Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 27-05-2018 and time 21:12:34 (Italy) in region 12 km SE Bronte (CT)

A magnitude ML 2.2 earthquake occured in region: 12 km SE Bronte (CT), on

  • 27-05-2018 19:12:34 (UTC)
  • 27-05-2018 21:12:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7390, 14.9490 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
Bronte CT 12 19172 19172
Ragalna CT 12 3924 23096
Maletto CT 12 3920 27016
Biancavilla CT 13 24007 51023
Adrano CT 13 36122 87145
Zafferana Etnea CT 15 9517 96662
Santa Maria di Licodia CT 15 7641 104303
Milo CT 15 1087 105390
Nicolosi CT 15 7463 112853
Randazzo CT 16 10900 123753
Belpasso CT 17 28108 151861
Pedara CT 17 14102 165963
Sant'Alfio CT 17 1582 167545
Santa Venerina CT 18 8592 176137
Trecastagni CT 18 10910 187047
Paternò CT 18 48228 235275
Maniace CT 19 3765 239040
Viagrande CT 19 8563 247603
San Pietro Clarenza CT 20 7743 255346
Camporotondo Etneo CT 20 5023 260369
Santa Domenica Vittoria ME 20 980 261349
Moio Alcantara ME 20 717 262066

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km NW of Acireale (52622 inhabitants)
29 Km NW of Catania (314555 inhabitants)
74 Km SW of Messina (238439 inhabitants)
74 Km SW of Reggio di Calabria (183035 inhabitants)
81 Km NW of Siracusa (122291 inhabitants)
83 Km E of Caltanissetta (63360 inhabitants)
92 Km N of Ragusa (73313 inhabitants)
95 Km NE of Vittoria (63339 inhabitants)
97 Km NE of Gela (75827 inhabitants)
99 Km N of Modica (54633 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 2018-05-27
19:12:34		 37.7393 14.9488 9 2019-04-24
14:50:57		 Bollettino Sismico Italiano INGV 61871801
Reviewed
Rev100 		ML 2.2 2018-05-27
19:12:35		 37.7388 14.9438 8 2018-05-27
19:29:48		 Sala Sismica INGV-Roma 57291771
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-05-27 19:12:34 ± 0.08
Latitude 37.7393 ± 0.0045
Longitude 14.9488 ± 0.0102
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 61871801

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 905
Semi-minor axis of confidence ellipse (meter) 330
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 263
Circular confidence region, given by single value of horizontal uncertainty (meter) 910.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 49
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 28
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) 0.05036
Epicentral distance of station farthest from the epicenter (degree) 1.03242
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:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 34
Type of magnitude ML
Reference to an origin 61871801
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-03-25 10:12:43

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 34
Type of magnitude ML
Reference to an origin 57291771
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-05-27 19:29:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MEU.SHZ. 2018-05-27T19:12:57.45 1.0 undecidable manual S 189 70.4739 50 0.75 18
IV.SSY.HHZ. 2018-05-27T19:12:56.32 0.6 undecidable manual S 170 65.49 50 0.96 34
IV.HPAC.HHZ. 2018-05-27T19:12:54.13 0.6 undecidable manual P 176 114.5964 50 -0.17 40
MN.CEL.HHZ. 2018-05-27T19:12:52.66 1.0 undecidable manual P 55 100.8213 50 0.48 19
IV.HAGA.HHZ. 2018-05-27T19:12:52.95 1.0 undecidable manual S 160 53.6019 50 0.77 19
IV.HMDC.HHZ. 2018-05-27T19:12:50.31 0.6 undecidable manual P 190 87.7455 50 0.14 42
IV.RAFF.HHZ. 2018-05-27T19:12:48.28 0.6 undecidable manual P 222 77.1672 50 -0.25 42
IV.MUCR.HHZ. 2018-05-27T19:12:47.39 0.6 undecidable manual S 349 34.3434 50 0.34 45
IV.MEU.SHZ. 2018-05-27T19:12:47.59 0.6 undecidable manual P 189 70.4739 50 0.09 44
IV.MTTG.HHZ. 2018-05-27T19:12:47.80 1.0 undecidable manual P 66 71.9724 50 0.06 22
IV.SSY.HHZ. 2018-05-27T19:12:46.51 0.6 undecidable manual P 170 65.49 50 -0.22 44
IV.HAGA.HHZ. 2018-05-27T19:12:44.64 0.3 undecidable manual P 160 53.6019 50 -0.25 66
IV.CAGR.HHZ. 2018-05-27T19:12:44.27 0.6 undecidable manual P 252 41.5251 50 1.24 31
IV.HLNI.HHZ. 2018-05-27T19:12:42.76 0.3 undecidable manual P 189 43.9227 50 -0.64 61
IV.NOV.HHZ. 2018-05-27T19:12:41.88 0.3 undecidable manual P 27 35.9418 50 -0.3 68
IV.AIO.HHZ. 2018-05-27T19:12:41.94 0.6 undecidable manual P 44 35.8419 50 -0.22 46
IV.MUCR.HHZ. 2018-05-27T19:12:41.56 0.1 undecidable manual P 349 34.3434 50 -0.37 89
IV.MNO.SHZ. 2018-05-27T19:12:41.62 0.1 negative manual P 314 30.747 106 0.26 92
IV.GALF.HHZ. 2018-05-27T19:12:41.44 1.0 undecidable manual P 265 33.744 50 -0.4 22
IV.EPZF.HHZ. 2018-05-27T19:12:40.42 0.6 undecidable manual S 319 12.3765 126 0.2 48
IV.ESML.HHZ. 2018-05-27T19:12:40.92 0.6 undecidable manual S 204 14.7741 121 0.01 50
IV.EMSG.HHZ. 2018-05-27T19:12:39.99 0.6 undecidable manual S 1 9.0798 134 0.66 43
IV.EPOZ.HHZ. 2018-05-27T19:12:39.95 0.1 undecidable manual P 109 22.3554 112 0.2 95
IV.ESLN.HHZ. 2018-05-27T19:12:38.57 0.6 undecidable manual S 156 5.5944 148 0 51
IV.EMSG.HHZ. 2018-05-27T19:12:37.43 0.1 undecidable manual P 1 9.0798 134 -0.04 100
IV.EPZF.HHZ. 2018-05-27T19:12:37.58 0.3 undecidable manual P 319 12.3765 126 -0.41 69
IV.ESML.HHZ. 2018-05-27T19:12:37.90 0.6 undecidable manual P 204 14.7741 121 -0.49 45
IV.ESLN.HHZ. 2018-05-27T19:12:36.74 1.0 undecidable manual P 156 5.5944 148 -0.29 24
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EMSG.HHE. ML:2.7 0.007195 0.3 AML other m 2018-05-27T19:12:40.33
IV.EMSG.HHN. ML:2.6 0.006225 0.52 AML other m 2018-05-27T19:12:40.77
IV.EPZF.HHE. ML:2.5 0.0037749999999999997 0.58 AML other m 2018-05-27T19:12:41.38
IV.ESML.HHE. ML:2.6 0.0035700000000000003 0.88 AML other m 2018-05-27T19:12:41.51
IV.EPZF.HHN. ML:2.4 0.003105 0.42 AML other m 2018-05-27T19:12:41.68
IV.ESML.HHN. ML:2.7 0.005699999999999999 1.42 AML other m 2018-05-27T19:12:46.02
IV.EPOZ.HHE. ML:2.2 0.001005 0.66 AML other m 2018-05-27T19:12:46.38
IV.MUCR.HHE. ML:2.0 0.00041400000000000003 0.34 AML other m 2018-05-27T19:12:49.70
IV.MNO.SHN. ML:0.0 0.0010165 0.56 AML other m 2018-05-27T19:12:50.46
IV.EPOZ.HHN. ML:2.0 0.0007785 0.32 AML other m 2018-05-27T19:12:51.22
IV.GALF.HNN. ML:1.8 0.000304 0.98 AML other m 2018-05-27T19:12:51.63
IV.GALF.HHN. ML:2.3 0.0008355 0.36 AML other m 2018-05-27T19:12:51.62
IV.HLNI.HHE. ML:1.8 0.000188 1.54 AML other m 2018-05-27T19:12:52.03
IV.HLNI.HHN. ML:1.9 0.0002285 0.6 AML other m 2018-05-27T19:12:52.80
IV.GALF.HHE. ML:2.2 0.000718 0.62 AML other m 2018-05-27T19:12:53.65
IV.GALF.HNE. ML:1.7 0.00023649999999999998 0.54 AML other m 2018-05-27T19:12:53.40
IV.MUCR.HHN. ML:2.0 0.0004685 0.34 AML other m 2018-05-27T19:12:53.71
IV.HAGA.HHE. ML:1.9 0.000187 1.04 AML other m 2018-05-27T19:12:53.28
IV.AIO.HHN. ML:2.0 0.000441 1.16 AML other m 2018-05-27T19:12:53.85
IV.MNO.SHE. ML:0.0 0.0008625000000000001 0.52 AML other m 2018-05-27T19:12:53.62
IV.AIO.HHE. ML:2.1 0.0005365 0.68 AML other m 2018-05-27T19:12:54.45
IV.HAGA.HHN. ML:1.9 0.00020600000000000002 0.92 AML other m 2018-05-27T19:12:57.32
IV.CAGR.HHN. ML:2.3 0.0006094999999999999 0.48 AML other m 2018-05-27T19:12:58.60
IV.SSY.HHN. ML:2.5 0.000594 1 AML other m 2018-05-27T19:12:59.69
IV.SSY.HHE. ML:2.4 0.00041049999999999995 1.64 AML other m 2018-05-27T19:13:00.93
IV.CAGR.HHE. ML:2.2 0.0005794999999999999 0.5 AML other m 2018-05-27T19:13:03.46
IV.RAFF.HHN. ML:1.9 0.000123 0.84 AML other m 2018-05-27T19:13:03.76
IV.MTTG.HHN. ML:1.9 0.000122 0.6 AML other m 2018-05-27T19:13:03.52
IV.HMDC.HHN. ML:2.7 0.0006705 0.36 AML other m 2018-05-27T19:13:04.64
IV.RAFF.HHE. ML:2.0 0.000166 0.48 AML other m 2018-05-27T19:13:05.09
IV.HMDC.HHE. ML:2.4 0.000324 0.74 AML other m 2018-05-27T19:13:05.43
IV.MEU.SHN. ML:0.0 0.000321 0.32 AML other m 2018-05-27T19:13:07.81
IV.MEU.SHE. ML:0.0 0.00025 0.36 AML other m 2018-05-27T19:13:08.67
MN.CEL.HHE. ML:1.8 0.00006604999999999999 0.86 AML other m 2018-05-27T19:13:10.52
IV.HPAC.HHE. ML:2.3 0.0001645 0.96 AML other m 2018-05-27T19:13:10.33
IV.HPAC.HHN. ML:2.4 0.00020850000000000003 1.02 AML other m 2018-05-27T19:13:14.56
IV.MTTG.HHE. ML:1.8 0.0000942 1.42 AML other m 2018-05-27T19:13:14.99
MN.CEL.HHN. ML:1.8 0.0000724 1.16 AML other m 2018-05-27T19:13:15.34
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