Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 27-10-2020 and time 03:30:34 (UTC) in region 5 km E Santo Stefano in Aspromonte (RC)

A magnitude ML 0.9 earthquake occured in region: 5 km E Santo Stefano in Aspromonte (RC), on

  • 27-10-2020 03:30:34 (UTC)
  • 27-10-2020 04:30:34 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.1790, 15.8500 at 7 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
Santo Stefano in Aspromonte RC 5 1263 1263
Sant'Alessio in Aspromonte RC 8 343 1606
Delianuova RC 9 3352 4958
Sant'Eufemia d'Aspromonte RC 9 4120 9078
Laganadi RC 9 413 9491
Sinopoli RC 10 2089 11580
Scido RC 10 931 12511
San Roberto RC 11 1750 14261
Calanna RC 11 934 15195
San Procopio RC 12 534 15729
Bagnara Calabra RC 13 10255 25984
Cosoleto RC 13 859 26843
Cardeto RC 13 1641 28484
Santa Cristina d'Aspromonte RC 14 929 29413
Melicuccà RC 14 930 30343
Fiumara RC 14 1018 31361
Scilla RC 14 4964 36325
Roccaforte del Greco RC 15 476 36801
Bagaladi RC 17 1039 37840
Campo Calabro RC 17 4536 42376
Oppido Mamertina RC 17 5332 47708
Platì RC 18 3812 51520
Seminara RC 18 2811 54331
San Lorenzo RC 19 2640 56971
Villa San Giovanni RC 19 13784 70755
Varapodio RC 19 2160 72915
Condofuri RC 19 5113 78028
San Luca RC 19 3881 81909
Reggio di Calabria RC 20 183035 264944
Palmi RC 20 18930 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)
98 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
Bulletin
Rev1000 		ML 0.9 2020-10-27
03:30:34		 38.1792 15.8505 7 2021-02-26
14:56:13		 Bollettino Sismico Italiano INGV 86026471
Reviewed
Rev100 		ML 1.0 2020-10-27
03:30:33		 38.1805 15.8643 10 2020-10-27
03:36:28		 Sala Sismica INGV-Roma 84169891
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-27 03:30:34 ± 0.12
Latitude 38.1792 ± 0.0063
Longitude 15.8505 ± 0.0069
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86026471

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 672
Semi-minor axis of confidence ellipse (meter) 189
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 209
Circular confidence region, given by single value of horizontal uncertainty (meter) 670.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 100
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) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.08813
Epicentral distance of station farthest from the epicenter (degree) 0.42808
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 2
Type of magnitude ML
Reference to an origin 84169891
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-27 03:36:28

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 2
Type of magnitude ML
Reference to an origin 86026471
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-05 10:02:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MSRU.HHZ. 2020-10-27T03:30:44.62 0.6 undecidable manual S 288 31.2465 103 -0.67 42
IV.JOPP.HNN. 2020-10-27T03:30:43.39 0.3 undecidable manual P 4 47.5191 50 0.03 73
IV.MPNC.HHZ. 2020-10-27T03:30:42.58 0.3 undecidable manual P 265 43.5231 50 -0.17 71
IV.MTTG.HHZ. 2020-10-27T03:30:42.67 0.6 undecidable manual S 214 23.5542 107 -0.03 50
IV.SOI.EHZ. 2020-10-27T03:30:41.41 0.3 undecidable manual S 123 21.3675 109 -0.56 67
IV.MSRU.HHZ. 2020-10-27T03:30:40.51 0.1 undecidable manual P 288 31.2465 103 -0.07 99
IV.MTTG.HHZ. 2020-10-27T03:30:39.41 0.1 undecidable manual P 214 23.5542 107 0.33 95
IV.SICLA.EHZ. 2020-10-27T03:30:39.77 0.6 undecidable manual S 306 14.5743 117 -0.05 51
IV.SOI.EHZ. 2020-10-27T03:30:38.88 0.1 undecidable manual P 123 21.3675 109 0.22 97
MN.CEL.HHZ. 2020-10-27T03:30:38.23 0.6 undecidable manual S 23 9.7791 127 -0.15 50
IV.SICLA.EHZ. 2020-10-27T03:30:37.65 0.1 positive manual P 306 14.5743 117 0.23 98
MN.CEL.HHZ. 2020-10-27T03:30:36.78 0.1 positive manual P 23 9.7791 127 0.19 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.CEL.HHN. ML:0.8 0.00010165 0.48 AML other m 2020-10-27T03:30:44.71
MN.CEL.HHE. ML:1.1 0.00017749999999999998 1.8 AML other m 2020-10-27T03:30:45.03
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