Earthquake with magnitude of Md 2.1 on date 26-07-2016 and time 21:00:13 (Italy) in region Costa Siracusana (Siracusa)

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

  • 26-07-2016 19:00:13 (UTC)
  • 26-07-2016 21:00:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 36.6020, 15.2610 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
Portopalo di Capo Passero SR 15 3887 3887
Pachino SR 20 22205 26092

Municipalities with at least 50000 inhabitants

An earthquake occurred to
51 Km S of Siracusa (122291 inhabitants)
53 Km SE of Modica (54633 inhabitants)
59 Km SE of Ragusa (73313 inhabitants)
75 Km SE of Vittoria (63339 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 2.1 2016-07-26
19:00:13
36.6017 15.2612 26 2016-11-08
11:51:04
Bollettino Sismico Italiano INGV 26923471
Reviewed
Rev100
Md 2.1 2016-07-26
19:00:13
36.5508 15.2257 10 2016-07-26
19:11:43
Sala Sismica INGV-Roma 26583611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-07-26 19:00:13 ± 0.21
Latitude 36.6017 ± 0.0108
Longitude 15.2612 ± 0.0146
Depth (km) 26 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 26923471

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1276
Semi-minor axis of confidence ellipse (meter) 975
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 75
Circular confidence region, given by single value of horizontal uncertainty (meter) 1280.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 305
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 3.60628
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 10
Magnitudes information

Md:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 3
Type of magnitude Md
Reference to an origin 26583611
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-07-26 19:11:43

Md:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 3
Type of magnitude Md
Reference to an origin 26923471
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2016-10-14 13:28:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PETRA.HHZ. 2016-07-26T19:01:04.99 3.0 undecidable manual Sn -2.93 0
IV.SERS.HHZ. 2016-07-26T19:00:56.99 3.0 undecidable manual Sn -7.8 0
GU.BURY.HHZ. 2016-07-26T19:00:35.99 3.0 undecidable manual Sn 400.2993 3.78 0
IV.RAFF.HHZ. 2016-07-26T19:00:44.72 0.6 undecidable manual S 311 105.3168 99 0.47 42
IV.FAVR.HHN. 2016-07-26T19:00:39.19 0.6 undecidable manual P 298 159.4182 54 0.78 32
IV.HLNI.HHZ. 2016-07-26T19:00:39.87 0.3 undecidable manual S 338 89.7435 101 -0.28 63
IV.HVZN.HHE. 2016-07-26T19:00:38.15 0.3 undecidable manual S 323 80.2641 103 0.49 65
IV.HAGA.HHZ. 2016-07-26T19:00:36.72 0.6 undecidable manual S 353 76.368 103 0.05 47
IV.CLTA.HHZ. 2016-07-26T19:00:34.78 0.3 undecidable manual P 299 130.7691 54 -0.06 62
IV.MEU.SHZ. 2016-07-26T19:00:34.20 0.6 undecidable manual S 326 68.2761 105 -0.36 43
IV.RAFF.HHZ. 2016-07-26T19:00:31.18 0.1 undecidable manual P 311 105.3168 99 0 89
IV.HMDC.HHZ. 2016-07-26T19:00:31.77 0.6 undecidable manual S 313 58.0974 108 -0.19 46
MN.WDD.HHE. 2016-07-26T19:00:30.50 3.0 undecidable manual P -0.6 0
IV.HLNI.HHZ. 2016-07-26T19:00:28.61 0.1 undecidable manual P 338 89.7435 101 -0.21 88
IV.HAVL.HHZ. 2016-07-26T19:00:28.32 0.6 undecidable manual S 343 41.625 116 0.44 47
IV.HVZN.HHE. 2016-07-26T19:00:27.10 0.1 negative manual P 323 80.2641 103 -0.28 88
IV.HAGA.HHZ. 2016-07-26T19:00:26.97 0.1 positive manual P 353 76.368 103 0.16 92
IV.MEU.SHZ. 2016-07-26T19:00:25.44 0.1 negative manual P 326 68.2761 105 -0.15 93
IV.HMDC.HHZ. 2016-07-26T19:00:23.87 0.1 negative manual P 313 58.0974 108 -0.23 94
IV.HPAC.HHE. 2016-07-26T19:00:23.57 0.6 undecidable manual S 301 23.1546 134 -0.26 51
IV.HAVL.HHZ. 2016-07-26T19:00:22.10 0.1 negative manual P 343 41.625 116 0.37 93
AC.VLO.HHZ. 2016-07-26T19:00:20.57 3.0 undecidable manual Pn -0.17 0
IV.HPAC.HHE. 2016-07-26T19:00:19.50 0.1 negative manual P 301 23.1546 134 0.11 100
IV.EUCT.HNZ. 2016-07-26T19:00:18.99 3.0 undecidable manual Sn -7.48 0
GU.CANO.HHZ. 2016-07-26T18:59:55.56 3.0 positive manual Pg 10.18 0
IV.BRES.EHZ. 2016-07-26T18:59:51.64 3.0 positive manual Pn -3.62 0
IV.VOBA.HNZ. 2016-07-26T18:59:48.97 3.0 undecidable manual Pg 4.87 0
IV.CMPR.HHZ. 2016-07-26T18:59:48.33 3.0 undecidable manual Pn 2.92 0
GU.GRAM.HHZ. 2016-07-26T18:59:37.15 3.0 undecidable manual Pg 4.09 0
IV.SBPO.HNZ. 2016-07-26T18:59:35.35 3.0 negative manual Pn 0.31 0
GU.MAIM.HHZ. 2016-07-26T18:59:22.97 3.0 undecidable manual Pn -1.51 0
IV.LATB.EHZ. 2016-07-26T18:59:16.12 3.0 negative manual Pn -2.03 0
IV.PP3.EHZ. 2016-07-26T18:59:15.95 3.0 positive manual P -0.64 0
IV.CSNT.HHZ. 2016-07-26T18:59:11.69 3.0 positive manual P -2.88 0
IV.NARO.HHZ. 2016-07-26T18:59:11.96 3.0 undecidable manual P -1.09 0
IV.TOLF.HHZ. 2016-07-26T18:59:08.17 3.0 undecidable manual P -1.08 0
IV.SRES.HHZ. 2016-07-26T18:59:07.47 3.0 undecidable manual P 0.51 0
IV.ARRO.EHZ. 2016-07-26T18:59:05.06 3.0 positive manual P -0.13 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
Waveforms Seismic signals in miniseed + resp format Download