Earthquake with magnitude of ML 1.4 on date 01-03-2020 and time 00:07:34 (Italy) in region 9 km NW Castel di Iudica (CT)

A magnitude ML 1.4 earthquake occured in region: 9 km NW Castel di Iudica (CT), on

  • 29-02-2020 23:07:34 (UTC)
  • 01-03-2020 00:07:34 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.5580, 14.5930 at 31 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
Castel di Iudica CT 9 4625 4625
Catenanuova EN 9 4866 9491
Raddusa CT 11 3178 12669
Regalbuto EN 11 7277 19946
Agira EN 13 8345 28291
Centuripe EN 15 5470 33761
Nissoria EN 17 3000 36761
Assoro EN 17 5191 41952
Gagliano Castelferrato EN 18 3593 45545
Valguarnera Caropepe EN 19 7866 53411
Leonforte EN 20 13439 66850

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km W of Catania (314555 inhabitants)
47 Km E of Caltanissetta (63360 inhabitants)
51 Km W of Acireale (52622 inhabitants)
63 Km NE of Gela (75827 inhabitants)
68 Km N of Vittoria (63339 inhabitants)
71 Km N of Ragusa (73313 inhabitants)
79 Km N of Modica (54633 inhabitants)
83 Km NW of Siracusa (122291 inhabitants)
93 Km E of Agrigento (59770 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 2020-02-29
23:07:34
37.5583 14.5928 31 2020-07-18
21:08:28
Bollettino Sismico Italiano INGV 77526711
Reviewed
Rev100
ML 1.5 2020-02-29
23:07:33
37.5635 14.5798 34 2020-02-29
23:22:00
Sala Sismica INGV-Roma 76938991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-29 23:07:34 ± 0.27
Latitude 37.5583 ± 0.0090
Longitude 14.5928 ± 0.0170
Depth (km) 31 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77526711

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1539
Semi-minor axis of confidence ellipse (meter) 117
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 72
Circular confidence region, given by single value of horizontal uncertainty (meter) 1540.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 102
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) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.09713
Epicentral distance of station farthest from the epicenter (degree) 0.56747
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 77526711
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-05-11 13:28:54

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 76938991
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-29 23:22:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSY.HHZ. 2020-02-29T23:07:54.81 0.3 undecidable manual S 136 61.3941 112 0.71 60
IV.HAGA.HHZ. 2020-02-29T23:07:53.67 0.6 undecidable manual S 121 58.0974 113 0.4 45
IV.HVZN.HHE. 2020-02-29T23:07:50.34 0.1 undecidable manual S 166 43.5231 121 0.54 88
IV.RAFF.HHZ. 2020-02-29T23:07:49.57 0.6 undecidable manual S 209 42.4242 121 0.01 50
IV.HLNI.HHZ. 2020-02-29T23:07:47.41 0.3 undecidable manual S 133 33.8439 128 -0.27 74
IV.CSLB.HHZ. 2020-02-29T23:07:46.76 0.3 undecidable manual P 312 62.9925 111 0.84 58
IV.SSY.HHZ. 2020-02-29T23:07:45.67 0.1 positive manual P 136 61.3941 112 -0.02 98
IV.HAGA.HHZ. 2020-02-29T23:07:44.94 0.1 undecidable manual P 121 58.0974 113 -0.27 94
IV.GALF.HHZ. 2020-02-29T23:07:44.88 0.3 undecidable manual S 352 17.0718 149 0.22 77
IV.MSFR.HHE. 2020-02-29T23:07:44.60 0.3 undecidable manual P 360 52.7028 116 0.14 74
IV.RAFF.HHZ. 2020-02-29T23:07:42.88 0.1 undecidable manual P 209 42.4242 121 -0.18 99
IV.HVZN.HHE. 2020-02-29T23:07:42.92 0.1 undecidable manual P 166 43.5231 121 -0.29 97
IV.HLNI.HHZ. 2020-02-29T23:07:41.53 0.1 positive manual P 133 33.8439 128 -0.45 95
IV.ESML.HHZ. 2020-02-29T23:07:41.33 0.1 undecidable manual P 75 26.0517 136 0.24 100
IV.GALF.HHZ. 2020-02-29T23:07:39.82 0.1 undecidable manual P 352 17.0718 149 -0.42 97
IV.CAGR.HHZ. 2020-02-29T23:07:39.44 0.1 negative manual P 311 10.7781 159 -0.38 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GALF.HHE. ML:1.7 0.00019187975 0.3968 AML other m 2020-02-29T23:07:45.45
IV.GALF.HHN. ML:1.6 0.00015553404999999997 1.6032 AML other m 2020-02-29T23:07:46.03
IV.HLNI.HHN. ML:1.2 0.00004639564 0.2176 AML other m 2020-02-29T23:07:47.46
IV.CAGR.HHN. ML:1.5 0.00015365175 0.4224 AML other m 2020-02-29T23:07:48.06
IV.CAGR.HHE. ML:1.4 0.00011785925999999999 0.4736 AML other m 2020-02-29T23:07:48.11
IV.HLNI.HHE. ML:1.1 0.000037144104999999996 0.1152 AML other m 2020-02-29T23:07:48.47
IV.RAFF.HHN. ML:1.0 0.000026227835 0.1792 AML other m 2020-02-29T23:07:50.88
IV.RAFF.HHE. ML:1.3 0.000044696025 0.2048 AML other m 2020-02-29T23:07:51.98
IV.HAGA.HHN. ML:1.4 0.000048995028999999994 0.1536 AML other m 2020-02-29T23:07:55.44
IV.HAGA.HHE. ML:1.4 0.000043607359999999996 0.3584 AML other m 2020-02-29T23:07:55.37
IV.SSY.HHE. ML:2.1 0.00019858525 1.8976 AML other m 2020-02-29T23:07:56.04
IV.SSY.HHN. ML:2.4 0.00048530005 0.0768 AML other m 2020-02-29T23:07:57.25
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