Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 18-05-2021 and time 17:58:35 (UTC) in region Costa Siciliana nord orientale (Messina)

A magnitude ML 2.2 earthquake occured in region: Costa Siciliana nord orientale (Messina), on

  • 18-05-2021 17:58:35 (UTC)
  • 18-05-2021 19:58:35 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.2760, 14.8400 at 130 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
Gioiosa Marea ME 12 7074 7074
Piraino ME 13 3962 11036
Brolo ME 13 5783 16819
Capo d'Orlando ME 15 13254 30073
Naso ME 18 3813 33886
Ficarra ME 18 1469 35355
Sant'Angelo di Brolo ME 18 3090 38445
Montagnareale ME 18 1615 40060
Patti ME 19 13431 53491

Municipalities with at least 50000 inhabitants

An earthquake occurred to
63 Km W of Messina (238439 inhabitants)
73 Km W of Reggio di Calabria (183035 inhabitants)
79 Km NW of Acireale (52622 inhabitants)
89 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 2.2 2021-05-18
17:58:35		 38.2758 14.8398 130 2021-12-29
11:12:05		 Bollettino Sismico Italiano INGV 91277851
Reviewed
Rev100 		ML 2.3 2021-05-18
17:58:35		 38.3347 14.7993 124 2021-05-18
18:22:38		 Sala Sismica INGV-Roma 90237951
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-18 17:58:35 ± 0.33
Latitude 38.2758 ± 0.0288
Longitude 14.8398 ± 0.0252
Depth (km) 130 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 91277851

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3147
Semi-minor axis of confidence ellipse (meter) 1366
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 157
Circular confidence region, given by single value of horizontal uncertainty (meter) 3150.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 100
Number of associated phases, regardless of their use for origin computation 45
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.63047
Number of stations at which the event was observed 37
Number of stations from which data was used for origin computation 24
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 27
Type of magnitude ML
Reference to an origin 91277851
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-08-02 14:27:33

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 25
Type of magnitude ML
Reference to an origin 90237951
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-18 18:22:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SFI.EHZ. 2021-05-18T18:00:26.50 3.0 undecidable manual Pg 18.190001 0
IV.FIR.HHZ. 2021-05-18T18:00:23.02 3.0 undecidable manual Pg 13.82 0
IV.SEI.HHZ. 2021-05-18T18:00:22.41 3.0 undecidable manual Pg 10.25 0
IV.TREM.HHZ. 2021-05-18T18:00:20.31 3.0 undecidable manual Sn -5.18 0
IV.PZUN.HHZ. 2021-05-18T17:59:59.54 3.0 undecidable manual Sg 7.62 0
IV.ARRO.EHZ. 2021-05-18T17:59:54.01 3.0 positive manual Pg 5.83 0
IV.MTMR.EHZ. 2021-05-18T17:59:48.36 3.0 undecidable manual Sn -7.97 0
IV.VVLD.HHZ. 2021-05-18T17:59:47.43 3.0 undecidable manual Pg 11.06 0
IV.LRP.EHZ. 2021-05-18T17:59:39.41 3.0 negative manual Pg 5.81 0
IV.MRVN.HHZ. 2021-05-18T17:59:35.05 3.0 undecidable manual Pg 9.28 0
IV.PTRJ.HNZ. 2021-05-18T17:59:30.03 3.0 undecidable manual Pg 2.03 0
IV.PTQR.HHZ. 2021-05-18T17:59:29.52 3.0 undecidable manual Pn -9.45 0
IV.SOI.EHZ. 2021-05-18T17:59:13.86 0.6 undecidable manual S 102 108.2139 137 -1.01 33
IV.JOPP.HHZ. 2021-05-18T17:59:12.96 0.6 undecidable manual S 68 98.0241 140 -0.44 42
IV.PETRA.HHZ. 2021-05-18T17:59:11.16 0.6 undecidable manual S 232 80.1642 146 0.08 48
IV.MTTG.HHZ. 2021-05-18T17:59:11.21 0.6 undecidable manual S 112 80.8635 146 0.04 47
IV.EPZF.HHZ. 2021-05-18T17:59:09.46 0.6 undecidable manual S 178 50.1165 157 1.47 29
IV.NOV.HHZ. 2021-05-18T17:59:07.62 0.3 undecidable manual S 137 37.8288 163 0.55 69
IV.AIO.HHZ. 2021-05-18T17:59:07.53 0.6 undecidable manual S 134 48.1185 158 -0.29 48
IV.SERS.HHZ. 2021-05-18T17:59:06.14 0.3 undecidable manual P 62 180.9855 122 1.08 37
IV.MUCR.HHZ. 2021-05-18T17:59:05.22 1.0 undecidable manual S 173 26.0517 168 -1.2 17
IV.MTGR.HHZ. 2021-05-18T17:59:03.76 3.0 positive manual Pn -3.99 0
IV.PLAC.HHZ. 2021-05-18T17:59:01.26 0.1 undecidable manual P 82 140.3484 129 0.32 79
IV.RAFF.HHZ. 2021-05-18T17:58:59.03 0.1 undecidable manual P 200 124.1868 133 -0.38 81
IV.JOPP.HHZ. 2021-05-18T17:58:57.07 0.3 undecidable manual P 68 98.0241 140 -0.1 68
IV.SOI.EHZ. 2021-05-18T17:58:57.83 0.3 undecidable manual P 102 108.2139 137 -0.19 66
IV.HLNI.HHZ. 2021-05-18T17:58:56.42 0.1 undecidable manual P 178 102.9192 139 -1.15 62
IV.MTTG.HHZ. 2021-05-18T17:58:55.80 0.3 undecidable manual P 112 80.8635 146 -0.09 71
IV.GALF.HHZ. 2021-05-18T17:58:55.21 0.6 undecidable manual P 201 67.0773 151 0.23 47
IV.CSLB.HHZ. 2021-05-18T17:58:55.45 0.6 undecidable manual P 241 77.8665 147 -0.23 46
IV.PETRA.HHZ. 2021-05-18T17:58:55.87 0.3 undecidable manual P 232 80.1642 146 0.04 72
IV.EMSG.HHZ. 2021-05-18T17:58:54.61 0.1 undecidable manual P 169 51.4152 157 0.5 91
IV.ECTS.HHZ. 2021-05-18T17:58:54.13 0.1 undecidable manual P 151 50.1165 157 0.08 100
IV.EPIT.HHZ. 2021-05-18T17:58:54.51 0.3 undecidable manual P 160 54.9006 155 0.23 72
IV.EPZF.HHZ. 2021-05-18T17:58:54.51 0.1 undecidable manual P 178 50.1165 157 0.46 92
IV.EMNR.HHZ. 2021-05-18T17:58:54.61 0.1 undecidable manual P 162 53.502 156 0.4 93
IV.IACL.HHE. 2021-05-18T17:58:54.15 0.3 undecidable manual P 304 50.9157 157 0.06 75
IV.MPNC.HHZ. 2021-05-18T17:58:54.27 0.3 undecidable manual P 108 46.9197 159 0.37 71
IV.MSFR.HHE. 2021-05-18T17:58:53.48 0.3 undecidable manual P 219 34.5432 164 0.08 77
IV.NOV.HHZ. 2021-05-18T17:58:53.73 0.3 undecidable manual P 137 37.8288 163 0.21 74
IV.IVUG.HHE. 2021-05-18T17:58:53.03 0.3 undecidable manual P 44 18.3705 171 0.06 80
IV.AIO.HHZ. 2021-05-18T17:58:53.79 0.3 undecidable manual P 134 48.1185 158 -0.16 74
IV.MILZ.HHN. 2021-05-18T17:58:52.55 0.3 undecidable manual P 91 34.0437 164 -0.83 62
IV.IVPL.HHZ. 2021-05-18T17:58:52.59 0.1 undecidable manual P 48 16.4724 172 -0.35 100
IV.MUCR.HHZ. 2021-05-18T17:58:52.28 0.3 undecidable manual P 173 26.0517 168 -0.86 62
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GALF.HHN. ML:2.2 0.00008558982500000001 0.3072 AML other m 2021-05-18T17:58:58.91
IV.GALF.HNN. ML:2.4 0.00012494805000000001 0.704 AML other m 2021-05-18T17:59:03.06
IV.MUCR.HHE. ML:1.7 0.000034135478 0.576 AML other m 2021-05-18T17:59:08.29
IV.AIO.HHN. ML:1.9 0.000047026775 0.8064 AML other m 2021-05-18T17:59:08.82
IV.AIO.HHE. ML:2.0 0.00005443561499999999 0.512 AML other m 2021-05-18T17:59:09.37
IV.EPIT.HHE. ML:2.3 0.00012666545000000003 1.296 AML other m 2021-05-18T17:59:09.80
IV.MPNC.HHE. ML:2.5 0.00016999999999999999 1.56 AML other m 2021-05-18T17:59:09.09
IV.EMSG.HHE. ML:2.4 0.00014620815000000002 0.4736 AML other m 2021-05-18T17:59:10.06
IV.GALF.HHE. ML:2.5 0.00016964360000000002 1.3472 AML other m 2021-05-18T17:59:10.11
IV.MTTG.HHN. ML:2.5 0.00016757325 1.2832 AML other m 2021-05-18T17:59:12.01
IV.MPNC.HHN. ML:2.2 0.00010630202999999999 0.512 AML other m 2021-05-18T17:59:12.58
IV.HLNI.HHE. ML:1.8 0.000031011575 0.4352 AML other m 2021-05-18T17:59:12.69
IV.PETRA.HHE. ML:2.0 0.000052684845000000004 0.96 AML other m 2021-05-18T17:59:13.16
IV.JOPP.HHN. ML:2.0 0.000037794797000000005 0.2816 AML other m 2021-05-18T17:59:13.18
IV.JOPP.HHE. ML:2.1 0.00005583011 1.6416 AML other m 2021-05-18T17:59:14.16
IV.SOI.EHE. ML:2.2 0.000069453455 0.704 AML other m 2021-05-18T17:59:14.34
IV.EMSG.HHN. ML:2.3 0.000116026105 0.5504 AML other m 2021-05-18T17:59:14.54
IV.SOI.EHN. ML:2.2 0.000068084545 0.8448 AML other m 2021-05-18T17:59:16.25
IV.IVPL.HHE. ML:2.2 0.0001035002 0.9984 AML other m 2021-05-18T17:59:16.29
IV.MTTG.HHE. ML:2.6 0.0001843057 0.6048 AML other m 2021-05-18T17:59:18.61
IV.PETRA.HHN. ML:2.0 0.000052008285 0.7424 AML other m 2021-05-18T17:59:19.22
IV.PLAC.HNE. ML:2.4 0.000072762825 0.5376 AML other m 2021-05-18T17:59:20.40
IV.PLAC.HHN. ML:2.3 0.00006363666 0.384 AML other m 2021-05-18T17:59:20.67
IV.PLAC.HNN. ML:2.4 0.000081351235 0.3456 AML other m 2021-05-18T17:59:21.38
IV.PLAC.HHE. ML:2.4 0.000084557645 0.3328 AML other m 2021-05-18T17:59:21.38
IV.GALF.HNE. ML:2.2 0.00009712545000000001 1.1552 AML other m 2021-05-18T17:59:28.10
IV.IVPL.HHN. ML:2.2 0.00009762890499999998 0.7808 AML other m 2021-05-18T17:59:29.41
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