T23:07:12.46
MN.CEL.HNN. ML:0.8 0.00010965 0.5 AML other m 2020-10-18T23:07:12.21
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