Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 11-11-2012 and time 20:52:16 (Italy) in region Mar Ionio Settentrionale (MARE)

A magnitude ML 2.4 earthquake occured in region: Mar Ionio Settentrionale (MARE), on

  • 11-11-2012 19:52:16 (UTC)
  • 11-11-2012 20:52:16 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.8640, 16.8490 at 76 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

No Italian municipalities within 100 km from the epicenter with at least 50000 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
Reviewed
Rev100 		ML 1.9 2012-11-11
19:52:16		 37.48 16.8645 10 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 2553041
Bulletin
Rev1000 		ML 2.4 2012-11-11
19:52:16		 37.864 16.8492 76 2014-09-19
08:14:18		 Bollettino Sismico Italiano INGV 3168511
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2012-11-11 19:52:16 ± 0.28
Latitude 37.8640 ± 0.0243
Longitude 16.8492 ± 0.0330
Depth (km) 76 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 3168511

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3581
Semi-minor axis of confidence ellipse (meter) 1247
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 313
Circular confidence region, given by single value of horizontal uncertainty (meter) 3580.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 240
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.66010
Epicentral distance of station farthest from the epicenter (degree) 1.64756
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:2.4

Field Value
Value 2.4
Uncertainty 0.6
Num. used stations 2
Type of magnitude ML
Reference to an origin 3168511
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2014-09-18 12:45:40

ML:1.9

Field Value
Value 1.9
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 2553041
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2012-11-11 20:05:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HLNI.HHZ. 2012-11-11T19:53:04.30 0.6 undecidable manual S 252 182.8836 105 0.01 41
IV.HAVL.HHZ. 2012-11-11T19:53:03.70 0.6 undecidable manual S 237 182.2842 105 -0.45 37
IV.HCRL.HHZ. 2012-11-11T19:53:02.00 0.6 undecidable manual S 249 172.1943 106 -0.07 44
IV.SSY.HHZ. 2012-11-11T19:53:02.10 0.6 undecidable manual S 244 174.7917 106 -0.5 40
IV.HAGA.HHZ. 2012-11-11T19:52:59.00 0.6 undecidable manual S 247 162.2154 107 -1 35
IV.SERS.HHE. 2012-11-11T19:52:52.90 0.6 undecidable manual S 354 130.7691 112 -0.71 47
IV.HLNI.HHZ. 2012-11-11T19:52:44.28 0.1 positive manual P 252 182.8836 105 0.18 80
IV.HCRL.HHZ. 2012-11-11T19:52:43.08 0.1 positive manual P 249 172.1943 106 0.25 84
IV.HAVL.HHZ. 2012-11-11T19:52:43.75 0.1 undecidable manual P 237 182.2842 105 -0.28 78
IV.MPAZ.HHZ. 2012-11-11T19:52:43.40 0.6 undecidable manual S 278 74.37 129 0.32 53
IV.SSY.HHZ. 2012-11-11T19:52:43.11 0.1 undecidable manual P 244 174.7917 106 -0.02 87
IV.PLAC.HHE. 2012-11-11T19:52:42.20 0.6 undecidable manual S 331 74.1702 129 -0.84 48
IV.SOI.EHE. 2012-11-11T19:52:42.70 0.6 undecidable manual S 289 73.2711 130 -0.19 57
IV.HAGA.HHZ. 2012-11-11T19:52:41.59 0.1 negative manual P 247 162.2154 107 -0.04 92
MN.TIP.HHE. 2012-11-11T19:52:39.51 0.6 undecidable manual P 357 146.1426 110 -0.22 49
IV.AIO.HHE. 2012-11-11T19:52:39.85 0.6 undecidable manual P 275 141.9468 110 0.61 40
IV.SERS.HHE. 2012-11-11T19:52:37.78 0.3 undecidable manual P 354 130.7691 112 -0.16 77
IV.MPAZ.HHZ. 2012-11-11T19:52:32.46 0.1 undecidable manual P 278 74.37 129 0.6 100
IV.SOI.EHE. 2012-11-11T19:52:32.31 0.6 undecidable manual P 289 73.2711 130 0.56 50
IV.PLAC.HHE. 2012-11-11T19:52:31.76 0.3 undecidable manual P 331 74.1702 129 -0.08 86
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HAVL.HHE. ML:2.9 0.000254 1.5 AML other m 2012-11-11T19:53:10.61
IV.HAVL.HHN. ML:2.9 0.000228 1.58 AML other m 2012-11-11T19:53:26.54
IV.MPAZ.HHN. ML:2.0 0.0000915 0.94 AML other m 2012-11-11T19:52:45.05
IV.MPAZ.HHE. ML:1.9 0.00006765 0.78 AML other m 2012-11-11T19:52:47.17
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