Earthquake with magnitude of ML 2.5 on date 11-02-2021 and time 07:18:18 (Italy) in region 2 km E Roccacasale (AQ)

A magnitude ML 2.5 earthquake occured in region: 2 km E Roccacasale (AQ), on

  • 11-02-2021 06:18:18 (UTC)
  • 11-02-2021 07:18:18 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.12, 13.91 at 10 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Roccacasale AQ 2 693 693
Pratola Peligna AQ 4 7577 8270
Corfinio AQ 6 1051 9321
Salle PE 7 308 9629
Vittorito AQ 8 873 10502
Popoli PE 8 5172 15674
Caramanico Terme PE 8 1929 17603
Sulmona AQ 9 24557 42160
Raiano AQ 9 2815 44975
Sant'Eufemia a Maiella PE 10 278 45253
Prezza AQ 10 945 46198
Tocco da Casauria PE 10 2688 48886
Pacentro AQ 11 1174 50060
Bolognano PE 11 1108 51168
Bussi sul Tirino PE 12 2518 53686
Bugnara AQ 12 1125 54811
Goriano Sicoli AQ 13 569 55380
Castiglione a Casauria PE 13 831 56211
Introdacqua AQ 13 2126 58337
San Benedetto in Perillis AQ 13 113 58450
San Valentino in Abruzzo Citeriore PE 14 1922 60372
Torre de' Passeri PE 14 3147 63519
Roccamorice PE 14 939 64458
Abbateggio PE 14 400 64858
Castel di Ieri AQ 14 303 65161
Pescosansonesco PE 15 517 65678
Molina Aterno AQ 15 386 66064
Castelvecchio Subequo AQ 15 982 67046
Cocullo AQ 15 230 67276
Collepietro AQ 15 237 67513
Cansano AQ 16 274 67787
Lettomanoppello PE 16 2975 70762
Campo di Giove AQ 17 803 71565
Pietranico PE 17 484 72049
Anversa degli Abruzzi AQ 17 341 72390
Acciano AQ 17 327 72717
Corvara PE 17 256 72973
Pettorano sul Gizio AQ 17 1376 74349
Gagliano Aterno AQ 17 254 74603
Scafa PE 18 3759 78362
Turrivalignani PE 18 857 79219
Manoppello PE 20 6996 86215
Alanno PE 20 3487 89702
Secinaro AQ 20 359 90061
Navelli AQ 20 554 90615
Capestrano AQ 20 884 91499

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km SW of Chieti (51815 inhabitants)
45 Km SW of Pescara (121014 inhabitants)
48 Km SW of Montesilvano (53738 inhabitants)
49 Km SE of L'Aquila (69753 inhabitants)
62 Km S of Teramo (54892 inhabitants)
94 Km E of Tivoli (56533 inhabitants)
99 Km E of Guidonia Montecelio (88673 inhabitants)
Recent and historical Seismicity

These maps show the seismicity for different time windows. The earthquake locations reported in these maps are determined in quasi real-time by the personnel on duty in the seismic surveillance center of INGV in Rome. Note that the earthquake source parameters (hypocentral location and magnitude) are the best estimates obstained with the available data and they are adjourned as additional data become available. The source parameters obtained by the personnel on duty are then revised by the group in charge of the INGV Seismic Bulletin (Bollettino Sismico Italiano dell’INGV).

Earthquakes of the last three days (72 hours)

Earthquakes of the last three days (72 hours)

This map reports the earthquake epicenters located in the 72 hours (3 days) preceding the time of the current earthquake occurrence, using the data acquired by the Italian National Seismic Network and by other collaborating networks in Italy and in the neighbouring countries. The radius of the circle representing the earthquake on the map scales with magnitude. The color depends on the time of occurrence of the earthquakes with respect to the time of generation of the map (red = 1 hour; orange = 24 hours; yellow = 72 hours). The open star shows the epicenter of the current earthquake.
Earthquakes of the last 90 days

Earthquakes of the last 90 days

This map reports the Magnitudo ≥ 1.0 earthquake epicenters located in the 90 days preceding the time of the current earthquake occurrence, using the data acquired by the Italian National Seismic Network and by other collaborating networks in Italy and in the neighbouring countries. The radii of the circles representing the epicenters on the map scale with magnitude. The color of each circle depends on the time of occurrence of the earthquakes with respect to the time of generation of the map (red = 1 hour; orange = 24 hours; yellow = 72 hours; blue = all other earthquakes). The open star shows the epicenter of the current earthquake.
Earthquakes since 1985

Earthquakes since 1985

This map reports the Magnitudo ≥ 2.5 earthquake epicenters located using the data acquired by the Italian National Seismic Network and by other collaborating networks in Italy and in the neighbouring countries. The radii of the circles representing the epicenters on the map scale with magnitude. The color of each circle depends on the time of occurrence of the earthquakes with respect to the time of generation of the map (red = 1 hour; orange = 24 hours; yellow = 72 hours; blue = all other earthquakes). The open star shows the epicenter of the current earthquake.
Earthquakes since 1000 AD until 2014

Earthquakes since 1000 AD until 2014

This map shows the epicenters of the historical earthquakes catalogue CPT15 (Catalogo Parametrico dei Terremoti Italiani, 2015 version https://emidius.mi.ingv.it/CPTI15-DBMI15/) with estimated magnitude ≥ 5.0 since 1000 AD until 2014. The epicenters are represented by squares which sides scale with the estimated earthquake magnitude. For earthquakes with magnitude ≥ 6.0, it is also shown the year of occurrence and the magnitude value. The open star shows 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
The earthquake effects in MCS scale as obtained from the compiled questionnaire

The earthquake effects in MCS scale as obtained from the compiled questionnaire

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
ML 2.5 2021-02-11
06:18:18
42.13 13.91 10 2021-02-11
06:27:57
Sala Sismica INGV-Roma 87033331
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-11 06:18:18 ± 0.07
Latitude 42.13 ± 0.00
Longitude 13.91 ± 0.01
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 87033331

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 586
Semi-minor axis of confidence ellipse (meter) 331
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 67
Circular confidence region, given by single value of horizontal uncertainty (meter) 590
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 122
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.60614
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 14
Magnitude information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations 50
Type of magnitude ML
Reference to an origin 87033331
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-11 06:27:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.MTRZ.HNZ. 2021-02-11T06:19:41.35 3.0 undecidable manual Sn 1.85 0
IV.MSAG.HHZ. 2021-02-11T06:18:49.48 3.0 negative manual Pg 2.1 0
OT.OT12.EHZ. 2021-02-11T06:18:48.28 3.0 positive manual Pn 0.6 0
IV.SGRT.HHZ. 2021-02-11T06:18:46.44 3.0 negative manual P 0.86 0
OT.OT05.EHZ. 2021-02-11T06:18:45.28 3.0 positive manual P 0.69 0
IV.CSP1.EHZ. 2021-02-11T06:18:40.17 3.0 undecidable manual P -0.28 0
IV.CESI.HHZ. 2021-02-11T06:18:39.45 3.0 negative manual P -1.61 0
IV.MIDA.HHZ. 2021-02-11T06:18:38.35 0.1 undecidable manual S 152 0.5459 50 0.52 81
IV.TERO.HHZ. 2021-02-11T06:18:38.09 3.0 undecidable manual S -1.23 0
IV.LRP.EHZ. 2021-02-11T06:18:37.87 0.1 undecidable manual S 207 0.536 50 0.32 85
IV.MELA.HHZ. 2021-02-11T06:18:36.75 3.0 negative manual P -2.99 0
IV.NRCA.HHZ. 2021-02-11T06:18:35.87 3.0 negative manual P -1.3 0
IV.POFI.HHZ. 2021-02-11T06:18:34.46 0.1 undecidable manual S 200 0.4344 50 -0.06 92
IV.BSSO.HHZ. 2021-02-11T06:18:34.15 3.0 positive manual P -1.1 0
IV.RM33.EHZ. 2021-02-11T06:18:31.36 3.0 positive manual P -0.49 0
IV.VVLD.HHZ. 2021-02-11T06:18:31.30 0.1 undecidable manual S 220 0.3336 50 -0.26 90
IV.SMA1.EHZ. 2021-02-11T06:18:31.48 3.0 positive manual P -0.87 0
IV.VCEL.EHZ. 2021-02-11T06:18:30.15 0.1 undecidable manual S 349 0.2743 50 0.36 89
IV.GUAR.HHZ. 2021-02-11T06:18:30.03 0.3 positive manual P 234 0.5558 50 0 68
IV.TRIV.HHZ. 2021-02-11T06:18:30.90 3.0 negative manual P -1.25 0
IV.FIAM.HHZ. 2021-02-11T06:18:30.36 0.6 undecidable manual P 284 0.6061 50 -0.54 40
IV.LRP.EHZ. 2021-02-11T06:18:29.28 1.0 undecidable manual P 207 0.536 50 -0.42 21
IV.MIDA.HHZ. 2021-02-11T06:18:29.69 0.6 undecidable manual P 152 0.5459 50 -0.18 44
IV.FAGN.HHZ. 2021-02-11T06:18:29.87 0.1 undecidable manual S 300 0.2815 50 -0.13 94
IV.TERO.HHZ. 2021-02-11T06:18:29.85 3.0 undecidable manual P -0.62 0
IV.RNI2.HHZ. 2021-02-11T06:18:28.80 0.6 positive manual P 157 0.4578 50 0.44 42
IV.LPEL.HNZ. 2021-02-11T06:18:27.36 0.3 undecidable manual S 111 0.2149 113 -0.62 63
IV.POFI.HHZ. 2021-02-11T06:18:27.86 0.1 positive manual P 200 0.4344 50 -0.1 91
IV.PTQR.HHZ. 2021-02-11T06:18:27.05 0.6 positive manual P 255 0.3939 50 -0.22 45
IV.VVLD.HHZ. 2021-02-11T06:18:26.09 0.1 undecidable manual P 220 0.3336 50 -0.16 92
IV.FAGN.HHZ. 2021-02-11T06:18:25.10 0.1 positive manual P 300 0.2815 50 -0.24 91
IV.T0110.HHZ. 2021-02-11T06:18:25.69 0.1 undecidable manual S 316 0.1448 122 0.11 96
IV.VCEL.EHZ. 2021-02-11T06:18:25.30 0.6 negative manual P 349 0.2743 50 0.08 47
IV.INTR.HHZ. 2021-02-11T06:18:24.69 0.1 undecidable manual S 183 0.1142 129 0.1 97
IV.LPEL.HNZ. 2021-02-11T06:18:23.93 0.3 negative manual P 111 0.2149 113 -0.25 69
IV.INTR.HHZ. 2021-02-11T06:18:22.45 0.1 positive manual P 183 0.1142 129 0.23 95
IV.T0110.HHZ. 2021-02-11T06:18:22.92 0.1 positive manual P 316 0.1448 122 0.13 96
IT.SULP.HGZ. 2021-02-11T06:18:22.85 0.1 undecidable manual S 165 0.0414 155 0.02 100
IT.SULP.HGZ. 2021-02-11T06:18:21.31 0.1 positive manual P 165 0.0414 155 0.11 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.INTR.HNE. ML:2.7 0.0054 0.28 AML other m 2021-02-11T06:18:25.19
IV.INTR.HHE. ML:2.7 0.00553 0.3 AML other m 2021-02-11T06:18:25.18
IV.INTR.HHN. ML:2.9 0.008575 1.02 AML other m 2021-02-11T06:18:25.91
IV.INTR.HNN. ML:2.9 0.0083 1.02 AML other m 2021-02-11T06:18:25.91
IV.T0110.HHN. ML:2.6 0.003565 1.58 AML other m 2021-02-11T06:18:25.84
IV.T0110.HHE. ML:2.7 0.00407 0.68 AML other m 2021-02-11T06:18:26.11
IV.LPEL.HHE. ML:3.3 0.0126 0.48 AML other m 2021-02-11T06:18:28.41
IV.LPEL.HNE. ML:3.2 0.01121 0.48 AML other m 2021-02-11T06:18:28.42
IV.LPEL.HNN. ML:3.1 0.007315 0.78 AML other m 2021-02-11T06:18:29.73
IV.LPEL.HHN. ML:3.1 0.008385 0.78 AML other m 2021-02-11T06:18:29.73
IV.VCEL.EHE. ML:2.6 0.001855 0.16 AML other m 2021-02-11T06:18:31.62
IV.VCEL.EHN. ML:2.7 0.002155 0.2 AML other m 2021-02-11T06:18:31.70
IV.VVLD.HHN. ML:2.9 0.00295 0.34 AML other m 2021-02-11T06:18:31.63
IV.VVLD.HNN. ML:2.9 0.002835 0.34 AML other m 2021-02-11T06:18:31.63
IV.FAGN.HHE. ML:2.7 0.00255 1.32 AML other m 2021-02-11T06:18:32.08
IV.FAGN.HHN. ML:2.5 0.001565 1.06 AML other m 2021-02-11T06:18:32.94
IV.VVLD.HNE. ML:2.6 0.00161 0.18 AML other m 2021-02-11T06:18:33.01
IV.VVLD.HHE. ML:2.6 0.001645 0.18 AML other m 2021-02-11T06:18:33.01
IV.PTQR.HHN. ML:2.2 0.0004805 0.24 AML other m 2021-02-11T06:18:36.63
IV.POFI.HHE. ML:2.2 0.0004255 0.44 AML other m 2021-02-11T06:18:36.69
IV.POFI.HHN. ML:2.3 0.000501 1.22 AML other m 2021-02-11T06:18:36.13
IV.LRP.EHN. ML:2 0.0001945 0.22 AML other m 2021-02-11T06:18:38.25
IV.PTQR.HHE. ML:2.1 0.0003575 0.36 AML other m 2021-02-11T06:18:38.21
IV.RNI2.HNN. ML:2.4 0.000715 0.12 AML other m 2021-02-11T06:18:38.60
IV.RNI2.HHN. ML:2.5 0.0007585 0.12 AML other m 2021-02-11T06:18:38.60
IV.GUAR.HHE. ML:2.3 0.0003825 0.38 AML other m 2021-02-11T06:18:39.50
IV.RNI2.HNE. ML:2.4 0.0007435 0.16 AML other m 2021-02-11T06:18:39.78
IV.RNI2.HHE. ML:2.5 0.000809 0.86 AML other m 2021-02-11T06:18:39.78
IV.GUAR.HHN. ML:2.4 0.000488 0.24 AML other m 2021-02-11T06:18:39.97
IV.MIDA.HHN. ML:2.6 0.0009265 0.5 AML other m 2021-02-11T06:18:40.10
IV.TERO.HHN. ML:2.3 0.0003865 0.3 AML other m 2021-02-11T06:18:40.60
IV.TERO.HHE. ML:2 0.000214 0.3 AML other m 2021-02-11T06:18:40.68
IV.TERO.HNE. ML:2.2 0.0003475 0.18 AML other m 2021-02-11T06:18:40.59
IV.MIDA.HNE. ML:2.6 0.000889 0.48 AML other m 2021-02-11T06:18:41.11
IV.LRP.EHE. ML:2.3 0.0004115 1.1 AML other m 2021-02-11T06:18:41.31
IV.FIAM.HHE. ML:1.8 0.0001042 0.48 AML other m 2021-02-11T06:18:41.94
IV.MIDA.HNN. ML:2.4 0.0005285 1.58 AML other m 2021-02-11T06:18:41.94
IV.MIDA.HHE. ML:2.4 0.000563 0.44 AML other m 2021-02-11T06:18:41.96
IV.FIAM.HHN. ML:1.8 0.0001215 0.42 AML other m 2021-02-11T06:18:44.66
IV.TERO.HNN. ML:2.2 0.0003415 0.26 AML other m 2021-02-11T06:18:45.43
IV.SMA1.EHE. ML:2.2 0.0002495 1.06 AML other m 2021-02-11T06:18:49.07
IV.RM33.EHN. ML:2.1 0.000184 1.42 AML other m 2021-02-11T06:18:49.91
IV.SMA1.EHN. ML:2.2 0.0002205 1.08 AML other m 2021-02-11T06:18:50.68
IV.RM33.EHE. ML:2.2 0.0002385 0.92 AML other m 2021-02-11T06:18:50.49
IV.NRCA.HHE. ML:2.3 0.000194 0.14 AML other m 2021-02-11T06:18:52.01
IV.NRCA.HHN. ML:2.2 0.000145 1.52 AML other m 2021-02-11T06:18:53.08
IV.CSP1.EHN. ML:2.6 0.000319 1.04 AML other m 2021-02-11T06:19:04.74
IV.CSP1.EHE. ML:2.6 0.000282 0.42 AML other m 2021-02-11T06:19:06.00
IV.MTRZ.HNE. ML:3.9 0.000835 0.78 AML other m 2021-02-11T06:19:10.50
IV.MTRZ.HNN. ML:4.3 0.0024275 0.64 AML other m 2021-02-11T06:19:58.79
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Focal Mechanisms

Focal Mechanisms

This map reports the focal mechanisms since 1977 in the region. The white and red beach ball symbols are mechanisms determined using the Regional Centroid Moment Tensor (RCMT, http://www.bo.ingv.it/RCMT) and are determined for earthquakes with magnitude larger than 4.5 in the Euro-Mediterranenan area. Occasionally, when there is a good source-receiver geometry of the target earthquake, the RCMT can be obtained also for earthquakes with magnitude larger than 4.0. The blue and white beach ball symbols indicate the mechanisms obtained from application of the Time Domain Moment Tensor (TDMT, http://terremoti.ingv.it/tdmt.html). This technique is used for M ≥ 3.5. The size of the beach ball sysmbol 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