Earthquake with magnitude of ML 2.0 on date 17-02-2020 and time 17:23:47 (UTC) in region 5 km SW Troina (EN)

A magnitude ML 2.0 earthquake occured in region: 5 km SW Troina (EN), on

  • 17-02-2020 17:23:47 (UTC)
  • 17-02-2020 18:23:47 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.75, 14.57 at 25 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
Troina EN 5 9373 9373
Gagliano Castelferrato EN 5 3593 12966
Cerami EN 9 2006 14972
Agira EN 11 8345 23317
Regalbuto EN 12 7277 30594
Capizzi ME 14 3176 33770
Nissoria EN 15 3000 36770
Nicosia EN 15 13899 50669
San Teodoro ME 16 1403 52072
Cesarò ME 16 2439 54511
Assoro EN 19 5191 59702
Sperlinga EN 20 805 60507
Leonforte EN 20 13439 73946

Municipalities with at least 50000 inhabitants

An earthquake occurred to
53 Km NW of Catania (314555 inhabitants)
53 Km NE of Caltanissetta (63360 inhabitants)
54 Km W of Acireale (52622 inhabitants)
81 Km NE of Gela (75827 inhabitants)
89 Km N of Vittoria (63339 inhabitants)
92 Km N of Ragusa (73313 inhabitants)
99 Km NW of Siracusa (122291 inhabitants)
100 Km SW of Messina (238439 inhabitants)
100 Km NE of Agrigento (59770 inhabitants)
100 Km N of Modica (54633 inhabitants)
Recent and historical Seismicity

These maps show the seismicity for different time windows. The earthquake locations reported in these maps are determined in quasi real-time by the personnel on duty in the seismic surveillance center of INGV in Rome. Note that the earthquake source parameters (hypocentral location and magnitude) are the best estimates obstained with the available data and they are adjourned as additional data become available. The source parameters obtained by the personnel on duty are then revised by the group in charge of the INGV Seismic Bulletin (Bollettino Sismico Italiano dell’INGV).

Earthquakes of the last three days (72 hours)

Earthquakes of the last three days (72 hours) *

This map reports the earthquake epicenters located in the past 72 hours (3 days) from the time this page has been generated. The radius of the circle representing the earthquake on the map scales with magnitude. The color depends on the time of occurrence of the earthquakes with respect to the time of generation of the map (red = 1 hour; orange = 24 hours; yellow = 72 hours). The open star shows the epicenter of the current earthquake.
Earthquakes of the last 90 days

Earthquakes of the last 90 days *

This map reports the Magnitudo ≥ 1.0 earthquake epicenters located using the data acquired by the Italian National Seismic Network and by other collaborating networks in Italy and in the neighbouring countries. The radii of the circles representing the epicenters on the map scale with magnitude. The color of each circle depends on the time of occurrence of the earthquakes with respect to the time of generation of the map (red = 1 hour; orange = 24 hours; yellow = 72 hours; blue = all other earthquakes). The open star shows the epicenter of the current earthquake.
Earthquakes since 1985

Earthquakes since 1985 *

This map reports the Magnitudo ≥ 2.5 earthquake epicenters located using the data acquired by the Italian National Seismic Network and by other collaborating networks in Italy and in the neighbouring countries. The radii of the circles representing the epicenters on the map scale with magnitude. The color of each circle depends on the time of occurrence of the earthquakes with respect to the time of generation of the map (red = 1 hour; orange = 24 hours; yellow = 72 hours; blue = all other earthquakes). The open star shows the epicenter of the current earthquake.
Earthquakes since 1000 AD until 2014

Earthquakes since 1000 AD until 2014 *

This map shows the epicenters of the historical earthquakes catalogue CPT15 (Catalogo Parametrico dei Terremoti Italiani, 2015 version https://emidius.mi.ingv.it/CPTI15-DBMI15/) with estimated magnitude ≥ 5.0 since 1000 AD until 2014. The epicenters are represented by squares which sides scale with the estimated earthquake magnitude. For earthquakes with magnitude ≥ 6.0, it is also shown the year of occurrence and the magnitude value. The open star shows the epicenter of the current earthquake.
Seismic hazard
Shakemap
Felt maps
The earthquake effects in MCS scale as obtained from the compiled questionnaire

The earthquake effects in MCS scale as obtained from the compiled questionnaire *

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000
ML 2.0 2020-02-17
17:23:47
37.75 14.57 25 2020-07-18
21:08:25
Bollettino Sismico Italiano INGV 77193091
Reviewed
Rev100
ML 2.0 2020-02-17
17:23:47
37.74 14.59 24 2020-02-17
17:48:18
Sala Sismica INGV-Roma 76605951
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-17 17:23:47 ± 0.2
Latitude 37.75 ± 0.01
Longitude 14.57 ± 0.01
Depth (km) 25 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77193091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 931
Semi-minor axis of confidence ellipse (meter) 416
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 88
Circular confidence region, given by single value of horizontal uncertainty (meter) 930
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 57
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.42
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.91371
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:2

Field Value
Value 2
Uncertainty 0.3
Num. used stations 23
Type of magnitude ML
Reference to an origin 76605951
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-17 17:48:18

ML:2

Field Value
Value 2
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 77193091
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-11 14:51:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
XK.GIZZ.HHZ. 2020-02-17T17:24:37.70 3.0 undecidable manual Sn -0.84 0
IV.MTTG.HHZ. 2020-02-17T17:24:16.40 3.0 undecidable manual S -0.3 0
IV.MPNC.HHZ. 2020-02-17T17:24:11.70 0.6 undecidable manual S 57 0.732 101 0.12 45
IV.CROCE.HHZ. 2020-02-17T17:24:04.28 0.3 undecidable manual P 182 0.9137 99 0.02 67
IV.MSRU.HHZ. 2020-02-17T17:24:04.08 0.1 undecidable manual P 55 0.8993 99 0.06 89
IV.HLNI.HHZ. 2020-02-17T17:24:03.59 0.3 undecidable manual S 149 0.4623 109 -0.25 69
IV.ENIC.HHZ. 2020-02-17T17:24:02.37 0.6 undecidable manual S 108 0.3714 115 1.01 38
IV.MPNC.HHZ. 2020-02-17T17:24:01.15 0.3 undecidable manual P 57 0.732 101 -0.06 70
IV.MUCR.HHZ. 2020-02-17T17:24:01.29 0.3 undecidable manual S 38 0.3795 114 -0.27 72
IV.SSY.HHZ. 2020-02-17T17:23:59.98 0.1 undecidable manual P 146 0.7087 102 -0.84 72
IV.MSFR.HHZ. 2020-02-17T17:23:58.95 0.3 undecidable manual S 3 0.2878 122 -0.22 75
IV.EPZF.HHZ. 2020-02-17T17:23:58.32 0.3 undecidable manual S 71 0.2365 128 0.4 71
IV.RAFF.HHZ. 2020-02-17T17:23:58.75 0.3 undecidable manual P 198 0.5495 106 0.58 64
IV.ENIC.HHZ. 2020-02-17T17:23:56.74 0.6 undecidable manual P 108 0.3714 115 1.43 30
IV.PLLN.EHN. 2020-02-17T17:23:56.53 0.3 undecidable manual P 306 0.42 112 0.46 66
IV.HLNI.HHZ. 2020-02-17T17:23:56.05 0.1 undecidable manual P 149 0.4623 109 -0.69 81
IV.PETRA.HHN. 2020-02-17T17:23:55.98 0.3 undecidable manual P 284 0.3732 115 0.64 63
IV.CAGR.HHZ. 2020-02-17T17:23:55.95 0.6 undecidable manual S 205 0.1376 145 0.07 52
IV.RESU.HHZ. 2020-02-17T17:23:55.34 0.6 undecidable manual P 257 0.4209 112 -0.75 41
IV.GALF.HHZ. 2020-02-17T17:23:54.55 0.3 undecidable manual S 190 0.036 170 -0.16 78
IV.MUCR.HHZ. 2020-02-17T17:23:54.92 0.1 positive manual P 38 0.3795 114 -0.51 91
IV.ECHR.HHE. 2020-02-17T17:23:54.45 0.3 undecidable manual P 102 0.2743 123 0.6 67
IV.EMSG.HHZ. 2020-02-17T17:23:54.68 0.3 undecidable manual P 76 0.3058 120 0.37 71
IV.EPZF.HHZ. 2020-02-17T17:23:53.09 0.3 undecidable manual P 71 0.2365 128 -0.23 74
IV.MSFR.HHZ. 2020-02-17T17:23:53.86 0.1 undecidable manual P 3 0.2878 122 -0.19 100
IV.ESML.HHE. 2020-02-17T17:23:53.88 0.3 undecidable manual P 118 0.2734 124 0.05 77
IV.CAGR.HHZ. 2020-02-17T17:23:52.71 0.3 undecidable manual P 205 0.1376 145 0.56 70
IV.GALF.HHZ. 2020-02-17T17:23:50.88 0.1 undecidable manual P 190 0.036 170 -0.59 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GALF.HNE. ML:1.6 0.0002425 0.96 AML other m 2020-02-17T17:23:55.51
IV.GALF.HHN. ML:2.4 0.00164 0.54 AML other m 2020-02-17T17:23:55.42
IV.GALF.HNN. ML:1.6 0.000254 0.8 AML other m 2020-02-17T17:23:56.42
IV.EPZF.HHN. ML:2.2 0.0006745 0.54 AML other m 2020-02-17T17:23:59.38
IV.MSFR.HHN. ML:1.5 0.0001181 0.96 AML other m 2020-02-17T17:24:00.56
IV.MSFR.HHE. ML:1.5 0.00011 1.56 AML other m 2020-02-17T17:24:00.95
IV.CAGR.HHN. ML:2 0.000578 1.06 AML other m 2020-02-17T17:24:00.77
IV.GALF.HHE. ML:2.4 0.001635 0.42 AML other m 2020-02-17T17:24:01.54
IV.MUCR.HHE. ML:1.9 0.0002125 0.34 AML other m 2020-02-17T17:24:02.26
IV.CAGR.HHE. ML:2 0.000631 0.48 AML other m 2020-02-17T17:24:02.53
IV.MUCR.HHN. ML:2 0.00028 0.94 AML other m 2020-02-17T17:24:02.60
IV.EPZF.HHE. ML:2.1 0.000501 0.4 AML other m 2020-02-17T17:24:04.08
IV.HLNI.HHE. ML:1.8 0.0001415 0.8 AML other m 2020-02-17T17:24:04.07
IV.HLNI.HHN. ML:1.9 0.0001755 0.2 AML other m 2020-02-17T17:24:04.86
IV.RAFF.HHE. ML:2.1 0.000219 1.56 AML other m 2020-02-17T17:24:09.81
IV.RAFF.HHN. ML:2.1 0.000216 0.94 AML other m 2020-02-17T17:24:11.87
IV.SSY.HHN. ML:2.8 0.000978 0.88 AML other m 2020-02-17T17:24:13.38
IV.MPNC.HHE. ML:2.1 0.000177 1.36 AML other m 2020-02-17T17:24:14.77
IV.SSY.HHE. ML:2.5 0.000439 0.88 AML other m 2020-02-17T17:24:14.87
IV.MPNC.HHN. ML:2.1 0.0001645 1.42 AML other m 2020-02-17T17:24:15.03
IV.MSRU.HHN. ML:1.8 5.445E-5 0.5 AML other m 2020-02-17T17:24:18.43
IV.CROCE.HHN. ML:2 0.0001005 1.24 AML other m 2020-02-17T17:24:18.72
IV.MSRU.HHE. ML:2.1 0.0001215 1.1 AML other m 2020-02-17T17:24:19.85
IV.CROCE.HHE. ML:2 8.97E-5 1.12 AML other m 2020-02-17T17:24:19.41
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Focal Mechanisms

Focal Mechanisms *

This map reports the focal mechanisms since 1977 in the region. The white and red beach ball symbols are mechanisms determined using the Regional Centroid Moment Tensor (RCMT, http://www.bo.ingv.it/RCMT) and are determined for earthquakes with magnitude larger than 4.5 in the Euro-Mediterranenan area. Occasionally, when there is a good source-receiver geometry of the target earthquake, the RCMT can be obtained also for earthquakes with magnitude larger than 4.0. The blue and white beach ball symbols indicate the mechanisms obtained from application of the Time Domain Moment Tensor (TDMT, http://terremoti.ingv.it/tdmt.html). This technique is used for M ≥ 3.5. The size of the beach ball sysmbol scales with the calculated moment magnitude, Mw.
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 full SEED format Download