Earthquake with magnitude of ML 2.4 on date 20-03-2007 and time 15:54:14 (UTC) in region 5 km NE Sortino (SR)

A magnitude ML 2.4 earthquake occured in region: 5 km NE Sortino (SR), on

  • 20-03-2007 15:54:14 (UTC)
  • 20-03-2007 16:54:14 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.2030, 15.0610 at 16 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
Sortino SR 5 8690 8690
Melilli SR 6 13621 22311
Carlentini SR 9 17798 40109
Lentini SR 11 24085 64194
Priolo Gargallo SR 12 12091 76285
Solarino SR 12 8091 84376
Ferla SR 14 2523 86899
Augusta SR 14 36305 123204
Cassaro SR 15 821 124025
Floridia SR 16 22762 146787
Francofonte SR 16 12800 159587
Canicattini Bagni SR 19 7109 166696

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km NW of Siracusa (122291 inhabitants)
34 Km S of Catania (314555 inhabitants)
43 Km NE of Ragusa (73313 inhabitants)
47 Km NE of Modica (54633 inhabitants)
47 Km S of Acireale (52622 inhabitants)
54 Km NE of Vittoria (63339 inhabitants)
73 Km E of Gela (75827 inhabitants)
94 Km E of Caltanissetta (63360 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
ML 2.4
2007-03-20
15:54:14
37.203 15.061 16 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 619959
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2007-03-20 15:54:14 ± 0.5
Latitude 37.2030 ± 0.0216
Longitude 15.0610 ± 0.0440
Depth (km) 16 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 619959

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 4374
Semi-minor axis of confidence ellipse (meter) 1999
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 17
Circular confidence region, given by single value of horizontal uncertainty (meter) 4579.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 259
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.04676
Epicentral distance of station farthest from the epicenter (degree) 0.24821
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 619959
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:48:55

Md:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 619959
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:48:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HAVL.BHE. 2007-03-20T15:54:24.74 0.1 undecidable manual Sg 169 27.5502 0.281 46
IV.AGST.SHZ. 2007-03-20T15:54:21.45 0.1 undecidable manual Sg 68 15.873 -0.176 48
IV.HAVL.BHE. 2007-03-20T15:54:19.98 0.1 undecidable manual Pg 169 27.5502 -0.239 93
IV.SSY.BHZ. 2007-03-20T15:54:19.66 0.6 undecidable manual Sg 167 5.1948 -0.177 24
IV.AGST.SHZ. 2007-03-20T15:54:18.74 0.1 undecidable manual Pg 68 15.873 0.154 97
IV.SSY.BHZ. 2007-03-20T15:54:17.63 0.1 undecidable manual Pg 167 5.1948 0.077 100
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