Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 29-05-2020 and time 23:07:49 (Italy) in region 4 km SE Troina (EN)

A magnitude ML 1.4 earthquake occured in region: 4 km SE Troina (EN), on

  • 29-05-2020 21:07:49 (UTC)
  • 29-05-2020 23:07:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7540, 14.6170 at 22 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 4 9373 9373
Gagliano Castelferrato EN 9 3593 12966
Regalbuto EN 11 7277 20243
Cerami EN 12 2006 22249
San Teodoro ME 13 1403 23652
Cesarò ME 13 2439 26091
Agira EN 13 8345 34436
Capizzi ME 16 3176 37612
Nissoria EN 18 3000 40612
Centuripe EN 18 5470 46082
Nicosia EN 19 13899 59981
Bronte CT 19 19172 79153

Municipalities with at least 50000 inhabitants

An earthquake occurred to
50 Km NW of Catania (314555 inhabitants)
51 Km W of Acireale (52622 inhabitants)
57 Km NE of Caltanissetta (63360 inhabitants)
83 Km NE of Gela (75827 inhabitants)
90 Km N of Vittoria (63339 inhabitants)
93 Km N of Ragusa (73313 inhabitants)
96 Km SW of Messina (238439 inhabitants)
98 Km NW of Siracusa (122291 inhabitants)
98 Km W of Reggio di Calabria (183035 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 1.4 2020-05-29
21:07:49		 37.7542 14.6173 22 2020-11-19
12:37:05		 Bollettino Sismico Italiano INGV 83952891
Reviewed
Rev100 		ML 1.4 2020-05-29
21:07:49		 37.7463 14.6432 11 2020-05-29
21:38:12		 Sala Sismica INGV-Roma 79699261
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-29 21:07:49 ± 0.18
Latitude 37.7542 ± 0.0081
Longitude 14.6173 ± 0.0125
Depth (km) 22 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 83952891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1064
Semi-minor axis of confidence ellipse (meter) 453
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 104
Circular confidence region, given by single value of horizontal uncertainty (meter) 1060.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 63
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.05936
Epicentral distance of station farthest from the epicenter (degree) 0.88943
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 83952891
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-20 11:36:55

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 79699261
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-29 21:38:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSY.HNN. 2020-05-29T21:08:13.34 0.6 undecidable manual S 149 77.367 99 0.53 43
IV.MEU.EHZ. 2020-05-29T21:08:11.65 1.0 undecidable manual S 165 73.7706 100 -0.2 23
IV.HVZN.HNZ. 2020-05-29T21:08:10.22 0.6 undecidable manual S 172 64.491 102 0.8 39
IV.RAFF.HHZ. 2020-05-29T21:08:09.54 1.0 undecidable manual S 201 63.0924 102 0.48 22
IV.HLNI.HHZ. 2020-05-29T21:08:05.77 0.3 undecidable manual S 153 50.2164 106 0.04 75
IV.CLTA.HHZ. 2020-05-29T21:08:05.38 0.3 undecidable manual P 221 87.7455 98 0.86 54
IV.MSRU.HHE. 2020-05-29T21:08:05.82 0.6 undecidable manual P 54 96.2259 97 0 46
IV.MTTG.HHZ. 2020-05-29T21:08:04.32 3.0 undecidable manual P 98.7234 -1.88 0
IV.IVPL.HNE. 2020-05-29T21:08:03.02 0.1 undecidable manual P 25 75.9684 100 0.3 89
IV.MUCR.HHZ. 2020-05-29T21:08:02.72 0.6 undecidable manual S 35 39.1275 111 -0.19 50
IV.MPNC.HHN. 2020-05-29T21:08:02.94 0.6 undecidable manual P 56 77.6667 99 -0.05 47
IV.MILZ.HHN. 2020-05-29T21:08:02.89 1.0 undecidable manual P 43 78.5658 99 -0.23 23
IV.SSY.HNN. 2020-05-29T21:08:01.99 0.3 undecidable manual P 149 77.367 99 -0.95 53
IV.MEU.EHZ. 2020-05-29T21:08:01.52 1.0 undecidable manual P 165 73.7706 100 -0.87 19
IV.AIO.HHE. 2020-05-29T21:08:00.55 0.3 undecidable manual P 66 59.0964 103 0.38 68
IV.HVZN.HNZ. 2020-05-29T21:08:00.48 0.6 undecidable manual P 172 64.491 102 -0.51 44
IV.RAFF.HHZ. 2020-05-29T21:08:00.28 0.1 undecidable manual P 201 63.0924 102 -0.5 88
IV.MSFR.HHZ. 2020-05-29T21:08:00.38 0.6 undecidable manual S 356 31.1466 117 -0.57 46
IV.CSLB.HHZ. 2020-05-29T21:07:59.23 0.1 undecidable manual P 293 53.1024 105 -0.05 99
IV.HLNI.HHZ. 2020-05-29T21:07:58.11 0.1 undecidable manual P 153 50.2164 106 -0.75 82
IV.PETRA.HHZ. 2020-05-29T21:07:58.47 0.6 undecidable manual P 281 44.9217 108 0.4 46
IV.MUCR.HHZ. 2020-05-29T21:07:57.01 0.1 undecidable manual P 35 39.1275 111 -0.22 98
IV.EMSG.HHZ. 2020-05-29T21:07:56.74 0.6 undecidable manual P 76 30.0477 118 0.79 41
IV.ESML.HHZ. 2020-05-29T21:07:56.12 0.6 undecidable manual P 123 27.5502 121 0.51 47
IV.MSFR.HHZ. 2020-05-29T21:07:55.89 0.1 undecidable manual P 356 31.1466 117 -0.21 100
IV.EPZF.HHZ. 2020-05-29T21:07:55.42 0.3 undecidable manual P 70 22.3554 128 0.46 71
IV.CAGR.HHZ. 2020-05-29T21:07:54.96 0.6 undecidable manual P 215 17.9709 135 0.52 47
IV.GALF.HHZ. 2020-05-29T21:07:53.17 0.6 undecidable manual P 223 6.5934 161 -0.32 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PETRA.HHE. ML:1.1 0.00003565 0.76 AML other m 2020-05-29T21:08:09.00
IV.PETRA.HHN. ML:1.1 0.00003555 0.54 AML other m 2020-05-29T21:08:11.51
IV.RAFF.HHE. ML:1.5 0.00005775 1.02 AML other m 2020-05-29T21:08:14.00
IV.MEU.EHN. ML:1.9 0.00011 0.28 AML other m 2020-05-29T21:08:17.56
IV.GALF.HHN. ML:1.8 0.0005065623 0.2688 AML other m 2020-05-29T21:07:58.11
IV.GALF.HHE. ML:1.7 0.00033466235 0.2432 AML other m 2020-05-29T21:07:58.56
IV.MSFR.HHN. ML:1.0 0.000037914564999999995 0.5632 AML other m 2020-05-29T21:08:06.96
IV.MSFR.HHE. ML:0.8 0.0000249404 0.384 AML other m 2020-05-29T21:08:01.89
IV.MUCR.HHE. ML:1.3 0.000065335075 0.2304 AML other m 2020-05-29T21:08:03.80
IV.MUCR.HHN. ML:1.5 0.000089208625 0.32 AML other m 2020-05-29T21:08:03.62
IV.HLNI.HHE. ML:1.3 0.000046284345 0.1664 AML other m 2020-05-29T21:08:06.06
IV.HLNI.HHN. ML:1.4 0.000055294785 0.2944 AML other m 2020-05-29T21:08:09.67
IV.RAFF.HHN. ML:1.5 0.000058153469999999996 0.2816 AML other m 2020-05-29T21:08:13.17
IV.MEU.EHE. ML:1.8 0.000082633185 0.2816 AML other m 2020-05-29T21:08:16.40
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