Earthquake with magnitude of ML 1.2 on date 05-04-2021 and time 22:31:44 (Italy) in region 1 km SW Alcara li Fusi (ME)

A magnitude ML 1.2 earthquake occured in region: 1 km SW Alcara li Fusi (ME), on

  • 05-04-2021 20:31:44 (UTC)
  • 05-04-2021 22:31:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.019, 14.696 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Alcara li Fusi ME 1 1980 1980
Militello Rosmarino ME 4 1324 3304
Longi ME 5 1473 4777
San Marco d'Alunzio ME 6 1996 6773
Galati Mamertino ME 7 2627 9400
Frazzanò ME 8 711 10111
Sant'Agata di Militello ME 8 12624 22735
Torrenova ME 8 4386 27121
San Fratello ME 9 3707 30828
Mirto ME 9 974 31802
San Salvatore di Fitalia ME 9 1319 33121
Capri Leone ME 10 4515 37636
Acquedolci ME 10 5744 43380
Tortorici ME 11 6435 49815
Castell'Umberto ME 12 3128 52943
Naso ME 14 3813 56756
Sinagra ME 15 2705 59461
Ficarra ME 16 1469 60930
Capo d'Orlando ME 16 13254 74184
Ucria ME 17 1058 75242
San Teodoro ME 19 1403 76645
Floresta ME 19 485 77130
Brolo ME 19 5783 82913
Raccuja ME 19 1041 83954
Cesarò ME 19 2439 86393
Sant'Angelo di Brolo ME 20 3090 89483
Maniace CT 20 3765 93248

Municipalities with at least 50000 inhabitants

An earthquake occurred to
61 Km NW of Acireale (52622 inhabitants)
67 Km NW of Catania (314555 inhabitants)
78 Km W of Messina (238439 inhabitants)
81 Km NE of Caltanissetta (63360 inhabitants)
84 Km W of Reggio di Calabria (183035 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 2021-04-05
20:31:44
38.0188 14.6962 8 2021-07-12
16:55:11
Bollettino Sismico Italiano INGV 90094821
Reviewed
Rev100
ML 1.2 2021-04-05
20:31:44
38.0528 14.7173 10 2021-04-05
20:40:58
Sala Sismica INGV-Roma 88800941
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-04-05 20:31:44 ± 0.13
Latitude 38.0188 ± 0.0081
Longitude 14.6962 ± 0.0103
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 90094821

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 936
Semi-minor axis of confidence ellipse (meter) 728
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 11
Circular confidence region, given by single value of horizontal uncertainty (meter) 940
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 95
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.41
Epicentral distance of station closest to the epicenter (degree) 0.08364
Epicentral distance of station farthest from the epicenter (degree) 0.50902
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 90094821
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-14 15:36:54

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 88800941
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-04-05 20:40:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.IVUG.HHZ. 2021-04-05T20:32:01.06 0.6 undecidable manual S 31 0.4407 50 0.52 43
IV.AIO.HHZ. 2021-04-05T20:31:59.76 0.6 undecidable manual S 96 0.4254 50 -0.34 45
IV.ECTS.HHE. 2021-04-05T20:31:58.86 0.6 undecidable manual S 112 0.3615 50 0.65 42
IV.NOV.HHE. 2021-04-05T20:31:56.92 0.6 undecidable manual S 88 0.3471 50 -0.85 38
IV.CAGR.HHE. 2021-04-05T20:31:55.44 0.6 undecidable manual P 201 0.4263 50 1.95 20
IV.IVGP.HHN. 2021-04-05T20:31:54.20 0.3 undecidable manual P 29 0.4308 50 0.63 62
IV.EPZF.HHZ. 2021-04-05T20:31:54.62 0.6 undecidable manual S 147 0.232 108 0.78 40
IV.IVUG.HHZ. 2021-04-05T20:31:54.32 0.3 undecidable manual P 31 0.4407 50 0.59 63
IV.CSLB.HHZ. 2021-04-05T20:31:54.73 0.3 undecidable manual P 261 0.509 50 -0.19 68
IV.IVPL.HNE. 2021-04-05T20:31:53.28 0.3 undecidable manual P 32 0.4209 50 -0.12 71
IV.ECTS.HHE. 2021-04-05T20:31:52.17 0.6 undecidable manual P 112 0.3615 50 -0.22 47
IV.AIO.HHZ. 2021-04-05T20:31:52.82 0.3 undecidable manual P 96 0.4254 50 -0.66 61
IV.NOV.HHE. 2021-04-05T20:31:51.39 0.3 undecidable manual P 88 0.3471 50 -0.74 60
IV.GALF.HHZ. 2021-04-05T20:31:51.60 0.3 undecidable manual P 198 0.3247 50 -0.15 72
IV.EMSG.HHE. 2021-04-05T20:31:51.21 0.3 undecidable manual P 135 0.2815 105 0.3 70
IV.MUCR.HHZ. 2021-04-05T20:31:50.40 0.6 undecidable manual S 80 0.1421 118 -0.22 49
IV.EPZF.HHZ. 2021-04-05T20:31:50.02 0.3 undecidable manual P 147 0.232 108 0.16 73
IV.MCPD.HHZ. 2021-04-05T20:31:49.79 0.6 undecidable manual S 15 0.1043 126 0.4 47
IV.MSFR.HHZ. 2021-04-05T20:31:48.50 0.6 undecidable manual S 280 0.0836 132 -0.26 49
IV.MCPD.HHZ. 2021-04-05T20:31:47.42 0.1 positive manual P 15 0.1043 126 0.13 100
IV.MUCR.HHZ. 2021-04-05T20:31:47.72 0.1 positive manual P 80 0.1421 118 -0.28 96
IV.MSFR.HHZ. 2021-04-05T20:31:46.57 0.1 undecidable manual P 280 0.0836 132 -0.36 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MSFR.HHE. ML:0.8 9.825E-5 0.24 AML other m 2021-04-05T20:31:48.68
IV.MSFR.HHN. ML:0.9 0.0001082 0.12 AML other m 2021-04-05T20:31:48.82
IV.MCPD.HHE. ML:1.1 0.0001625 1.1 AML other m 2021-04-05T20:31:50.42
IV.MCPD.HHN. ML:1.3 0.000231 0.24 AML other m 2021-04-05T20:31:50.49
IV.MUCR.HHE. ML:1.5 0.0003125 0.4 AML other m 2021-04-05T20:31:50.83
IV.MUCR.HHN. ML:1.5 0.0003305 0.3 AML other m 2021-04-05T20:31:50.80
IV.AIO.HHE. ML:1.1 3.705E-5 1 AML other m 2021-04-05T20:32:00.62
IV.AIO.HHN. ML:1 3.165E-5 0.6 AML other m 2021-04-05T20:32:01.51
IV.GALF.HHN. ML:1.6 0.000153 1.64 AML other m 2021-04-05T20:32:02.11
IV.GALF.HHE. ML:1.5 0.0001165 0.6 AML other m 2021-04-05T20:32:04.40
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