Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 12-03-2021 and time 08:40:26 (UTC) in region Basicò (ME)

A magnitude ML 2.1 earthquake occured in region: Basicò (ME), on

  • 12-03-2021 08:40:26 (UTC)
  • 12-03-2021 09:40:26 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.0600, 15.0600 at 9 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
Basicò ME 0 612 612
Tripi ME 4 873 1485
Montalbano Elicona ME 6 2287 3772
Falcone ME 7 2808 6580
Oliveri ME 7 2181 8761
Mazzarrà Sant'Andrea ME 8 1531 10292
Furnari ME 8 3784 14076
Novara di Sicilia ME 8 1337 15413
San Piero Patti ME 8 2915 18328
Librizzi ME 10 1660 19988
Rodì Milici ME 11 2056 22044
Patti ME 12 13431 35475
Terme Vigliatore ME 13 7395 42870
Montagnareale ME 13 1615 44485
Fondachelli-Fantina ME 13 1019 45504
Raccuja ME 13 1041 46545
Castroreale ME 14 2504 49049
Roccella Valdemone ME 15 666 49715
Floresta ME 15 485 50200
Ucria ME 16 1058 51258
Malvagna ME 16 733 51991
Sant'Angelo di Brolo ME 17 3090 55081
Barcellona Pozzo di Gotto ME 17 41583 96664
Moio Alcantara ME 18 717 97381
Santa Domenica Vittoria ME 18 980 98361
Sinagra ME 19 2705 101066
Francavilla di Sicilia ME 19 3945 105011
Antillo ME 19 919 105930
Gioiosa Marea ME 19 7074 113004

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km W of Messina (238439 inhabitants)
51 Km N of Acireale (52622 inhabitants)
52 Km W of Reggio di Calabria (183035 inhabitants)
62 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 2.1 2021-03-12
08:40:26		 38.0603 15.0595 9 2021-07-12
16:55:14		 Bollettino Sismico Italiano INGV 90968591
Reviewed
Rev100 		ML 2.0 2021-03-12
08:40:26		 38.0617 15.0605 9 2021-03-12
08:48:55		 Sala Sismica INGV-Roma 88029871
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-12 08:40:26 ± 0.04
Latitude 38.0603 ± 0.0036
Longitude 15.0595 ± 0.0034
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 90968591

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 325
Semi-minor axis of confidence ellipse (meter) 257
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 164
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 98
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) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.06925
Epicentral distance of station farthest from the epicenter (degree) 0.68528
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:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 88029871
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-12 08:48:55

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 17
Type of magnitude ML
Reference to an origin 90968591
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-06-09 10:22:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.CEL.HHZ. 2021-03-12T08:40:49.86 1.0 undecidable manual S 73 76.0683 50 0 23
IV.MSRU.HHZ. 2021-03-12T08:40:41.30 0.3 undecidable manual S 60 45.2214 50 -0.31 67
IV.MSFR.HHZ. 2021-03-12T08:40:40.06 0.6 undecidable manual S 266 41.0256 50 -0.43 44
IV.IVPL.HHZ. 2021-03-12T08:40:39.35 0.6 undecidable manual S 349 35.742 50 0.27 46
IV.IVGP.HHN. 2021-03-12T08:40:39.94 0.6 undecidable manual S 347 38.3283 50 0.17 47
MN.CEL.HHZ. 2021-03-12T08:40:39.93 0.6 undecidable manual P 73 76.0683 50 -0.1 44
IV.IVUG.HHZ. 2021-03-12T08:40:39.44 0.3 undecidable manual S 350 37.7289 50 -0.19 70
IV.MPNC.HHZ. 2021-03-12T08:40:36.43 0.3 undecidable manual S 69 27.3504 108 -0.15 72
IV.MILZ.HHZ. 2021-03-12T08:40:36.82 0.6 undecidable manual S 33 27.75 108 0.09 48
IV.MSRU.HHZ. 2021-03-12T08:40:35.37 0.1 undecidable manual P 60 45.2214 50 0.1 94
IV.IVGP.HHN. 2021-03-12T08:40:34.23 0.3 undecidable manual P 347 38.3283 50 0.02 72
IV.MSFR.HHZ. 2021-03-12T08:40:34.61 0.1 undecidable manual P 266 41.0256 50 -0.01 96
IV.IVUG.HHZ. 2021-03-12T08:40:34.22 0.1 undecidable manual P 350 37.7289 50 0.09 95
IV.ECTS.HHZ. 2021-03-12T08:40:34.64 0.3 undecidable manual S 165 20.4684 113 0.28 71
IV.IVPL.HHZ. 2021-03-12T08:40:33.99 0.1 undecidable manual P 349 35.742 50 0.18 94
IV.AIO.HHZ. 2021-03-12T08:40:33.36 0.6 undecidable manual S 123 18.0708 116 -0.25 48
IV.MUCR.HHZ. 2021-03-12T08:40:32.77 0.3 undecidable manual S 263 16.3725 119 -0.29 71
IV.MPNC.HHZ. 2021-03-12T08:40:32.26 0.1 undecidable manual P 69 27.3504 108 -0.1 97
IV.MILZ.HHZ. 2021-03-12T08:40:32.62 0.3 undecidable manual P 33 27.75 108 0.17 72
IV.ECTS.HHZ. 2021-03-12T08:40:31.28 0.3 undecidable manual P 165 20.4684 113 0.19 72
IV.AIO.HHZ. 2021-03-12T08:40:30.67 0.1 positive manual P 123 18.0708 116 0.02 100
IV.NOV.HHZ. 2021-03-12T08:40:30.49 0.3 undecidable manual S 118 7.6812 139 -0.19 74
IV.MUCR.HHZ. 2021-03-12T08:40:30.38 0.1 positive manual P 263 16.3725 119 0.05 100
IV.NOV.HHZ. 2021-03-12T08:40:29.07 0.1 positive manual P 118 7.6812 139 0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NOV.HHN. ML:2.7 0.0078383945 0.1408 AML other m 2021-03-12T08:40:30.67
IV.NOV.HHE. ML:2.7 0.008453331500000001 0.2368 AML other m 2021-03-12T08:40:31.63
IV.MUCR.HHE. ML:1.8 0.0005849879999999999 0.16 AML other m 2021-03-12T08:40:33.24
IV.MUCR.HHN. ML:1.8 0.0006732738 0.1984 AML other m 2021-03-12T08:40:33.29
IV.AIO.HHN. ML:2.1 0.001131 0.88 AML other m 2021-03-12T08:40:34.03
IV.AIO.HHE. ML:1.8 0.0005967477 0.256 AML other m 2021-03-12T08:40:34.69
IV.MILZ.HHN. ML:2.0 0.0004897111499999999 0.3776 AML other m 2021-03-12T08:40:37.55
IV.MILZ.HHE. ML:2.1 0.0006982359 0.3584 AML other m 2021-03-12T08:40:37.56
IV.MPNC.HHE. ML:2.2 0.0008312485 0.5056 AML other m 2021-03-12T08:40:38.10
IV.IVPL.HHE. ML:2.2 0.0006909763 0.3776 AML other m 2021-03-12T08:40:41.45
IV.MPNC.HHN. ML:2.2 0.0009810673999999999 1.0176 AML other m 2021-03-12T08:40:42.03
IV.MSRU.HHN. ML:1.7 0.00016084245 0.2368 AML other m 2021-03-12T08:40:42.58
IV.IVPL.HHN. ML:2.2 0.00074360265 2.8224 AML other m 2021-03-12T08:40:41.47
IV.MSRU.HHE. ML:1.9 0.000217582 0.8256 AML other m 2021-03-12T08:40:43.49
IV.MSFR.HHN. ML:2.0 0.00030802045 1.2416 AML other m 2021-03-12T08:40:44.39
MN.CEL.HNN. ML:2.0 0.0001402445 1.0048 AML other m 2021-03-12T08:40:58.86
MN.CEL.HHN. ML:2.0 0.00015281329999999998 1.2032 AML other m 2021-03-12T08:40:58.87
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