Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 26-09-2013 and time 23:57:15 (Italy) in region 4 km SE Floresta (ME)

A magnitude ML 2.1 earthquake occured in region: 4 km SE Floresta (ME), on

  • 26-09-2013 21:57:15 (UTC)
  • 26-09-2013 23:57:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.9640, 14.9510 at 37 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
Floresta ME 5 485 485
Santa Domenica Vittoria ME 5 980 1465
Roccella Valdemone ME 6 666 2131
Montalbano Elicona ME 9 2287 4418
Randazzo CT 10 10900 15318
San Piero Patti ME 10 2915 18233
Malvagna ME 10 733 18966
Raccuja ME 11 1041 20007
Ucria ME 11 1058 21065
Moio Alcantara ME 11 717 21782
Tortorici ME 13 6435 28217
Basicò ME 15 612 28829
Librizzi ME 15 1660 30489
Sinagra ME 16 2705 33194
Tripi ME 16 873 34067
Maletto CT 17 3920 37987
Maniace CT 17 3765 41752
Novara di Sicilia ME 17 1337 43089
Galati Mamertino ME 18 2627 45716
Castiglione di Sicilia CT 18 3215 48931
Sant'Angelo di Brolo ME 18 3090 52021
Francavilla di Sicilia ME 18 3945 55966
Castell'Umberto ME 18 3128 59094
Longi ME 19 1473 60567
Montagnareale ME 19 1615 62182
San Salvatore di Fitalia ME 19 1319 63501
Ficarra ME 20 1469 64970
Fondachelli-Fantina ME 20 1019 65989
Patti ME 20 13431 79420

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km NW of Acireale (52622 inhabitants)
53 Km N of Catania (314555 inhabitants)
59 Km W of Messina (238439 inhabitants)
63 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 2.1 2013-09-26
21:57:15		 37.9642 14.9508 37 2015-01-20
11:29:04		 Bollettino Sismico Italiano INGV 6721631
Reviewed
Rev100 		ML 2.0 2013-09-26
21:57:16		 37.9957 14.9563 30 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 4564201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-09-26 21:57:15 ± 0.06
Latitude 37.9642 ± 0.0045
Longitude 14.9508 ± 0.0057
Depth (km) 37 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 6721631

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 500
Semi-minor axis of confidence ellipse (meter) 448
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 335
Circular confidence region, given by single value of horizontal uncertainty (meter) 500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 59
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 37
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.09893
Epicentral distance of station farthest from the epicenter (degree) 1.25725
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 15
Type of magnitude ML
Reference to an origin 6721631
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 13:09:17

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 15
Type of magnitude ML
Reference to an origin 4564201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-09-26 22:06:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HPAC.HHZ. 2013-09-26T21:57:53.26 0.3 undecidable manual S 177 139.5603 54 0.44 55
IV.HAVL.HHZ. 2013-09-26T21:57:47.18 0.3 undecidable manual S 172 112.4985 54 0.19 62
IV.HBSP.HHZ. 2013-09-26T21:57:44.62 0.3 undecidable manual S 204 101.2209 54 0.04 65
IV.SSY.HHZ. 2013-09-26T21:57:42.49 0.3 undecidable manual S 173 90.1431 54 0.32 63
IV.AGST.EHZ. 2013-09-26T21:57:40.16 0.3 undecidable manual S 163 82.1511 54 -0.31 64
IV.HAGA.HHZ. 2013-09-26T21:57:38.91 0.3 undecidable manual S 167 77.4669 54 -0.54 61
IV.HPAC.HHZ. 2013-09-26T21:57:37.21 0.1 undecidable manual P 177 139.5603 54 0.21 78
IV.MSRU.HHZ. 2013-09-26T21:57:35.52 0.3 undecidable manual S 55 58.8966 118 0.17 69
IV.HAVL.HHZ. 2013-09-26T21:57:33.67 0.1 undecidable manual P 172 112.4985 54 0.04 85
IV.GALF.HHZ. 2013-09-26T21:57:32.16 0.3 undecidable manual S 230 43.9227 127 0.2 70
IV.HBSP.HHZ. 2013-09-26T21:57:32.09 0.1 undecidable manual P 204 101.2209 54 -0.15 85
IV.IVPL.HHZ. 2013-09-26T21:57:32.35 0.3 undecidable manual S 3 45.8208 125 -0.01 73
IV.MPNC.HHZ. 2013-09-26T21:57:31.40 0.3 undecidable manual S 60 40.5261 129 0.16 72
IV.EPOZ.HHZ. 2013-09-26T21:57:30.81 0.3 undecidable manual S 147 38.5281 130 -0.03 73
IV.ESML.HHZ. 2013-09-26T21:57:30.73 0.3 undecidable manual S 189 38.9277 130 -0.19 71
IV.SSY.HHZ. 2013-09-26T21:57:30.84 0.1 undecidable manual P 173 90.1431 54 -0.01 89
IV.AGST.EHZ. 2013-09-26T21:57:29.70 0.1 undecidable manual P 163 82.1511 54 -0.16 88
IV.MSFR.HHZ. 2013-09-26T21:57:29.66 0.3 undecidable manual S 284 32.3454 136 0.03 74
IV.PETRA.HHZ. 2013-09-26T21:57:28.95 0.1 undecidable manual P 259 74.5698 54 0.03 91
IV.MCPD.HHZ. 2013-09-26T21:57:28.54 0.3 undecidable manual S 312 25.8519 143 0.05 75
IV.HAGA.HHZ. 2013-09-26T21:57:28.84 0.1 undecidable manual P 167 77.4669 54 -0.43 84
IV.AIO.HHZ. 2013-09-26T21:57:27.92 0.3 undecidable manual S 88 24.6531 144 -0.39 69
IV.MNO.SHZ. 2013-09-26T21:57:27.75 0.3 undecidable manual S 261 22.6551 146 -0.25 73
IV.MSRU.HHZ. 2013-09-26T21:57:27.13 0.1 undecidable manual P 55 58.8966 118 0.22 91
IV.NOV.HHZ. 2013-09-26T21:57:27.27 0.3 undecidable manual S 66 17.6712 153 -0.05 76
IV.MUCR.HHZ. 2013-09-26T21:57:26.47 0.3 undecidable manual S 322 10.9779 162 -0.17 75
IV.IVPL.HHZ. 2013-09-26T21:57:25.17 0.1 undecidable manual P 3 45.8208 125 -0.02 97
IV.EPOZ.HHZ. 2013-09-26T21:57:24.74 0.1 undecidable manual P 147 38.5281 130 0.44 90
IV.GALF.HHZ. 2013-09-26T21:57:24.94 0.1 undecidable manual P 230 43.9227 127 -0.01 98
IV.ESML.HHZ. 2013-09-26T21:57:24.58 0.1 undecidable manual P 189 38.9277 130 0.23 94
IV.MPNC.HHZ. 2013-09-26T21:57:24.85 0.1 undecidable manual P 60 40.5261 129 0.31 93
IV.MSFR.HHZ. 2013-09-26T21:57:23.60 0.1 undecidable manual P 284 32.3454 136 -0.01 99
IV.NOV.HHZ. 2013-09-26T21:57:22.18 0.1 positive manual P 66 17.6712 153 -0.1 100
IV.AIO.HHZ. 2013-09-26T21:57:22.77 0.1 negative manual P 88 24.6531 144 -0.07 99
IV.MNO.SHZ. 2013-09-26T21:57:22.92 0.1 positive manual P 261 22.6551 146 0.25 96
IV.MCPD.HHZ. 2013-09-26T21:57:22.73 0.1 undecidable manual P 312 25.8519 143 -0.22 97
IV.MUCR.HHZ. 2013-09-26T21:57:21.69 0.1 positive manual P 322 10.9779 162 -0.19 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.AIO.HHE. ML:2.0 0.00029700000000000006 0.22 AML other m 2013-09-26T21:57:28.04
IV.AIO.HHN. ML:2.1 0.00043000000000000004 1.52 AML other m 2013-09-26T21:57:29.96
IV.EPOZ.HHE. ML:2.1 0.0002785 0.26 AML other m 2013-09-26T21:57:34.49
IV.EPOZ.HHN. ML:2.1 0.00033150000000000003 0.78 AML other m 2013-09-26T21:57:34.31
IV.ESML.HHN. ML:1.9 0.00017999999999999998 1.12 AML other m 2013-09-26T21:57:35.61
IV.ESML.HHE. ML:2.0 0.000248 0.58 AML other m 2013-09-26T21:57:40.32
IV.GALF.HHN. ML:1.8 0.0001305 0.74 AML other m 2013-09-26T21:57:36.20
IV.GALF.HHE. ML:1.6 0.00010015000000000001 0.5 AML other m 2013-09-26T21:57:34.38
IV.HAGA.HHN. ML:2.0 0.00014050000000000003 0.66 AML other m 2013-09-26T21:57:40.80
IV.HAGA.HHE. ML:1.9 0.0000999 0.8 AML other m 2013-09-26T21:57:42.92
IV.HAVL.HHN. ML:2.3 0.00014000000000000001 1.16 AML other m 2013-09-26T21:57:52.85
IV.HAVL.HHE. ML:2.1 0.00009984999999999999 0.26 AML other m 2013-09-26T21:57:53.77
IV.IVPL.HHE. ML:2.5 0.000739 1.36 AML other m 2013-09-26T21:57:37.86
IV.IVPL.HHN. ML:2.5 0.0006499999999999999 0.36 AML other m 2013-09-26T21:57:34.99
IV.MCPD.HHE. ML:2.4 0.000775 0.4 AML other m 2013-09-26T21:57:29.16
IV.MCPD.HHN. ML:2.3 0.000648 0.26 AML other m 2013-09-26T21:57:29.29
IV.MNO.SHE. ML:2.2 0.000482 0.4 AML other m 2013-09-26T21:57:28.33
IV.MNO.SHN. ML:2.4 0.000815 0.68 AML other m 2013-09-26T21:57:30.07
IV.MPNC.HHN. ML:2.1 0.00027350000000000003 0.28 AML other m 2013-09-26T21:57:35.56
IV.MPNC.HHE. ML:2.0 0.0002505 0.38 AML other m 2013-09-26T21:57:34.57
IV.MSFR.HHE. ML:1.6 0.00011169999999999999 0.72 AML other m 2013-09-26T21:57:30.41
IV.MSFR.HHN. ML:1.7 0.0001235 0.3 AML other m 2013-09-26T21:57:31.08
IV.MSRU.HHN. ML:1.8 0.0001033 0.38 AML other m 2013-09-26T21:57:39.16
IV.MSRU.HHE. ML:2.1 0.00020600000000000002 0.6 AML other m 2013-09-26T21:57:37.87
IV.MUCR.HHE. ML:2.0 0.00041549999999999996 1.24 AML other m 2013-09-26T21:57:27.31
IV.MUCR.HHN. ML:2.5 0.001221 0.34 AML other m 2013-09-26T21:57:26.85
IV.NOV.HHN. ML:2.2 0.0005250000000000001 0.3 AML other m 2013-09-26T21:57:27.69
IV.NOV.HHE. ML:2.2 0.000496 0.34 AML other m 2013-09-26T21:57:28.68
IV.SSY.HHE. ML:2.0 0.00011619999999999999 1.06 AML other m 2013-09-26T21:57:46.10
IV.SSY.HHN. ML:2.5 0.000331 1.36 AML other m 2013-09-26T21:57:48.35
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