Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 27-04-2020 and time 14:46:17 (Italy) in region 6 km SE Troina (EN)

A magnitude ML 2.2 earthquake occured in region: 6 km SE Troina (EN), on

  • 27-04-2020 12:46:17 (UTC)
  • 27-04-2020 14:46:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7550, 14.6520 at 29 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
Troina EN 6 9373 9373
Gagliano Castelferrato EN 11 3593 12966
San Teodoro ME 11 1403 14369
Cesarò ME 11 2439 16808
Regalbuto EN 11 7277 24085
Cerami EN 14 2006 26091
Agira EN 16 8345 34436
Bronte CT 16 19172 53608
Centuripe EN 17 5470 59078
Maniace CT 18 3765 62843
Capizzi ME 19 3176 66019
Adrano CT 19 36122 102141

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km NW of Catania (314555 inhabitants)
48 Km W of Acireale (52622 inhabitants)
60 Km NE of Caltanissetta (63360 inhabitants)
84 Km NE of Gela (75827 inhabitants)
90 Km N of Vittoria (63339 inhabitants)
92 Km N of Ragusa (73313 inhabitants)
93 Km SW of Messina (238439 inhabitants)
96 Km W of Reggio di Calabria (183035 inhabitants)
96 Km NW of Siracusa (122291 inhabitants)
100 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 2020-04-27
12:46:17		 37.755 14.6523 29 2020-07-18
21:08:37		 Bollettino Sismico Italiano INGV 79563921
Reviewed
Rev100 		ML 2.3 2020-04-27
12:46:17		 37.7608 14.6313 36 2020-04-27
12:53:46		 Sala Sismica INGV-Roma 78624811
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-27 12:46:17 ± 0.12
Latitude 37.7550 ± 0.0063
Longitude 14.6523 ± 0.0102
Depth (km) 29 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 79563921

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 870
Semi-minor axis of confidence ellipse (meter) 65
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 265
Circular confidence region, given by single value of horizontal uncertainty (meter) 870.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 42
Number of associated phases, regardless of their use for origin computation 45
Number of defining phases 45
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.41
Epicentral distance of station closest to the epicenter (degree) 0.17537
Epicentral distance of station farthest from the epicenter (degree) 1.35438
Number of stations at which the event was observed 37
Number of stations from which data was used for origin computation 37
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 54
Type of magnitude ML
Reference to an origin 78624811
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-27 12:53:46

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 54
Type of magnitude ML
Reference to an origin 79563921
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-05-25 23:41:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MBFT.HHZ. 2020-04-27T12:46:42.89 0.6 undecidable manual P 279 150.3384 54 1.2 27
IV.CRJA.HHZ. 2020-04-27T12:46:41.66 0.6 undecidable manual P 273 144.5442 54 0.68 35
IV.SSY.HHZ. 2020-04-27T12:46:41.90 0.3 undecidable manual S 151 75.9684 106 0.55 65
IV.MEU.EHZ. 2020-04-27T12:46:40.70 0.3 undecidable manual S 168 73.0713 106 0.07 72
IV.HPAC.HHZ. 2020-04-27T12:46:38.58 0.3 undecidable manual P 164 120.99 54 0.54 59
MN.CEL.HHZ. 2020-04-27T12:46:37.54 0.6 undecidable manual P 62 122.1888 54 -0.65 37
IV.PETRA.HHZ. 2020-04-27T12:46:35.04 0.6 undecidable manual S 281 47.9187 115 0.71 42
IV.CLTA.HHZ. 2020-04-27T12:46:34.08 0.6 undecidable manual P 223 89.9433 103 0.52 42
IV.HLNI.HHZ. 2020-04-27T12:46:34.40 0.3 undecidable manual S 157 49.0176 115 -0.2 74
IV.IFIL.HHN. 2020-04-27T12:46:33.63 0.6 undecidable manual P 356 90.0432 103 0.05 47
IV.IACL.HHZ. 2020-04-27T12:46:33.10 0.3 undecidable manual P 343 90.1431 103 -0.49 64
IV.MSRU.HHZ. 2020-04-27T12:46:33.74 0.6 undecidable manual P 53 93.7395 102 -0.4 43
IV.MUCR.HHZ. 2020-04-27T12:46:31.70 0.3 undecidable manual S 31 37.3293 122 -0.16 75
IV.IVPL.HHZ. 2020-04-27T12:46:31.43 0.6 undecidable manual P 22 74.6697 106 0.15 48
IV.IVGP.HHN. 2020-04-27T12:46:31.92 0.3 undecidable manual P 21 76.1682 106 0.42 67
IV.MILZ.HHZ. 2020-04-27T12:46:31.59 0.3 undecidable manual P 41 76.4679 105 0.04 73
IV.MPNC.HHZ. 2020-04-27T12:46:31.60 0.1 undecidable manual P 54 75.0693 106 0.25 93
IV.RESU.HHZ. 2020-04-27T12:46:30.35 0.3 undecidable manual P 257 53.6019 113 2.13 26
IV.SSY.HHZ. 2020-04-27T12:46:30.87 0.1 undecidable manual P 151 75.9684 106 -0.6 84
IV.MEU.EHZ. 2020-04-27T12:46:30.29 0.3 undecidable manual P 168 73.0713 106 -0.77 60
IV.MSFR.HHZ. 2020-04-27T12:46:30.50 0.3 undecidable manual S 350 31.4463 128 -0.05 78
IV.RAFF.HHZ. 2020-04-27T12:46:29.38 0.3 undecidable manual P 203 64.3911 109 -0.39 69
IV.EPZF.HHZ. 2020-04-27T12:46:29.00 0.6 undecidable manual S 67 19.4694 142 0.7 45
IV.HAGA.HHZ. 2020-04-27T12:46:29.62 0.3 undecidable manual P 140 68.376 107 -0.73 61
IV.CAGR.HHZ. 2020-04-27T12:46:29.30 0.6 undecidable manual S 222 19.9689 142 0.94 40
IV.HVZN.HNZ. 2020-04-27T12:46:28.98 0.3 undecidable manual P 175 64.1913 109 -0.77 61
IV.GIB.HHE. 2020-04-27T12:46:28.96 0.1 undecidable manual P 296 60.6948 110 -0.28 95
IV.CPTP.HHZ. 2020-04-27T12:46:28.90 0.6 undecidable manual P 228 57.7977 111 0.08 49
IV.AIO.HHZ. 2020-04-27T12:46:28.78 0.3 undecidable manual P 65 56.1993 112 0.19 73
IV.PETRA.HHZ. 2020-04-27T12:46:27.27 0.1 undecidable manual P 281 47.9187 115 -0.15 100
IV.PLLN.EHZ. 2020-04-27T12:46:27.65 0.6 undecidable manual P 301 51.8037 113 -0.31 48
MN.VAE.HHZ. 2020-04-27T12:46:27.13 0.3 undecidable manual P 220 41.2254 120 0.63 66
IV.CSLB.HHZ. 2020-04-27T12:46:27.93 0.3 undecidable manual P 291 55.8996 112 -0.61 66
IV.ENIC.HHE. 2020-04-27T12:46:26.12 0.6 undecidable manual P 113 35.1426 124 0.41 48
IV.EPIT.HHN. 2020-04-27T12:46:26.67 0.6 undecidable manual P 80 36.0417 124 0.86 41
IV.HLNI.HHZ. 2020-04-27T12:46:26.81 0.1 undecidable manual P 157 49.0176 115 -0.76 83
IV.EMCN.HNE. 2020-04-27T12:46:26.36 0.6 undecidable manual P 83 33.6441 126 0.84 42
IV.MUCR.HHZ. 2020-04-27T12:46:25.74 0.1 undecidable manual P 31 37.3293 122 -0.25 99
IV.ESLN.HHZ. 2020-04-27T12:46:25.68 0.6 undecidable manual P 103 29.0487 130 0.72 44
IV.ECHR.HHE. 2020-04-27T12:46:24.85 0.6 undecidable manual P 108 24.0537 136 0.45 49
IV.ESML.HHZ. 2020-04-27T12:46:24.57 0.6 undecidable manual P 127 25.0527 135 0.07 53
IV.EMSG.HHZ. 2020-04-27T12:46:24.97 0.3 undecidable manual P 74 27.0507 132 0.24 76
IV.MSFR.HHZ. 2020-04-27T12:46:24.67 0.1 undecidable manual P 350 31.4463 128 -0.56 92
IV.CAGR.HHZ. 2020-04-27T12:46:23.60 0.3 undecidable manual P 222 19.9689 142 -0.37 75
IV.EPZF.HHZ. 2020-04-27T12:46:23.92 0.3 undecidable manual P 67 19.4694 142 -0.01 80
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EPZF.HHE. ML:2.3 0.0008514999999999999 1.24 AML other m 2020-04-27T12:46:30.10
IV.EPZF.HHN. ML:2.4 0.0010715 1.38 AML other m 2020-04-27T12:46:30.20
IV.MSFR.HHN. ML:1.8 0.00021900000000000004 0.38 AML other m 2020-04-27T12:46:31.36
IV.MSFR.HHE. ML:1.9 0.000243 1.52 AML other m 2020-04-27T12:46:32.78
IV.MUCR.HHE. ML:2.2 0.00046600000000000005 1.2 AML other m 2020-04-27T12:46:32.04
IV.CAGR.HHN. ML:2.5 0.0013035000000000002 0.54 AML other m 2020-04-27T12:46:32.32
IV.MUCR.HHN. ML:2.3 0.00061 0.7 AML other m 2020-04-27T12:46:33.42
IV.CAGR.HHE. ML:2.4 0.0011600000000000002 0.42 AML other m 2020-04-27T12:46:33.42
IV.ESML.HHE. ML:2.1 0.0004945 0.92 AML other m 2020-04-27T12:46:34.33
IV.HLNI.HHE. ML:2.2 0.000398 1.2 AML other m 2020-04-27T12:46:35.96
IV.HLNI.HHN. ML:2.3 0.000489 0.16 AML other m 2020-04-27T12:46:35.37
IV.ESML.HHN. ML:2.0 0.00038849999999999996 1.28 AML other m 2020-04-27T12:46:35.00
IV.EMSG.HHN. ML:2.5 0.00113 1.18 AML other m 2020-04-27T12:46:36.72
IV.PETRA.HHE. ML:2.0 0.00020999999999999998 1.36 AML other m 2020-04-27T12:46:38.98
IV.EMSG.HHE. ML:2.5 0.00117 0.4 AML other m 2020-04-27T12:46:38.80
IV.PETRA.HHN. ML:2.0 0.0002035 0.74 AML other m 2020-04-27T12:46:39.52
IV.AIO.HHN. ML:2.2 0.0002785 0.48 AML other m 2020-04-27T12:46:39.56
IV.HAGA.HHE. ML:2.6 0.0007295 0.34 AML other m 2020-04-27T12:46:40.59
IV.HAGA.HHN. ML:2.6 0.0006045 0.42 AML other m 2020-04-27T12:46:40.59
IV.PLLN.EHE. ML:2.3 0.0003965 1 AML other m 2020-04-27T12:46:40.17
IV.RAFF.HHE. ML:2.3 0.0003605 0.52 AML other m 2020-04-27T12:46:40.70
IV.PLLN.EHN. ML:2.4 0.000561 1.48 AML other m 2020-04-27T12:46:40.97
IV.AIO.HHE. ML:2.1 0.0002245 1.26 AML other m 2020-04-27T12:46:41.65
IV.RAFF.HHN. ML:2.3 0.00033150000000000003 1.06 AML other m 2020-04-27T12:46:42.02
MN.VAE.HHN. ML:1.8 0.000177 1.04 AML other m 2020-04-27T12:46:42.13
IV.SSY.HHE. ML:3.0 0.001405 1.22 AML other m 2020-04-27T12:46:43.87
IV.CSLB.HHE. ML:1.4 0.00005555 0.6 AML other m 2020-04-27T12:46:43.31
IV.CSLB.HHN. ML:1.5 0.00006695000000000001 0.86 AML other m 2020-04-27T12:46:43.34
IV.SSY.HHN. ML:3.3 0.0026950000000000003 1.22 AML other m 2020-04-27T12:46:44.01
IV.IVPL.HHN. ML:2.4 0.0003535 0.44 AML other m 2020-04-27T12:46:44.44
IV.MEU.EHE. ML:2.5 0.0005204999999999999 0.56 AML other m 2020-04-27T12:46:44.39
IV.MEU.EHN. ML:2.7 0.0006699999999999999 0.46 AML other m 2020-04-27T12:46:44.71
IV.IVPL.HHE. ML:2.3 0.000304 1.38 AML other m 2020-04-27T12:46:44.08
IV.CPTP.HHE. ML:1.9 0.0001525 1.58 AML other m 2020-04-27T12:46:45.82
IV.MILZ.HHE. ML:2.9 0.0010495 0.44 AML other m 2020-04-27T12:46:45.98
IV.MILZ.HHN. ML:2.6 0.00051 0.6 AML other m 2020-04-27T12:46:45.53
IV.MPNC.HHE. ML:2.4 0.0003745 1.58 AML other m 2020-04-27T12:46:46.04
IV.MPNC.HHN. ML:2.3 0.0003035 1.22 AML other m 2020-04-27T12:46:46.68
IV.RESU.HHE. ML:1.9 0.00014850000000000003 0.5 AML other m 2020-04-27T12:46:46.91
IV.RESU.HHN. ML:2.0 0.0001865 0.54 AML other m 2020-04-27T12:46:46.79
MN.VAE.HHE. ML:1.7 0.00013350000000000002 0.42 AML other m 2020-04-27T12:46:47.71
IV.CPTP.HHN. ML:1.9 0.00016199999999999998 0.88 AML other m 2020-04-27T12:46:48.57
IV.IACL.HHE. ML:2.2 0.000189 0.42 AML other m 2020-04-27T12:46:48.62
IV.IACL.HHN. ML:2.2 0.00017299999999999998 1.24 AML other m 2020-04-27T12:46:49.76
IV.MSRU.HHN. ML:2.2 0.0001735 0.38 AML other m 2020-04-27T12:46:49.54
IV.MSRU.HHE. ML:2.4 0.000245 0.44 AML other m 2020-04-27T12:46:52.25
IV.HPAC.HHE. ML:2.7 0.00033099999999999997 0.68 AML other m 2020-04-27T12:46:56.49
MN.CEL.HHN. ML:1.9 0.000052699999999999993 1.24 AML other m 2020-04-27T12:46:56.65
MN.CEL.HHE. ML:1.9 0.000059499999999999996 0.48 AML other m 2020-04-27T12:46:59.85
IV.HPAC.HHN. ML:2.7 0.0003635 0.88 AML other m 2020-04-27T12:47:01.40
IV.CRJA.HHN. ML:2.3 0.00011215 0.76 AML other m 2020-04-27T12:47:06.62
IV.MBFT.HHN. ML:1.8 0.00003665 0.46 AML other m 2020-04-27T12:47:06.69
IV.MBFT.HHE. ML:1.8 0.000035799999999999996 0.6 AML other m 2020-04-27T12:47:07.96
IV.CRJA.HHE. ML:2.2 0.0000906 0.98 AML other m 2020-04-27T12:47:10.77
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