Earthquake with magnitude of ML 2.1 on date 11-01-2015 and time 06:02:34 (UTC) in region Costa Siracusana (Siracusa)

A magnitude ML 2.1 earthquake occured in region: Costa Siracusana (Siracusa), on

  • 11-01-2015 06:02:34 (UTC)
  • 11-01-2015 07:02:34 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.3280, 15.2400 at 22 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
Augusta SR 11 36305 36305
Priolo Gargallo SR 19 12091 48396
Melilli SR 19 13621 62017

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km SE of Catania (314555 inhabitants)
30 Km N of Siracusa (122291 inhabitants)
32 Km S of Acireale (52622 inhabitants)
64 Km NE of Ragusa (73313 inhabitants)
67 Km NE of Modica (54633 inhabitants)
75 Km NE of Vittoria (63339 inhabitants)
92 Km E of Gela (75827 inhabitants)
94 Km SW of Reggio di Calabria (183035 inhabitants)
100 Km S of Messina (238439 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 2.1 2015-01-11
06:02:34
37.3283 15.2403 22 2015-10-19
09:26:59
Bollettino Sismico Italiano INGV 18829491
Reviewed
Rev100
ML 2.1 2015-01-11
06:02:34
37.3275 15.2428 22 2015-01-11
06:13:47
Sala Sismica INGV-Roma 16475841
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2015-01-11 06:02:34 ± 0.08
Latitude 37.3283 ± 0.0036
Longitude 15.2403 ± 0.0079
Depth (km) 22 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 18829491

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 639
Semi-minor axis of confidence ellipse (meter) 391
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 279
Circular confidence region, given by single value of horizontal uncertainty (meter) 640.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 148
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.07285
Epicentral distance of station farthest from the epicenter (degree) 1.46589
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 16475841
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2015-01-11 06:13:46

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 5
Type of magnitude ML
Reference to an origin 18829491
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-05-02 10:23:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MPNC.HHE. 2015-01-11T06:03:01.89 0.6 undecidable manual S 6 91.3419 98 0.37 40
IV.PLAC.HHE. 2015-01-11T06:02:59.75 0.6 undecidable manual P 40 162.7149 54 -0.6 31
IV.HPAC.HHZ. 2015-01-11T06:02:56.56 0.3 undecidable manual S 195 71.0733 101 0.37 62
IV.HMDC.HHZ. 2015-01-11T06:02:52.84 0.3 undecidable manual S 225 57.5979 104 0.17 66
IV.MSFR.HHE. 2015-01-11T06:02:51.30 0.6 undecidable manual P 324 96.8253 97 0.37 39
IV.MTTG.HHE. 2015-01-11T06:02:49.40 0.6 undecidable manual P 28 85.0482 99 0.26 41
IV.MUCR.HHE. 2015-01-11T06:02:49.07 0.6 undecidable manual P 338 85.5477 99 -0.15 42
IV.HAVL.HHZ. 2015-01-11T06:02:49.07 0.6 undecidable manual S 194 42.2244 110 0.33 44
IV.MPNC.HHE. 2015-01-11T06:02:49.74 0.6 undecidable manual P 6 91.3419 98 -0.35 40
IV.MEU.SHZ. 2015-01-11T06:02:48.80 0.3 undecidable manual S 237 43.5231 109 -0.27 67
IV.HPAC.HHZ. 2015-01-11T06:02:46.92 0.3 undecidable manual P 195 71.0733 101 -0.1 66
IV.ECNV.HHZ. 2015-01-11T06:02:45.04 0.6 undecidable manual P 303 55.1004 104 0.42 42
IV.HMDC.HHZ. 2015-01-11T06:02:44.65 0.1 undecidable manual P 225 57.5979 104 -0.33 86
IV.HCRL.HHZ. 2015-01-11T06:02:43.43 0.1 undecidable manual S 255 19.0698 134 0.05 97
IV.HAVL.HHZ. 2015-01-11T06:02:42.78 0.1 undecidable manual P 194 42.2244 110 0.06 93
IV.EPOZ.HHZ. 2015-01-11T06:02:42.15 0.1 undecidable manual P 353 38.4282 112 -0.01 95
IV.MEU.SHZ. 2015-01-11T06:02:42.55 0.6 undecidable manual P 237 43.5231 109 -0.35 44
IV.AGST.EHZ. 2015-01-11T06:02:41.71 0.1 undecidable manual S 188 8.0808 157 0.01 100
IV.HAGA.HHZ. 2015-01-11T06:02:41.63 0.3 undecidable manual S 237 8.9799 155 -0.16 72
IV.HCRL.HHZ. 2015-01-11T06:02:39.64 0.1 undecidable manual P 255 19.0698 134 0.02 98
IV.AGST.EHZ. 2015-01-11T06:02:38.66 0.1 undecidable manual P 188 8.0808 157 0.01 100
IV.HAGA.HHZ. 2015-01-11T06:02:38.68 0.1 undecidable manual P 237 8.9799 155 -0.02 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.AGST.EHN. ML:1.9 0.0006039999999999999 0.84 AML other m 2015-01-11T06:02:42.25
IV.AGST.EHE. ML:1.9 0.0005805000000000001 0.1 AML other m 2015-01-11T06:02:41.88
IV.ECNV.HHE. ML:1.8 0.0001325 0.86 AML other m 2015-01-11T06:02:58.11
IV.ECNV.HHN. ML:1.9 0.0001605 1.58 AML other m 2015-01-11T06:03:34.85
IV.EPOZ.HHN. ML:2.0 0.00028149999999999996 0.74 AML other m 2015-01-11T06:02:48.96
IV.EPOZ.HHE. ML:2.0 0.0003 0.28 AML other m 2015-01-11T06:02:53.22
IV.HAGA.HHN. ML:2.4 0.00157 0.12 AML other m 2015-01-11T06:02:41.95
IV.HAGA.HHE. ML:2.0 0.0007654999999999999 0.42 AML other m 2015-01-11T06:02:42.20
IV.HCRL.HHE. ML:2.3 0.0011005000000000001 0.12 AML other m 2015-01-11T06:02:43.69
IV.HCRL.HHN. ML:2.5 0.00156 0.14 AML other m 2015-01-11T06:02:43.75
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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