Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 14-04-2021 and time 01:59:31 (UTC) in region 1 km W Castroreale (ME)

A magnitude ML 1.8 earthquake occured in region: 1 km W Castroreale (ME), on

  • 14-04-2021 01:59:31 (UTC)
  • 14-04-2021 03:59:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.1010, 15.2050 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
Castroreale ME 1 2504 2504
Rodì Milici ME 3 2056 4560
Barcellona Pozzo di Gotto ME 5 41583 46143
Terme Vigliatore ME 6 7395 53538
Mazzarrà Sant'Andrea ME 6 1531 55069
Furnari ME 7 3784 58853
Santa Lucia del Mela ME 8 4650 63503
Merì ME 8 2338 65841
San Filippo del Mela ME 10 7115 72956
Tripi ME 11 873 73829
Falcone ME 11 2808 76637
Novara di Sicilia ME 11 1337 77974
Gualtieri Sicaminò ME 12 1807 79781
Pace del Mela ME 13 6239 86020
Fondachelli-Fantina ME 13 1019 87039
Oliveri ME 13 2181 89220
Basicò ME 13 612 89832
Condrò ME 14 493 90325
Milazzo ME 14 31646 121971
Antillo ME 14 919 122890
San Pier Niceto ME 15 2837 125727
Mandanici ME 15 601 126328
Torregrotta ME 17 7431 133759
Monforte San Giorgio ME 17 2777 136536
Roccavaldina ME 18 1133 137669
Fiumedinisi ME 18 1409 139078
Valdina ME 18 1355 140433
Pagliara ME 19 1170 141603
Limina ME 19 836 142439
Montalbano Elicona ME 19 2287 144726
Casalvecchio Siculo ME 19 842 145568
Venetico ME 19 3911 149479
Roccafiorita ME 20 197 149676
Savoca ME 20 1732 151408

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km W of Messina (238439 inhabitants)
38 Km W of Reggio di Calabria (183035 inhabitants)
54 Km N of Acireale (52622 inhabitants)
67 Km N of Catania (314555 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 1.8 2021-04-14
01:59:31		 38.1008 15.205 10 2021-07-12
16:55:08		 Bollettino Sismico Italiano INGV 89387331
Reviewed
Rev100 		ML 2.0 2021-04-14
01:59:31		 38.0868 15.2012 10 2021-04-14
02:04:45		 Sala Sismica INGV-Roma 89082341
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-04-14 01:59:31 ± 0.07
Latitude 38.1008 ± 0.0045
Longitude 15.2050 ± 0.0057
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 89387331

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 494
Semi-minor axis of confidence ellipse (meter) 322
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 149
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 66
Number of associated phases, regardless of their use for origin computation 44
Number of defining phases 44
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) 0.09083
Epicentral distance of station farthest from the epicenter (degree) 0.93440
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 30
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 21
Type of magnitude ML
Reference to an origin 89387331
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-04-23 06:32:43

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 89082341
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-04-14 02:04:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.JOPP.HHZ. 2021-04-14T01:59:55.96 0.6 undecidable manual S 46 81.5517 50 0.09 43
MN.CEL.HHZ. 2021-04-14T01:59:50.60 0.6 undecidable manual S 73 62.5929 50 -0.21 44
IV.GIB.HHE. 2021-04-14T01:59:49.11 0.6 undecidable manual P 264 103.7184 50 0.21 41
IV.CSLB.HHZ. 2021-04-14T01:59:48.96 0.6 undecidable manual P 260 101.9202 50 0.34 40
IV.HCRL.HHN. 2021-04-14T01:59:47.04 0.6 undecidable manual P 190 91.9413 50 -0.05 43
IV.MSFR.HHZ. 2021-04-14T01:59:47.92 0.6 undecidable manual S 262 54.1014 50 -0.62 40
IV.HLNI.HHE. 2021-04-14T01:59:47.01 0.6 undecidable manual P 199 88.4448 50 0.47 40
IV.PLLN.EHZ. 2021-04-14T01:59:47.92 0.6 undecidable manual P 263 93.5397 50 0.59 38
IV.MTTG.HHZ. 2021-04-14T01:59:46.05 0.6 undecidable manual S 104 44.622 50 0.05 47
IV.SICLA.EHZ. 2021-04-14T01:59:46.67 0.6 undecidable manual S 69 47.619 50 -0.15 46
IV.JOPP.HHZ. 2021-04-14T01:59:46.00 0.6 undecidable manual P 46 81.5517 50 0.51 40
IV.IFIL.HHZ. 2021-04-14T01:59:45.00 0.6 undecidable manual P 313 75.1692 50 0.51 40
IV.MCPD.HHZ. 2021-04-14T01:59:44.61 0.6 undecidable manual S 273 41.4252 50 -0.55 42
IV.IVPL.HHZ. 2021-04-14T01:59:44.18 0.6 undecidable manual S 327 36.3414 50 0.39 44
IV.SOI.EHZ. 2021-04-14T01:59:43.84 0.6 undecidable manual P 92 74.1702 50 -0.51 40
MN.CEL.HHZ. 2021-04-14T01:59:42.24 0.6 undecidable manual P 73 62.5929 50 -0.32 43
IV.MSRU.HHZ. 2021-04-14T01:59:42.16 0.6 undecidable manual S 56 32.0457 50 -0.49 44
IV.MUCR.HHZ. 2021-04-14T01:59:41.17 0.6 undecidable manual S 258 29.6481 50 -0.83 38
IV.MSFR.HHZ. 2021-04-14T01:59:41.10 0.3 undecidable manual P 262 54.1014 50 -0.15 68
IV.ECTS.HHZ. 2021-04-14T01:59:40.60 0.6 undecidable manual S 197 25.3524 111 -0.1 48
IV.EPZF.HHZ. 2021-04-14T01:59:40.38 0.6 undecidable manual P 225 43.2234 50 0.8 38
IV.ECBD.HHN. 2021-04-14T01:59:39.25 0.6 undecidable manual P 196 37.0296 50 0.62 41
IV.EMNR.HHZ. 2021-04-14T01:59:39.05 0.6 undecidable manual P 206 35.2425 50 0.71 40
IV.ESAL.HHZ. 2021-04-14T01:59:39.79 0.6 undecidable manual P 189 38.8278 50 0.89 37
IV.MTTG.HHZ. 2021-04-14T01:59:39.42 0.1 positive manual P 104 44.622 50 -0.36 88
IV.EMSG.HHZ. 2021-04-14T01:59:39.51 0.6 undecidable manual P 216 38.2284 50 0.7 40
IV.SICLA.EHZ. 2021-04-14T01:59:39.96 0.6 undecidable manual P 69 47.619 50 -0.3 44
IV.MCPD.HHZ. 2021-04-14T01:59:38.84 0.1 positive manual P 273 41.4252 50 -0.46 87
IV.EFIU.HHZ. 2021-04-14T01:59:38.50 0.6 undecidable manual P 179 34.5432 50 0.26 46
IV.IVGP.HHN. 2021-04-14T01:59:38.78 0.3 undecidable manual P 327 39.1275 50 -0.16 69
IV.EPIT.HHZ. 2021-04-14T01:59:38.84 0.3 undecidable manual P 202 34.6431 50 0.59 63
IV.MILZ.HHZ. 2021-04-14T01:59:38.80 0.6 undecidable manual S 7 19.0698 117 0.12 48
IV.IVPL.HHZ. 2021-04-14T01:59:38.64 0.6 undecidable manual P 327 36.3414 50 0.13 47
IV.IVUG.HHZ. 2021-04-14T01:59:38.73 0.6 undecidable manual P 330 37.9287 50 -0.02 48
IV.MSRU.HHZ. 2021-04-14T01:59:37.76 0.6 undecidable manual P 56 32.0457 50 -0.09 48
IV.MPNC.HHZ. 2021-04-14T01:59:37.39 0.6 undecidable manual S 69 13.875 124 0.26 47
IV.MUCR.HHZ. 2021-04-14T01:59:37.07 0.1 positive manual P 258 29.6481 50 -0.41 89
IV.ECTS.HHZ. 2021-04-14T01:59:36.58 0.3 undecidable manual P 197 25.3524 111 -0.14 71
IV.AIO.HHZ. 2021-04-14T01:59:36.78 0.3 undecidable manual S 170 14.5743 123 -0.56 66
IV.NOV.HHZ. 2021-04-14T01:59:35.94 0.6 undecidable manual S 216 10.0788 133 -0.16 49
IV.MILZ.HHZ. 2021-04-14T01:59:35.74 0.6 undecidable manual P 7 19.0698 117 0.18 48
IV.AIO.HHZ. 2021-04-14T01:59:34.64 0.3 undecidable manual P 170 14.5743 123 -0.14 73
IV.MPNC.HHZ. 2021-04-14T01:59:34.94 0.3 undecidable manual P 69 13.875 124 0.28 71
IV.NOV.HHZ. 2021-04-14T01:59:34.04 0.1 negative manual P 216 10.0788 133 -0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.AIO.HHE. ML:2.4 0.00268 0.2 AML other m 2021-04-14T01:59:36.96
IV.AIO.HHN. ML:2.3 0.00204 0.3 AML other m 2021-04-14T01:59:37.14
IV.MPNC.HHN. ML:2.2 0.0016069404999999998 0.2416 AML other m 2021-04-14T01:59:37.80
IV.MPNC.HHE. ML:1.9 0.0007954286499999999 0.2 AML other m 2021-04-14T01:59:38.61
IV.MILZ.HHE. ML:2.2 0.00120899 0.2608 AML other m 2021-04-14T01:59:39.28
IV.MILZ.HHN. ML:2.2 0.001295 1.82 AML other m 2021-04-14T01:59:38.96
IV.ECTS.HHN. ML:1.8 0.000372 1.8 AML other m 2021-04-14T01:59:40.92
IV.ECTS.HHE. ML:1.8 0.00033629819999999997 0.32 AML other m 2021-04-14T01:59:40.65
IV.MUCR.HHN. ML:1.7 0.000261 0.32 AML other m 2021-04-14T01:59:41.52
IV.MUCR.HHE. ML:1.6 0.00019350000000000001 0.16 AML other m 2021-04-14T01:59:42.13
IV.MCPD.HHN. ML:1.7 0.00016340930000000001 0.3808 AML other m 2021-04-14T01:59:45.77
IV.MCPD.HHE. ML:1.7 0.00017530298 0.2608 AML other m 2021-04-14T01:59:45.24
IV.EMSG.HHE. ML:2.0 0.000325 0.32 AML other m 2021-04-14T01:59:45.73
IV.IVPL.HHE. ML:2.1 0.0005194301999999999 0.4 AML other m 2021-04-14T01:59:46.05
IV.EPIT.HHE. ML:2.0 0.0003727536 0.44 AML other m 2021-04-14T01:59:45.12
IV.MTTG.HHN. ML:1.6 0.00012967147 0.2608 AML other m 2021-04-14T01:59:48.32
IV.MTTG.HHE. ML:1.6 0.000121 0.54 AML other m 2021-04-14T01:59:47.86
IV.SICLA.EHN. ML:1.7 0.000143048225 0.32 AML other m 2021-04-14T01:59:46.87
IV.MSFR.HHN. ML:1.5 0.00007273016 0.36 AML other m 2021-04-14T01:59:50.88
MN.CEL.HHE. ML:1.4 0.000057417725000000006 0.24 AML other m 2021-04-14T01:59:52.05
MN.CEL.HHN. ML:1.4 0.000049422845 0.2192 AML other m 2021-04-14T01:59:51.49
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