Earthquake with magnitude of ML 2.0 on date 16-10-2015 and time 14:08:55 (UTC) in region Costa Siracusana (Siracusa)

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

  • 16-10-2015 14:08:55 (UTC)
  • 16-10-2015 16:08:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.2060, 15.6110 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 NE of Siracusa (122291 inhabitants)
57 Km SE of Catania (314555 inhabitants)
60 Km SE of Acireale (52622 inhabitants)
84 Km E of Ragusa (73313 inhabitants)
85 Km E of Modica (54633 inhabitants)
99 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 2015-10-16
14:08:55
37.2063 15.6108 31 2016-02-19
13:22:16
Bollettino Sismico Italiano INGV 22554791
Reviewed
Rev100
ML 2.0 2015-10-16
14:08:55
37.2143 15.6658 10 2015-10-16
14:18:13
Sala Sismica INGV-Roma 21840441
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2015-10-16 14:08:55 ± 0.25
Latitude 37.2063 ± 0.0063
Longitude 15.6108 ± 0.0113
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 22554791

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 958
Semi-minor axis of confidence ellipse (meter) 421
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 271
Circular confidence region, given by single value of horizontal uncertainty (meter) 960.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 314
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.62953
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 2
Type of magnitude ML
Reference to an origin 21840441
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2015-10-16 14:18:11

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 2
Type of magnitude ML
Reference to an origin 22554791
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-12-05 17:53:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FAGN.HHZ. 2015-10-16T14:10:19.21 3.0 negative manual Pg 3.9 0
IV.USI.HHZ. 2015-10-16T14:10:08.99 3.0 undecidable manual Sg 0.72 0
MN.CLTB.HHZ. 2015-10-16T14:09:50.99 3.0 undecidable manual Sn -2.31 0
IV.ERC.EHZ. 2015-10-16T14:09:34.03 3.0 undecidable manual Pn -1.12 0
IV.TDS.HHZ. 2015-10-16T14:09:30.58 3.0 undecidable manual Pg -6.17 0
IV.HLNI.HHZ. 2015-10-16T14:09:16.70 0.3 undecidable manual S 284 67.0773 110 0.26 69
IV.MEU.SHE. 2015-10-16T14:09:16.90 0.6 undecidable manual S 262 69.8745 109 -0.23 46
IV.HAVL.HHZ. 2015-10-16T14:09:12.60 0.3 undecidable manual S 238 51.2154 116 0.08 75
IV.SSY.HHZ. 2015-10-16T14:09:11.90 0.3 undecidable manual S 264 47.8188 118 0.18 73
IV.HAGA.HHZ. 2015-10-16T14:09:10.00 0.3 undecidable manual S 282 41.2254 122 -0.19 74
IV.MEU.SHE. 2015-10-16T14:09:07.69 0.3 undecidable manual P 262 69.8745 109 -0.13 71
IV.HLNI.HHZ. 2015-10-16T14:09:07.41 1.0 negative manual P 284 67.0773 110 -0.01 24
IV.HPAC.HHZ. 2015-10-16T14:09:06.57 3.0 undecidable manual P 2.2 0
IV.HAVL.HHZ. 2015-10-16T14:09:05.10 0.1 positive manual P 238 51.2154 116 -0.07 99
IV.SSY.HHZ. 2015-10-16T14:09:04.86 0.1 undecidable manual P 264 47.8188 118 0.16 98
IV.HAGA.HHZ. 2015-10-16T14:09:03.68 0.1 undecidable manual P 282 41.2254 122 -0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HAVL.HHE. ML:2.0 0.000226 1.58 AML other m 2015-10-16T14:09:17.21
IV.HAVL.HHN. ML:2.0 0.00023549999999999998 1.56 AML other m 2015-10-16T14:09:24.29
IV.HLNI.HHE. ML:1.8 0.000111 1.04 AML other m 2015-10-16T14:09:17.16
IV.HLNI.HHN. ML:2.2 0.00027699999999999996 0.26 AML other m 2015-10-16T14:09:16.94
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