Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 01-08-2013 and time 03:52:24 (Italy) in region 2 km NW Catenanuova (EN)

A magnitude ML 1.0 earthquake occured in region: 2 km NW Catenanuova (EN), on

  • 01-08-2013 01:52:24 (UTC)
  • 01-08-2013 03:52:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.5790, 14.6690 at 32 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
Catenanuova EN 2 4866 4866
Centuripe EN 8 5470 10336
Regalbuto EN 9 7277 17613
Castel di Iudica CT 9 4625 22238
Agira EN 16 8345 30583
Raddusa CT 17 3178 33761
Adrano CT 17 36122 69883
Gagliano Castelferrato EN 19 3593 73476
Biancavilla CT 19 24007 97483
Santa Maria di Licodia CT 20 7641 105124

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km W of Catania (314555 inhabitants)
44 Km W of Acireale (52622 inhabitants)
54 Km E of Caltanissetta (63360 inhabitants)
68 Km NE of Gela (75827 inhabitants)
71 Km N of Vittoria (63339 inhabitants)
73 Km N of Ragusa (73313 inhabitants)
80 Km NW of Siracusa (122291 inhabitants)
80 Km N of Modica (54633 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 1.0 2013-08-01
01:52:24		 37.5788 14.6688 32 2015-01-20
11:28:20		 Bollettino Sismico Italiano INGV 6863941
Reviewed
Rev100 		ML 1.0 2013-08-01
01:52:24		 37.5788 14.6688 32 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 4181711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-08-01 01:52:24 ± 0.25
Latitude 37.5788 ± 0.0126
Longitude 14.6688 ± 0.0113
Depth (km) 32 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 6863941

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1139
Semi-minor axis of confidence ellipse (meter) 1069
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 7
Circular confidence region, given by single value of horizontal uncertainty (meter) 1140.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 96
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.03867
Epicentral distance of station farthest from the epicenter (degree) 0.71586
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 1
Type of magnitude ML
Reference to an origin 6863941
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 13:09:19

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 1
Type of magnitude ML
Reference to an origin 4181711
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-08-01 02:18:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HAVL.HHE. 2013-08-01T01:52:49.60 0.6 undecidable manual S 150 79.4649 107 0.55 41
IV.AGST.EHE. 2013-08-01T01:52:44.27 0.6 undecidable manual S 126 60.7947 113 -0.08 46
IV.HBSP.HHE. 2013-08-01T01:52:43.04 0.6 undecidable manual S 197 52.503 116 0.71 39
IV.HAGA.HHZ. 2013-08-01T01:52:42.60 0.6 undecidable manual S 127 53.8017 116 -0.05 47
IV.HVZN.HHE. 2013-08-01T01:52:40.10 0.6 undecidable manual S 175 44.622 121 -0.38 45
IV.HCRL.HHZ. 2013-08-01T01:52:40.45 0.6 undecidable manual S 136 45.8208 120 -0.32 45
IV.HAVL.HHE. 2013-08-01T01:52:38.73 0.1 undecidable manual P 150 79.4649 107 0.04 90
IV.AGST.EHE. 2013-08-01T01:52:35.93 0.3 undecidable manual P 126 60.7947 113 -0.05 70
IV.ESML.HHE. 2013-08-01T01:52:35.76 0.6 undecidable manual S 77 18.9699 146 0.34 48
IV.RAFF.HHE. 2013-08-01T01:52:34.37 0.1 undecidable manual P 214 47.9187 119 0.19 92
IV.ECNV.HHZ. 2013-08-01T01:52:34.08 0.6 undecidable manual S 64 4.2957 172 0.1 51
IV.HBSP.HHE. 2013-08-01T01:52:34.77 0.1 undecidable manual P 197 52.503 116 -0.04 96
IV.HAGA.HHZ. 2013-08-01T01:52:34.90 0.1 undecidable manual P 127 53.8017 116 -0.1 93
IV.HVZN.HHE. 2013-08-01T01:52:33.42 0.3 undecidable manual P 175 44.622 121 -0.32 68
IV.HCRL.HHZ. 2013-08-01T01:52:33.71 0.1 undecidable manual P 136 45.8208 120 -0.2 93
IV.ESML.HHE. 2013-08-01T01:52:31.74 0.6 undecidable manual P 77 18.9699 146 0.92 39
IV.GALF.HHZ. 2013-08-01T01:52:31.00 0.1 undecidable manual P 328 17.1717 149 0.33 94
IV.CAGR.HHE. 2013-08-01T01:52:29.91 0.3 undecidable manual P 288 15.5733 151 -0.64 67
IV.ECNV.HHZ. 2013-08-01T01:52:29.78 0.1 undecidable manual P 64 4.2957 172 -0.21 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GALF.HHN. ML:1.1 0.000048799999999999994 0.62 AML other m 2013-08-01T01:52:38.09
IV.GALF.HHE. ML:1.0 0.000037749999999999996 1.38 AML other m 2013-08-01T01:52:38.78
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