Earthquake with magnitude of ML 1.6 on date 18-03-2020 and time 22:55:24 (Italy) in region 2 km E Ragalna (CT)

A magnitude ML 1.6 earthquake occured in region: 2 km E Ragalna (CT), on

  • 18-03-2020 21:55:24 (UTC)
  • 18-03-2020 22:55:24 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.6240, 14.9610 at 8 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
Ragalna CT 2 3924 3924
Belpasso CT 4 28108 32032
Nicolosi CT 6 7463 39495
Santa Maria di Licodia CT 7 7641 47136
PaternĂ² CT 7 48228 95364
Camporotondo Etneo CT 7 5023 100387
San Pietro Clarenza CT 8 7743 108130
Biancavilla CT 8 24007 132137
Pedara CT 9 14102 146239
Mascalucia CT 10 31958 178197
Trecastagni CT 11 10910 189107
Tremestieri Etneo CT 11 20589 209696
Gravina di Catania CT 11 25838 235534
Misterbianco CT 12 49410 284944
Adrano CT 12 36122 321066
Viagrande CT 12 8563 329629
Motta Sant'Anastasia CT 12 12116 341745
Sant'Agata li Battiati CT 13 9479 351224
San Giovanni la Punta CT 13 23060 374284
Aci Bonaccorsi CT 13 3524 377808
San Gregorio di Catania CT 15 11966 389774
Aci Sant'Antonio CT 15 17984 407758
Zafferana Etnea CT 15 9517 417275
Valverde CT 15 7840 425115
Aci Catena CT 16 29851 454966
Santa Venerina CT 17 8592 463558
Catania CT 17 314555 778113
Milo CT 18 1087 779200
Aci Castello CT 18 18723 797923
Acireale CT 18 52622 850545
Centuripe EN 19 5470 856015

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km NW of Catania (314555 inhabitants)
18 Km W of Acireale (52622 inhabitants)
69 Km NW of Siracusa (122291 inhabitants)
80 Km N of Ragusa (73313 inhabitants)
81 Km E of Caltanissetta (63360 inhabitants)
81 Km SW of Reggio di Calabria (183035 inhabitants)
82 Km SW of Messina (238439 inhabitants)
84 Km NE of Vittoria (63339 inhabitants)
87 Km N of Modica (54633 inhabitants)
88 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 1.6 2020-03-18
21:55:24
37.6238 14.961 8 2020-07-18
21:08:28
Bollettino Sismico Italiano INGV 77616841
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-18 21:55:24 ± 0.15
Latitude 37.6238 ± 0.0072
Longitude 14.9610 ± 0.0125
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77616841

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 898
Semi-minor axis of confidence ellipse (meter) 667
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 292
Circular confidence region, given by single value of horizontal uncertainty (meter) 900.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.04856
Epicentral distance of station farthest from the epicenter (degree) 0.40829
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 77616841
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-27 12:14:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HLNI.HHE. 2020-03-18T21:55:36.94 0.6 undecidable manual S 194 31.5462 104 0.75 42
IV.EPZF.HHZ. 2020-03-18T21:55:34.77 0.6 undecidable manual S 338 23.9538 109 1.1 36
IV.AIO.HHE. 2020-03-18T21:55:33.68 0.3 undecidable manual P 32 45.3213 50 0 75
IV.HAGA.HHZ. 2020-03-18T21:55:32.88 0.6 undecidable manual P 156 41.3253 50 -0.17 48
IV.GALF.HHZ. 2020-03-18T21:55:32.78 0.6 undecidable manual P 286 35.9418 50 0.55 45
IV.HLNI.HHE. 2020-03-18T21:55:31.02 0.1 undecidable manual P 194 31.5462 104 -0.39 94
IV.EPZF.HHZ. 2020-03-18T21:55:30.16 0.3 undecidable manual P 338 23.9538 109 0.19 75
IV.ENIC.HHZ. 2020-03-18T21:55:29.01 0.6 undecidable manual S 81 5.3946 146 0.75 44
IV.EPIT.HHN. 2020-03-18T21:55:29.83 0.6 undecidable manual P 22 22.4553 110 0.16 50
IV.EMCN.HNZ. 2020-03-18T21:55:28.50 0.6 undecidable manual P 19 19.6692 112 -0.64 44
IV.ESML.HHZ. 2020-03-18T21:55:28.95 0.6 undecidable manual S 265 7.1928 138 0.31 50
IV.ECHR.HNZ. 2020-03-18T21:55:28.91 0.6 undecidable manual S 329 8.0808 135 0.04 53
IV.EVRN.HNZ. 2020-03-18T21:55:28.92 0.3 undecidable manual P 65 16.9719 115 0.27 74
IV.ESLN.HHZ. 2020-03-18T21:55:28.47 0.6 undecidable manual S 9 7.7811 136 -0.32 50
IV.ECHR.HNZ. 2020-03-18T21:55:26.58 0.3 undecidable manual P 329 8.0808 135 -0.61 69
IV.ESLN.HHZ. 2020-03-18T21:55:26.71 0.3 undecidable manual P 9 7.7811 136 -0.43 73
IV.ESML.HHZ. 2020-03-18T21:55:26.75 0.1 undecidable manual P 265 7.1928 138 -0.31 100
IV.ENIC.HHZ. 2020-03-18T21:55:26.90 0.3 undecidable manual P 81 5.3946 146 0.06 79
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ESLN.HHN. ML:1.7 0.00094299105 0.704 AML other m 2020-03-18T21:55:26.17
IV.ESLN.HHE. ML:1.8 0.00103448145 0.2816 AML other m 2020-03-18T21:55:28.99
IV.ESML.HHN. ML:1.2 0.00028782825 0.1152 AML other m 2020-03-18T21:55:30.00
IV.ESML.HHE. ML:1.4 0.0004755245 0.2304 AML other m 2020-03-18T21:55:31.52
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