Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 20-02-2021 and time 08:55:15 (Italy) in region 6 km S Delianuova (RC)

A magnitude ML 1.2 earthquake occured in region: 6 km S Delianuova (RC), on

  • 20-02-2021 07:55:15 (UTC)
  • 20-02-2021 08:55:15 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.1880, 15.8980 at 10 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
Delianuova RC 6 3352 3352
Scido RC 7 931 4283
Sinopoli RC 9 2089 6372
Sant'Eufemia d'Aspromonte RC 9 4120 10492
Santo Stefano in Aspromonte RC 10 1263 11755
Santa Cristina d'Aspromonte RC 10 929 12684
Cosoleto RC 10 859 13543
San Procopio RC 11 534 14077
Sant'Alessio in Aspromonte RC 12 343 14420
Melicuccà RC 13 930 15350
Platì RC 13 3812 19162
Laganadi RC 14 413 19575
Bagnara Calabra RC 14 10255 29830
Oppido Mamertina RC 14 5332 35162
San Roberto RC 14 1750 36912
Calanna RC 15 934 37846
San Luca RC 16 3881 41727
Roccaforte del Greco RC 16 476 42203
Varapodio RC 16 2160 44363
Cardeto RC 16 1641 46004
Seminara RC 17 2811 48815
Scilla RC 18 4964 53779
Molochio RC 18 2564 56343
Terranova Sappo Minulio RC 18 523 56866
Fiumara RC 18 1018 57884
Samo RC 19 809 58693
Careri RC 19 2360 61053
Bagaladi RC 19 1039 62092
Sant'Agata del Bianco RC 19 592 62684
Palmi RC 19 18930 81614
Caraffa del Bianco RC 20 539 82153
Casignana RC 20 759 82912

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km E of Reggio di Calabria (183035 inhabitants)
30 Km E of Messina (238439 inhabitants)
91 Km NE of Acireale (52622 inhabitants)
95 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 2021-02-20
07:55:15		 38.1878 15.8982 10 2021-07-12
16:55:15		 Bollettino Sismico Italiano INGV 91395671
Reviewed
Rev100 		ML 1.4 2021-02-20
07:55:15		 38.1957 15.9157 10 2021-02-20
08:02:37		 Sala Sismica INGV-Roma 87318041
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-20 07:55:15 ± 0.11
Latitude 38.1878 ± 0.0072
Longitude 15.8982 ± 0.0103
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 91395671

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 962
Semi-minor axis of confidence ellipse (meter) 611
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 57
Circular confidence region, given by single value of horizontal uncertainty (meter) 960.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 134
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.41908
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 91395671
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-06-16 12:52:56

ML:1.4

Field Value
Value 1.4
Uncertainty 0.6
Num. used stations 12
Type of magnitude ML
Reference to an origin 87318041
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-20 08:02:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.PDG.HHZ. 2021-02-20T07:56:42.04 3.0 undecidable manual Sn -1.48 0
IV.RIBO.EHZ.01 2021-02-20T07:56:37.73 3.0 undecidable manual Pn 2.96 0
IV.RCAV.EHZ. 2021-02-20T07:56:28.23 3.0 undecidable manual Pg 18.059999 0
IV.ARRO.EHZ. 2021-02-20T07:56:26.84 3.0 positive manual Pg 8.56 0
IV.PESA.HHZ. 2021-02-20T07:56:26.76 3.0 negative manual Pn -4.94 0
IV.ARVD.HHZ. 2021-02-20T07:56:18.92 3.0 negative manual Pn -7.41 0
IV.GAVE.EHZ. 2021-02-20T07:56:18.54 3.0 positive manual Pn 0.1 0
IV.VVLD.HHZ. 2021-02-20T07:56:14.37 3.0 negative manual Pg 9.17 0
IV.RNI2.HHZ. 2021-02-20T07:56:02.56 3.0 undecidable manual Pn 2.82 0
IV.JOPP.HHZ. 2021-02-20T07:55:29.61 0.6 undecidable manual S 359 46.5201 50 -0.55 44
IV.MSRU.HHZ. 2021-02-20T07:55:27.36 0.6 undecidable manual S 284 35.0427 50 0.27 48
AC.VLO.HHZ. 2021-02-20T07:55:26.66 3.0 undecidable manual Pg 1.58 0
IV.MTTG.HHZ. 2021-02-20T07:55:24.31 0.6 undecidable manual S 220 26.8509 50 -0.6 44
MN.TDS.HHZ. 2021-02-20T07:55:23.00 3.0 undecidable manual S 0
IV.JOPP.HHZ. 2021-02-20T07:55:23.86 0.3 undecidable manual P 359 46.5201 50 0.08 73
IV.SOI.EHZ. 2021-02-20T07:55:22.13 0.3 undecidable manual S 133 18.6702 118 -0.27 73
IV.MSRU.HHZ. 2021-02-20T07:55:22.15 0.1 undecidable manual P 284 35.0427 50 0.14 98
IV.SICLA.EHZ. 2021-02-20T07:55:21.51 0.6 undecidable manual S 295 17.6712 120 -0.61 45
IV.MTTG.HHZ. 2021-02-20T07:55:20.91 0.1 undecidable manual P 220 26.8509 50 0.16 99
MN.TDS.HHZ. 2021-02-20T07:55:20.71 3.0 undecidable manual Pn 0
MN.CEL.HHZ. 2021-02-20T07:55:19.36 0.3 undecidable manual S 357 7.9809 141 -0.16 77
IV.SICLA.EHZ. 2021-02-20T07:55:19.32 0.1 undecidable manual P 295 17.6712 120 0.19 100
IV.SOI.EHZ. 2021-02-20T07:55:19.47 0.1 undecidable manual P 133 18.6702 118 0.17 100
IV.SPS2.HHZ. 2021-02-20T07:55:18.09 3.0 positive manual P -2.37 0
MN.CEL.HHZ. 2021-02-20T07:55:17.89 0.1 undecidable manual P 357 7.9809 141 0.26 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.CEL.HHE. ML:1.2 0.000249 0.4 AML other m 2021-02-20T07:55:19.78
MN.CEL.HNE. ML:1.2 0.0002515 0.38 AML other m 2021-02-20T07:55:19.78
MN.CEL.HHN. ML:1.1 0.000185 0.54 AML other m 2021-02-20T07:55:19.52
MN.CEL.HNN. ML:1.1 0.0001875 0.54 AML other m 2021-02-20T07:55:19.80
IV.SOI.EHN. ML:0.8 0.0000544 1.44 AML other m 2021-02-20T07:55:22.27
IV.SOI.EHE. ML:1.0 0.00007869999999999999 0.38 AML other m 2021-02-20T07:55:22.42
IV.MSRU.HHE. ML:1.5 0.000134 1.58 AML other m 2021-02-20T07:55:27.79
IV.MSRU.HHN. ML:1.4 0.0000913 0.26 AML other m 2021-02-20T07:55:27.82
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