Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 23-04-2020 and time 20:07:12 (Italy) in region Costa Catanese (Catania)

A magnitude ML 2.4 earthquake occured in region: Costa Catanese (Catania), on

  • 23-04-2020 18:07:12 (UTC)
  • 23-04-2020 20:07:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.3510, 15.1690 at 21 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
Augusta SR 14 36305 36305
Carlentini SR 16 17798 54103
Lentini SR 17 24085 78188
Catania CT 19 314555 392743
Melilli SR 19 13621 406364

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km SE of Catania (314555 inhabitants)
29 Km S of Acireale (52622 inhabitants)
34 Km NW of Siracusa (122291 inhabitants)
61 Km NE of Ragusa (73313 inhabitants)
66 Km NE of Modica (54633 inhabitants)
72 Km NE of Vittoria (63339 inhabitants)
87 Km E of Gela (75827 inhabitants)
94 Km SW of Reggio di Calabria (183035 inhabitants)
99 Km E of Caltanissetta (63360 inhabitants)
100 Km SW of Messina (238439 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 2.4 2020-04-23
18:07:12		 37.351 15.1692 21 2020-07-18
21:08:40		 Bollettino Sismico Italiano INGV 80032931
Reviewed
Rev100 		ML 2.6 2020-04-23
18:07:12		 37.3347 15.1742 21 2020-04-23
18:16:04		 Sala Sismica INGV-Roma 78507711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-23 18:07:12 ± 0.13
Latitude 37.3510 ± 0.0063
Longitude 15.1692 ± 0.0113
Depth (km) 21 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 80032931

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1020
Semi-minor axis of confidence ellipse (meter) 363
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 297
Circular confidence region, given by single value of horizontal uncertainty (meter) 1020.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 156
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 39
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.39
Epicentral distance of station closest to the epicenter (degree) 0.06655
Epicentral distance of station farthest from the epicenter (degree) 1.37596
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 24
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 42
Type of magnitude ML
Reference to an origin 80032931
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-07-13 10:28:20

ML:2.6

Field Value
Value 2.6
Uncertainty 0.3
Num. used stations 34
Type of magnitude ML
Reference to an origin 78507711
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-23 18:16:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SICLA.EHZ. 2020-04-23T18:07:44.66 0.6 undecidable manual S 25 111.1998 96 0.35 39
IV.MSRU.HHZ. 2020-04-23T18:07:43.55 0.3 undecidable manual S 16 105.5166 96 0.75 53
IV.MPNC.HHZ. 2020-04-23T18:07:39.00 0.6 undecidable manual S 10 89.7435 97 0.4 41
IV.MTTG.HHZ. 2020-04-23T18:07:38.44 0.6 undecidable manual S 33 86.0472 97 0.81 35
IV.MUCR.HHZ. 2020-04-23T18:07:37.06 0.6 undecidable manual S 341 81.0522 98 0.76 37
IV.JOPP.HHZ. 2020-04-23T18:07:35.19 0.3 undecidable manual P 24 152.736 54 -1.62 30
MN.VAE.HHZ. 2020-04-23T18:07:34.38 0.6 undecidable manual S 281 73.0713 99 0.18 44
IV.HPAC.HHZ. 2020-04-23T18:07:34.77 0.6 undecidable manual S 189 72.1722 99 0.79 35
IV.ACATE.EHZ. 2020-04-23T18:07:33.74 0.3 undecidable manual S 239 69.375 100 0.52 60
IV.AIO.HHZ. 2020-04-23T18:07:33.38 0.6 undecidable manual S 5 69.0753 100 0.25 44
MN.CEL.HHZ. 2020-04-23T18:07:31.28 0.3 undecidable manual P 32 119.1918 95 -0.61 53
IV.SICLA.EHZ. 2020-04-23T18:07:30.46 0.1 positive manual P 25 111.1998 96 -0.21 80
IV.MSRU.HHZ. 2020-04-23T18:07:29.55 0.1 undecidable manual P 16 105.5166 96 -0.25 80
IV.MSFR.HHZ. 2020-04-23T18:07:28.38 0.6 undecidable manual P 326 91.1421 97 0.78 35
IV.MPNC.HHZ. 2020-04-23T18:07:27.04 0.1 negative manual P 10 89.7435 97 -0.33 81
IV.HVZN.HHE. 2020-04-23T18:07:26.74 0.6 undecidable manual S 245 44.4222 106 0.02 47
IV.MUCR.HHZ. 2020-04-23T18:07:26.06 0.3 undecidable manual P 341 81.0522 98 0.01 66
IV.MTTG.HHZ. 2020-04-23T18:07:26.51 0.3 undecidable manual P 33 86.0472 97 -0.3 62
MN.VAE.HHZ. 2020-04-23T18:07:25.72 0.3 undecidable manual P 281 73.0713 99 0.88 52
IV.ESML.HHZ. 2020-04-23T18:07:25.09 0.6 undecidable manual S 319 39.1275 109 -0.28 45
IV.GALF.HHZ. 2020-04-23T18:07:24.11 0.1 undecidable manual P 307 66.378 100 0.3 86
IV.HPAC.HHZ. 2020-04-23T18:07:24.65 0.1 positive manual P 189 72.1722 99 -0.06 90
IV.RAFF.HHZ. 2020-04-23T18:07:24.64 0.1 undecidable manual P 259 72.5718 99 -0.12 88
IV.AIO.HHZ. 2020-04-23T18:07:23.84 0.1 undecidable manual P 5 69.0753 100 -0.38 84
IV.ACATE.EHZ. 2020-04-23T18:07:23.98 0.1 positive manual P 239 69.375 100 -0.28 86
IV.EPZF.HHZ. 2020-04-23T18:07:23.42 0.3 undecidable manual P 332 59.1963 102 0.69 59
IV.SSY.HHZ. 2020-04-23T18:07:21.90 0.3 undecidable manual S 202 23.0547 124 0.39 68
IV.HLNI.HHZ. 2020-04-23T18:07:21.40 0.1 undecidable manual S 269 26.2515 120 -0.83 76
IV.HVZN.HHE. 2020-04-23T18:07:20.51 0.1 undecidable manual P 245 44.4222 106 0 95
IV.ENIC.HHZ. 2020-04-23T18:07:20.21 0.3 undecidable manual P 337 33.744 113 1.25 48
IT.LNT.HGZ. 2020-04-23T18:07:20.07 0.3 undecidable manual S 245 16.2726 136 -0.06 74
IV.ESML.HHZ. 2020-04-23T18:07:19.35 0.1 undecidable manual P 319 39.1275 109 -0.38 88
IV.EPOZ.HHZ. 2020-04-23T18:07:19.07 0.6 undecidable manual P 3 35.6421 111 -0.17 46
IV.EVRN.HNN. 2020-04-23T18:07:19.50 0.3 undecidable manual P 356 37.629 110 -0.02 71
IV.HAGA.HHZ. 2020-04-23T18:07:18.93 0.3 undecidable manual S 190 7.3815 157 0.12 74
IV.SSY.HHZ. 2020-04-23T18:07:17.52 0.1 negative manual P 202 23.0547 124 0.01 98
IV.HLNI.HHZ. 2020-04-23T18:07:17.37 0.1 negative manual P 269 26.2515 120 -0.55 86
IT.LNT.HGZ. 2020-04-23T18:07:16.52 0.1 negative manual P 245 16.2726 136 -0.19 96
IV.HAGA.HHZ. 2020-04-23T18:07:15.85 0.1 negative manual P 190 7.3815 157 -0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HAGA.HHN. ML:2.8 0.004953741 0.128 AML other m 2020-04-23T18:07:19.05
IV.HAGA.HHE. ML:2.9 0.005625451500000001 0.1152 AML other m 2020-04-23T18:07:19.02
IV.HLNI.HHE. ML:2.8 0.0030065014999999997 0.2048 AML other m 2020-04-23T18:07:21.71
IV.SSY.HHN. ML:3.2 0.0080342525 0.1792 AML other m 2020-04-23T18:07:22.16
IV.HLNI.HHN. ML:2.4 0.0012749999999999999 0.78 AML other m 2020-04-23T18:07:22.91
IV.SSY.HHE. ML:2.8 0.0030800000000000003 1.12 AML other m 2020-04-23T18:07:23.18
IV.ESML.HHN. ML:1.9 0.0002659955 0.2816 AML other m 2020-04-23T18:07:25.45
IV.EPZF.HHN. ML:2.2 0.0003421724 0.8832 AML other m 2020-04-23T18:07:26.27
IV.ENIC.HHE. ML:2.5 0.0012050000000000001 0.94 AML other m 2020-04-23T18:07:27.91
IV.ENIC.HHN. ML:2.4 0.0008807487999999999 0.1792 AML other m 2020-04-23T18:07:27.61
IV.EPZF.HHE. ML:2.1 0.0002478184 0.7808 AML other m 2020-04-23T18:07:29.38
IV.ESML.HHE. ML:1.9 0.0002349726 0.4736 AML other m 2020-04-23T18:07:30.24
IV.ENIC.HNE. ML:2.5 0.0010912297 0.2944 AML other m 2020-04-23T18:07:32.02
IV.ACATE.HNE. ML:2.7 0.0007884311 0.2048 AML other m 2020-04-23T18:07:34.84
IV.ACATE.EHE. ML:2.6 0.0007363189 0.192 AML other m 2020-04-23T18:07:34.95
IV.GALF.HHE. ML:2.4 0.000477 0.52 AML other m 2020-04-23T18:07:35.18
IV.AIO.HHE. ML:2.1 0.000188 0.48 AML other m 2020-04-23T18:07:35.68
IV.RAFF.HHE. ML:2.3 0.00027523170000000004 0.7424 AML other m 2020-04-23T18:07:36.07
IV.HPAC.HHE. ML:2.7 0.0008312014999999999 0.32 AML other m 2020-04-23T18:07:35.86
IV.RAFF.HHN. ML:2.2 0.00022702325 0.3712 AML other m 2020-04-23T18:07:35.96
IV.ACATE.HNN. ML:2.6 0.0006973967999999999 0.2816 AML other m 2020-04-23T18:07:36.20
IV.HPAC.HHN. ML:2.7 0.0007475 1.3 AML other m 2020-04-23T18:07:36.10
IV.AIO.HHN. ML:2.1 0.00020850000000000003 0.28 AML other m 2020-04-23T18:07:36.29
IV.GALF.HHN. ML:2.5 0.0005235000000000001 1.56 AML other m 2020-04-23T18:07:36.05
IV.ACATE.EHN. ML:2.8 0.00091 0.54 AML other m 2020-04-23T18:07:38.08
IV.MUCR.HHE. ML:2.0 0.0001255 0.5 AML other m 2020-04-23T18:07:38.18
IV.MUCR.HHN. ML:2.0 0.00011949999999999999 0.94 AML other m 2020-04-23T18:07:38.70
IV.MTTG.HHE. ML:2.3 0.000247 0.58 AML other m 2020-04-23T18:07:40.02
IV.MTTG.HHN. ML:2.2 0.0002145 0.48 AML other m 2020-04-23T18:07:40.84
IV.MPNC.HHE. ML:2.5 0.0003695 0.4 AML other m 2020-04-23T18:07:40.88
IV.MPNC.HHN. ML:2.4 0.00026097595 0.3456 AML other m 2020-04-23T18:07:41.22
IV.MSRU.HHE. ML:2.7 0.00045968779999999997 0.448 AML other m 2020-04-23T18:07:44.14
IV.MSRU.HHN. ML:2.6 0.0003269707 0.3456 AML other m 2020-04-23T18:07:44.76
IV.SICLA.EHE. ML:2.6 0.00032250000000000003 0.36 AML other m 2020-04-23T18:07:45.58
IV.SICLA.EHN. ML:2.6 0.0003427289 0.448 AML other m 2020-04-23T18:07:45.98
IV.GALF.HNE. ML:1.9 0.000124646945 0.6272 AML other m 2020-04-23T18:07:46.69
MN.CEL.HHE. ML:2.1 0.00009784992 0.2176 AML other m 2020-04-23T18:07:47.51
MN.CEL.HHN. ML:2.1 0.00008443341 0.3584 AML other m 2020-04-23T18:07:49.40
MN.CEL.HNN. ML:2.2 0.00012529505 0.7808 AML other m 2020-04-23T18:07:49.59
IV.GALF.HNN. ML:1.9 0.00012615845 0.7168 AML other m 2020-04-23T18:07:50.33
IV.MSFR.HHN. ML:2.0 0.000097788395 1.92 AML other m 2020-04-23T18:07:55.68
IV.MSFR.HHE. ML:1.6 0.00004054447 1.3312 AML other m 2020-04-23T18:08:03.38
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
Waveforms Seismic signals in miniseed + resp format Download