Earthquake with magnitude of ML 2.2 on date 17-05-2012 and time 04:32:21 (Italy) in region 3 km W Gaggi (ME)

A magnitude ML 2.2 earthquake occured in region: 3 km W Gaggi (ME), on

  • 17-05-2012 02:32:21 (UTC)
  • 17-05-2012 04:32:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.8600, 15.1890 at 31 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Gaggi ME 3 3184 3184
Linguaglossa CT 4 5403 8587
Motta Camastra ME 4 845 9432
Graniti ME 5 1492 10924
Calatabiano CT 5 5308 16232
Piedimonte Etneo CT 6 3963 20195
Castiglione di Sicilia CT 6 3215 23410
Francavilla di Sicilia ME 7 3945 27355
Fiumefreddo di Sicilia CT 8 9623 36978
Castelmola ME 8 1088 38066
Giardini-Naxos ME 8 9415 47481
Taormina ME 8 10960 58441
Mongiuffi Melia ME 9 600 59041
Gallodoro ME 10 367 59408
Roccafiorita ME 11 197 59605
Letojanni ME 11 2861 62466
Mascali CT 11 14282 76748
Limina ME 12 836 77584
Moio Alcantara ME 13 717 78301
Sant'Alfio CT 13 1582 79883
Malvagna ME 14 733 80616
Antillo ME 14 919 81535
Riposto CT 14 14838 96373
Fondachelli-Fantina ME 14 1019 97392
Giarre CT 14 27659 125051
Forza d'Agrò ME 14 911 125962
Sant'Alessio Siculo ME 15 1554 127516
Casalvecchio Siculo ME 16 842 128358
Milo CT 16 1087 129445
Savoca ME 17 1732 131177
Roccella Valdemone ME 18 666 131843
Novara di Sicilia ME 18 1337 133180
Santa Teresa di Riva ME 19 9377 142557
Santa Venerina CT 20 8592 151149
Mandanici ME 20 601 151750
Zafferana Etnea CT 20 9517 161267

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km N of Acireale (52622 inhabitants)
41 Km N of Catania (314555 inhabitants)
49 Km SW of Reggio di Calabria (183035 inhabitants)
49 Km SW of Messina (238439 inhabitants)
89 Km N of Siracusa (122291 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 2012-05-17
02:32:21
37.8598 15.1887 31 2014-09-19
08:14:18
Bollettino Sismico Italiano INGV 3017111
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2012-05-17 02:32:21 ± 0.27
Latitude 37.8598 ± 0.0099
Longitude 15.1887 ± 0.0216
Depth (km) 31 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 3017111

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1672
Semi-minor axis of confidence ellipse (meter) 1395
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 307
Circular confidence region, given by single value of horizontal uncertainty (meter) 1670.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 153
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.17267
Epicentral distance of station farthest from the epicenter (degree) 0.90112
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 3017111
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2014-09-18 12:44:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HAVL.HHZ. 2012-05-17T02:32:51.47 0.6 undecidable manual S 183 100.0221 103 0.57 38
IV.SSY.HHZ. 2012-05-17T02:32:46.00 0.6 undecidable manual S 187 78.5658 106 0.66 38
IV.AGST.EHZ. 2012-05-17T02:32:42.37 0.3 undecidable manual S 177 66.9774 110 -0.04 69
IV.HCRL.HHZ. 2012-05-17T02:32:41.97 0.6 undecidable manual S 192 65.49 110 -0.05 46
IV.HLNI.HHZ. 2012-05-17T02:32:41.15 0.6 undecidable manual S 206 63.1923 111 -0.3 44
IV.HAVL.HHZ. 2012-05-17T02:32:38.19 0.1 undecidable manual P 183 100.0221 103 -0.14 85
IV.MUCR.HHZ. 2012-05-17T02:32:35.04 0.6 undecidable manual S 307 34.2435 127 0.4 46
IV.SSY.HHZ. 2012-05-17T02:32:35.07 0.1 undecidable manual P 187 78.5658 106 -0.05 90
IV.MPNC.HHZ. 2012-05-17T02:32:35.57 0.6 undecidable manual S 24 34.8429 127 0.79 39
IV.AGST.EHZ. 2012-05-17T02:32:33.24 0.1 undecidable manual P 177 66.9774 110 -0.19 90
IV.HCRL.HHZ. 2012-05-17T02:32:33.19 0.1 undecidable manual P 192 65.49 110 -0.01 93
IV.HLNI.HHZ. 2012-05-17T02:32:32.63 0.1 undecidable manual P 206 63.1923 111 -0.24 89
IV.MCSR.HHZ. 2012-05-17T02:32:32.12 0.3 undecidable manual S 9 22.9548 140 -0.34 70
IV.NOV.HHZ. 2012-05-17T02:32:31.51 0.6 undecidable manual S 346 19.1697 145 -0.32 47
IV.MUCR.HHZ. 2012-05-17T02:32:29.66 0.3 undecidable manual P 307 34.2435 127 0.72 62
IV.MPNC.HHZ. 2012-05-17T02:32:28.70 0.6 undecidable manual P 24 34.8429 127 -0.32 46
IV.NOV.HHZ. 2012-05-17T02:32:27.15 0.1 undecidable manual P 346 19.1697 145 -0.17 97
IV.MCSR.HHZ. 2012-05-17T02:32:27.67 0.1 undecidable manual P 9 22.9548 140 -0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MCSR.HHE. ML:2.0 0.0004265 0.44 AML other m 2012-05-17T02:32:32.29
IV.MCSR.HHN. ML:2.3 0.0006919999999999999 1.04 AML other m 2012-05-17T02:32:32.58
IV.SSY.HHN. ML:2.3 0.0002605 1.28 AML other m 2012-05-17T02:32:47.67
IV.SSY.HHE. ML:2.1 0.0001595 1.44 AML other m 2012-05-17T02:32:48.54
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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