Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 26-09-2008 and time 18:09:04 (Italy) in region 11 km S Motta Sant'Anastasia (CT)

A magnitude ML 1.9 earthquake occured in region: 11 km S Motta Sant'Anastasia (CT), on

  • 26-09-2008 16:09:04 (UTC)
  • 26-09-2008 18:09:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.4190, 14.9870 at 1 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Motta Sant'Anastasia CT 11 12116 12116
Misterbianco CT 12 49410 61526
Catania CT 13 314555 376081
Lentini SR 15 24085 400166
Carlentini SR 16 17798 417964
Camporotondo Etneo CT 17 5023 422987
Gravina di Catania CT 17 25838 448825
San Pietro Clarenza CT 18 7743 456568
Sant'Agata li Battiati CT 18 9479 466047
Mascalucia CT 18 31958 498005
Scordia CT 18 17095 515100
Tremestieri Etneo CT 19 20589 535689
Paternò CT 19 48228 583917
Belpasso CT 19 28108 612025
San Gregorio di Catania CT 20 11966 623991

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km SW of Catania (314555 inhabitants)
27 Km SW of Acireale (52622 inhabitants)
48 Km NW of Siracusa (122291 inhabitants)
59 Km NE of Ragusa (73313 inhabitants)
65 Km N of Modica (54633 inhabitants)
66 Km NE of Vittoria (63339 inhabitants)
76 Km NE of Gela (75827 inhabitants)
82 Km E of Caltanissetta (63360 inhabitants)
96 Km SW of Reggio di Calabria (183035 inhabitants)
100 Km SW of Messina (238439 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 2.0
ML 1.9 		2008-09-26
16:09:04		 37.419 14.987 1 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 719299
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2008-09-26 16:09:04 ± 0.73
Latitude 37.4190 ± 0.0279
Longitude 14.9870 ± 0.0204
Depth (km) 1 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 719299

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3419
Semi-minor axis of confidence ellipse (meter) 1947
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 360
Circular confidence region, given by single value of horizontal uncertainty (meter) 3584.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 273
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.72
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.32376
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 719299
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 13:36:46

Md:2.0

Field Value
Value 2.0
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 719299
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 13:36:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HVZN.BHE. 2008-09-26T16:09:17.33 0.6 undecidable manual Sg 222 35.9418 -0.124 48
IV.ZCCA.HHN. 2008-09-26T16:09:16.02 10.0 undecidable manual Pg 0 0 0
IV.SSY.BHZ. 2008-09-26T16:09:16.08 0.6 undecidable manual Sg 165 29.9478 0.684 42
IV.HVZN.BHE. 2008-09-26T16:09:13.17 0.6 undecidable manual Pg 222 35.9418 0.987 36
I1.HAGA.BHE. 2008-09-26T16:09:12.71 0.6 undecidable manual Sg 135 20.9679 0.443 46
IV.SSY.BHZ. 2008-09-26T16:09:10.47 0.1 undecidable manual Pg 165 29.9478 -0.528 89
IV.HCRL.BHZ. 2008-09-26T16:09:10.14 0.3 undecidable manual Sg 165 15.5733 -0.268 73
I1.HAGA.BHE. 2008-09-26T16:09:09.26 0.1 undecidable manual Pg 135 20.9679 0.07 100
IV.HCRL.BHZ. 2008-09-26T16:09:07.92 0.1 positive manual Pg 165 15.5733 -0.196 98
IV.CDCA.EHE. 2008-09-26T16:08:49.47 10.0 undecidable manual Pg 0 0 0
IV.RSM.HHZ. 2008-09-26T16:08:44.52 10.0 undecidable manual Pg 0 0 0
IV.FAEN.HHZ. 2008-09-26T16:08:40.77 10.0 undecidable manual Pg 0 0 0
IV.PRMA.HHN. 2008-09-26T16:08:25.30 10.0 undecidable manual Pg 0 0 0
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