Earthquake with magnitude of Mw 3.8 on date 09-04-2009 and time 13:19:33 (UTC) in region 3 km S Scoppito (AQ)

A magnitude Mw 3.8 earthquake occured in region: 3 km S Scoppito (AQ), on

  • 09-04-2009 13:19:33 (UTC)
  • 09-04-2009 15:19:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3410, 13.2590 at 10 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
Scoppito AQ 4 3727 3727
Tornimparte AQ 7 3187 6914
Lucoli AQ 9 1011 7925
Pizzoli AQ 11 4326 12251
L'Aquila AQ 12 69753 82004
Barete AQ 13 737 82741
Cagnano Amiterno AQ 14 1369 84110
Fiamignano RI 14 1413 85523
Borgorose RI 16 4591 90114
Petrella Salto RI 16 1197 91311
Antrodoco RI 17 2588 93899
Pescorocchiano RI 17 2075 95974
Borgo Velino RI 18 972 96946
Ocre AQ 19 1167 98113
Fossa AQ 20 721 98834
Castel Sant'Angelo RI 20 1308 100142

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km W of L'Aquila (69753 inhabitants)
51 Km SW of Teramo (54892 inhabitants)
56 Km E of Terni (111501 inhabitants)
57 Km NE of Tivoli (56533 inhabitants)
58 Km NE of Guidonia Montecelio (88673 inhabitants)
75 Km W of Chieti (51815 inhabitants)
76 Km W of Montesilvano (53738 inhabitants)
80 Km W of Pescara (121014 inhabitants)
81 Km NE of Roma (2864731 inhabitants)
82 Km SE of Foligno (57155 inhabitants)
83 Km NE of Velletri (53303 inhabitants)
95 Km E of Viterbo (67173 inhabitants)
97 Km NE of Aprilia (73446 inhabitants)
97 Km NE of Pomezia (62966 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
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 4.1
Mw 3.8
2009-04-09
13:19:33
42.341 13.259 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 780359
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-09 13:19:33 ± 0.08
Latitude 42.3410 ± 0.0036
Longitude 13.2590 ± 0.0049
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 780359

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 475
Semi-minor axis of confidence ellipse (meter) 99
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 223
Circular confidence region, given by single value of horizontal uncertainty (meter) 565.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 37
Number of associated phases, regardless of their use for origin computation 79
Number of defining phases 62
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.52
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.83282
Number of stations at which the event was observed 65
Number of stations from which data was used for origin computation 49
Magnitudes information

Mw:3.8

Field Value
Value 3.8
Uncertainty
Num. used stations
Type of magnitude Mw
Reference to an origin 780359
Agency INGV
Autore TDMT Historical
Time of creation (UTC) 2013-11-05 08:43:08

ML:4.1

Field Value
Value 4.1
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 780359
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:46:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.T0108.HLZ. 2009-04-09T13:21:38.82 10.0 undecidable manual Pn 0 0 0
IV.CSNT.HHZ. 2009-04-09T13:20:06.81 0.6 undecidable manual Pn 309 203.4408 0.808 23
IV.CASP.HHZ. 2009-04-09T13:20:05.56 0.6 undecidable manual Pn 285 201.8424 -0.25 28
IV.PESA.HHZ. 2009-04-09T13:20:04.27 0.6 undecidable manual Pn 349 180.6858 1.092 23
IV.PARC.HHN. 2009-04-09T13:20:01.94 0.6 undecidable manual Pn 331 167.0106 0.754 29
IV.MAON.HHZ. 2009-04-09T13:20:01.61 0.6 undecidable manual Pn 274 174.6918 -0.752 28
IV.PTRJ.HHZ. 2009-04-09T13:20:00.06 0.6 undecidable manual Pn 136 150.8379 1.375 23
IV.BADI.EHN. 2009-04-09T13:20:00.89 10.0 undecidable manual Pn 0 0 0
IV.ARCI.HHZ. 2009-04-09T13:20:00.54 0.3 undecidable manual Pn 292 156.3213 1.005 41
IV.SGG.HHZ. 2009-04-09T13:19:59.21 10.0 undecidable manual Pn 0 0 0
IV.CAFI.HHZ. 2009-04-09T13:19:59.83 0.6 undecidable manual Pn 317 151.9368 0.969 28
IV.FSSB.HHN. 2009-04-09T13:19:59.29 0.6 undecidable manual Pn 346 155.0226 -0.045 37
IV.FDMO.HHZ. 2009-04-09T13:19:58.40 0.3 undecidable manual Sn 350 78.4659 0.847 52
IV.PIEI.HHN. 2009-04-09T13:19:58.21 0.6 undecidable manual Pn 336 145.0437 0.42 36
IV.LPEL.HHZ. 2009-04-09T13:19:58.42 0.6 undecidable manual Sn 113 82.6506 -0.249 42
IV.AOI.HHZ. 2009-04-09T13:19:56.65 0.3 undecidable manual Pn 12 136.9629 0.092 58
IV.TRIV.HHZ. 2009-04-09T13:19:55.31 0.6 undecidable manual Pn 120 123.987 0.766 33
IV.SACS.HHZ. 2009-04-09T13:19:55.67 10.0 undecidable manual Pn 0 0 0
IV.LATE.HHZ. 2009-04-09T13:19:55.23 0.3 undecidable manual Pn 285 122.8881 0.854 48
IV.ARVD.HHN. 2009-04-09T13:19:55.59 0.3 undecidable manual Pn 349 130.9689 -0.033 60
IV.INTR.HHZ. 2009-04-09T13:19:54.00 0.6 undecidable manual Sn 124 64.3911 0.196 44
IV.MGAB.HHZ. 2009-04-09T13:19:53.09 0.3 undecidable manual Pn 305 113.0979 0.217 60
IV.MURB.HHZ. 2009-04-09T13:19:53.80 0.1 undecidable manual Pn 330 118.4925 0.096 81
IV.CERA.HHN. 2009-04-09T13:19:52.09 0.6 undecidable manual Pn 143 103.5186 0.698 35
IV.CING.HHN. 2009-04-09T13:19:52.97 0.1 undecidable manual Pn 357 114.8961 -0.182 80
IV.TOLF.HHZ. 2009-04-09T13:19:52.03 0.3 undecidable manual Pn 254 107.9142 -0.045 62
IV.MIDA.HHZ. 2009-04-09T13:19:52.20 0.3 undecidable manual Pn 133 112.8981 -0.635 53
IV.SNTG.SHZ. 2009-04-09T13:19:51.28 0.1 positive manual Pn 346 104.7174 -0.293 80
IV.NRCA.HHN. 2009-04-09T13:19:51.80 0.6 undecidable manual Sn 348 55.8996 0.257 44
IV.CERT.HHZ. 2009-04-09T13:19:49.81 0.3 undecidable manual Sn 208 49.1175 0.09 69
IV.MNS.HHZ. 2009-04-09T13:19:49.21 0.6 undecidable manual Sg 276 47.619 -0.126 46
IV.VCEL.EHZ. 2009-04-09T13:19:49.99 0.6 undecidable manual Sn 83 48.0186 0.56 41
IV.CAFR.HHE. 2009-04-09T13:19:49.98 0.1 undecidable manual Pn 98 90.1431 0.647 74
IV.ASSB.HHZ. 2009-04-09T13:19:49.39 0.1 undecidable manual Pn 328 91.9413 -0.226 83
SI.RISI.BHE. 2009-04-09T13:19:49.11 10.0 undecidable manual Pn 0 0 0
IV.SDI.SHZ. 2009-04-09T13:19:48.85 0.1 undecidable manual Pn 147 83.4498 0.551 78
IV.GIUL.HHZ. 2009-04-09T13:19:48.47 0.1 undecidable manual Pn 180 86.8464 -0.352 81
IV.POFI.HHZ. 2009-04-09T13:19:47.54 0.3 undecidable manual Pn 152 78.5658 -0.011 67
IV.CESI.HHE. 2009-04-09T13:19:47.41 0.1 undecidable manual Pn 339 79.1652 -0.23 85
IV.GRI.EHZ. 2009-04-09T13:19:47.06 10.0 undecidable manual Pn 0 0 0
IV.LPEL.HHZ. 2009-04-09T13:19:47.98 0.1 undecidable manual Pn 113 82.6506 -0.196 85
IV.RDP.BHN. 2009-04-09T13:19:47.53 0.1 positive manual Pn 215 78.5658 -0.02 89
IV.TRTR.HHZ. 2009-04-09T13:19:47.72 0.1 undecidable manual Pn 46 74.4699 0.801 72
IV.OFFI.HHZ. 2009-04-09T13:19:47.48 0.1 positive manual Pn 28 74.5698 0.552 79
IV.TERO.HHZ. 2009-04-09T13:19:47.80 0.6 undecidable manual Sg 42 42.1245 -0.052 47
IV.FDMO.HHZ. 2009-04-09T13:19:47.17 0.1 positive manual Pn 350 78.4659 -0.358 83
IV.LNSS.HHZ. 2009-04-09T13:19:45.44 0.6 undecidable manual Sg 328 34.1436 -0.289 46
IV.INTR.HHZ. 2009-04-09T13:19:45.05 0.1 undecidable manual Pn 124 64.3911 -0.316 86
IV.CESX.HHZ. 2009-04-09T13:19:44.77 0.1 undecidable manual Pn 298 63.0924 -0.397 84
IV.GUAR.HHZ. 2009-04-09T13:19:44.52 0.1 undecidable manual Pn 176 60.7947 -0.286 87
IV.VVLD.HHZ. 2009-04-09T13:19:44.42 0.3 undecidable manual Pn 150 60.1953 -0.303 65
IV.FAGN.HHE. 2009-04-09T13:19:43.41 0.3 undecidable manual Sg 107 27.8499 -0.647 62
IV.MTCE.HHZ. 2009-04-09T13:19:43.82 0.1 positive manual Pn 230 55.2003 -0.135 90
IV.VCEL.EHZ. 2009-04-09T13:19:43.31 0.1 undecidable manual Pn 83 48.0186 0.469 85
IV.NRCA.HHN. 2009-04-09T13:19:43.63 0.1 undecidable manual Pn 348 55.8996 -0.433 85
IV.CERT.HHZ. 2009-04-09T13:19:42.87 0.1 positive manual Pn 208 49.1175 -0.137 91
IV.MNS.HHZ. 2009-04-09T13:19:42.46 0.1 positive manual Pg 276 47.619 -0.326 88
SI.KOSI.BHZ. 2009-04-09T13:19:42.50 10.0 undecidable manual Pn 0 0 0
IV.GAVE.SHZ. 2009-04-09T13:19:42.52 0.6 undecidable manual Pn 323 49.1175 -0.49 42
IV.CAMP.HHZ. 2009-04-09T13:19:42.34 0.3 undecidable manual Sg 29 24.8529 -0.752 60
IV.TERO.HHZ. 2009-04-09T13:19:41.29 0.1 positive manual Pg 42 42.1245 -0.642 81
IV.PTQR.SHZ. 2009-04-09T13:19:40.86 0.1 positive manual Pg 162 37.2294 -0.32 90
IV.T0105.HLZ. 2009-04-09T13:19:40.88 10.0 undecidable manual Pg 0 0 0
IV.LNSS.HHZ. 2009-04-09T13:19:40.46 0.1 positive manual Pg 328 34.1436 -0.244 92
IV.CAMP.HHZ. 2009-04-09T13:19:39.00 0.1 positive manual Pg 29 24.8529 -0.182 95
IV.FAGN.HHE. 2009-04-09T13:19:39.57 0.1 undecidable manual Pg 107 27.8499 -0.169 94
IV.FIAM.HHN. 2009-04-09T13:19:39.89 0.1 undecidable manual Sg 235 14.1747 0.096 98
MN.AQU.HHZ. 2009-04-09T13:19:39.10 0.1 undecidable manual Sg 83 11.7771 -0.021 100
IV.FIAM.HHN. 2009-04-09T13:19:37.71 0.1 positive manual Pg 235 14.1747 0.433 91
MN.AQU.HHZ. 2009-04-09T13:19:37.14 0.1 negative manual Pg 83 11.7771 0.251 95
IV.T0101.HLE. 2009-04-09T13:19:37.48 10.0 undecidable manual Pg 0 0 0
IV.FRES.HHN. 2009-04-09T13:18:58.52 10.0 undecidable manual Sg 0 0 0
IV.FRES.HHN. 2009-04-09T13:18:54.68 10.0 undecidable manual Pg 0 0 0
IV.RNI2.HHZ. 2009-04-09T13:18:54.15 10.0 undecidable manual Pg 0 0 0
IV.ROM9.HHN. 2009-04-09T13:18:52.11 10.0 undecidable manual Pg 0 0 0
IV.MA9.HHZ. 2009-04-09T13:18:48.63 10.0 undecidable manual Pg 0 0 0
IV.LAV9.SHZ. 2009-04-09T13:18:41.36 10.0 undecidable manual Pg 0 0 0
IV.USI.HHZ. 2009-04-09T13:18:32.43 10.0 undecidable manual Pg 0 0 0
IV.ALJA.HHE. 2009-04-09T13:18:08.48 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor

TDMT details

Field Value
MagnitudeMw 3.8
Scalar Moment6.30985E+21 dyne-cm
Computed depth7 km
QualityAa
Variance Reduction%
Double Couple0%
CLVD0%
ISO0%
Model usedCIA
Modemanual
Statusfinal

Moment Tensor Components

Component Value
Mrr-5.3389E+21
Mtt3.3381E+21
Mpp2.0007E+21
Mrt-2.3037E+21
Mrp1.448E+20
Mtp-3.6007E+21

Nodal Planes

Name Strike Dip Rake
PN111556-108
PN232538-66

Fault Plane solution

Focal Mechanism

psmeca (GMT documentation)

7 115 56 -108 325 38 -66 6.30985 21 0.5 0.5

TDMT references

More info and references
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