Earthquake with magnitude of Md 1.9 on date 16-03-2015 and time 07:01:24 (Italy) in region 5 km NW Acate (RG)

A magnitude Md 1.9 earthquake occured in region: 5 km NW Acate (RG), on

  • 16-03-2015 06:01:24 (UTC)
  • 16-03-2015 07:01:24 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.0660, 14.4770 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
Acate RG 5 10954 10954
Mazzarrone CT 8 4078 15032
Niscemi CL 12 27558 42590
Vittoria RG 14 63339 105929
Comiso RG 18 30156 136085
Caltagirone CT 20 38686 174771

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km NW of Vittoria (63339 inhabitants)
20 Km E of Gela (75827 inhabitants)
27 Km NW of Ragusa (73313 inhabitants)
34 Km NW of Modica (54633 inhabitants)
60 Km SE of Caltanissetta (63360 inhabitants)
73 Km W of Siracusa (122291 inhabitants)
73 Km SW of Catania (314555 inhabitants)
84 Km E of Agrigento (59770 inhabitants)
86 Km SW of Acireale (52622 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 1.9 2015-03-16
06:01:24
37.0662 14.4772 30 2015-10-19
09:27:47
Bollettino Sismico Italiano INGV 20406921
Reviewed
Rev100
Md 1.9 2015-03-16
06:01:24
37.065 14.4648 29 2015-03-16
07:05:25
Sala Sismica INGV-Roma 17809541
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2015-03-16 06:01:24 ± 0.33
Latitude 37.0662 ± 0.0126
Longitude 14.4772 ± 0.0135
Depth (km) 30 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 20406921

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1405
Semi-minor axis of confidence ellipse (meter) 411
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 216
Circular confidence region, given by single value of horizontal uncertainty (meter) 1400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 155
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.18076
Epicentral distance of station farthest from the epicenter (degree) 0.57287
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

Md:1.9

Field Value
Value 1.9
Uncertainty 0.1
Num. used stations 2
Type of magnitude Md
Reference to an origin 20406921
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-07-21 01:28:10

Md:1.9

Field Value
Value 1.9
Uncertainty 0.1
Num. used stations 2
Type of magnitude Md
Reference to an origin 17809541
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2015-03-16 07:05:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HPAC.HHE. 2015-03-16T06:01:45.79 0.6 undecidable manual S 128 63.5919 110 0.82 40
IV.SSY.HHZ. 2015-03-16T06:01:43.33 0.3 undecidable manual S 79 53.7018 114 0.8 62
IV.HAVL.HHZ. 2015-03-16T06:01:43.43 0.6 undecidable manual S 101 58.2972 112 -0.23 48
IV.HLNI.HHZ. 2015-03-16T06:01:40.80 0.3 undecidable manual S 48 46.9197 117 -0.07 76
IV.HMDC.HHE. 2015-03-16T06:01:36.40 0.6 undecidable manual S 114 29.5482 131 -0.62 46
IV.HPAC.HHE. 2015-03-16T06:01:36.58 0.3 undecidable manual P 128 63.5919 110 0.19 73
IV.RAFF.HHE. 2015-03-16T06:01:35.35 0.3 undecidable manual S 330 20.0688 143 0.08 80
IV.SSY.HHZ. 2015-03-16T06:01:35.19 0.1 undecidable manual P 79 53.7018 114 0.21 99
IV.HAVL.HHZ. 2015-03-16T06:01:35.84 0.6 undecidable manual P 101 58.2972 112 0.21 49
IV.CLTA.HHE. 2015-03-16T06:01:34.36 0.3 undecidable manual P 283 46.7199 117 0.36 72
IV.HLNI.HHZ. 2015-03-16T06:01:33.81 0.1 undecidable manual P 48 46.9197 117 -0.21 99
IV.HMDC.HHE. 2015-03-16T06:01:31.23 0.1 undecidable manual P 114 29.5482 131 -0.57 94
IV.RAFF.HHE. 2015-03-16T06:01:30.37 0.1 undecidable manual P 330 20.0688 143 -0.42 100
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