Earthquake with magnitude of ML 3.3 on date 11-12-2019 and time 16:29:55 (Italy) in region Tirreno Meridionale (MARE)

A magnitude ML 3.3 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 11-12-2019 15:29:55 (UTC)
  • 11-12-2019 16:29:55 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.5100, 15.1230 at 335 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

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

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

These three maps show the results of the analysis using the software ShakeMap designed to provide the level of ground shaking experienced in a region using the data recorded by seismometers and strong motion instruments and seismological information regarding the attenuation of the wavefield with distance and the site characteristics. The Shakemaps are determined for research purposes to provide fast estimates of the level of ground shaking produced by the earthquake. The maps are calculated automatically and updated as more data become available. See http://shakemap.ingv.it for additional information. The black star indicates the epicenter. The triangles show the accelerometric and velocimetric stations used in the calculation, colored according to the recorded shaking.

Intensity Shakemap

Intensity Shakemap

This map shows the distribution of instrumental intensities. The intensity is derived through an empirical law that correlates the recorded values of actual ground shaking, e.g., acceleration and velocity, with the macroseismic intensity for Italian earthquakes, as reported in the Italian Macroseismic Database (DBMI15, https://doi.org/10.13127/cpti/cpti15.3).
Peak ground acceleration Shakemap

Peak ground acceleration Shakemap

This map shows the distribution of peak ground acceleration expressed as percent of the acceleration of gravity (i.e., g = 9.81 m/s²).
Peak velocity Shakemap

Peak velocity Shakemap

This map shows the distribution of peak ground velocities expressed in cm/s.
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000
ML 3.3 2019-12-11
15:29:55
39.5102 15.1228 335 2020-02-28
16:42:18
Bollettino Sismico Italiano INGV 75494971
Reviewed
Rev100
ML 3.4 2019-12-11
15:29:55
39.4702 15.0715 333 2019-12-11
15:44:54
Sala Sismica INGV-Roma 74556301
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-11 15:29:55 ± 0.32
Latitude 39.5102 ± 0.0207
Longitude 15.1228 ± 0.0455
Depth (km) 335 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 75494971

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3900
Semi-minor axis of confidence ellipse (meter) 1919
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 108
Circular confidence region, given by single value of horizontal uncertainty (meter) 3900.0
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 58
Number of defining phases 44
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 4.42916
Number of stations at which the event was observed 47
Number of stations from which data was used for origin computation 33
Magnitudes information

ML:3.4

Field Value
Value 3.4
Uncertainty 0.4
Num. used stations 47
Type of magnitude ML
Reference to an origin 74556301
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-11 15:44:53

ML:3.3

Field Value
Value 3.3
Uncertainty 0.2
Num. used stations 41
Type of magnitude ML
Reference to an origin 75494971
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-01-23 08:06:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.GSCL.HHZ. 2019-12-11T15:32:29.26 3.0 undecidable manual Sn -3.08 0
IV.FIR.HHZ. 2019-12-11T15:32:29.96 3.0 undecidable manual Sg 15.86 0
IV.NDIM.HNZ. 2019-12-11T15:32:28.85 3.0 undecidable manual Sn -9.99 0
IV.IMI.HHZ. 2019-12-11T15:32:02.45 3.0 undecidable manual Pg 16.879999 0
IV.COR1.EHZ. 2019-12-11T15:32:02.69 3.0 undecidable manual Sg 5.2 0
MN.TIR.HHZ. 2019-12-11T15:32:01.03 3.0 undecidable manual Sn -4.01 0
OX.CIMO.HHZ. 2019-12-11T15:32:00.03 3.0 undecidable manual Pg 11.46 0
IV.ZONE.HHZ. 2019-12-11T15:31:56.03 3.0 negative manual Pg 5.9 0
IV.SNTG.HHZ. 2019-12-11T15:31:52.90 3.0 undecidable manual Sg 3.76 0
IV.MILN.HNZ. 2019-12-11T15:31:44.96 3.0 undecidable manual Pn -6.67 0
IV.MDI.HHZ. 2019-12-11T15:31:40.88 3.0 positive manual Pn -9.99 0
IV.SOI.EHZ. 2019-12-11T15:31:19.66 0.6 undecidable manual S 153 178.5879 151 -0.37 36
CR.STON.BHZ. 2019-12-11T15:31:19.40 3.0 undecidable manual Pg 9.65 0
IV.MPNC.HHZ. 2019-12-11T15:31:18.16 0.6 undecidable manual S 172 152.5362 155 0.69 37
IV.PLAC.HHZ. 2019-12-11T15:31:17.52 1.0 undecidable manual S 136 163.4142 153 -0.98 15
IV.MSRU.HHE. 2019-12-11T15:31:17.10 0.6 undecidable manual S 166 142.2465 156 0.56 41
MN.TIP.HHZ. 2019-12-11T15:31:16.79 0.6 undecidable manual S 104 145.0437 156 0 46
MN.CEL.HHZ. 2019-12-11T15:31:16.96 0.6 undecidable manual S 154 153.8349 155 -0.62 38
IV.CELI.HHZ. 2019-12-11T15:31:16.17 0.6 undecidable manual S 95 119.2917 160 1.47 27
IV.JOPP.HHZ. 2019-12-11T15:31:14.04 0.6 undecidable manual S 147 119.7912 160 -0.7 40
IV.SPS2.HHE. 2019-12-11T15:31:14.29 0.6 undecidable manual S 103 107.0151 162 0.46 45
IV.PE3.EHZ. 2019-12-11T15:31:13.53 3.0 negative manual Pn -0.74 0
IV.CET2.HHE. 2019-12-11T15:31:12.23 0.6 undecidable manual S 88 71.1732 168 0.44 48
IV.CAR1.HHZ. 2019-12-11T15:31:12.63 0.3 undecidable manual S 107 97.6245 163 -0.59 66
MN.VSL.HHN. 2019-12-11T15:31:08.92 0.1 undecidable manual P 272 491.6412 123 -2.65 4
IV.HPAC.HHZ. 2019-12-11T15:30:54.47 0.3 undecidable manual P 181 310.8555 136 0.4 21
IV.ALJA.HHZ. 2019-12-11T15:30:48.70 0.3 undecidable manual P 212 228.5934 145 1.19 29
IV.HAGA.HHZ. 2019-12-11T15:30:48.18 0.6 undecidable manual P 179 246.864 143 -0.68 21
IV.HLNI.HHZ. 2019-12-11T15:30:48.30 0.1 undecidable manual P 185 240.7812 143 -0.1 52
IV.GIB.HHE. 2019-12-11T15:30:45.55 0.3 undecidable manual P 210 193.4619 149 0.43 50
IV.PLLN.EHN. 2019-12-11T15:30:45.07 0.3 undecidable manual P 207 188.4669 150 0.27 53
IV.NOV.HHZ. 2019-12-11T15:30:44.13 0.3 undecidable manual P 180 164.4132 153 0.76 51
IV.AIO.HHZ. 2019-12-11T15:30:44.07 0.1 undecidable manual P 177 170.9955 152 0.33 76
IV.CSLB.HHZ. 2019-12-11T15:30:44.97 0.3 undecidable manual P 208 197.358 149 -0.4 49
IV.SOI.EHZ. 2019-12-11T15:30:43.88 0.1 undecidable manual P 153 178.5879 151 -0.31 73
IV.VIVA.HHZ. 2019-12-11T15:30:43.74 3.0 positive manual Pn -5.73 0
IV.MUCR.HHE. 2019-12-11T15:30:43.51 0.1 undecidable manual P 188 164.2134 153 0.16 82
IV.LADO.EHZ. 2019-12-11T15:30:43.26 0.3 undecidable manual P 98 161.1165 154 0.08 63
IV.PLAC.HHZ. 2019-12-11T15:30:43.14 0.1 undecidable manual P 136 163.4142 153 -0.17 82
IV.IVPL.HNE. 2019-12-11T15:30:42.05 0.3 undecidable manual P 186 126.3735 159 0.62 61
MN.CEL.HHZ. 2019-12-11T15:30:42.08 0.1 undecidable manual P 154 153.8349 155 -0.7 73
MN.TIP.HHZ. 2019-12-11T15:30:42.64 0.1 undecidable manual P 104 145.0437 156 0.32 86
IV.MPNC.HHZ. 2019-12-11T15:30:42.55 0.1 undecidable manual P 172 152.5362 155 -0.17 86
IV.MSRU.HHE. 2019-12-11T15:30:41.84 0.1 undecidable manual P 166 142.2465 156 -0.34 85
IV.SCHR.EHN. 2019-12-11T15:30:41.08 0.3 undecidable manual P 46 111.4995 161 0.29 69
IV.TDS.HHZ. 2019-12-11T15:30:41.04 0.3 undecidable manual P 81 105.2169 162 0.5 67
IV.CELI.HHZ. 2019-12-11T15:30:41.86 0.1 undecidable manual P 95 119.2917 160 0.74 79
IV.SLCN.HNZ. 2019-12-11T15:30:40.35 0.6 undecidable manual P 24 106.8153 162 -0.25 47
IV.SPS2.HHE. 2019-12-11T15:30:40.83 0.1 undecidable manual P 103 107.0151 162 0.22 95
IV.CDRU.HHE. 2019-12-11T15:30:40.26 0.3 undecidable manual P 8 109.7124 161 -0.46 67
IV.JOPP.HHZ. 2019-12-11T15:30:40.64 0.1 undecidable manual P 147 119.7912 160 -0.5 86
IV.MCEL.HHN. 2019-12-11T15:30:40.87 0.3 undecidable manual P 32 107.3148 162 0.25 70
IV.CMPR.HHZ. 2019-12-11T15:30:39.79 0.3 undecidable manual P 10 90.9423 164 -0.24 73
IV.BULG.HNE. 2019-12-11T15:30:39.14 0.3 undecidable manual P 19 66.6777 168 -0.18 78
IV.CAR1.HHZ. 2019-12-11T15:30:39.76 0.3 undecidable manual P 107 97.6245 163 -0.5 68
IV.MGR.HNE. 2019-12-11T15:30:39.43 0.3 undecidable manual P 28 78.6657 166 -0.21 75
IV.CET2.HHE. 2019-12-11T15:30:39.12 0.3 undecidable manual P 88 71.1732 168 -0.31 75
IV.MMN.HHE. 2019-12-11T15:30:39.68 0.1 undecidable manual P 60 85.248 165 -0.16 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.TIP.HNN. ML:3.2 0.00011013760000000001 0.7808 AML other m 2019-12-11T15:30:43.42
MN.TIP.HNE. ML:3.3 0.00013377795000000002 0.4224 AML other m 2019-12-11T15:30:43.56
IV.GRI.EHN. ML:3.4 0.00019663955 0.448 AML other m 2019-12-11T15:30:44.44
IV.AIO.HHN. ML:3.5 0.00020246055 0.4608 AML other m 2019-12-11T15:30:46.64
IV.GRI.EHE. ML:3.4 0.00021553015000000002 0.512 AML other m 2019-12-11T15:30:47.01
IV.AIO.HHE. ML:3.4 0.00015889294999999997 1.5136 AML other m 2019-12-11T15:30:49.24
IV.TDS.HHN. ML:3.0 0.00009052035 0.0544 AML other m 2019-12-11T15:30:53.40
IV.CSLB.HHE. ML:3.0 0.00005831544 1.4976 AML other m 2019-12-11T15:30:59.84
IV.HAGA.HHE. ML:3.7 0.00025141375 0.9856 AML other m 2019-12-11T15:31:12.33
IV.CAR1.HHN. ML:3.4 0.00023290935 0.7552 AML other m 2019-12-11T15:31:13.52
IV.CAR1.HNN. ML:3.4 0.00023421759999999999 0.4992 AML other m 2019-12-11T15:31:14.57
IV.CAR1.HNE. ML:3.5 0.0002601091 0.4864 AML other m 2019-12-11T15:31:14.34
IV.CAR1.HHE. ML:3.5 0.00025383695 0.4992 AML other m 2019-12-11T15:31:14.35
IV.JOPP.HHE. ML:3.2 0.00013894399 0.256 AML other m 2019-12-11T15:31:16.35
IV.TDS.HHE. ML:3.1 0.00010298639500000001 1.0528 AML other m 2019-12-11T15:31:16.24
IV.JOPP.HHN. ML:3.2 0.00011438704500000001 0.3328 AML other m 2019-12-11T15:31:16.57
IV.CELI.HHN. ML:3.8 0.00045249200000000003 0.5376 AML other m 2019-12-11T15:31:16.68
IV.CELI.HNN. ML:3.4 0.0001776714 0.512 AML other m 2019-12-11T15:31:16.43
IV.SALB.HHE. ML:3.1 0.00010287784999999999 1.5776 AML other m 2019-12-11T15:31:18.92
MN.TIP.HHE. ML:3.3 0.0001467502 0.6912 AML other m 2019-12-11T15:31:19.45
IV.PLAC.HHE. ML:3.3 0.000139082545 0.2688 AML other m 2019-12-11T15:31:19.30
MN.CEL.HNE. ML:3.4 0.00016934789999999999 0.3456 AML other m 2019-12-11T15:31:19.86
IV.CELI.HNE. ML:3.3 0.00017582790000000002 1.4752 AML other m 2019-12-11T15:31:20.76
IV.CELI.HHE. ML:3.7 0.00044240645 1.4752 AML other m 2019-12-11T15:31:20.76
IV.PLAC.HNN. ML:3.3 0.00013615001 0.384 AML other m 2019-12-11T15:31:20.58
IV.SALB.HHN. ML:3.0 0.000072852455 0.32 AML other m 2019-12-11T15:31:20.52
MN.CEL.HHE. ML:3.3 0.00015715715 0.4608 AML other m 2019-12-11T15:31:20.75
IV.LADO.EHN. ML:2.2 0.000009112902 1.6928 AML other m 2019-12-11T15:31:20.14
IV.LADO.EHE. ML:2.3 0.00001490108 0.3072 AML other m 2019-12-11T15:31:21.96
MN.CEL.HHN. ML:3.4 0.00016542046499999998 1.4496 AML other m 2019-12-11T15:31:22.05
IV.PLAC.HHN. ML:3.3 0.00013708795500000002 1.5008 AML other m 2019-12-11T15:31:23.08
IV.PLAC.HNE. ML:3.3 0.00013185152 1.5008 AML other m 2019-12-11T15:31:23.08
IV.HLNI.HHN. ML:3.4 0.000119494585 0.0992 AML other m 2019-12-11T15:31:23.16
MN.CEL.HNN. ML:3.4 0.00016360715000000002 1.3088 AML other m 2019-12-11T15:31:24.13
IV.SOI.EHE. ML:3.3 0.00012619325 1.4368 AML other m 2019-12-11T15:31:24.23
IV.ALJA.HHN. ML:3.4 0.00014096468500000001 1.0528 AML other m 2019-12-11T15:31:28.44
IV.HAGA.HHN. ML:3.7 0.00027952945 1.0624 AML other m 2019-12-11T15:31:29.98
IV.CSLB.HHN. ML:3.1 0.000083069315 0.528 AML other m 2019-12-11T15:31:35.81
MN.TIP.HHN. ML:3.1 0.000087966035 0.0032 AML other m 2019-12-11T15:31:36.38
IV.HLNI.HHE. ML:3.5 0.00015827465000000003 0.2592 AML other m 2019-12-11T15:31:41.77
IV.SOI.EHN. ML:3.7 0.000369449845 0.3808 AML other m 2019-12-11T15:31:47.30
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