Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 25-10-2020 and time 02:22:37 (Italy) in region 5 km E Santo Stefano in Aspromonte (RC)

A magnitude ML 1.2 earthquake occured in region: 5 km E Santo Stefano in Aspromonte (RC), on

  • 25-10-2020 00:22:37 (UTC)
  • 25-10-2020 02:22:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.1790, 15.8480 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
Laganadi RC 9 413 2019
Delianuova RC 9 3352 5371
Sant'Eufemia d'Aspromonte RC 9 4120 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
Cardeto RC 13 1641 27625
Cosoleto RC 13 859 28484
Santa Cristina d'Aspromonte RC 14 929 29413
Fiumara RC 14 1018 30431
Melicuccà RC 14 930 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 18 5332 47708
Seminara RC 18 2811 50519
Platì RC 18 3812 54331
San Lorenzo RC 19 2640 56971
Villa San Giovanni RC 19 13784 70755
Varapodio RC 19 2160 72915
Condofuri RC 19 5113 78028
Reggio di Calabria RC 19 183035 261063
San Luca RC 20 3881 264944
Palmi RC 20 18930 283874

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 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 1.2 2020-10-25
00:22:37		 38.1787 15.8483 7 2021-02-26
14:56:20		 Bollettino Sismico Italiano INGV 87450071
Reviewed
Rev100 		ML 1.2 2020-10-25
00:22:37		 38.1797 15.8515 9 2020-10-25
00:27:38		 Sala Sismica INGV-Roma 84105031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-25 00:22:37 ± 0.08
Latitude 38.1787 ± 0.0045
Longitude 15.8483 ± 0.0046
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 87450071

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 470
Semi-minor axis of confidence ellipse (meter) 160
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 190
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 91
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) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.08903
Epicentral distance of station farthest from the epicenter (degree) 0.53600
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 87450071
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-24 12:35:52

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 84105031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-25 00:27:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MPNC.HHN. 2020-10-25T00:22:52.45 0.6 undecidable manual S 265 43.4232 50 -0.08 48
IV.MSRU.HHZ. 2020-10-25T00:22:48.24 0.6 undecidable manual S 288 31.1466 103 -0.49 45
IV.PLAC.HHE. 2020-10-25T00:22:48.81 0.3 undecidable manual P 59 59.496 50 0.09 70
IV.JOPP.HHZ. 2020-10-25T00:22:46.59 0.3 undecidable manual P 4 47.619 50 -0.3 69
IV.MPNC.HHN. 2020-10-25T00:22:46.36 0.3 undecidable manual P 265 43.4232 50 0.12 72
IV.SOI.EHZ. 2020-10-25T00:22:45.05 0.3 undecidable manual S 123 21.4674 109 -0.45 70
IV.MTTG.HHZ. 2020-10-25T00:22:45.99 0.3 undecidable manual S 214 23.3544 107 -0.16 74
IV.MSRU.HHZ. 2020-10-25T00:22:43.99 0.1 undecidable manual P 288 31.1466 103 -0.05 100
IV.SICLA.EHZ. 2020-10-25T00:22:43.22 0.3 undecidable manual S 306 14.4744 117 -0.05 77
IV.SOI.EHZ. 2020-10-25T00:22:42.36 0.1 undecidable manual P 123 21.4674 109 0.18 99
IV.MTTG.HHZ. 2020-10-25T00:22:42.85 0.1 positive manual P 214 23.3544 107 0.3 96
IV.SICLA.EHZ. 2020-10-25T00:22:41.12 0.1 positive manual P 306 14.4744 117 0.23 99
MN.CEL.HHZ. 2020-10-25T00:22:41.80 0.3 undecidable manual S 24 9.879 126 -0.1 77
MN.CEL.HHZ. 2020-10-25T00:22:40.31 0.1 positive manual P 24 9.879 126 0.21 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.CEL.HNN. ML:1.0 0.00016416085000000002 0.12 AML other m 2020-10-25T00:22:42.19
MN.CEL.HHE. ML:1.5 0.00050952135 0.16 AML other m 2020-10-25T00:22:42.16
MN.CEL.HNE. ML:1.5 0.0004941731499999999 0.18 AML other m 2020-10-25T00:22:42.08
MN.CEL.HHN. ML:1.0 0.00016989645 0.12 AML other m 2020-10-25T00:22:42.25
IV.SICLA.EHN. ML:1.2 0.00016833499999999998 0.44 AML other m 2020-10-25T00:22:44.25
IV.SOI.EHN. ML:0.8 0.00004420814 0.52 AML other m 2020-10-25T00:22:46.51
IV.SICLA.EHE. ML:1.2 0.00017836995 1.28 AML other m 2020-10-25T00:22:47.20
IV.SOI.EHE. ML:0.9 0.000055728895 1.1 AML other m 2020-10-25T00:22:47.83
IV.MSRU.HHE. ML:1.4 0.00013232865 1.2 AML other m 2020-10-25T00:22:48.67
IV.JOPP.HHE. ML:1.3 0.00005405828 1.5 AML other m 2020-10-25T00:22:51.88
IV.MTTG.HHE. ML:0.9 0.000056528605 1.16 AML other m 2020-10-25T00:22:53.15
IV.MTTG.HHN. ML:1.0 0.000059636259999999994 0.9 AML other m 2020-10-25T00:22:54.51
IV.MSRU.HHN. ML:1.5 0.00015381850000000002 0.78 AML other m 2020-10-25T00:22:58.24
IV.JOPP.HHN. ML:1.2 0.00004283428 1.26 AML other m 2020-10-25T00:23:03.26
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