Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 23-10-2010 and time 17:13:50 (UTC) in region 2 km N San Teodoro (ME)

A magnitude ML 2.0 earthquake occured in region: 2 km N San Teodoro (ME), on

  • 23-10-2010 17:13:50 (UTC)
  • 23-10-2010 19:13:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.8650, 14.6960 at 4 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
San Teodoro ME 2 1403 1403
Cesarò ME 3 2439 3842
Maniace CT 10 3765 7607
Troina EN 12 9373 16980
Bronte CT 15 19172 36152
Maletto CT 16 3920 40072
Alcara li Fusi ME 18 1980 42052
Cerami EN 18 2006 44058
San Fratello ME 19 3707 47765
Longi ME 19 1473 49238
Capizzi ME 19 3176 52414
Galati Mamertino ME 20 2627 55041

Municipalities with at least 50000 inhabitants

An earthquake occurred to
50 Km NW of Acireale (52622 inhabitants)
53 Km NW of Catania (314555 inhabitants)
69 Km NE of Caltanissetta (63360 inhabitants)
84 Km W of Messina (238439 inhabitants)
88 Km W of Reggio di Calabria (183035 inhabitants)
97 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 2.2
ML 2.0 		2010-10-23
17:13:50		 37.865 14.696 4 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 1135029
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2010-10-23 17:13:50 ± 0.28
Latitude 37.8650 ± 0.0144
Longitude 14.6960 ± 0.0194
Depth (km) 4 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1135029

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1853
Semi-minor axis of confidence ellipse (meter) 904
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 48
Circular confidence region, given by single value of horizontal uncertainty (meter) 2334.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 89
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.76
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.76802
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 1135029
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 22:02:19

Md:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 1135029
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 22:02:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSY.HHZ. 2010-10-23T17:14:18.82 0.6 undecidable manual Sg 157 85.248 1.248 32
IV.HVZN.HHZ. 2010-10-23T17:14:15.65 0.6 undecidable manual Sg 179 76.1682 0.481 45
IV.HLNI.HHZ. 2010-10-23T17:14:11.28 0.6 undecidable manual Sg 165 59.3961 0.612 44
IV.PII.SHZ. 2010-10-23T17:14:11.11 10.0 undecidable manual Pg 0 0 0
IV.PLLN.SHZ. 2010-10-23T17:14:08.71 0.6 undecidable manual Sg 286 50.4162 0.426 47
IV.SSY.HHZ. 2010-10-23T17:14:05.97 0.3 undecidable manual Pg 157 85.248 -0.281 68
IV.IFIL.EHZ. 2010-10-23T17:14:04.99 0.3 undecidable manual Pg 352 78.2661 -0.191 70
IV.RESU.HHE. 2010-10-23T17:14:04.48 10.0 undecidable manual Pg 0 0 0
IV.HVZN.HHZ. 2010-10-23T17:14:03.91 0.3 undecidable manual Pg 179 76.1682 -0.951 55
IV.PLLN.SHZ. 2010-10-23T17:14:01.31 0.3 undecidable manual Pg 286 50.4162 0.421 71
IV.HLNI.HHZ. 2010-10-23T17:14:01.51 0.1 undecidable manual Pg 165 59.3961 -0.752 82
IV.MMME.HHZ. 2010-10-23T17:14:01.00 0.3 undecidable manual Pg 81 49.4172 0.283 73
IV.NOV.HHZ. 2010-10-23T17:14:01.82 0.3 undecidable manual Pg 0 0 0
IV.ORI.HHZ. 2010-10-23T17:13:58.15 10.0 undecidable manual Pg 0 0 0
IV.ECNV.HHZ. 2010-10-23T17:13:57.13 0.1 undecidable manual Pg 177 29.9478 0.301 100
IV.CAGR.HHZ. 2010-10-23T17:13:56.67 0.3 undecidable manual Pg 213 31.9458 -0.567 71
IV.LNSS.HHN. 2010-10-23T17:13:54.34 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
Waveforms Seismic signals in miniseed + resp format Download