Earthquake with magnitude of ML 2.0 on date 31-01-2018 and time 00:12:08 (Italy) in region Costa Siracusana (Siracusa)

A magnitude ML 2.0 earthquake occured in region: Costa Siracusana (Siracusa), on

  • 30-01-2018 23:12:08 (UTC)
  • 31-01-2018 00:12:08 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 36.9870, 15.6440 at 31 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km E of Siracusa (122291 inhabitants)
76 Km SE of Catania (314555 inhabitants)
80 Km E of Modica (54633 inhabitants)
81 Km E of Ragusa (73313 inhabitants)
81 Km SE of Acireale (52622 inhabitants)
98 Km E 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
ML 2.0 2018-01-30
23:12:08
36.9867 15.6437 31 2019-04-24
14:49:33
Bollettino Sismico Italiano INGV 56999271
Reviewed
Rev100
ML 2.2 2018-01-30
23:12:08
36.9853 15.6397 33 2018-01-30
23:21:25
Sala Sismica INGV-Roma 53564611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-01-30 23:12:08 ± 0.08
Latitude 36.9867 ± 0.0054
Longitude 15.6437 ± 0.0068
Depth (km) 31 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 56999271

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 703
Semi-minor axis of confidence ellipse (meter) 470
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 229
Circular confidence region, given by single value of horizontal uncertainty (meter) 700.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 201
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.42808
Epicentral distance of station farthest from the epicenter (degree) 1.45960
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 53564611
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-01-30 23:21:25

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 56999271
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-07-08 00:10:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.WDD.HHE. 2018-01-30T23:12:33.74 0.6 undecidable manual P 218 162.0156 54 0.28 36
IV.HLNI.HHZ. 2018-01-30T23:12:32.91 0.3 undecidable manual S 301 79.1652 107 0.04 71
IV.HMDC.HHZ. 2018-01-30T23:12:32.23 0.3 undecidable manual S 268 76.368 107 0.08 71
MN.CEL.HNZ. 2018-01-30T23:12:30.83 0.3 undecidable manual P 9 142.9458 54 -0.27 59
IV.MSRU.HHE. 2018-01-30T23:12:30.77 1.0 undecidable manual P 355 142.1466 54 -0.23 20
IV.MPNC.HHN. 2018-01-30T23:12:30.33 1.0 undecidable manual P 349 131.1687 54 0.7 18
IV.HPAC.HHZ. 2018-01-30T23:12:28.35 0.6 undecidable manual S 240 62.0934 112 -0.2 47
IV.SOI.EHZ. 2018-01-30T23:12:28.91 0.6 undecidable manual P 17 125.874 54 -0.06 43
IV.AIO.HHN. 2018-01-30T23:12:27.63 0.6 undecidable manual P 342 114.996 54 0.01 44
IV.SSY.HHZ. 2018-01-30T23:12:26.55 0.1 undecidable manual S 291 53.9016 115 0 98
IV.HAGA.HHZ. 2018-01-30T23:12:26.82 0.3 undecidable manual S 308 54.4011 115 0.14 73
IV.ESML.HHE. 2018-01-30T23:12:25.30 0.1 undecidable manual P 316 97.2249 103 0.03 91
IV.AGST.EHZ. 2018-01-30T23:12:24.84 0.1 undecidable manual S 309 47.5191 118 -0.17 96
IV.EPOZ.HHZ. 2018-01-30T23:12:23.82 0.1 undecidable manual P 332 85.9473 105 0.24 90
IV.HVZN.HHE. 2018-01-30T23:12:23.62 0.1 undecidable manual P 285 84.8484 105 0.2 90
IV.HLNI.HHZ. 2018-01-30T23:12:22.30 0.3 undecidable manual P 301 79.1652 107 -0.27 67
IV.HMDC.HHZ. 2018-01-30T23:12:21.96 0.1 undecidable manual P 268 76.368 107 -0.19 91
IV.HPAC.HHZ. 2018-01-30T23:12:19.92 0.1 undecidable manual P 240 62.0934 112 -0.15 95
IV.AGST.EHZ. 2018-01-30T23:12:18.04 0.1 negative manual P 309 47.5191 118 0 100
IV.SSY.HHZ. 2018-01-30T23:12:18.99 0.1 undecidable manual P 291 53.9016 115 0.07 98
IV.HAGA.HHZ. 2018-01-30T23:12:18.99 0.1 undecidable manual P 308 54.4011 115 0 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.AGST.EHN. ML:1.9 0.0001746949 0.192 AML other m 2018-01-30T23:12:25.25
IV.AGST.EHE. ML:2.0 0.00021593564999999998 1.9584 AML other m 2018-01-30T23:12:26.66
IV.HAGA.HHE. ML:1.9 0.0001474087 0.2176 AML other m 2018-01-30T23:12:27.05
IV.HAGA.HHN. ML:1.8 0.00013376046999999999 0.1408 AML other m 2018-01-30T23:12:27.60
IV.HPAC.HHE. ML:1.9 0.000137152895 0.1408 AML other m 2018-01-30T23:12:29.13
IV.HPAC.HHN. ML:1.9 0.0001350806 0.1408 AML other m 2018-01-30T23:12:29.12
IV.HMDC.HHE. ML:2.3 0.00027983004999999997 0.2688 AML other m 2018-01-30T23:12:32.79
IV.HMDC.HHN. ML:2.5 0.0004225605 0.3072 AML other m 2018-01-30T23:12:32.89
IV.HLNI.HHN. ML:1.9 0.00009766817499999999 0.7808 AML other m 2018-01-30T23:12:33.58
IV.HLNI.HHE. ML:2.0 0.00011349962499999999 0.0896 AML other m 2018-01-30T23:12:33.89
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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