Earthquake with magnitude of Md 2.0 on date 22-12-2020 and time 20:37:58 (UTC) in region Costa Ragusana (Ragusa)

A magnitude Md 2.0 earthquake occured in region: Costa Ragusana (Ragusa), on

  • 22-12-2020 20:37:58 (UTC)
  • 22-12-2020 21:37:58 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 36.9580, 14.3780 at 26 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
Acate RG 13 10954 10954
Vittoria RG 14 63339 74293
Gela CL 17 75827 150120
Santa Croce Camerina RG 19 10823 160943

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km W of Vittoria (63339 inhabitants)
17 Km SE of Gela (75827 inhabitants)
32 Km W of Ragusa (73313 inhabitants)
36 Km W of Modica (54633 inhabitants)
66 Km SE of Caltanissetta (63360 inhabitants)
81 Km SE of Agrigento (59770 inhabitants)
82 Km W of Siracusa (122291 inhabitants)
87 Km SW of Catania (314555 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
Md 2.0 2020-12-22
20:37:58
36.9578 14.3782 26 2021-02-26
14:56:19
Bollettino Sismico Italiano INGV 87209731
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-22 20:37:58 ± 0.3
Latitude 36.9578 ± 0.0144
Longitude 14.3782 ± 0.0146
Depth (km) 26 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 87209731

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1400
Semi-minor axis of confidence ellipse (meter) 1112
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 223
Circular confidence region, given by single value of horizontal uncertainty (meter) 1400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 242
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 14
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.70057
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 7
Magnitude information

Md:2.0

Field Value
Value 2.0
Uncertainty 0.6
Num. used stations 5
Type of magnitude Md
Reference to an origin 87209731
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-16 12:24:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LAV9.HNZ. 2020-12-22T20:39:27.10 3.0 undecidable manual Pg 16.9 0
IV.GRI.EHN. 2020-12-22T20:39:25.86 3.0 undecidable manual Sn -0.01 0
IV.CSP1.EHZ. 2020-12-22T20:39:22.68 3.0 undecidable manual Pn -6.08 0
IV.MMN.HHN. 2020-12-22T20:38:56.84 3.0 negative manual Pg 9.24 0
IV.TDS.HHZ. 2020-12-22T20:38:47.98 3.0 undecidable manual Pn 2.09 0
XK.GIZZ.HHZ. 2020-12-22T20:38:32.04 3.0 negative manual Pn -4.72 0
IV.HAGA.HHZ. 2020-12-22T20:38:21.95 0.6 undecidable manual S 62 77.7666 103 -0.09 47
IV.HCRL.HHZ. 2020-12-22T20:38:19.83 0.6 undecidable manual S 58 68.1762 105 0.25 44
IV.HPAC.HHE. 2020-12-22T20:38:19.32 0.3 undecidable manual S 115 64.6908 106 0.64 64
IV.SSY.HHN. 2020-12-22T20:38:19.50 0.6 undecidable manual S 70 65.49 106 0.63 40
IV.HMDC.HHZ. 2020-12-22T20:38:11.47 0.6 undecidable manual S 90 35.9418 120 -0.09 49
IV.HAGA.HHZ. 2020-12-22T20:38:11.64 0.3 undecidable manual P 62 77.7666 103 -0.4 66
IV.SSY.HHN. 2020-12-22T20:38:10.18 0.1 undecidable manual P 70 65.49 106 -0.03 95
IV.HCRL.HHZ. 2020-12-22T20:38:10.45 0.1 undecidable manual P 58 68.1762 105 -0.17 94
IV.RAFF.HHN. 2020-12-22T20:38:10.72 0.6 undecidable manual S 357 29.4483 126 0.61 43
IV.HPAC.HHE. 2020-12-22T20:38:10.14 0.3 undecidable manual P 115 64.6908 106 0.04 72
IV.ACATE.EHN. 2020-12-22T20:38:06.82 0.6 undecidable manual S 56 13.0758 150 -0.35 48
IV.RAFF.HHN. 2020-12-22T20:38:05.20 0.1 undecidable manual P 357 29.4483 126 0.05 100
IV.HMDC.HHZ. 2020-12-22T20:38:05.70 0.1 undecidable manual P 90 35.9418 120 -0.28 95
IV.ACATE.EHN. 2020-12-22T20:38:03.16 0.3 undecidable manual P 56 13.0758 150 -0.3 74
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