Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 26-01-2020 and time 08:18:47 (UTC) in region 10 km E Ramacca (CT)

A magnitude ML 1.6 earthquake occured in region: 10 km E Ramacca (CT), on

  • 26-01-2020 08:18:47 (UTC)
  • 26-01-2020 09:18:47 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.4130, 14.8080 at 10 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
Ramacca CT 11 10894 10894
Palagonia CT 11 16608 27502
Scordia CT 13 17095 44597
Militello in Val di Catania CT 15 7443 52040
Castel di Iudica CT 17 4625 56665
Motta Sant'Anastasia CT 18 12116 68781
Mineo CT 19 5159 73940

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km W of Catania (314555 inhabitants)
39 Km SW of Acireale (52622 inhabitants)
55 Km N of Ragusa (73313 inhabitants)
57 Km NE of Vittoria (63339 inhabitants)
58 Km NW of Siracusa (122291 inhabitants)
62 Km N of Modica (54633 inhabitants)
63 Km NE of Gela (75827 inhabitants)
66 Km E of Caltanissetta (63360 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 1.6 2020-01-26
08:18:47		 37.4128 14.8082 11 2020-07-18
21:08:21		 Bollettino Sismico Italiano INGV 76628981
Reviewed
Rev100 		ML 1.7 2020-01-26
08:18:47		 37.4165 14.8067 10 2020-01-26
08:32:26		 Sala Sismica INGV-Roma 75868651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-26 08:18:47 ± 0.09
Latitude 37.4128 ± 0.0045
Longitude 14.8082 ± 0.0079
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 76628981

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 574
Semi-minor axis of confidence ellipse (meter) 512
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 117
Circular confidence region, given by single value of horizontal uncertainty (meter) 570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 66
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.08184
Epicentral distance of station farthest from the epicenter (degree) 1.01444
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 76628981
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-18 13:57:37

ML:1.7

Field Value
Value 1.7
Uncertainty 0.1
Num. used stations 14
Type of magnitude ML
Reference to an origin 75868651
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-26 08:32:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MPNC.HHZ. 2020-01-26T08:19:15.50 0.6 undecidable manual S 30 94.3389 50 0.32 41
IV.MSRU.HHE. 2020-01-26T08:19:06.39 0.6 undecidable manual P 33 112.5984 50 0.14 41
IV.MPNC.HHZ. 2020-01-26T08:19:02.97 0.6 undecidable manual P 30 94.3389 50 -0.47 40
IV.CLTA.HHN. 2020-01-26T08:19:01.60 0.6 undecidable manual P 250 79.8645 50 0.39 41
IV.HPAC.HHE. 2020-01-26T08:19:01.37 0.6 undecidable manual P 165 80.7636 50 0.03 45
IV.MUCR.HHZ. 2020-01-26T08:19:00.01 0.6 undecidable manual P 5 70.1742 50 0.3 43
IV.AIO.HHZ. 2020-01-26T08:18:59.92 0.3 undecidable manual P 31 72.2721 50 -0.13 67
IV.HAGA.HHZ. 2020-01-26T08:18:58.98 0.6 undecidable manual S 115 33.744 50 -0.01 49
IV.HVZN.HNZ. 2020-01-26T08:18:57.60 0.6 undecidable manual S 197 27.2505 50 0.33 46
IT.LNT.HGZ. 2020-01-26T08:18:56.18 0.6 undecidable manual S 129 21.9669 50 0.32 47
IV.ESML.HHZ. 2020-01-26T08:18:56.31 0.6 undecidable manual S 15 23.6541 50 0.01 50
IV.EPOZ.HHZ. 2020-01-26T08:18:56.16 0.6 undecidable manual P 49 44.1225 50 0.46 44
IV.RAFF.HHZ. 2020-01-26T08:18:55.86 0.6 undecidable manual P 242 44.622 50 0.08 47
IV.CAGR.HHZ. 2020-01-26T08:18:54.56 0.6 undecidable manual P 311 35.742 50 0.16 47
IV.ESLN.HHZ. 2020-01-26T08:18:54.40 0.6 undecidable manual P 25 34.4433 50 0.2 47
IV.GALF.HHZ. 2020-01-26T08:18:54.75 0.1 positive manual P 327 39.3273 50 -0.21 93
IV.HAGA.HHZ. 2020-01-26T08:18:53.70 0.6 undecidable manual P 115 33.744 50 -0.4 45
IV.ECHR.HNZ. 2020-01-26T08:18:53.42 0.6 undecidable manual P 17 31.746 50 -0.37 46
IV.HVZN.HNZ. 2020-01-26T08:18:52.70 0.3 undecidable manual P 197 27.2505 50 -0.4 68
IV.HLNI.HHZ. 2020-01-26T08:18:52.59 0.6 undecidable manual S 142 9.0798 139 0.36 47
IV.ESML.HHZ. 2020-01-26T08:18:52.66 0.6 undecidable manual P 15 23.6541 50 0.12 49
IT.LNT.HGZ. 2020-01-26T08:18:51.81 0.6 undecidable manual P 129 21.9669 50 -0.48 45
IV.HLNI.HHZ. 2020-01-26T08:18:50.07 0.1 negative manual P 142 9.0798 139 -0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HLNI.HHE. ML:1.6 0.00050036465 0.1024 AML other m 2020-01-26T08:18:53.09
IV.HLNI.HHN. ML:1.8 0.0008428356 0.1984 AML other m 2020-01-26T08:18:52.76
IV.ESML.HHN. ML:1.7 0.00031280805 0.16 AML other m 2020-01-26T08:18:56.69
IV.ESML.HHE. ML:1.6 0.00027737024999999996 0.2624 AML other m 2020-01-26T08:18:57.06
IV.HAGA.HHE. ML:1.4 0.00011231218999999999 0.16 AML other m 2020-01-26T08:18:59.42
IV.HAGA.HHN. ML:1.4 0.000103011565 0.1152 AML other m 2020-01-26T08:18:59.18
IV.RAFF.HHN. ML:1.8 0.0002094989 0.2432 AML other m 2020-01-26T08:19:04.25
IV.AIO.HHN. ML:1.4 0.00004064626 0.3008 AML other m 2020-01-26T08:19:12.80
IV.MUCR.HHN. ML:1.5 0.000055551105000000005 0.3648 AML other m 2020-01-26T08:19:12.81
IV.MUCR.HHE. ML:1.7 0.000080714745 0.4032 AML other m 2020-01-26T08:19:10.47
IV.MPNC.HHE. ML:1.9 0.00008909948000000002 0.4224 AML other m 2020-01-26T08:19:18.89
IV.MPNC.HHN. ML:1.7 0.00004934873 0.384 AML other m 2020-01-26T08:19:19.41
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