Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 24-07-2021 and time 13:38:58 (Italy) in region 2 km SW Terme Vigliatore (ME)

A magnitude ML 1.5 earthquake occured in region: 2 km SW Terme Vigliatore (ME), on

  • 24-07-2021 11:38:58 (UTC)
  • 24-07-2021 13:38:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.1250, 15.1460 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
Terme Vigliatore ME 2 7395 7395
Rodì Milici ME 3 2056 9451
Furnari ME 3 3784 13235
Mazzarrà Sant'Andrea ME 4 1531 14766
Falcone ME 6 2808 17574
Castroreale ME 6 2504 20078
Barcellona Pozzo di Gotto ME 7 41583 61661
Oliveri ME 8 2181 63842
Tripi ME 9 873 64715
Basicò ME 10 612 65327
Merì ME 10 2338 67665
Novara di Sicilia ME 12 1337 69002
San Filippo del Mela ME 12 7115 76117
Santa Lucia del Mela ME 12 4650 80767
Milazzo ME 14 31646 112413
Pace del Mela ME 15 6239 118652
Fondachelli-Fantina ME 16 1019 119671
Gualtieri Sicaminò ME 16 1807 121478
Patti ME 16 13431 134909
Montalbano Elicona ME 16 2287 137196
Librizzi ME 17 1660 138856
Condrò ME 17 493 139349
Montagnareale ME 17 1615 140964
San Piero Patti ME 18 2915 143879
San Pier Niceto ME 18 2837 146716
Antillo ME 19 919 147635
Torregrotta ME 20 7431 155066

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km W of Messina (238439 inhabitants)
44 Km W of Reggio di Calabria (183035 inhabitants)
57 Km N of Acireale (52622 inhabitants)
69 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 1.5 2021-07-24
11:38:58		 38.1252 15.146 10 2021-12-29
11:12:15		 Bollettino Sismico Italiano INGV 93297361
Reviewed
Rev100 		ML 1.6 2021-07-24
11:38:58		 38.1217 15.1507 11 2021-07-24
11:46:51		 Sala Sismica INGV-Roma 93146941
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-07-24 11:38:58 ± 0.06
Latitude 38.1252 ± 0.0036
Longitude 15.1460 ± 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 93297361

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 413
Semi-minor axis of confidence ellipse (meter) 366
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 259
Circular confidence region, given by single value of horizontal uncertainty (meter) 410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 92
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.09713
Epicentral distance of station farthest from the epicenter (degree) 0.44516
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 93146941
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-07-24 11:46:51

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 13
Type of magnitude ML
Reference to an origin 93297361
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-07-28 09:42:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MSRU.HHZ. 2021-07-24T11:39:10.44 0.6 undecidable manual S 64 35.1426 50 0.02 49
IV.IVUG.HHZ. 2021-07-24T11:39:09.74 0.6 undecidable manual S 335 33.1446 50 -0.15 48
IV.IVPL.HHZ. 2021-07-24T11:39:09.44 0.6 undecidable manual S 333 31.3464 50 0.02 50
IV.ECTS.HHZ. 2021-07-24T11:39:08.61 0.6 undecidable manual S 185 27.0507 110 0.37 46
IV.MUCR.HHZ. 2021-07-24T11:39:07.49 0.3 undecidable manual S 249 25.4523 111 -0.22 72
IV.MSFR.HHZ. 2021-07-24T11:39:07.48 0.1 positive manual P 258 49.4172 50 -0.01 96
IV.EPIT.HHN. 2021-07-24T11:39:05.98 1.0 undecidable manual P 193 35.6421 50 0.61 21
IV.EMNR.HHZ. 2021-07-24T11:39:05.99 0.6 undecidable manual P 197 35.742 50 0.61 43
IV.MILZ.HHZ. 2021-07-24T11:39:05.51 0.3 undecidable manual S 25 17.871 118 0.2 73
IV.AIO.HHE. 2021-07-24T11:39:05.20 0.3 undecidable manual S 156 18.6702 117 -0.37 71
IV.ECTS.HHZ. 2021-07-24T11:39:04.11 0.1 undecidable manual P 185 27.0507 110 0.09 98
IV.MSRU.HHZ. 2021-07-24T11:39:04.95 0.1 positive manual P 64 35.1426 50 -0.34 92
IV.IVUG.HHZ. 2021-07-24T11:39:04.87 0.1 undecidable manual P 335 33.1446 50 -0.11 97
IV.IVPL.HHZ. 2021-07-24T11:39:04.78 0.1 positive manual P 333 31.3464 50 0.07 98
IV.MUCR.HHZ. 2021-07-24T11:39:03.63 0.1 undecidable manual P 249 25.4523 111 -0.09 99
IV.NOV.HHZ. 2021-07-24T11:39:03.19 0.6 undecidable manual S 184 10.7781 132 -0.11 50
IV.MILZ.HHZ. 2021-07-24T11:39:02.47 0.1 undecidable manual P 25 17.871 118 0.13 99
IV.AIO.HHE. 2021-07-24T11:39:02.38 0.1 positive manual P 156 18.6702 117 -0.1 100
IV.NOV.HHZ. 2021-07-24T11:39:01.32 0.1 negative manual P 184 10.7781 132 0.15 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NOV.HHE. ML:1.5 0.00039634395 0.3392 AML other m 2021-07-24T11:39:03.79
IV.NOV.HHN. ML:1.5 0.00037440015000000004 0.1408 AML other m 2021-07-24T11:39:04.54
IV.MILZ.HHE. ML:1.9 0.0006910000000000001 0.28 AML other m 2021-07-24T11:39:05.76
IV.MILZ.HHN. ML:1.4 0.00020413685 0.2816 AML other m 2021-07-24T11:39:05.80
IV.MUCR.HHN. ML:1.4 0.000153 0.38 AML other m 2021-07-24T11:39:07.85
IV.ECTS.HHN. ML:1.5 0.00017397270000000002 0.2176 AML other m 2021-07-24T11:39:08.74
IV.MUCR.HHE. ML:1.2 0.00009648625999999999 0.3008 AML other m 2021-07-24T11:39:08.85
IV.MSRU.HHN. ML:1.6 0.000158 0.24 AML other m 2021-07-24T11:39:10.13
IV.IVPL.HHE. ML:1.8 0.0003165 0.38 AML other m 2021-07-24T11:39:11.36
IV.IVPL.HHN. ML:1.8 0.000259729 0.4032 AML other m 2021-07-24T11:39:11.80
IV.MSRU.HHE. ML:1.5 0.00012449099999999998 0.4032 AML other m 2021-07-24T11:39:12.99
IV.MSFR.HHE. ML:0.8 0.00001540569 0.32 AML other m 2021-07-24T11:39:15.61
IV.MSFR.HHN. ML:0.9 0.0000195820095 0.1984 AML other m 2021-07-24T11:39:16.60
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