Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 08-01-2020 and time 06:27:07 (Italy) in region 13 km E Ramacca (CT)

A magnitude ML 1.4 earthquake occured in region: 13 km E Ramacca (CT), on

  • 08-01-2020 05:27:07 (UTC)
  • 08-01-2020 06:27:07 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.4390, 14.8300 at 9 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 13 10894 10894
Palagonia CT 14 16608 27502
Motta Sant'Anastasia CT 15 12116 39618
Scordia CT 16 17095 56713
Paternò CT 17 48228 104941
Castel di Iudica CT 17 4625 109566
Misterbianco CT 18 49410 158976
Militello in Val di Catania CT 18 7443 166419
Catenanuova EN 19 4866 171285

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km W of Catania (314555 inhabitants)
36 Km SW of Acireale (52622 inhabitants)
58 Km N of Ragusa (73313 inhabitants)
59 Km NW of Siracusa (122291 inhabitants)
60 Km NE of Vittoria (63339 inhabitants)
65 Km N of Modica (54633 inhabitants)
66 Km NE of Gela (75827 inhabitants)
68 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 1.4 2020-01-08
05:27:07		 37.4388 14.8303 9 2020-07-18
21:08:22		 Bollettino Sismico Italiano INGV 76828131
Reviewed
Rev100 		ML 1.5 2020-01-08
05:27:07		 37.4573 14.8562 8 2020-01-08
05:37:58		 Sala Sismica INGV-Roma 75377881
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-08 05:27:07 ± 0.2
Latitude 37.4388 ± 0.0126
Longitude 14.8303 ± 0.0147
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 76828131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1610
Semi-minor axis of confidence ellipse (meter) 807
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 220
Circular confidence region, given by single value of horizontal uncertainty (meter) 1610.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 95
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.09623
Epicentral distance of station farthest from the epicenter (degree) 0.74824
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 75377881
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-08 05:37:58

ML:1.4

Field Value
Value 1.4
Uncertainty 0.4
Num. used stations 6
Type of magnitude ML
Reference to an origin 76828131
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-04 10:53:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HPAC.HHZ. 2020-01-08T05:27:32.96 0.6 undecidable manual S 167 83.0502 50 0.41 41
IV.RAFF.HHZ. 2020-01-08T05:27:23.75 0.6 undecidable manual S 240 47.7189 50 0.63 41
IV.HPAC.HHZ. 2020-01-08T05:27:22.04 0.3 undecidable manual P 167 83.0502 50 0.1 66
IV.HAGA.HHZ. 2020-01-08T05:27:19.19 0.3 undecidable manual S 121 33.3444 50 -0.08 72
IV.EPIT.HHN. 2020-01-08T05:27:17.28 1.0 undecidable manual P 26 45.8208 50 1.08 17
IV.EPZF.HHZ. 2020-01-08T05:27:17.12 0.6 undecidable manual P 3 42.8238 50 1.39 29
IT.LNT.HGE. 2020-01-08T05:27:16.10 0.6 undecidable manual S 138 22.5552 112 0.23 48
IV.RAFF.HHZ. 2020-01-08T05:27:15.84 0.3 undecidable manual P 240 47.7189 50 -0.65 61
IV.CAGR.HHE. 2020-01-08T05:27:14.41 0.3 undecidable manual P 305 35.4423 50 -0.19 71
IV.GALF.HHZ. 2020-01-08T05:27:14.86 0.1 undecidable manual P 323 38.0286 50 -0.14 95
IV.HAGA.HHZ. 2020-01-08T05:27:13.73 0.3 undecidable manual P 121 33.3444 50 -0.54 65
IV.HLNI.HHZ. 2020-01-08T05:27:12.61 0.3 undecidable manual S 160 10.6782 130 0.32 72
IT.LNT.HGE. 2020-01-08T05:27:11.96 0.3 undecidable manual P 138 22.5552 112 -0.35 70
IV.HLNI.HHZ. 2020-01-08T05:27:10.14 0.1 negative manual P 160 10.6782 130 -0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HLNI.HHN. ML:1.4 0.0002932218 0.1792 AML other m 2020-01-08T05:27:12.77
IV.HLNI.HHE. ML:0.9 0.00010809104 0.1216 AML other m 2020-01-08T05:27:12.87
IV.HAGA.HHE. ML:1.4 0.00011454749 0.1984 AML other m 2020-01-08T05:27:19.32
IV.HAGA.HHN. ML:1.2 0.000068599355 0.1216 AML other m 2020-01-08T05:27:19.26
IV.HPAC.HHN. ML:1.9 0.000096257285 0 AML other m 2020-01-08T05:27:33.70
IV.HPAC.HHE. ML:2.0 0.00012303485 0.0192 AML other m 2020-01-08T05:27:34.21
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