Earthquake with magnitude of ML 2.5 on date 20-10-2018 and time 11:54:58 (Italy) in region 2 km NW Belpasso (CT)

A magnitude ML 2.5 earthquake occured in region: 2 km NW Belpasso (CT), on

  • 20-10-2018 09:54:58 (UTC)
  • 20-10-2018 11:54:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.6090, 14.9590 at 0 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
Belpasso CT 3 28108 28108
Ragalna CT 3 3924 32032
Nicolosi CT 6 7463 39495
PaternĂ² CT 6 48228 87723
Camporotondo Etneo CT 6 5023 92746
Santa Maria di Licodia CT 6 7641 100387
San Pietro Clarenza CT 7 7743 108130
Biancavilla CT 9 24007 132137
Pedara CT 9 14102 146239
Mascalucia CT 9 31958 178197
Gravina di Catania CT 11 25838 204035
Tremestieri Etneo CT 11 20589 224624
Misterbianco CT 11 49410 274034
Trecastagni CT 11 10910 284944
Motta Sant'Anastasia CT 11 12116 297060
Sant'Agata li Battiati CT 12 9479 306539
Viagrande CT 12 8563 315102
San Giovanni la Punta CT 12 23060 338162
Adrano CT 13 36122 374284
Aci Bonaccorsi CT 13 3524 377808
San Gregorio di Catania CT 14 11966 389774
Aci Sant'Antonio CT 15 17984 407758
Valverde CT 15 7840 415598
Zafferana Etnea CT 16 9517 425115
Aci Catena CT 16 29851 454966
Catania CT 16 314555 769521
Aci Castello CT 17 18723 788244
Santa Venerina CT 18 8592 796836
Acireale CT 18 52622 849458
Milo CT 19 1087 850545
Centuripe EN 19 5470 856015

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km NW of Catania (314555 inhabitants)
18 Km W of Acireale (52622 inhabitants)
68 Km NW of Siracusa (122291 inhabitants)
79 Km N of Ragusa (73313 inhabitants)
80 Km E of Caltanissetta (63360 inhabitants)
82 Km SW of Reggio di Calabria (183035 inhabitants)
82 Km NE of Vittoria (63339 inhabitants)
84 Km SW of Messina (238439 inhabitants)
85 Km N of Modica (54633 inhabitants)
87 Km NE of Gela (75827 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 2.5 2018-10-20
09:54:58
37.6093 14.9593 1 2019-06-04
09:16:14
Bollettino Sismico Italiano INGV 68088641
Reviewed
Rev200
ML 2.9 2018-10-20
09:54:57
37.606 14.975 0 2019-04-29
11:45:22
Sala Operativa INGV-OE (Catania) 62133851
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-10-20 09:54:58 ± 0.26
Latitude 37.6093 ± 0.0135
Longitude 14.9593 ± 0.0125
Depth (km) 1 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 68088641

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1590
Semi-minor axis of confidence ellipse (meter) 1080
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 342
Circular confidence region, given by single value of horizontal uncertainty (meter) 1590.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 118
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.53
Epicentral distance of station closest to the epicenter (degree) 0.06385
Epicentral distance of station farthest from the epicenter (degree) 0.44067
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:2.9

Field Value
Value 2.9
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 62133851
Agency INGV
Autore Sala Operativa INGV-OE (Catania)
Time of creation (UTC) 2018-10-20 10:25:18

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 68088641
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-04-29 11:44:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAGR.HHZ. 2018-10-20T09:55:12.35 0.3 undecidable manual S 272 40.4262 91 -0.61 71
IV.CAGR.HHZ. 2018-10-20T09:55:08.14 0.3 undecidable manual P 272 40.4262 91 1.1 57
IV.MUCR.HHZ. 2018-10-20T09:55:08.30 0.3 undecidable manual P 351 48.7179 91 -0.4 75
IV.NOV.HHE. 2018-10-20T09:55:08.04 0.3 undecidable manual P 18 48.9177 91 -0.71 67
IV.MNO.SHZ. 2018-10-20T09:55:08.46 0.1 undecidable manual P 327 42.5241 91 0.99 80
IV.HAGA.HHZ. 2018-10-20T09:55:06.92 0.3 undecidable manual P 154 39.9267 91 -0.01 83
IV.EMCN.HNZ. 2018-10-20T09:55:06.38 0.6 undecidable manual S 18 21.1677 91 0.08 56
IV.GALF.HHZ. 2018-10-20T09:55:05.43 0.6 undecidable manual P 288 36.3414 91 -0.78 45
IV.EPZF.HHZ. 2018-10-20T09:55:04.16 0.3 undecidable manual P 339 25.4523 91 0.12 83
IV.EMCN.HNZ. 2018-10-20T09:55:03.08 0.3 undecidable manual P 18 21.1677 91 -0.11 84
IV.EPOZ.HHZ. 2018-10-20T09:55:03.56 0.3 undecidable manual P 71 21.2676 91 0.35 79
IV.ESML.HHE. 2018-10-20T09:55:01.98 0.3 undecidable manual S 278 7.0929 94 0.57 77
IV.ESML.HHE. 2018-10-20T09:54:59.74 0.1 positive manual P 278 7.0929 94 -0.63 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAGR.HHE. ML:0.0 0.00138042955 1.2992 AML other m 2018-10-20T09:55:22.60
IV.CAGR.HHN. ML:0.0 0.0011863362 1.4336 AML other m 2018-10-20T09:55:25.27
IV.MNO.SHE. ML:0.0 0.0023250000000000002 0.44 AML other m 2018-10-20T09:55:26.72
IV.MNO.SHN. ML:0.0 0.002248345 0.6784 AML other m 2018-10-20T09:55:26.24
IV.EPZF.HHN. ML:2.7 0.0029406860000000005 0.4608 AML other m 2018-10-20T09:55:12.98
IV.EPZF.HHE. ML:2.6 0.0027957710000000003 0.8448 AML other m 2018-10-20T09:55:13.89
IV.GALF.HNE. ML:1.8 0.000281364 0.8 AML other m 2018-10-20T09:55:18.23
IV.GALF.HNN. ML:1.8 0.00024376124999999998 0.5504 AML other m 2018-10-20T09:55:16.50
IV.GALF.HHE. ML:2.3 0.0008374125999999999 0.6016 AML other m 2018-10-20T09:55:17.24
IV.GALF.HHN. ML:2.2 0.0007376673 0.4992 AML other m 2018-10-20T09:55:17.02
IV.MUCR.HHE. ML:2.5 0.0009882427 0.64 AML other m 2018-10-20T09:55:27.38
IV.MUCR.HHN. ML:2.6 0.0012432195 0.5376 AML other m 2018-10-20T09:55:25.67
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