Earthquake with magnitude of ML 2.9 on date 27-09-2011 and time 09:52:54 (Italy) in region 6 km N Maniace (CT)

A magnitude ML 2.9 earthquake occured in region: 6 km N Maniace (CT), on

  • 27-09-2011 07:52:54 (UTC)
  • 27-09-2011 09:52:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.9190, 14.8140 at 18 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.

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 6 3765 3765
Maletto CT 11 3920 7685
Floresta ME 12 485 8170
Cesarò ME 12 2439 10609
Randazzo CT 13 10900 21509
Tortorici ME 13 6435 27944
San Teodoro ME 13 1403 29347
Santa Domenica Vittoria ME 13 980 30327
Galati Mamertino ME 13 2627 32954
Longi ME 13 1473 34427
Bronte CT 15 19172 53599
Alcara li Fusi ME 15 1980 55579
Ucria ME 15 1058 56637
Roccella Valdemone ME 17 666 57303
San Salvatore di Fitalia ME 17 1319 58622
Raccuja ME 18 1041 59663
Frazzanò ME 18 711 60374
Castell'Umberto ME 19 3128 63502
Militello Rosmarino ME 19 1324 64826
Sinagra ME 19 2705 67531
Mirto ME 19 974 68505
San Piero Patti ME 20 2915 71420
San Marco d'Alunzio ME 20 1996 73416

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km NW of Acireale (52622 inhabitants)
52 Km NW of Catania (314555 inhabitants)
72 Km W of Messina (238439 inhabitants)
76 Km W of Reggio di Calabria (183035 inhabitants)
81 Km NE of Caltanissetta (63360 inhabitants)
Recent and historical seismicity

These maps show the seismic activity in different time intervals, before the seismic event to which they refer. Data reported in the first two maps come from the analysis carried out in real time by the personnel of the INGV Operating Rooms, immediately after each earthquake. The third map shows data from 1985 to the date of the earthquake: the locations are reviewed by the seismological analysts of the INGV Italian Seismic Bulletin (Bollettino Sismico Italiano dell’INGV). The localization parameters (hypocentral coordinates and magnitude) are the best possible estimate with the data available to the INGV, but are constantly updated according to further data that become available. The location and magnitude parameters, subsequently reviewed by seismological analysts, may vary.

Earthquakes of the 3 days preceding this event

Earthquakes of the 3 days preceding this event

This map shows the earthquake epicenters with magnitude ≥ 0.0, localized with data recorded by the National Seismic Network and other collaborative networks both in Italy and in neighboring countries, in the 72 hours preceding this event. The size of the circle indicates the different classes of magnitude. The colors indicate the different time intervals preceding the seismic event. The black and white star is the epicenter of the current earthquake.
Earthquakes of the 90 days preceding this event

Earthquakes of the 90 days preceding this event

This map shows the earthquake epicenters with magnitude ≥ 2.0, localized with data recorded by the National Seismic Network and other collaborative networks both in Italy and in neighboring countries, in the 90 days preceding this event. The size of the circle indicates the different classes of magnitude. The colors indicate the different time intervals preceding the seismic event. The black and white star is the epicenter of the current earthquake.
Earthquakes from 1985 to the date of the event

Earthquakes from 1985 to the date of the event

This map shows the earthquake epicenters with magnitude ≥ 3.0, localized with data recorded by the National Seismic Network and other collaborative networks both in Italy and in neighboring countries, from 1985 to the date of this event. The size of the circle indicates the different classes of magnitude. The colors indicate the different time intervals preceding the seismic event. The black and white star is the epicenter of the current earthquake.
Earthquakes since 1000 AD until 2019

Earthquakes since 1000 AD until 2019

This map shows the epicenters of the historical earthquakes catalogue CPT15 (Catalogo Parametrico dei Terremoti Italiani, 2015 version 3.0, https://doi.org/10.13127/cpti/cpti15.3) since 1000 AD until 2019. The size of the square indicates the different classes of magnitude. For earthquakes with magnitude ≥ 6.0, it is also shown the year of occurrence and the magnitude value. The black and white star is the epicenter of the current earthquake.
Seismic hazard

Seismic hazard maps provide probabilistic estimates of the earthquake ground shaking exceeding a given threshold in a given geographic region within a given time window. Thus, it is not a deterministic prediction - a target that may be never reached given the complexity of the earthquake physical phenomenon - nor of the maximum expected earthquake since this has extremely low probabilities to occur.

In 2004, it was published the seismic hazard map of Italy (http://zonesismiche.mi.ingv.it) that provides a picture of the most hazardous geographic regions. The seismic hazard map of Italy (GdL MPS, 2004; rif. Ordinanza PCM del 28 aprile 2006, n. 3519, All. 1b) provides the 10% probability of exceedance in 50 years of the horizontal acceleration at rock sites (i.e., Vs30>800 m/s; cat. A, 3.2.1 of the D.M. 14.09.2005).

The colours indicate the various values of the ground acceleration that have 10% to be exceeded within 50 years. In general, the colours associated to low values of acceleration refer to areas that are less hazardous and stronger earthquakes repeat less frequently although they may still occur.

Seismic hazard map

Seismic hazard map

This map shows the seismic hazard map of Italy for the region where the earthquake occurred.
Shakemap
Felt maps
Preliminary map of the earthquake effects from the web questionnaire

Preliminary map of the earthquake effects from the web questionnaire

This map shows the distribution of earthquake resentment in the area, expressed in terms of intensity on the MCS scale (Mercalli-Cancani-Sieberg). Intensities are determined using data from questionnaires collected on the website http://www.hsit.it. The intensities shown are determined considering all the reports received from each municipality, and are all the more reliable the greater the number of questionnaires. The collected data are subjected to an automatic statistical filter, but are not checked individually. In particular, intensities greater than or equal to the VI degree of the MCS or EMS scale require on-site verification by specialized personnel. The black star is the epicenter of the earthquake that occurred. This map is updated every time citizens fill out new questionnaires. The number of questionnaires processed to obtain this map, the date and time of the last update are shown at the top right.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000
ML 2.9 2011-09-27
07:52:54
37.919 14.814 19 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1291149
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-09-27 07:52:54 ± 0.11
Latitude 37.9190 ± 0.0072
Longitude 14.8140 ± 0.0080
Depth (km) 19 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1291149

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 754
Semi-minor axis of confidence ellipse (meter) 277
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 174
Circular confidence region, given by single value of horizontal uncertainty (meter) 1063.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 63
Number of associated phases, regardless of their use for origin computation 49
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.47
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.98925
Number of stations at which the event was observed 41
Number of stations from which data was used for origin computation 21
Magnitude information

ML:2.9

Field Value
Value 2.9
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 1291149
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 01:34:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIPA.HHZ. 2011-09-27T07:53:35.38 10.0 undecidable manual Pg 0 0 0
IV.STR3.BHN. 2011-09-27T07:53:33.68 10.0 undecidable manual Pg 0 0 0
IV.MFNL.SHZ. 2011-09-27T07:53:26.63 10.0 undecidable manual Pg 0 0 0
IV.MSCL.HHE. 2011-09-27T07:53:26.69 10.0 undecidable manual Pg 0 0 0
IV.MTGR.SHZ. 2011-09-27T07:53:26.10 10.0 undecidable manual Pg 0 0 0
IV.HMDC.HHE. 2011-09-27T07:53:26.65 10.0 undecidable manual Pg 0 0 0
IV.CAR1.HHZ. 2011-09-27T07:53:23.96 10.0 undecidable manual Pg 0 0 0
IV.CRJA.SHZ. 2011-09-27T07:53:23.23 10.0 undecidable manual Pg 0 0 0
IV.MCT.BHE. 2011-09-27T07:53:22.63 10.0 undecidable manual Sg 0 0 0
IV.USI.HHZ. 2011-09-27T07:53:21.03 10.0 undecidable manual Pg 0 0 0
IV.GRI.EHZ. 2011-09-27T07:53:21.92 10.0 undecidable manual Pg 0 0 0
IV.CORL.HHZ. 2011-09-27T07:53:20.18 10.0 undecidable manual Pg 0 0 0
IV.MCT.BHE. 2011-09-27T07:53:19.04 10.0 undecidable manual Pg 0 0 0
IV.IFIL.EHE. 2011-09-27T07:53:19.55 10.0 undecidable manual Sg 0 0 0
IV.HAGA.HHN. 2011-09-27T07:53:18.01 0.6 undecidable manual Sg 157 76.4679 0.465 41
IV.MPG.SHN. 2011-09-27T07:53:18.52 10.0 undecidable manual Pg 0 0 0
IV.HLNI.HHZ. 2011-09-27T07:53:14.66 0.6 undecidable manual Sg 175 63.492 0.55 41
IV.MEU.SHZ. 2011-09-27T07:53:13.57 10.0 undecidable manual Pg 0 0 0
IV.IFIL.EHE. 2011-09-27T07:53:12.19 10.0 undecidable manual Pg 0 0 0
IV.SOI.EHZ. 2011-09-27T07:53:12.64 0.3 undecidable manual Pg 81 109.8123 -0.306 60
IV.MPAZ.HHE. 2011-09-27T07:53:12.07 0.6 undecidable manual Pg 88 104.4177 -0.055 42
IV.ALJA.HHZ. 2011-09-27T07:53:11.19 0.3 undecidable manual Pg 259 94.7385 0.556 58
IV.SSY.HHN. 2011-09-27T07:53:11.06 10.0 undecidable manual Pg 0 0 0
MN.CEL.HHZ. 2011-09-27T07:53:11.46 0.3 undecidable manual Pg 68 101.6205 -0.231 62
IV.GMB.BHZ. 2011-09-27T07:53:10.63 0.3 undecidable manual Pg 72 92.9403 0.279 62
IV.RAFF.HHZ. 2011-09-27T07:53:09.59 0.3 undecidable manual Pg 207 86.8464 0.167 64
IV.IACL.HHZ. 2011-09-27T07:53:09.05 0.6 undecidable manual Pg 330 78.9654 0.837 35
IV.RESU.HHZ. 2011-09-27T07:53:08.79 10.0 undecidable manual Pg 0 0 0
IV.AGST.EHZ. 2011-09-27T07:53:07.87 0.3 undecidable manual Pg 154 81.9513 -0.809 54
IV.HAGA.HHN. 2011-09-27T07:53:07.17 0.3 undecidable manual Pg 157 76.4679 -0.662 58
IV.MSRU.HHN. 2011-09-27T07:53:07.35 0.1 positive manual Pg 58 71.6727 0.245 86
IV.GIB.HHZ. 2011-09-27T07:53:06.60 0.6 undecidable manual Pg 277 69.375 -0.14 44
IV.NOV.HHZ. 2011-09-27T07:53:06.19 0.6 undecidable manual Sg 67 30.747 0.581 43
IV.HLNI.HHZ. 2011-09-27T07:53:05.19 0.3 undecidable manual Pg 175 63.492 -0.659 59
IV.ATN.BHZ. 2011-09-27T07:53:05.66 0.3 undecidable manual Pg 65 62.7927 -0.088 68
IV.MPNC.HHN. 2011-09-27T07:53:04.38 10.0 undecidable manual Pg 0 0 0
IV.IVPL.HHE. 2011-09-27T07:53:04.03 10.0 undecidable manual Pg 0 0 0
IV.CAGR.HHN. 2011-09-27T07:53:03.58 0.6 undecidable manual Pg 220 42.9237 0.849 38
IV.MSFR.HHZ. 2011-09-27T07:53:03.17 0.6 undecidable manual Sg 303 23.2545 -0.607 42
IV.MUCR.HHZ. 2011-09-27T07:53:02.20 0.6 undecidable manual Sg 21 14.7741 0.244 48
IV.MCSR.HHZ. 2011-09-27T07:53:02.07 0.1 undecidable manual Pg 66 39.8268 -0.201 93
IV.ECNV.HHZ. 2011-09-27T07:53:01.97 0.6 undecidable manual Pg 194 36.9297 0.127 47
IV.MNO.SHZ. 2011-09-27T07:53:01.19 0.3 undecidable manual Sg 277 10.4784 -0.03 74
IV.MMME.HHN. 2011-09-27T07:53:01.92 10.0 undecidable manual Pg 0 0 0
IV.ESLN.HHE. 2011-09-27T07:53:01.02 0.3 undecidable manual Pg 151 28.749 0.372 68
IV.NOV.HHZ. 2011-09-27T07:53:00.72 0.1 positive manual Pg 67 30.747 -0.214 94
IV.MSFR.HHZ. 2011-09-27T07:52:59.93 0.1 undecidable manual Pg 303 23.2545 0.047 99
IV.MUCR.HHZ. 2011-09-27T07:52:58.82 0.1 positive manual Pg 21 14.7741 -0.011 100
IV.MNO.SHZ. 2011-09-27T07:52:58.22 0.1 undecidable manual Pg 277 10.4784 -0.185 97
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Fault Plane solutions

Fault Plane solutions

The map reports the fault plane solutions for earthquakes in the region from 1977 to the date of this event. Red moment tensors are determined using the Regional Centroid Moment Tensor technique (RCMT, http://www.bo.ingv.it/RCMT) applied for earthquakes with magnitude larger than 4.5 in the Euro-Mediterranenan area. Occasionally, when a station azimuthal coverage exists RCMTs can be obtained also for earthquakes with magnitude down to 4.0. The gray moment tensors are obtained with the Time Domain Moment Tensor method (TDMT, /tdmt). This technique is applied to earthquakes with magnitude ML greater than 3.2, when it is possible. The size of symbols scales with the calculated moment magnitude Mw.
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