Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 16-08-2008 and time 19:40:38 (Italy) in region 2 km N Pedara (CT)

A magnitude ML 2.1 earthquake occured in region: 2 km N Pedara (CT), on

  • 16-08-2008 17:40:38 (UTC)
  • 16-08-2008 19:40:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.6340, 15.0650 at 0 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
Pedara CT 2 14102 14102
Trecastagni CT 2 10910 25012
Viagrande CT 4 8563 33575
Nicolosi CT 4 7463 41038
Aci Bonaccorsi CT 6 3524 44562
Aci Sant'Antonio CT 6 17984 62546
Tremestieri Etneo CT 6 20589 83135
San Giovanni la Punta CT 7 23060 106195
Mascalucia CT 7 31958 138153
San Pietro Clarenza CT 8 7743 145896
Aci Catena CT 8 29851 175747
Zafferana Etnea CT 8 9517 185264
Gravina di Catania CT 8 25838 211102
Valverde CT 8 7840 218942
Sant'Agata li Battiati CT 8 9479 228421
San Gregorio di Catania CT 9 11966 240387
Camporotondo Etneo CT 9 5023 245410
Santa Venerina CT 9 8592 254002
Belpasso CT 9 28108 282110
Acireale CT 9 52622 334732
Milo CT 11 1087 335819
Ragalna CT 11 3924 339743
Aci Castello CT 11 18723 358466
Misterbianco CT 14 49410 407876
Sant'Alfio CT 14 1582 409458
Catania CT 15 314555 724013
Giarre CT 15 27659 751672
Paternò CT 16 48228 799900
Santa Maria di Licodia CT 16 7641 807541
Motta Sant'Anastasia CT 16 12116 819657
Riposto CT 17 14838 834495
Biancavilla CT 17 24007 858502
Mascali CT 18 14282 872784

Municipalities with at least 50000 inhabitants

An earthquake occurred to
9 Km W of Acireale (52622 inhabitants)
15 Km N of Catania (314555 inhabitants)
67 Km N of Siracusa (122291 inhabitants)
73 Km SW of Reggio di Calabria (183035 inhabitants)
76 Km SW of Messina (238439 inhabitants)
84 Km NE of Ragusa (73313 inhabitants)
89 Km NE of Vittoria (63339 inhabitants)
90 Km E of Caltanissetta (63360 inhabitants)
90 Km N of Modica (54633 inhabitants)
96 Km NE of Gela (75827 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 2.1 		2008-08-16
17:40:38		 37.634 15.065 0 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 711029
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2008-08-16 17:40:38 ± 0.21
Latitude 37.6340 ± 0.0081
Longitude 15.0650 ± 0.0114
Depth (km) 0 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 711029

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1105
Semi-minor axis of confidence ellipse (meter) 1000
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 101
Circular confidence region, given by single value of horizontal uncertainty (meter) 1345.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 153
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.55
Epicentral distance of station closest to the epicenter (degree) 0.09353
Epicentral distance of station farthest from the epicenter (degree) 0.47574
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 711029
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 13:27:40

Md:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 711029
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 13:27:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSY.BHN. 2008-08-16T17:40:57.05 0.1 undecidable manual Sg 179 52.8027 -0.023 97
IV.GALF.HHZ. 2008-08-16T17:40:54.74 0.1 undecidable manual Sg 281 44.622 0.503 89
IV.MMME.BHE. 2008-08-16T17:40:52.18 0.1 undecidable manual Sg 26 37.3293 0.472 91
IV.ECNV.BHN. 2008-08-16T17:40:49.69 0.1 undecidable manual Sg 262 31.2465 0.084 100
IV.SSY.BHN. 2008-08-16T17:40:49.01 0.1 undecidable manual Pg 179 52.8027 -0.32 92
IV.GALF.HHZ. 2008-08-16T17:40:47.63 0.1 undecidable manual Pg 281 44.622 -0.063 98
IV.MMME.BHE. 2008-08-16T17:40:46.14 0.1 undecidable manual Pg 26 37.3293 -0.093 99
IV.ECNV.BHN. 2008-08-16T17:40:45.73 0.1 undecidable manual Pg 262 31.2465 0.71 84
IV.ESLN.BHZ. 2008-08-16T17:40:41.73 0.1 undecidable manual Sg 310 10.3785 -0.625 90
IV.ESLN.BHZ. 2008-08-16T17:40:40.28 0.1 negative manual Pg 310 10.3785 -0.552 93
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