Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 25-10-2020 and time 00:50:09 (Italy) in region 5 km E Santo Stefano in Aspromonte (RC)

A magnitude ML 1.4 earthquake occured in region: 5 km E Santo Stefano in Aspromonte (RC), on

  • 24-10-2020 22:50:09 (UTC)
  • 25-10-2020 00:50:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.1820, 15.8420 at 8 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 7 343 1606
Laganadi RC 9 413 2019
Sant'Eufemia d'Aspromonte RC 9 4120 6139
Delianuova RC 10 3352 9491
Sinopoli RC 10 2089 11580
San Roberto RC 10 1750 13330
Calanna RC 10 934 14264
Scido RC 11 931 15195
San Procopio RC 12 534 15729
Bagnara Calabra RC 12 10255 25984
Cardeto RC 13 1641 27625
Cosoleto RC 13 859 28484
Fiumara RC 14 1018 29502
Scilla RC 14 4964 34466
Santa Cristina d'Aspromonte RC 14 929 35395
Melicuccà RC 14 930 36325
Roccaforte del Greco RC 16 476 36801
Campo Calabro RC 17 4536 41337
Bagaladi RC 17 1039 42376
Seminara RC 18 2811 45187
Oppido Mamertina RC 18 5332 50519
Platì RC 18 3812 54331
Villa San Giovanni RC 18 13784 68115
San Lorenzo RC 19 2640 70755
Reggio di Calabria RC 19 183035 253790
Varapodio RC 19 2160 255950
Condofuri RC 20 5113 261063
Palmi RC 20 18930 279993

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km E of Reggio di Calabria (183035 inhabitants)
25 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 1.4 2020-10-24
22:50:09		 38.1815 15.8422 8 2021-02-26
14:56:20		 Bollettino Sismico Italiano INGV 87476711
Reviewed
Rev100 		ML 1.4 2020-10-24
22:50:09		 38.1747 15.8437 5 2020-10-24
22:59:08		 Sala Sismica INGV-Roma 84102611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-24 22:50:09 ± 0.09
Latitude 38.1815 ± 0.0054
Longitude 15.8422 ± 0.0057
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 87476711

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 517
Semi-minor axis of confidence ellipse (meter) 417
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 335
Circular confidence region, given by single value of horizontal uncertainty (meter) 520.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 89
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.08903
Epicentral distance of station farthest from the epicenter (degree) 0.53869
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 84102611
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-24 22:59:08

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 87476711
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-25 12:10:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PLAC.HHZ. 2020-10-24T22:50:29.48 0.6 undecidable manual S 60 59.7957 50 1.05 33
IV.JOPP.HNN. 2020-10-24T22:50:24.65 0.6 undecidable manual S 5 47.3193 50 -0.44 44
IV.MPNC.HHZ. 2020-10-24T22:50:23.74 0.6 undecidable manual S 265 42.8238 50 -0.16 47
IV.PLAC.HHZ. 2020-10-24T22:50:20.52 0.3 undecidable manual P 60 59.7957 50 0.16 68
IV.MSRU.HHZ. 2020-10-24T22:50:19.93 0.6 undecidable manual S 288 30.4473 105 -0.36 46
IV.JOPP.HNN. 2020-10-24T22:50:18.17 0.3 undecidable manual P 5 47.3193 50 -0.26 68
IV.MTTG.HHZ. 2020-10-24T22:50:17.84 0.6 undecidable manual S 212 23.3544 109 -0.08 49
IV.FERC.HNN. 2020-10-24T22:50:17.04 0.3 undecidable manual P 40 39.0276 50 -0.12 71
IV.MPNC.HHZ. 2020-10-24T22:50:17.60 0.3 undecidable manual P 265 42.8238 50 -0.15 71
IV.SOI.EHZ. 2020-10-24T22:50:16.69 0.6 undecidable manual S 123 22.0668 110 -0.81 40
IV.MSRU.HHZ. 2020-10-24T22:50:15.76 0.1 positive manual P 288 30.4473 105 0.09 97
IV.SOI.EHZ. 2020-10-24T22:50:14.09 0.1 positive manual P 123 22.0668 110 0.04 100
IV.MTTG.HHZ. 2020-10-24T22:50:14.57 0.1 positive manual P 212 23.3544 109 0.27 95
IV.SICLA.EHZ. 2020-10-24T22:50:14.95 0.6 undecidable manual S 307 13.875 120 0.04 51
MN.CEL.HHZ. 2020-10-24T22:50:13.49 0.6 undecidable manual S 27 9.879 129 -0.27 49
MN.CEL.HHZ. 2020-10-24T22:50:12.02 0.1 positive manual P 27 9.879 129 0.13 100
IV.SICLA.EHZ. 2020-10-24T22:50:12.86 0.1 positive manual P 307 13.875 120 0.3 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.CEL.HHE. ML:1.8 0.00094423815 0.2048 AML other m 2020-10-24T22:50:13.88
MN.CEL.HNE. ML:1.8 0.0009085962 0.192 AML other m 2020-10-24T22:50:13.79
MN.CEL.HHN. ML:1.4 0.0003542514 0.1408 AML other m 2020-10-24T22:50:14.30
MN.CEL.HNN. ML:1.4 0.0003367118 0.1664 AML other m 2020-10-24T22:50:14.31
IV.SICLA.EHE. ML:1.5 0.00034102374999999996 0.3584 AML other m 2020-10-24T22:50:15.29
IV.SICLA.EHN. ML:1.3 0.00023082544999999998 1.7056 AML other m 2020-10-24T22:50:15.92
IV.SOI.EHN. ML:1.2 0.00011065375 1.7184 AML other m 2020-10-24T22:50:17.04
IV.SOI.EHE. ML:1.0 0.00006985107 0.3456 AML other m 2020-10-24T22:50:17.18
IV.MTTG.HHN. ML:1.2 0.00011607860000000001 0.256 AML other m 2020-10-24T22:50:19.55
IV.MTTG.HHE. ML:1.1 0.000075253795 1.616 AML other m 2020-10-24T22:50:20.90
IV.MSRU.HHN. ML:1.4 0.000128332775 0.1536 AML other m 2020-10-24T22:50:20.70
IV.MSRU.HHE. ML:1.5 0.00014721557 0.2816 AML other m 2020-10-24T22:50:21.18
IV.MPNC.HHN. ML:1.6 0.00011379970000000001 0.2688 AML other m 2020-10-24T22:50:25.37
IV.PLAC.HHE. ML:1.5 0.00006390697000000001 0.4512 AML other m 2020-10-24T22:50:29.50
IV.MPNC.HHE. ML:1.5 0.00010371179499999999 1.232 AML other m 2020-10-24T22:50:29.70
IV.PLAC.HNN. ML:1.6 0.000081626325 0.5536 AML other m 2020-10-24T22:50:36.56
IV.PLAC.HHN. ML:1.3 0.00004446649 0.4768 AML other m 2020-10-24T22:50:41.37
IV.PLAC.HNE. ML:1.5 0.00006467014 1.0656 AML other m 2020-10-24T22:50:45.14
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