Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 22-01-2020 and time 19:06:32 (Italy) in region Costa Siracusana (Siracusa)

A magnitude ML 2.2 earthquake occured in region: Costa Siracusana (Siracusa), on

  • 22-01-2020 18:06:32 (UTC)
  • 22-01-2020 19:06:32 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 36.6130, 15.0120 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Portopalo di Capo Passero SR 14 3887 3887
Pachino SR 14 22205 26092
Pozzallo RG 20 19552 45644

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km SE of Modica (54633 inhabitants)
43 Km SE of Ragusa (73313 inhabitants)
56 Km SW of Siracusa (122291 inhabitants)
56 Km SE of Vittoria (63339 inhabitants)
84 Km SE of Gela (75827 inhabitants)
99 Km S 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 		ML 2.2 2020-01-22
18:06:32		 36.6127 15.0117 8 2020-07-18
21:08:24		 Bollettino Sismico Italiano INGV 77077611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-22 18:06:32 ± 0.34
Latitude 36.6127 ± 0.0135
Longitude 15.0117 ± 0.0246
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 77077611

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2278
Semi-minor axis of confidence ellipse (meter) 1329
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 105
Circular confidence region, given by single value of horizontal uncertainty (meter) 2280.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 195
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) 0.49
Epicentral distance of station closest to the epicenter (degree) 0.09803
Epicentral distance of station farthest from the epicenter (degree) 1.00005
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 77077611
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-06 16:05:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.WDD.HHN. 2020-01-22T18:07:02.18 0.6 undecidable manual S 207 96.4257 50 1.03 32
IV.HAGA.HHZ. 2020-01-22T18:06:56.06 0.6 undecidable manual S 10 75.6687 50 0.45 42
IV.HVZN.HNZ. 2020-01-22T18:06:54.81 0.6 undecidable manual S 337 67.9764 50 1.24 30
IV.SSY.HHZ. 2020-01-22T18:06:52.44 0.6 undecidable manual S 5 60.6948 50 0.82 37
IV.CLTA.HHN. 2020-01-22T18:06:51.84 0.1 undecidable manual P 303 111 50 0.64 73
IV.MEU.EHZ. 2020-01-22T18:06:50.97 0.6 undecidable manual S 344 57.5979 50 0.18 46
MN.WDD.HHN. 2020-01-22T18:06:49.17 0.6 undecidable manual P 207 96.4257 50 0.23 42
IV.CROCE.HHZ. 2020-01-22T18:06:48.30 0.6 undecidable manual S 300 48.9177 50 -0.17 46
IV.RAFF.HHZ. 2020-01-22T18:06:47.97 0.1 undecidable manual P 320 88.8444 50 0.2 86
IV.HAGA.HHZ. 2020-01-22T18:06:45.20 0.3 undecidable manual P 10 75.6687 50 -0.54 61
IV.HVZN.HNZ. 2020-01-22T18:06:44.03 0.1 undecidable manual P 337 67.9764 50 -0.54 83
IV.SSY.HHZ. 2020-01-22T18:06:43.02 0.3 undecidable manual P 5 60.6948 50 -0.42 65
IV.MEU.EHZ. 2020-01-22T18:06:41.90 0.1 undecidable manual P 344 57.5979 50 -1.06 67
IV.CROCE.HHZ. 2020-01-22T18:06:40.82 0.3 undecidable manual P 300 48.9177 50 -0.8 58
IV.ISPIC.HNZ. 2020-01-22T18:06:40.29 0.6 undecidable manual S 333 20.9679 111 0.24 48
IV.HPAC.HHN. 2020-01-22T18:06:37.64 0.6 undecidable manual S 12 10.878 126 0.7 43
IV.ISPIC.HNZ. 2020-01-22T18:06:36.49 0.1 undecidable manual P 333 20.9679 111 -0.27 96
IV.HPAC.HHN. 2020-01-22T18:06:35.11 0.1 undecidable manual P 12 10.878 126 0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HPAC.HHE. ML:2.4 0.00362 1.2 AML other m 2020-01-22T18:06:37.97
IV.HPAC.HHN. ML:2.2 0.0023200000000000004 0.26 AML other m 2020-01-22T18:06:39.63
IV.ISPIC.HNE. ML:2.0 0.0008214999999999999 0.42 AML other m 2020-01-22T18:06:40.40
IV.ISPIC.HNN. ML:2.0 0.0007815 0.6 AML other m 2020-01-22T18:06:40.35
IV.MEU.EHE. ML:1.9 0.000186 1.18 AML other m 2020-01-22T18:06:51.32
IV.CROCE.HHE. ML:2.2 0.00039949999999999995 0.2 AML other m 2020-01-22T18:06:52.14
IV.MEU.EHN. ML:2.2 0.00035250000000000006 0.28 AML other m 2020-01-22T18:06:52.31
IV.CROCE.HHN. ML:2.2 0.0003845 1.8 AML other m 2020-01-22T18:06:53.02
IV.SSY.HHE. ML:2.6 0.000797 0.74 AML other m 2020-01-22T18:06:53.39
IV.SSY.HHN. ML:2.8 0.0013250000000000002 0.5 AML other m 2020-01-22T18:06:56.89
IV.HAGA.HHE. ML:2.2 0.00021799999999999999 1.46 AML other m 2020-01-22T18:06:57.18
IV.HAGA.HHN. ML:2.0 0.00013624999999999998 0.56 AML other m 2020-01-22T18:07:00.06
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