Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 10-01-2020 and time 10:19:50 (Italy) in region 10 km E Ramacca (CT)

A magnitude ML 1.7 earthquake occured in region: 10 km E Ramacca (CT), on

  • 10-01-2020 09:19:50 (UTC)
  • 10-01-2020 10:19:50 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.4080, 14.8020 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 10 10894 10894
Palagonia CT 10 16608 27502
Scordia CT 13 17095 44597
Militello in Val di Catania CT 15 7443 52040
Castel di Iudica CT 17 4625 56665
Mineo CT 19 5159 61824
Motta Sant'Anastasia CT 19 12116 73940

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km W of Catania (314555 inhabitants)
40 Km SW of Acireale (52622 inhabitants)
54 Km N of Ragusa (73313 inhabitants)
56 Km NE of Vittoria (63339 inhabitants)
58 Km NW of Siracusa (122291 inhabitants)
61 Km N of Modica (54633 inhabitants)
62 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 1.7 2020-01-10
09:19:50		 37.4077 14.8018 10 2020-07-18
21:08:26		 Bollettino Sismico Italiano INGV 77321301
Reviewed
Rev100 		ML 1.7 2020-01-10
09:19:50		 37.4255 14.8197 11 2020-01-10
09:46:22		 Sala Sismica INGV-Roma 75428201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-10 09:19:50 ± 0.15
Latitude 37.4077 ± 0.0090
Longitude 14.8018 ± 0.0113
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77321301

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1111
Semi-minor axis of confidence ellipse (meter) 516
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 50
Circular confidence region, given by single value of horizontal uncertainty (meter) 1110.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 87
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.08094
Epicentral distance of station farthest from the epicenter (degree) 0.72395
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 77321301
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-17 10:14:41

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 75428201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-10 09:46:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HPAC.HHE. 2020-01-10T09:20:04.53 0.1 undecidable manual P 165 80.364 50 -0.02 88
IV.CLTA.HHE. 2020-01-10T09:20:04.72 0.3 undecidable manual P 250 79.1652 50 0.35 62
IV.PETRA.HHZ. 2020-01-10T09:20:04.45 0.3 undecidable manual P 308 76.6677 50 0.47 60
IV.SSY.HHE. 2020-01-10T09:20:03.69 0.3 undecidable manual S 139 36.6411 50 0.58 63
IV.HAGA.HHZ. 2020-01-10T09:20:02.29 0.3 undecidable manual S 113 33.9438 50 -0.11 71
IV.EPIT.HHN. 2020-01-10T09:20:00.40 0.6 undecidable manual P 26 50.1165 50 0.51 42
IV.HVZN.HHE. 2020-01-10T09:20:00.91 0.3 undecidable manual S 197 26.5512 50 0.49 66
IV.EPZF.HHZ. 2020-01-10T09:19:59.84 0.3 undecidable manual P 6 46.4202 50 0.51 63
IV.RAFF.HHE. 2020-01-10T09:19:58.61 0.1 undecidable manual P 242 43.9227 50 -0.32 88
IV.SSY.HHE. 2020-01-10T09:19:57.60 0.1 undecidable manual P 139 36.6411 50 -0.22 91
IV.GALF.HHZ. 2020-01-10T09:19:57.93 0.1 undecidable manual P 328 39.4272 50 -0.32 89
IV.CAGR.HHE. 2020-01-10T09:19:57.37 0.6 undecidable manual P 312 35.6421 50 -0.29 45
IV.HAGA.HHZ. 2020-01-10T09:19:56.80 0.1 undecidable manual P 113 33.9438 50 -0.61 83
IV.HLNI.HHZ. 2020-01-10T09:19:55.45 0.3 undecidable manual S 137 8.9799 137 0.22 72
IV.HVZN.HHE. 2020-01-10T09:19:55.85 0.1 undecidable manual P 197 26.5512 50 -0.41 89
IV.HLNI.HHZ. 2020-01-10T09:19:53.25 0.1 undecidable manual P 137 8.9799 137 -0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HLNI.HHE. ML:1.7 0.000781 0.1 AML other m 2020-01-10T09:19:56.19
IV.HLNI.HHN. ML:2.0 0.00125 0.7 AML other m 2020-01-10T09:19:56.45
IV.HAGA.HHE. ML:1.5 0.0001215 1.18 AML other m 2020-01-10T09:20:04.76
IV.HAGA.HHN. ML:1.4 0.00011599999999999999 0.54 AML other m 2020-01-10T09:20:04.58
IV.GALF.HHE. ML:1.7 0.000168 1.58 AML other m 2020-01-10T09:20:05.12
IV.GALF.HHN. ML:1.8 0.000195 0.84 AML other m 2020-01-10T09:20:10.04
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