Earthquake with magnitude of ML 1.2 on date 19-08-2020 and time 04:25:41 (UTC) in region 2 km SW Ragalna (CT)

A magnitude ML 1.2 earthquake occured in region: 2 km SW Ragalna (CT), on

  • 19-08-2020 04:25:41 (UTC)
  • 19-08-2020 06:25:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.62, 14.93 at 9 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
Santa Maria di Licodia CT 4 7641 11565
PaternĂ² CT 5 48228 59793
Belpasso CT 5 28108 87901
Biancavilla CT 6 24007 111908
Camporotondo Etneo CT 9 5023 116931
Nicolosi CT 9 7463 124394
San Pietro Clarenza CT 10 7743 132137
Adrano CT 10 36122 168259
Pedara CT 12 14102 182361
Motta Sant'Anastasia CT 12 12116 194477
Mascalucia CT 12 31958 226435
Misterbianco CT 12 49410 275845
Gravina di Catania CT 13 25838 301683
Trecastagni CT 13 10910 312593
Tremestieri Etneo CT 13 20589 333182
Sant'Agata li Battiati CT 15 9479 342661
Viagrande CT 15 8563 351224
San Giovanni la Punta CT 15 23060 374284
Aci Bonaccorsi CT 16 3524 377808
Centuripe EN 17 5470 383278
San Gregorio di Catania CT 17 11966 395244
Aci Sant'Antonio CT 17 17984 413228
Valverde CT 18 7840 421068
Zafferana Etnea CT 18 9517 430585
Catania CT 19 314555 745140
Aci Catena CT 19 29851 774991

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km NW of Catania (314555 inhabitants)
21 Km W of Acireale (52622 inhabitants)
70 Km NW of Siracusa (122291 inhabitants)
78 Km E of Caltanissetta (63360 inhabitants)
79 Km N of Ragusa (73313 inhabitants)
82 Km NE of Vittoria (63339 inhabitants)
84 Km SW of Reggio di Calabria (183035 inhabitants)
85 Km SW of Messina (238439 inhabitants)
85 Km N of Modica (54633 inhabitants)
86 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 1.2 2020-08-19
04:25:41
37.62 14.93 9 2020-11-19
12:37:04
Bollettino Sismico Italiano INGV 83627071
Reviewed
Rev200
ML 1.7 2020-08-19
04:25:40
37.59 14.93 0 2020-10-08
19:17:01
Sala Operativa INGV_OE (Catania) 82134861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-19 04:25:41 ± 0.29
Latitude 37.62 ± 0.01
Longitude 14.93 ± 0.01
Depth (km) 9 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 83627071

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1006
Semi-minor axis of confidence ellipse (meter) 955
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 115
Circular confidence region, given by single value of horizontal uncertainty (meter) 1010
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 113
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.03957
Epicentral distance of station farthest from the epicenter (degree) 0.2698
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0
Num. used stations 2
Type of magnitude ML
Reference to an origin 83627071
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-08 19:16:47

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 82134861
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2020-08-19 04:44:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.HLNI.HHZ. 2020-08-19T04:25:53.18 0.6 undecidable manual S 190 0.2698 107 0.4 45
IV.EPOZ.HHZ. 2020-08-19T04:25:47.64 0.3 undecidable manual P 74 0.2131 111 0.65 63
IV.HLNI.HHZ. 2020-08-19T04:25:47.84 0.3 undecidable manual P 190 0.2698 107 -0.35 68
IV.ECBD.HHN. 2020-08-19T04:25:46.90 0.3 undecidable manual P 37 0.2068 112 0.04 74
IV.ESLN.HHZ. 2020-08-19T04:25:46.70 0.6 undecidable manual S 25 0.0863 134 0.2 49
IV.ESML.HHZ. 2020-08-19T04:25:45.76 0.6 undecidable manual S 275 0.0396 154 0.34 48
IV.ENIC.HHZ. 2020-08-19T04:25:45.94 0.6 undecidable manual S 77 0.0755 138 -0.26 48
IV.ENIC.HHZ. 2020-08-19T04:25:44.07 0.3 undecidable manual P 77 0.0755 138 -0.32 72
IV.ESLN.HHZ. 2020-08-19T04:25:44.35 0.1 undecidable manual P 25 0.0863 134 -0.21 97
IV.ECHR.HHE. 2020-08-19T04:25:44.39 0.3 undecidable manual P 350 0.0719 139 0.05 76
IV.ESML.HHZ. 2020-08-19T04:25:43.81 0.1 undecidable manual P 275 0.0396 154 -0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HLNI.HHN. ML:1.2 8.09E-5 1.04 AML other m 2020-08-19T04:25:54.70
IV.HLNI.HHE. ML:1.2 7.84E-5 0.84 AML other m 2020-08-19T04:25:54.82
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download