Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 25-03-2020 and time 05:25:29 (UTC) in region 5 km S Troina (EN)

A magnitude ML 2.1 earthquake occured in region: 5 km S Troina (EN), on

  • 25-03-2020 05:25:29 (UTC)
  • 25-03-2020 06:25:29 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7380, 14.6070 at 24 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 5 9373 9373
Gagliano Castelferrato EN 7 3593 12966
Regalbuto EN 10 7277 20243
Agira EN 11 8345 28588
Cerami EN 12 2006 30594
San Teodoro ME 15 1403 31997
Cesarò ME 15 2439 34436
Nissoria EN 17 3000 37436
Capizzi ME 17 3176 40612
Centuripe EN 18 5470 46082
Nicosia EN 18 13899 59981

Municipalities with at least 50000 inhabitants

An earthquake occurred to
50 Km NW of Catania (314555 inhabitants)
51 Km W of Acireale (52622 inhabitants)
55 Km NE of Caltanissetta (63360 inhabitants)
81 Km NE of Gela (75827 inhabitants)
88 Km N of Vittoria (63339 inhabitants)
91 Km N of Ragusa (73313 inhabitants)
97 Km NW of Siracusa (122291 inhabitants)
98 Km SW of Messina (238439 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 2.1 2020-03-25
05:25:29		 37.7377 14.6067 24 2020-07-18
21:08:38		 Bollettino Sismico Italiano INGV 79689641
Reviewed
Rev100 		ML 2.2 2020-03-25
05:25:29		 37.7253 14.6057 28 2020-03-25
05:36:42		 Sala Sismica INGV-Roma 77551471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-25 05:25:29 ± 0.25
Latitude 37.7377 ± 0.0099
Longitude 14.6067 ± 0.0148
Depth (km) 24 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 79689641

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1243
Semi-minor axis of confidence ellipse (meter) 509
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 82
Circular confidence region, given by single value of horizontal uncertainty (meter) 1240.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 53
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.68798
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.4
Num. used stations 10
Type of magnitude ML
Reference to an origin 77551471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-25 05:36:42

ML:2.1

Field Value
Value 2.1
Uncertainty 0.4
Num. used stations 10
Type of magnitude ML
Reference to an origin 79689641
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-24 16:43:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RIBO.EHZ.01 2020-03-25T05:27:02.76 3.0 negative manual P 6.82 0
IV.MRLC.HHZ. 2020-03-25T05:26:44.39 3.0 undecidable manual Sn -6.07 0
IV.ROSPO.HHZ. 2020-03-25T05:26:42.34 3.0 positive manual P 5.29 0
IV.PTRJ.HNZ. 2020-03-25T05:26:32.38 3.0 undecidable manual P 7.46 0
IV.PAOL.HHZ. 2020-03-25T05:26:27.91 3.0 undecidable manual P 7.59 0
XK.GIZZ.HHZ. 2020-03-25T05:26:02.63 3.0 undecidable manual P 3.44 0
IV.SSY.HHZ. 2020-03-25T05:25:53.64 0.6 undecidable manual S 147 76.368 101 0.5 45
IV.HAGA.HHZ. 2020-03-25T05:25:51.20 0.6 undecidable manual S 136 69.6747 103 -0.18 49
IV.HVZN.HNZ. 2020-03-25T05:25:50.37 0.6 undecidable manual S 171 62.7927 104 0.77 42
IV.AIO.HHZ. 2020-03-25T05:25:50.11 0.6 undecidable manual S 65 60.6948 105 1.05 36
IV.MSFR.HHZ. 2020-03-25T05:25:43.46 0.6 undecidable manual S 358 32.9448 119 1.33 33
IV.MUCR.HHZ. 2020-03-25T05:25:43.64 0.3 undecidable manual S 35 41.1255 113 -0.48 73
IV.SSY.HHZ. 2020-03-25T05:25:42.65 0.1 undecidable manual P 147 76.368 101 -0.69 83
IV.RAFF.HHZ. 2020-03-25T05:25:41.55 0.1 undecidable manual P 201 61.0944 105 0.51 94
IV.HVZN.HNZ. 2020-03-25T05:25:41.08 0.1 undecidable manual P 171 62.7927 104 -0.22 97
IV.EPZF.HHZ. 2020-03-25T05:25:41.36 0.6 undecidable manual S 66 23.9538 129 1.21 35
IV.HAGA.HHZ. 2020-03-25T05:25:41.45 0.3 undecidable manual P 136 69.6747 103 -0.88 58
IV.AIO.HHZ. 2020-03-25T05:25:40.73 0.3 undecidable manual P 65 60.6948 105 -0.25 74
IV.PLLN.EHE. 2020-03-25T05:25:39.65 0.3 undecidable manual P 305 49.5171 109 0.32 74
IV.RESU.HHZ. 2020-03-25T05:25:39.74 0.6 undecidable manual P 258 49.3173 109 0.44 49
IV.CSLB.HHZ. 2020-03-25T05:25:39.65 0.1 undecidable manual P 295 52.9026 107 -0.19 100
MN.VAE.HHE. 2020-03-25T05:25:38.76 0.3 undecidable manual P 217 37.2294 116 1.19 55
IV.MUCR.HHZ. 2020-03-25T05:25:37.66 0.1 undecidable manual P 35 41.1255 113 -0.47 97
IV.EMSG.HHZ. 2020-03-25T05:25:37.25 0.1 undecidable manual P 73 31.4463 120 0.46 98
IV.GALF.HHZ. 2020-03-25T05:25:37.07 0.6 undecidable manual S 230 4.5954 168 -0.26 54
IV.MSFR.HHZ. 2020-03-25T05:25:36.51 0.1 undecidable manual P 358 32.9448 119 -0.47 98
IV.EPZF.HHZ. 2020-03-25T05:25:36.08 0.3 undecidable manual P 66 23.9538 129 0.24 78
IV.ESML.HHE. 2020-03-25T05:25:35.99 0.3 undecidable manual P 119 27.3504 125 -0.27 78
IV.GALF.HHZ. 2020-03-25T05:25:33.54 0.1 negative manual P 230 4.5954 168 -0.68 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GALF.HNN. ML:1.6 0.0002685 0.58 AML other m 2020-03-25T05:25:38.53
IV.GALF.HHE. ML:2.4 0.0019 0.48 AML other m 2020-03-25T05:25:38.55
IV.GALF.HNE. ML:1.6 0.000252 0.5 AML other m 2020-03-25T05:25:38.80
IV.GALF.HHN. ML:2.3 0.00145 0.68 AML other m 2020-03-25T05:25:39.69
IV.EPZF.HHE. ML:2.0 0.000474 0.76 AML other m 2020-03-25T05:25:41.91
IV.EPZF.HHN. ML:2.1 0.000602 1.48 AML other m 2020-03-25T05:25:42.00
IV.MUCR.HHN. ML:1.9 0.00023999999999999998 0.6 AML other m 2020-03-25T05:25:44.70
IV.MUCR.HHE. ML:2.0 0.000259 1.64 AML other m 2020-03-25T05:25:45.94
IV.SSY.HHN. ML:2.9 0.0011735 0.56 AML other m 2020-03-25T05:26:00.42
IV.SSY.HHE. ML:2.7 0.0006835 1.18 AML other m 2020-03-25T05:26:03.34
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