Earthquake with magnitude of ML 2.2 on date 02-05-2015 and time 01:57:34 (Italy) in region Costa Ragusana (Ragusa)

A magnitude ML 2.2 earthquake occured in region: Costa Ragusana (Ragusa), on

  • 01-05-2015 23:57:34 (UTC)
  • 02-05-2015 01:57:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 36.7150, 14.5650 at 30 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
Santa Croce Camerina RG 13 10823 10823
Scicli RG 15 27077 37900

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km SW of Modica (54633 inhabitants)
26 Km S of Vittoria (63339 inhabitants)
28 Km SW of Ragusa (73313 inhabitants)
48 Km SE of Gela (75827 inhabitants)
75 Km SW of Siracusa (122291 inhabitants)
97 Km SE of Caltanissetta (63360 inhabitants)
99 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
ML 2.2 2015-05-01
23:57:34
36.7148 14.5653 30 2016-01-08
08:44:50
Bollettino Sismico Italiano INGV 20046071
Reviewed
Rev100
ML 2.1 2015-05-01
23:57:34
36.71 14.5673 29 2015-05-02
00:14:49
Sala Sismica INGV-Roma 18819181
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2015-05-01 23:57:34 ± 0.33
Latitude 36.7148 ± 0.0162
Longitude 14.5653 ± 0.0168
Depth (km) 30 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 20046071

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1604
Semi-minor axis of confidence ellipse (meter) 969
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 327
Circular confidence region, given by single value of horizontal uncertainty (meter) 1600.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 222
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.47
Epicentral distance of station closest to the epicenter (degree) 0.37772
Epicentral distance of station farthest from the epicenter (degree) 0.99555
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 20046071
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-07-02 10:01:33

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 18819181
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2015-05-02 00:14:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.AGST.EHZ. 2015-05-01T23:58:00.08 0.3 undecidable manual S 44 83.9493 105 0.27 74
IV.HAGA.HHZ. 2015-05-01T23:57:59.75 0.6 undecidable manual S 39 82.0512 105 0.44 48
IV.HLNI.HHZ. 2015-05-01T23:57:57.58 0.3 undecidable manual S 21 75.369 106 -0.02 79
IV.CLTA.HHE. 2015-05-01T23:57:57.29 0.3 undecidable manual S 313 72.6717 107 0.38 72
IV.SSY.HHZ. 2015-05-01T23:57:55.60 0.3 undecidable manual S 42 66.6777 109 0.21 77
IV.HAVL.HHZ. 2015-05-01T23:57:53.26 0.3 undecidable manual S 61 56.3991 112 0.44 75
IV.GALF.HHZ. 2015-05-01T23:57:53.36 0.1 undecidable manual P 0 110.5005 54 0.37 90
IV.RAFF.HHZ. 2015-05-01T23:57:53.37 0.3 undecidable manual S 342 59.0964 111 -0.13 81
IV.MEU.SHE. 2015-05-01T23:57:51.00 0.3 undecidable manual S 28 49.8168 115 -0.22 80
IV.HPAC.HHZ. 2015-05-01T23:57:50.14 0.3 undecidable manual S 91 41.9247 120 0.79 70
IV.AGST.EHZ. 2015-05-01T23:57:49.92 0.1 undecidable manual P 44 83.9493 105 0.89 80
IV.HAGA.HHZ. 2015-05-01T23:57:48.65 1.0 undecidable manual P 39 82.0512 105 -0.1 26
IV.HLNI.HHZ. 2015-05-01T23:57:47.22 0.1 undecidable manual P 21 75.369 106 -0.54 94
IV.CLTA.HHE. 2015-05-01T23:57:47.89 0.1 undecidable manual P 313 72.6717 107 0.54 93
IV.SSY.HHZ. 2015-05-01T23:57:46.13 0.3 positive manual P 42 66.6777 109 -0.34 75
IV.RAFF.HHZ. 2015-05-01T23:57:44.85 0.1 undecidable manual P 342 59.0964 111 -0.53 98
IV.HAVL.HHZ. 2015-05-01T23:57:44.06 0.1 undecidable manual P 61 56.3991 112 -0.93 81
IV.MEU.SHE. 2015-05-01T23:57:43.26 0.3 undecidable manual P 28 49.8168 115 -0.81 66
IV.HPAC.HHZ. 2015-05-01T23:57:42.52 0.1 undecidable manual P 91 41.9247 120 -0.47 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HAGA.HHN. ML:2.0 0.000117 0.34 AML other m 2015-05-01T23:58:01.20
IV.HAGA.HHE. ML:1.9 0.0001046 0.24 AML other m 2015-05-01T23:58:01.44
IV.HAVL.HHN. ML:2.2 0.0003115 1.26 AML other m 2015-05-01T23:58:01.46
IV.HAVL.HHE. ML:2.1 0.0002205 0.32 AML other m 2015-05-01T23:58:03.40
IV.HLNI.HHN. ML:2.1 0.000192 0.62 AML other m 2015-05-01T23:57:58.85
IV.HLNI.HHE. ML:2.4 0.000372 0.16 AML other m 2015-05-01T23:58:01.42
IV.HPAC.HHN. ML:2.3 0.0005589999999999999 0.44 AML other m 2015-05-01T23:57:56.09
IV.HPAC.HHE. ML:2.2 0.00042100000000000004 0.5 AML other m 2015-05-01T23:57:57.00
IV.RAFF.HHE. ML:1.3 0.000040050000000000004 1.58 AML other m 2015-05-01T23:58:00.70
IV.RAFF.HHN. ML:1.3 0.0000393 1.48 AML other m 2015-05-01T23:57:58.15
IV.SSY.HHN. ML:2.7 0.0007755 0.18 AML other m 2015-05-01T23:57:57.76
IV.SSY.HHE. ML:2.5 0.000455 0.8 AML other m 2015-05-01T23:57:55.78
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
Waveforms Seismic signals in miniseed + resp format Download