Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 26-08-2021 and time 04:40:44 (Italy) in region 3 km E Terme Vigliatore (ME)

A magnitude ML 1.5 earthquake occured in region: 3 km E Terme Vigliatore (ME), on

  • 26-08-2021 02:40:44 (UTC)
  • 26-08-2021 04:40:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.1320, 15.1940 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 3 7395 7395
Barcellona Pozzo di Gotto ME 3 41583 48978
Rodì Milici ME 3 2056 51034
Castroreale ME 4 2504 53538
Merì ME 6 2338 55876
Furnari ME 7 3784 59660
Mazzarrà Sant'Andrea ME 7 1531 61191
Santa Lucia del Mela ME 8 4650 65841
San Filippo del Mela ME 8 7115 72956
Falcone ME 10 2808 75764
Milazzo ME 11 31646 107410
Pace del Mela ME 11 6239 113649
Gualtieri Sicaminò ME 11 1807 115456
Oliveri ME 12 2181 117637
Tripi ME 12 873 118510
Condrò ME 13 493 119003
Novara di Sicilia ME 14 1337 120340
Basicò ME 14 612 120952
San Pier Niceto ME 14 2837 123789
Torregrotta ME 16 7431 131220
Fondachelli-Fantina ME 16 1019 132239
Monforte San Giorgio ME 17 2777 135016
Roccavaldina ME 17 1133 136149
Valdina ME 17 1355 137504
Antillo ME 18 919 138423
Venetico ME 18 3911 142334
Mandanici ME 18 601 142935
Spadafora ME 19 5021 147956
Montalbano Elicona ME 20 2287 150243

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km W of Messina (238439 inhabitants)
40 Km W of Reggio di Calabria (183035 inhabitants)
58 Km N of Acireale (52622 inhabitants)
70 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 2021-08-26
02:40:44		 38.1317 15.1937 10 2021-12-29
11:12:52		 Bollettino Sismico Italiano INGV 97786661
Reviewed
Rev100 		ML 1.5 2021-08-26
02:40:44		 38.1338 15.1893 10 2021-08-26
03:03:38		 Sala Sismica INGV-Roma 94643841
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-26 02:40:44 ± 0.06
Latitude 38.1317 ± 0.0036
Longitude 15.1937 ± 0.0046
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 97786661

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 385
Semi-minor axis of confidence ellipse (meter) 359
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 134
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 61
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.11331
Epicentral distance of station farthest from the epicenter (degree) 0.48384
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 97786661
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-11-25 16:29:52

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 94643841
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-08-26 03:03:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MSFR.HHZ. 2021-08-26T02:41:02.04 0.6 undecidable manual S 259 53.7018 50 0.54 42
IV.MTTG.HHZ. 2021-08-26T02:41:00.26 0.6 undecidable manual S 108 46.4202 50 0.69 40
IV.MCPD.HHE. 2021-08-26T02:40:57.39 0.6 undecidable manual S 268 40.4262 50 -0.57 42
IV.IVUG.HHZ. 2021-08-26T02:40:56.63 0.6 undecidable manual S 328 34.4433 50 0.26 46
IV.IVGP.HHN. 2021-08-26T02:40:56.55 0.6 undecidable manual S 325 35.742 50 -0.16 47
IV.IVPL.HNE. 2021-08-26T02:40:55.88 0.6 undecidable manual S 326 32.9448 50 -0.08 48
IV.MSRU.HHZ. 2021-08-26T02:40:55.12 0.3 undecidable manual S 62 31.1466 50 -0.35 68
IV.MSFR.HHZ. 2021-08-26T02:40:54.57 0.3 undecidable manual P 259 53.7018 50 0.27 67
IV.MUCR.HHZ. 2021-08-26T02:40:54.70 0.3 undecidable manual S 251 29.6481 50 -0.38 68
IV.MTTG.HHZ. 2021-08-26T02:40:53.02 0.1 undecidable manual P 108 46.4202 50 -0.17 92
IV.MCPD.HHE. 2021-08-26T02:40:52.10 0.3 undecidable manual P 268 40.4262 50 -0.16 70
IV.IVGP.HHN. 2021-08-26T02:40:51.67 0.3 undecidable manual P 325 35.742 50 0.13 71
IV.IVPL.HNE. 2021-08-26T02:40:51.25 0.3 undecidable manual P 326 32.9448 50 0.15 71
IV.IVUG.HHZ. 2021-08-26T02:40:51.46 0.3 undecidable manual P 328 34.4433 50 0.12 71
IV.AIO.HHZ. 2021-08-26T02:40:51.35 0.3 undecidable manual S 169 18.1707 119 -0.29 71
IV.MPNC.HHE. 2021-08-26T02:40:50.40 0.3 undecidable manual S 83 13.9749 125 -0.02 76
IV.MSRU.HHZ. 2021-08-26T02:40:50.69 0.1 undecidable manual P 62 31.1466 50 -0.13 96
IV.MILZ.HHZ. 2021-08-26T02:40:50.69 0.3 undecidable manual S 12 15.873 122 -0.26 72
IV.MUCR.HHZ. 2021-08-26T02:40:50.71 0.1 undecidable manual P 251 29.6481 50 0.12 96
IV.NOV.HHZ. 2021-08-26T02:40:49.95 0.3 undecidable manual S 203 12.5763 128 -0.07 75
IV.MILZ.HHZ. 2021-08-26T02:40:48.31 0.1 undecidable manual P 12 15.873 122 0.1 99
IV.AIO.HHZ. 2021-08-26T02:40:48.63 0.1 undecidable manual P 169 18.1707 119 0.02 100
IV.MPNC.HHE. 2021-08-26T02:40:48.13 0.1 undecidable manual P 83 13.9749 125 0.23 97
IV.NOV.HHZ. 2021-08-26T02:40:47.83 0.1 undecidable manual P 203 12.5763 128 0.16 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NOV.HHN. ML:1.6 0.00044950000000000003 0.18 AML other m 2021-08-26T02:40:50.32
IV.MILZ.HHN. ML:1.8 0.0006174999999999999 1.56 AML other m 2021-08-26T02:40:50.97
IV.NOV.HHE. ML:1.6 0.00047950000000000005 1.52 AML other m 2021-08-26T02:40:51.76
IV.MILZ.HHE. ML:1.9 0.00078 1.7 AML other m 2021-08-26T02:40:51.07
IV.AIO.HHE. ML:1.5 0.000252 0.2 AML other m 2021-08-26T02:40:51.67
IV.AIO.HHN. ML:1.7 0.00040449999999999997 0.2 AML other m 2021-08-26T02:40:51.95
IV.MSRU.HHE. ML:1.3 0.00009955 0.24 AML other m 2021-08-26T02:40:55.73
IV.MUCR.HHE. ML:1.0 0.000050900000000000004 0.9 AML other m 2021-08-26T02:40:55.77
IV.MSRU.HHN. ML:1.2 0.0000712 0.68 AML other m 2021-08-26T02:40:56.17
IV.MUCR.HHN. ML:1.0 0.000048849999999999995 0.6 AML other m 2021-08-26T02:40:56.04
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