Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 09-04-2015 and time 00:04:12 (UTC) in region 9 km NW Maniace (CT)

A magnitude ML 2.2 earthquake occured in region: 9 km NW Maniace (CT), on

  • 09-04-2015 00:04:12 (UTC)
  • 09-04-2015 02:04:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.9350, 14.7590 at 41 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
Maniace CT 9 3765 3765
Longi ME 10 1473 5238
San Teodoro ME 11 1403 6641
Cesarò ME 11 2439 9080
Alcara li Fusi ME 11 1980 11060
Galati Mamertino ME 11 2627 13687
Tortorici ME 12 6435 20122
Militello Rosmarino ME 15 1324 21446
Floresta ME 15 485 21931
Maletto CT 15 3920 25851
San Salvatore di Fitalia ME 15 1319 27170
Frazzanò ME 16 711 27881
San Marco d'Alunzio ME 16 1996 29877
Ucria ME 17 1058 30935
San Fratello ME 17 3707 34642
Mirto ME 17 974 35616
Castell'Umberto ME 17 3128 38744
Bronte CT 18 19172 57916
Randazzo CT 18 10900 68816
Santa Domenica Vittoria ME 18 980 69796
Sinagra ME 19 2705 72501
Sant'Agata di Militello ME 19 12624 85125
Torrenova ME 19 4386 89511
Raccuja ME 19 1041 90552
Capri Leone ME 20 4515 95067

Municipalities with at least 50000 inhabitants

An earthquake occurred to
51 Km NW of Acireale (52622 inhabitants)
56 Km NW of Catania (314555 inhabitants)
76 Km W of Messina (238439 inhabitants)
79 Km NE of Caltanissetta (63360 inhabitants)
80 Km W of Reggio di Calabria (183035 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 2.2 2015-04-09
00:04:12		 37.9347 14.7587 41 2015-10-19
09:28:02		 Bollettino Sismico Italiano INGV 20011331
Reviewed
Rev100 		Md 1.8
ML 2.1 		2015-04-09
00:04:12		 37.9242 14.7643 39 2015-04-09
00:35:59		 Sala Sismica INGV-Roma 18286241
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2015-04-09 00:04:12 ± 0.35
Latitude 37.9347 ± 0.0171
Longitude 14.7587 ± 0.0182
Depth (km) 41 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 20011331

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1566
Semi-minor axis of confidence ellipse (meter) 1553
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 237
Circular confidence region, given by single value of horizontal uncertainty (meter) 1570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 121
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.43
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 2.56307
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 18286241
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2015-04-09 00:35:58

ML:2.2

Field Value
Value 2.2
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 20011331
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-10-01 12:53:42

Md:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 5
Type of magnitude Md
Reference to an origin 18286241
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2015-04-09 00:35:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SALB.HHZ. 2015-04-09T00:05:26.99 3.0 undecidable manual Sg 284.5041 0.9 0
IV.PAOL.HHZ. 2015-04-09T00:05:09.04 3.0 negative manual Pg 6.68 0
GE.MATE.HHZ. 2015-04-09T00:05:03.45 3.0 undecidable manual Pn -0.5 0
IV.VITU.HHZ. 2015-04-09T00:05:01.57 3.0 undecidable manual Pn -2.9 0
IV.SALB.HHZ. 2015-04-09T00:04:55.10 3.0 positive manual Pg 284.5041 2.02 0
IV.HLNI.HHZ. 2015-04-09T00:04:33.48 0.3 undecidable manual S 171 65.7897 97 -0.8 55
IV.EPOZ.HHE. 2015-04-09T00:04:31.24 0.3 undecidable manual S 128 47.619 109 0.78 60
IV.MCSR.HHE. 2015-04-09T00:04:29.80 0.3 undecidable manual S 71 43.623 113 0.14 72
IV.ECNV.HHE. 2015-04-09T00:04:28.90 0.6 undecidable manual S 186 37.8288 120 0.37 47
IV.MSFR.HHE. 2015-04-09T00:04:25.69 0.3 undecidable manual S 307 18.2706 148 0.19 75
IV.EPZF.HHZ. 2015-04-09T00:04:25.22 0.3 undecidable manual S 145 14.9739 153 0.07 78
IV.HLNI.HHZ. 2015-04-09T00:04:24.79 0.1 undecidable manual P 171 65.7897 97 -0.43 86
IV.MUCR.HHZ. 2015-04-09T00:04:24.83 0.3 undecidable manual S 40 15.6732 152 -0.39 72
IV.EPOZ.HHE. 2015-04-09T00:04:23.00 0.1 undecidable manual P 128 47.619 109 -0.01 98
IV.MCSR.HHE. 2015-04-09T00:04:22.26 0.3 undecidable manual P 71 43.623 113 -0.28 70
IV.ECNV.HHE. 2015-04-09T00:04:22.99 0.3 undecidable manual P 186 37.8288 120 1.09 54
IV.EMSG.HHZ. 2015-04-09T00:04:20.20 0.1 undecidable manual P 127 20.9679 144 -0.13 100
IV.MSFR.HHE. 2015-04-09T00:04:20.63 0.1 positive manual P 307 18.2706 148 0.49 94
IV.EPZF.HHZ. 2015-04-09T00:04:19.77 0.1 undecidable manual P 145 14.9739 153 -0.17 100
IV.MUCR.HHZ. 2015-04-09T00:04:19.60 0.1 positive manual P 40 15.6732 152 -0.38 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EMSG.HHN. ML:2.3 0.0006705000000000001 0.74 AML other m 2015-04-09T00:05:18.63
IV.EMSG.HHE. ML:2.2 0.000489 0.94 AML other m 2015-04-09T00:05:25.29
IV.EPZF.HHE. ML:2.0 0.00033499999999999996 1.48 AML other m 2015-04-09T00:05:21.34
IV.EPZF.HHN. ML:2.1 0.0003955 1.46 AML other m 2015-04-09T00:05:20.79
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