Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 19-10-2021 and time 18:30:53 (Italy) in region 2 km E Montalbano Elicona (ME)

A magnitude ML 1.6 earthquake occured in region: 2 km E Montalbano Elicona (ME), on

  • 19-10-2021 16:30:53 (UTC)
  • 19-10-2021 18:30:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.0190, 15.0360 at 5 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
Montalbano Elicona ME 2 2287 2287
Basicò ME 5 612 2899
Tripi ME 7 873 3772
San Piero Patti ME 7 2915 6687
Novara di Sicilia ME 9 1337 8024
Roccella Valdemone ME 10 666 8690
Malvagna ME 11 733 9423
Librizzi ME 11 1660 11083
Floresta ME 12 485 11568
Falcone ME 12 2808 14376
Raccuja ME 12 1041 15417
Mazzarrà Sant'Andrea ME 12 1531 16948
Oliveri ME 12 2181 19129
Furnari ME 13 3784 22913
Fondachelli-Fantina ME 13 1019 23932
Santa Domenica Vittoria ME 13 980 24912
Moio Alcantara ME 13 717 25629
Ucria ME 14 1058 26687
Patti ME 15 13431 40118
Montagnareale ME 15 1615 41733
Rodì Milici ME 16 2056 43789
Francavilla di Sicilia ME 16 3945 47734
Castiglione di Sicilia CT 17 3215 50949
Sant'Angelo di Brolo ME 17 3090 54039
Terme Vigliatore ME 17 7395 61434
Randazzo CT 17 10900 72334
Castroreale ME 18 2504 74838
Sinagra ME 18 2705 77543
Motta Camastra ME 18 845 78388
Tortorici ME 19 6435 84823
Antillo ME 19 919 85742

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km N of Acireale (52622 inhabitants)
50 Km W of Messina (238439 inhabitants)
54 Km W of Reggio di Calabria (183035 inhabitants)
57 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 1.6 2021-10-19
16:30:53		 38.0188 15.0358 5 2022-03-30
13:04:15		 Bollettino Sismico Italiano INGV 97342971
Reviewed
Rev100 		ML 1.6 2021-10-19
16:30:53		 38.0145 15.0513 8 2021-10-19
16:39:35		 Sala Sismica INGV-Roma 96766311
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-10-19 16:30:53 ± 0.05
Latitude 38.0188 ± 0.0018
Longitude 15.0358 ± 0.0023
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 97342971

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 239
Semi-minor axis of confidence ellipse (meter) 90
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 274
Circular confidence region, given by single value of horizontal uncertainty (meter) 240.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 70
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.08004
Epicentral distance of station farthest from the epicenter (degree) 0.88853
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 96766311
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-10-19 16:39:35

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 97342971
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-11-08 15:16:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.JOPP.HNN. 2021-10-19T16:31:10.64 0.6 undecidable manual P 48 98.6235 50 0.05 43
IV.IACL.HHE. 2021-10-19T16:31:08.19 0.1 undecidable manual P 314 82.251 50 0.11 88
IV.IFIL.HHN. 2021-10-19T16:31:07.08 0.6 undecidable manual P 327 72.5718 50 0.5 41
IV.MSFR.HHZ. 2021-10-19T16:31:06.70 0.6 undecidable manual S 273 38.8278 98 -0.14 47
IV.MILZ.HHZ. 2021-10-19T16:31:04.74 0.3 undecidable manual S 31 32.745 99 -0.01 74
IV.MPNC.HHZ. 2021-10-19T16:31:04.39 0.3 undecidable manual S 63 31.0467 100 0.22 71
IV.MCPD.HHZ. 2021-10-19T16:31:03.78 0.3 undecidable manual S 293 28.8489 100 0.36 69
IV.ILOS.HHZ. 2021-10-19T16:31:02.66 0.6 undecidable manual P 351 47.9187 50 -0.13 47
IV.IVPL.HHZ. 2021-10-19T16:31:01.36 0.3 undecidable manual P 353 39.9267 97 0.06 72
IV.IVUG.HHZ. 2021-10-19T16:31:01.65 0.1 undecidable manual P 354 42.0246 97 -0.07 95
IV.EPIT.HHZ. 2021-10-19T16:31:01.72 0.3 undecidable manual S 175 23.0547 103 0.27 71
IV.EMNR.HHZ. 2021-10-19T16:31:01.47 0.3 undecidable manual S 182 22.4553 103 0.25 71
IV.EMSG.HHZ. 2021-10-19T16:31:01.54 0.3 undecidable manual S 199 23.2545 103 0.05 74
IV.MSFR.HHZ. 2021-10-19T16:31:00.74 0.6 undecidable manual P 273 38.8278 98 -0.35 45
IV.ECTS.HHZ. 2021-10-19T16:30:59.48 0.3 undecidable manual S 154 16.872 107 0.11 74
IV.MPNC.HHZ. 2021-10-19T16:30:59.41 0.3 undecidable manual P 63 31.0467 100 -0.14 72
IV.MILZ.HHZ. 2021-10-19T16:30:59.83 0.3 undecidable manual P 31 32.745 99 -0.05 73
IV.ESVO.HHZ. 2021-10-19T16:30:59.38 0.3 undecidable manual P 196 28.3494 100 0.37 69
IV.MUCR.HHZ. 2021-10-19T16:30:58.76 0.3 undecidable manual S 281 14.3745 110 0.21 73
IV.MCPD.HHZ. 2021-10-19T16:30:58.97 0.1 undecidable manual P 293 28.8489 100 -0.14 96
IV.EMSG.HHZ. 2021-10-19T16:30:58.01 0.3 undecidable manual P 199 23.2545 103 0.01 75
IV.ECBD.HHZ. 2021-10-19T16:30:58.64 0.1 undecidable manual P 170 26.8509 101 -0.07 98
IV.EMCN.HHZ. 2021-10-19T16:30:58.06 0.1 undecidable manual P 180 25.2525 102 -0.34 93
IV.EPZF.HHZ. 2021-10-19T16:30:58.57 0.1 undecidable manual P 216 26.6511 101 -0.11 97
IV.EPIT.HHZ. 2021-10-19T16:30:57.96 0.3 undecidable manual P 175 23.0547 103 -0.01 75
IV.EMNR.HHZ. 2021-10-19T16:30:57.74 0.1 undecidable manual P 182 22.4553 103 -0.11 98
IV.MUCR.HHZ. 2021-10-19T16:30:56.10 0.1 undecidable manual P 281 14.3745 110 -0.2 97
IV.ECTS.HHZ. 2021-10-19T16:30:56.48 0.3 undecidable manual P 154 16.872 107 -0.3 71
IV.NOV.HHZ. 2021-10-19T16:30:56.99 0.3 undecidable manual S 84 8.88 121 0.19 74
IV.NOV.HHZ. 2021-10-19T16:30:55.17 0.1 undecidable manual P 84 8.88 121 -0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MUCR.HHE. ML:1.2 0.000195 1.24 AML other m 2021-10-19T16:30:59.14
IV.ECTS.HHN. ML:1.7 0.000528 1.68 AML other m 2021-10-19T16:30:59.15
IV.ECTS.HHE. ML:1.6 0.0004360000000000001 0.5 AML other m 2021-10-19T16:31:00.40
IV.MUCR.HHN. ML:1.4 0.000303 0.26 AML other m 2021-10-19T16:31:00.83
IV.EMSG.HHE. ML:2.0 0.000675 0.3 AML other m 2021-10-19T16:31:03.47
IV.EPIT.HHN. ML:2.0 0.000742 0.3 AML other m 2021-10-19T16:31:03.67
IV.EMSG.HHN. ML:2.0 0.0007030000000000001 1.3 AML other m 2021-10-19T16:31:03.08
IV.MCPD.HHE. ML:1.2 0.00009045 0.72 AML other m 2021-10-19T16:31:05.76
IV.MILZ.HHN. ML:1.5 0.00013550000000000001 0.54 AML other m 2021-10-19T16:31:06.00
IV.EPIT.HHE. ML:1.9 0.0006265000000000001 0.96 AML other m 2021-10-19T16:31:06.19
IV.MILZ.HHE. ML:1.8 0.000254 0.28 AML other m 2021-10-19T16:31:06.77
IV.MPNC.HHN. ML:1.4 0.00011115 1.2 AML other m 2021-10-19T16:31:07.65
IV.MCPD.HHN. ML:1.1 0.00006429999999999999 1.42 AML other m 2021-10-19T16:31:07.99
IV.EPZF.HHN. ML:1.6 0.000249 0.82 AML other m 2021-10-19T16:31:08.82
IV.MPNC.HHE. ML:1.4 0.00011599999999999999 1.18 AML other m 2021-10-19T16:31:09.16
IV.EPZF.HHE. ML:1.5 0.000199 0.58 AML other m 2021-10-19T16:31:09.24
IV.IVPL.HHE. ML:1.6 0.000126 0.44 AML other m 2021-10-19T16:31:13.28
IV.IVPL.HHN. ML:1.5 0.0001188 0.56 AML other m 2021-10-19T16:31:15.11
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