Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 21-08-2014 and time 16:08:41 (Italy) in region 2 km S Ucria (ME)

A magnitude ML 1.2 earthquake occured in region: 2 km S Ucria (ME), on

  • 21-08-2014 14:08:41 (UTC)
  • 21-08-2014 16:08:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.0260, 14.8860 at 10 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
Ucria ME 2 1058 1058
Raccuja ME 4 1041 2099
Floresta ME 5 485 2584
Tortorici ME 5 6435 9019
Sinagra ME 7 2705 11724
San Piero Patti ME 8 2915 14639
Castell'Umberto ME 10 3128 17767
Sant'Angelo di Brolo ME 10 3090 20857
Galati Mamertino ME 10 2627 23484
Librizzi ME 10 1660 25144
San Salvatore di Fitalia ME 11 1319 26463
Ficarra ME 11 1469 27932
Montalbano Elicona ME 11 2287 30219
Longi ME 12 1473 31692
Montagnareale ME 13 1615 33307
Mirto ME 13 974 34281
Frazzanò ME 13 711 34992
Naso ME 14 3813 38805
Santa Domenica Vittoria ME 14 980 39785
Patti ME 15 13431 53216
Roccella Valdemone ME 15 666 53882
Piraino ME 15 3962 57844
Brolo ME 16 5783 63627
Basicò ME 16 612 64239
Alcara li Fusi ME 16 1980 66219
Gioiosa Marea ME 16 7074 73293
Randazzo CT 17 10900 84193
San Marco d'Alunzio ME 17 1996 86189
Capri Leone ME 18 4515 90704
Militello Rosmarino ME 19 1324 92028
Malvagna ME 19 733 92761
Oliveri ME 19 2181 94942
Tripi ME 19 873 95815
Maniace CT 19 3765 99580
Capo d'Orlando ME 20 13254 112834
Torrenova ME 20 4386 117220

Municipalities with at least 50000 inhabitants

An earthquake occurred to
52 Km NW of Acireale (52622 inhabitants)
61 Km N of Catania (314555 inhabitants)
62 Km W of Messina (238439 inhabitants)
67 Km W of Reggio di Calabria (183035 inhabitants)
94 Km NE 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 		ML 1.2 2014-08-21
14:08:41		 38.0258 14.8858 10 2015-09-21
09:39:02		 Bollettino Sismico Italiano INGV 18123621
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-08-21 14:08:41 ± 0.11
Latitude 38.0258 ± 0.0090
Longitude 14.8858 ± 0.0068
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 18123621

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1037
Semi-minor axis of confidence ellipse (meter) 445
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 344
Circular confidence region, given by single value of horizontal uncertainty (meter) 1040.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 111
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.01979
Epicentral distance of station farthest from the epicenter (degree) 0.27879
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 2
Type of magnitude ML
Reference to an origin 18123621
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-03-31 18:11:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.AIO.HHZ. 2014-08-21T14:08:52.70 0.6 undecidable manual S 101 30.9468 50 0.77 39
IV.NOV.HHZ. 2014-08-21T14:08:49.50 0.6 undecidable manual S 89 21.9669 115 0.09 48
IV.MNO.SHZ. 2014-08-21T14:08:49.00 0.6 undecidable manual S 238 19.7691 117 0.28 47
IV.MCSR.HHZ. 2014-08-21T14:08:47.06 0.1 undecidable manual P 82 30.3474 50 -0.17 93
IV.AIO.HHZ. 2014-08-21T14:08:47.16 0.1 undecidable manual P 101 30.9468 50 -0.16 94
IV.EMSG.HHZ. 2014-08-21T14:08:46.32 0.1 undecidable manual P 166 23.4543 114 0.19 94
IV.MSFR.HHZ. 2014-08-21T14:08:46.56 0.3 undecidable manual P 272 25.752 50 0.05 72
IV.MNO.SHZ. 2014-08-21T14:08:45.41 0.1 undecidable manual P 238 19.7691 117 -0.05 98
IV.NOV.HHZ. 2014-08-21T14:08:45.71 0.1 positive manual P 89 21.9669 115 -0.15 95
IV.EPZF.HHZ. 2014-08-21T14:08:45.63 0.1 undecidable manual P 186 22.5552 114 -0.34 91
IV.MUCR.HHE. 2014-08-21T14:08:44.70 0.3 undecidable manual S 331 2.1978 168 0.07 75
IV.MUCR.HHE. 2014-08-21T14:08:43.18 0.1 undecidable manual P 331 2.1978 168 0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MNO.SHN. ML:0.0 0.00014235000000000002 0.4 AML other m 2014-08-21T14:08:49.46
IV.MNO.SHE. ML:0.0 0.00014375 0.36 AML other m 2014-08-21T14:08:49.62
IV.NOV.HHN. ML:0.9 0.000056 0.54 AML other m 2014-08-21T14:08:51.08
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