Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 27-06-2020 and time 20:46:04 (Italy) in region 6 km N Ragalna (CT)

A magnitude ML 1.6 earthquake occured in region: 6 km N Ragalna (CT), on

  • 27-06-2020 18:46:04 (UTC)
  • 27-06-2020 20:46:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.6880, 14.9280 at 12 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 6 3924 3924
Biancavilla CT 7 24007 27931
Santa Maria di Licodia CT 9 7641 35572
Adrano CT 9 36122 71694
Belpasso CT 12 28108 99802
Nicolosi CT 12 7463 107265
Paternò CT 12 48228 155493
Bronte CT 14 19172 174665
Pedara CT 14 14102 188767
Camporotondo Etneo CT 15 5023 193790
San Pietro Clarenza CT 15 7743 201533
Trecastagni CT 16 10910 212443
Zafferana Etnea CT 16 9517 221960
Maletto CT 17 3920 225880
Mascalucia CT 17 31958 257838
Viagrande CT 17 8563 266401
Milo CT 17 1087 267488
Tremestieri Etneo CT 18 20589 288077
Centuripe EN 18 5470 293547
Gravina di Catania CT 18 25838 319385
Santa Venerina CT 19 8592 327977
Aci Bonaccorsi CT 19 3524 331501
San Giovanni la Punta CT 19 23060 354561
Sant'Agata li Battiati CT 20 9479 364040
Aci Sant'Antonio CT 20 17984 382024
Misterbianco CT 20 49410 431434
Motta Sant'Anastasia CT 20 12116 443550

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km W of Acireale (52622 inhabitants)
25 Km NW of Catania (314555 inhabitants)
77 Km NW of Siracusa (122291 inhabitants)
78 Km SW of Reggio di Calabria (183035 inhabitants)
79 Km SW of Messina (238439 inhabitants)
79 Km E of Caltanissetta (63360 inhabitants)
87 Km N of Ragusa (73313 inhabitants)
89 Km NE of Vittoria (63339 inhabitants)
91 Km NE of Gela (75827 inhabitants)
93 Km N of Modica (54633 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 2020-06-27
18:46:04		 37.6882 14.9283 12 2020-11-19
12:36:51		 Bollettino Sismico Italiano INGV 80855521
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-06-27 18:46:04 ± 0.09
Latitude 37.6882 ± 0.0045
Longitude 14.9283 ± 0.0102
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 80855521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 788
Semi-minor axis of confidence ellipse (meter) 325
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 90
Circular confidence region, given by single value of horizontal uncertainty (meter) 790.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 62
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.01259
Epicentral distance of station farthest from the epicenter (degree) 0.44157
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 80855521
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-07-07 10:12:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HAGA.HHZ. 2020-06-27T18:46:20.46 0.6 undecidable manual S 156 49.0176 92 0.36 43
IV.MUCR.HHE. 2020-06-27T18:46:18.10 0.6 undecidable manual S 353 39.627 93 0.48 44
IV.HLNI.HHE. 2020-06-27T18:46:17.18 0.6 undecidable manual S 188 38.0286 93 0 48
IV.GALF.HHZ. 2020-06-27T18:46:15.27 0.6 undecidable manual S 275 31.8459 94 -0.27 45
IV.HAGA.HHZ. 2020-06-27T18:46:13.20 0.3 undecidable manual P 156 49.0176 92 -0.34 67
IV.MSFR.HHZ. 2020-06-27T18:46:13.13 0.6 undecidable manual P 323 48.4182 92 -0.32 44
IV.CAGR.HHE. 2020-06-27T18:46:12.87 0.3 undecidable manual P 259 38.3283 93 0.96 55
IV.AIO.HHZ. 2020-06-27T18:46:12.49 0.1 positive manual P 40 41.2254 92 0.15 93
IV.MUCR.HHE. 2020-06-27T18:46:11.86 0.1 undecidable manual P 353 39.627 93 -0.25 91
IV.HLNI.HHE. 2020-06-27T18:46:11.39 0.3 undecidable manual P 188 38.0286 93 -0.46 66
IV.EPZF.HHZ. 2020-06-27T18:46:11.38 0.6 undecidable manual S 337 16.3725 106 -0.05 49
IV.GALF.HHZ. 2020-06-27T18:46:10.93 0.3 undecidable manual P 275 31.8459 94 0.02 73
IV.EMSG.HHZ. 2020-06-27T18:46:10.54 0.6 undecidable manual S 7 14.874 110 -0.52 44
IV.ECTS.HHZ. 2020-06-27T18:46:10.22 0.1 undecidable manual P 38 27.3504 95 0.01 98
IV.EPOZ.HHZ. 2020-06-27T18:46:09.65 0.6 undecidable manual P 94 22.8549 97 0.12 48
IV.ESML.HHE. 2020-06-27T18:46:09.40 0.6 undecidable manual S 209 8.88 133 -0.3 48
IV.EPZF.HHZ. 2020-06-27T18:46:08.56 0.1 positive manual P 337 16.3725 106 0.03 100
IV.EMSG.HHZ. 2020-06-27T18:46:08.40 0.6 undecidable manual P 7 14.874 110 0.08 50
IV.ECHR.HHE. 2020-06-27T18:46:08.85 0.6 undecidable manual S 262 1.3986 172 0.09 50
IV.ECHR.HHE. 2020-06-27T18:46:07.21 0.3 undecidable manual P 262 1.3986 172 0.22 73
IV.ESML.HHE. 2020-06-27T18:46:07.48 0.6 undecidable manual P 209 8.88 133 -0.06 51
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EMSG.HHE. ML:2.0 0.00101761065 0.7168 AML other m 2020-06-27T18:46:14.91
IV.EMSG.HHN. ML:1.8 0.00080195615 0.4224 AML other m 2020-06-27T18:46:14.62
IV.EPZF.HHN. ML:1.8 0.0005269036499999999 0.6528 AML other m 2020-06-27T18:46:13.78
IV.EPZF.HHE. ML:1.9 0.0006915620500000001 0.4096 AML other m 2020-06-27T18:46:14.30
IV.GALF.HNE. ML:1.3 0.000081093885 0.9472 AML other m 2020-06-27T18:46:14.98
IV.GALF.HNN. ML:1.3 0.00008862635000000001 0.8576 AML other m 2020-06-27T18:46:19.30
IV.GALF.HHE. ML:1.9 0.000325249 0.5248 AML other m 2020-06-27T18:46:18.47
IV.GALF.HHN. ML:1.7 0.00019901765 0.3584 AML other m 2020-06-27T18:46:18.34
IV.AIO.HHN. ML:1.2 0.00005140213 0.3072 AML other m 2020-06-27T18:46:19.42
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