Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 05-04-2021 and time 16:29:19 (UTC) in region 1 km SE Alcara li Fusi (ME)

A magnitude ML 1.9 earthquake occured in region: 1 km SE Alcara li Fusi (ME), on

  • 05-04-2021 16:29:19 (UTC)
  • 05-04-2021 18:29:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.0140, 14.7050 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
Alcara li Fusi ME 1 1980 1980
Longi ME 5 1473 3453
Militello Rosmarino ME 5 1324 4777
Galati Mamertino ME 6 2627 7404
San Marco d'Alunzio ME 7 1996 9400
Frazzanò ME 8 711 10111
Sant'Agata di Militello ME 9 12624 22735
San Salvatore di Fitalia ME 9 1319 24054
Torrenova ME 9 4386 28440
Mirto ME 9 974 29414
San Fratello ME 10 3707 33121
Capri Leone ME 11 4515 37636
Tortorici ME 11 6435 44071
Acquedolci ME 11 5744 49815
Castell'Umberto ME 12 3128 52943
Naso ME 14 3813 56756
Sinagra ME 15 2705 59461
Ficarra ME 15 1469 60930
Ucria ME 16 1058 61988
Capo d'Orlando ME 17 13254 75242
Floresta ME 18 485 75727
San Teodoro ME 18 1403 77130
Raccuja ME 19 1041 78171
Cesarò ME 19 2439 80610
Maniace CT 19 3765 84375
Sant'Angelo di Brolo ME 19 3090 87465
Brolo ME 19 5783 93248

Municipalities with at least 50000 inhabitants

An earthquake occurred to
60 Km NW of Acireale (52622 inhabitants)
66 Km NW of Catania (314555 inhabitants)
77 Km W of Messina (238439 inhabitants)
81 Km NE of Caltanissetta (63360 inhabitants)
83 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 1.9 2021-04-05
16:29:19		 38.0143 14.7053 8 2021-07-12
16:55:07		 Bollettino Sismico Italiano INGV 89332131
Reviewed
Rev100 		ML 2.0 2021-04-05
16:29:19		 38.0103 14.6972 8 2021-04-05
16:36:55		 Sala Sismica INGV-Roma 88798471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-04-05 16:29:19 ± 0.08
Latitude 38.0143 ± 0.0054
Longitude 14.7053 ± 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 89332131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 583
Semi-minor axis of confidence ellipse (meter) 254
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 172
Circular confidence region, given by single value of horizontal uncertainty (meter) 580.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 50
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.63042
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 89332131
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-04-21 14:51:01

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 88798471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-04-05 16:36:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSLB.HHZ. 2021-04-05T16:29:38.09 0.1 undecidable manual S 262 57.2982 50 0.36 86
IV.PLLN.EHZ. 2021-04-05T16:29:36.13 0.6 undecidable manual S 267 49.2174 50 0.55 41
IV.PETRA.HHN. 2021-04-05T16:29:36.83 0.3 undecidable manual S 249 55.4001 50 -0.42 64
IV.IVGP.HHN. 2021-04-05T16:29:35.84 0.6 undecidable manual S 28 47.9187 50 0.6 41
IV.IVPL.HHZ. 2021-04-05T16:29:35.33 0.3 undecidable manual S 31 46.7199 50 0.4 65
IV.IVUG.HHZ. 2021-04-05T16:29:35.52 1.0 undecidable manual S 30 48.9177 50 0.02 23
IV.AIO.HHZ. 2021-04-05T16:29:34.45 0.6 undecidable manual S 96 46.4202 50 -0.38 44
IV.RESU.HHZ. 2021-04-05T16:29:32.87 0.6 undecidable manual P 235 69.9744 50 0.96 34
IV.NOV.HHZ. 2021-04-05T16:29:31.98 0.3 undecidable manual S 88 37.7289 50 -0.54 64
IV.IFIL.HHN. 2021-04-05T16:29:31.20 0.3 undecidable manual P 350 62.0934 50 0.5 62
IV.IACL.HHE. 2021-04-05T16:29:31.01 0.3 undecidable manual P 332 65.0904 50 -0.16 66
IV.CAGR.HHE. 2021-04-05T16:29:30.07 1.0 undecidable manual P 203 47.1195 50 1.68 12
IV.CSLB.HHZ. 2021-04-05T16:29:29.68 0.1 undecidable manual P 262 57.2982 50 -0.28 87
IV.PETRA.HHN. 2021-04-05T16:29:29.41 0.6 undecidable manual P 249 55.4001 50 -0.27 44
IV.ECTS.HHZ. 2021-04-05T16:29:28.02 3.0 undecidable manual P 0.73 0
IV.EPZF.HHZ. 2021-04-05T16:29:28.46 0.1 undecidable manual S 148 24.9528 108 0.02 97
IV.IVPL.HHZ. 2021-04-05T16:29:28.20 0.1 undecidable manual P 31 46.7199 50 -0.14 92
IV.PLLN.EHZ. 2021-04-05T16:29:28.87 0.1 undecidable manual P 267 49.2174 50 0.15 91
IV.IVUG.HHZ. 2021-04-05T16:29:28.26 0.6 undecidable manual P 30 48.9177 50 -0.41 43
IV.EPIT.HHZ. 2021-04-05T16:29:27.97 0.6 undecidable manual P 126 38.1285 50 0.96 36
IV.IVGP.HHN. 2021-04-05T16:29:27.96 1.0 undecidable manual P 28 47.9187 50 -0.56 21
IV.AIO.HHZ. 2021-04-05T16:29:27.59 0.1 undecidable manual P 96 46.4202 50 -0.69 79
IV.ESCV.HHZ. 2021-04-05T16:29:26.00 0.6 undecidable manual P 162 31.1466 105 0.21 46
IV.GALF.HHZ. 2021-04-05T16:29:26.48 0.3 undecidable manual P 200 35.8419 50 -0.17 70
IV.NOV.HHZ. 2021-04-05T16:29:26.45 0.3 undecidable manual P 88 37.7289 50 -0.5 65
IV.EMSG.HHZ. 2021-04-05T16:29:26.11 0.1 undecidable manual P 135 30.3474 105 0.48 88
IV.MUCR.HHZ. 2021-04-05T16:29:25.36 0.1 undecidable manual S 78 15.0738 118 0.08 98
IV.EPZF.HHZ. 2021-04-05T16:29:24.93 0.1 undecidable manual P 148 24.9528 108 0.34 91
IV.MCPD.HHZ. 2021-04-05T16:29:24.81 0.1 undecidable manual S 11 11.877 124 0.46 91
IV.MSFR.HHZ. 2021-04-05T16:29:23.43 0.1 undecidable manual S 282 10.1787 129 -0.43 92
IV.MCPD.HHZ. 2021-04-05T16:29:22.24 0.1 undecidable manual P 11 11.877 124 0 100
IV.MUCR.HHZ. 2021-04-05T16:29:22.57 0.1 undecidable manual P 78 15.0738 118 -0.2 96
IV.MSFR.HHZ. 2021-04-05T16:29:21.49 0.1 undecidable manual P 282 10.1787 129 -0.46 91
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MSFR.HHE. ML:1.6 0.0005187880500000001 0.1664 AML other m 2021-04-05T16:29:23.84
IV.MSFR.HHN. ML:1.7 0.0006689022 0.128 AML other m 2021-04-05T16:29:23.71
IV.MCPD.HHE. ML:1.8 0.0007970752 0.2432 AML other m 2021-04-05T16:29:25.30
IV.MCPD.HHN. ML:1.9 0.0010336756999999998 0.2176 AML other m 2021-04-05T16:29:25.38
IV.MUCR.HHE. ML:2.0 0.00107504525 0.1792 AML other m 2021-04-05T16:29:25.74
IV.MUCR.HHN. ML:2.3 0.001881551 0.2816 AML other m 2021-04-05T16:29:25.72
IV.ESCV.HHN. ML:2.0 0.0005336244500000001 0.4224 AML other m 2021-04-05T16:29:32.88
IV.EPZF.HHN. ML:1.9 0.00046815275 0.3584 AML other m 2021-04-05T16:29:32.92
IV.EPZF.HHE. ML:1.7 0.0003023689 0.4224 AML other m 2021-04-05T16:29:32.47
IV.ESCV.HHE. ML:2.1 0.000614 1.28 AML other m 2021-04-05T16:29:35.09
IV.IVPL.HHN. ML:2.1 0.00034656475 0.2944 AML other m 2021-04-05T16:29:36.72
IV.GALF.HHN. ML:2.2 0.000731 1.64 AML other m 2021-04-05T16:29:37.84
IV.IVPL.HHE. ML:2.3 0.0005515000000000001 1.62 AML other m 2021-04-05T16:29:38.92
IV.GALF.HHE. ML:2.2 0.000631 0.64 AML other m 2021-04-05T16:29:39.32
IV.CSLB.HHE. ML:1.4 0.0000484 0.34 AML other m 2021-04-05T16:29:40.48
IV.PLLN.EHE. ML:2.0 0.00028649999999999997 0.5 AML other m 2021-04-05T16:29:41.18
IV.CSLB.HHN. ML:1.4 0.00004775 0.36 AML other m 2021-04-05T16:29:42.62
IV.PLLN.EHN. ML:2.1 0.000345 0.46 AML other m 2021-04-05T16:29:42.70
IV.EMSG.HHE. ML:2.0 0.0005501885 0.5376 AML other m 2021-04-05T16:29:38.48
IV.EMSG.HHN. ML:1.9 0.00041753685 0.5632 AML other m 2021-04-05T16:29:40.24
IV.GALF.HNE. ML:1.5 0.0001362449 0.6528 AML other m 2021-04-05T16:29:37.46
IV.GALF.HNN. ML:1.6 0.0001788093 1.024 AML other m 2021-04-05T16:29:37.04
IV.EPIT.HHN. ML:2.0 0.00037498055000000004 0.384 AML other m 2021-04-05T16:29:45.26
IV.EPIT.HHE. ML:1.8 0.00022148115 0.3072 AML other m 2021-04-05T16:29:45.36
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
Waveforms Seismic signals in miniseed + resp format Download