Earthquake with magnitude of ML 1.4 on date 19-04-2020 and time 21:11:20 (Italy) in region 1 km S Roccacasale (AQ)

A magnitude ML 1.4 earthquake occured in region: 1 km S Roccacasale (AQ), on

  • 19-04-2020 19:11:20 (UTC)
  • 19-04-2020 21:11:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.1100, 13.8910 at 22 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
Roccacasale AQ 1 693 693
Pratola Peligna AQ 2 7577 8270
Corfinio AQ 4 1051 9321
Vittorito AQ 6 873 10194
Raiano AQ 7 2815 13009
Sulmona AQ 7 24557 37566
Prezza AQ 7 945 38511
Popoli PE 8 5172 43683
Salle PE 9 308 43991
Bugnara AQ 10 1125 45116
Goriano Sicoli AQ 10 569 45685
Caramanico Terme PE 11 1929 47614
Pacentro AQ 11 1174 48788
Introdacqua AQ 11 2126 50914
Sant'Eufemia a Maiella PE 12 278 51192
Tocco da Casauria PE 12 2688 53880
Castel di Ieri AQ 12 303 54183
Bussi sul Tirino PE 12 2518 56701
Cocullo AQ 13 230 56931
San Benedetto in Perillis AQ 13 113 57044
Bolognano PE 13 1108 58152
Molina Aterno AQ 14 386 58538
Castelvecchio Subequo AQ 14 982 59520
Castiglione a Casauria PE 14 831 60351
Anversa degli Abruzzi AQ 15 341 60692
Cansano AQ 15 274 60966
Collepietro AQ 15 237 61203
Torre de' Passeri PE 15 3147 64350
Gagliano Aterno AQ 16 254 64604
San Valentino in Abruzzo Citeriore PE 16 1922 66526
Roccamorice PE 16 939 67465
Acciano AQ 16 327 67792
Pescosansonesco PE 16 517 68309
Abbateggio PE 16 400 68709
Pettorano sul Gizio AQ 16 1376 70085
Campo di Giove AQ 17 803 70888
Secinaro AQ 18 359 71247
Ortona dei Marsi AQ 18 542 71789
Lettomanoppello PE 19 2975 74764
Pietranico PE 19 484 75248
Corvara PE 19 256 75504
Navelli AQ 19 554 76058
Villalago AQ 20 568 76626
Scafa PE 20 3759 80385

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km SW of Chieti (51815 inhabitants)
48 Km SW of Pescara (121014 inhabitants)
49 Km SE of L'Aquila (69753 inhabitants)
50 Km SW of Montesilvano (53738 inhabitants)
63 Km S of Teramo (54892 inhabitants)
92 Km E of Tivoli (56533 inhabitants)
97 Km E of Guidonia Montecelio (88673 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
Bulletin
Rev1000
ML 1.4 2020-04-19
19:11:20
42.1103 13.8912 22 2020-07-18
21:08:34
Bollettino Sismico Italiano INGV 78440401
Reviewed
Rev100
ML 1.4 2020-04-19
19:11:20
42.1077 13.8943 22 2020-04-19
19:16:04
Sala Sismica INGV-Roma 78396051
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-19 19:11:20 ± 0.11
Latitude 42.1103 ± 0.0036
Longitude 13.8912 ± 0.0061
Depth (km) 22 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 78440401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 471
Semi-minor axis of confidence ellipse (meter) 160
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 294
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 113
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.41459
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 78440401
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-04-21 10:13:45

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 78396051
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-19 19:16:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ROM9.HNZ. 2020-04-19T19:11:53.62 3.0 undecidable manual S -0.01 0
IV.POFI.HHZ. 2020-04-19T19:11:35.52 0.3 undecidable manual S 199 46.0206 108 0.21 70
IV.PTQR.HHZ. 2020-04-19T19:11:34.06 0.6 undecidable manual S 257 41.5251 111 -0.13 49
IV.VCEL.EHZ. 2020-04-19T19:11:32.26 0.6 undecidable manual S 353 31.8459 118 0.45 46
IV.VVLD.HHZ. 2020-04-19T19:11:32.51 0.3 undecidable manual S 220 34.6431 115 0.02 74
IV.FAGN.HHZ. 2020-04-19T19:11:31.32 0.6 undecidable manual S 304 30.5472 119 -0.2 49
IV.POFI.HHZ. 2020-04-19T19:11:29.20 0.1 undecidable manual P 199 46.0206 108 0.33 92
IV.LPEL.HHZ. 2020-04-19T19:11:29.93 0.3 undecidable manual S 106 25.0527 125 -0.34 70
IV.T0110.HHZ. 2020-04-19T19:11:28.43 0.3 undecidable manual S 324 16.2726 139 -0.09 77
IV.VVLD.HHZ. 2020-04-19T19:11:27.20 0.1 undecidable manual P 220 34.6431 115 -0.04 99
IT.SULC.HNZ. 2020-04-19T19:11:27.09 0.3 undecidable manual S 163 4.8951 166 -0.01 79
IT.SULP.HGZ. 2020-04-19T19:11:27.07 0.3 undecidable manual S 133 4.0959 168 0.02 78
IV.PTQR.HHZ. 2020-04-19T19:11:27.91 0.3 undecidable manual P 257 41.5251 111 -0.32 70
IT.SULA.HNZ. 2020-04-19T19:11:27.31 0.3 undecidable manual S 153 4.5954 167 0.23 75
IV.FAGN.HHZ. 2020-04-19T19:11:26.48 0.3 undecidable manual P 304 30.5472 119 -0.2 73
IV.VCEL.EHZ. 2020-04-19T19:11:26.99 0.6 undecidable manual P 353 31.8459 118 0.15 49
IV.LPEL.HHZ. 2020-04-19T19:11:25.93 0.1 undecidable manual P 106 25.0527 125 -0.03 100
IV.T0110.HHZ. 2020-04-19T19:11:24.87 0.3 undecidable manual P 324 16.2726 139 -0.08 76
IT.SULA.HNZ. 2020-04-19T19:11:24.19 0.3 undecidable manual P 153 4.5954 167 0.07 78
IT.SULC.HNZ. 2020-04-19T19:11:24.17 0.3 undecidable manual P 163 4.8951 166 0.04 78
IT.SULP.HGZ. 2020-04-19T19:11:24.05 0.3 undecidable manual P 133 4.0959 168 -0.05 78
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.T0110.HHN. ML:1.5 0.000185 0.24 AML other m 2020-04-19T19:11:28.73
IV.T0110.HHE. ML:1.5 0.000166 0.22 AML other m 2020-04-19T19:11:29.69
IV.FAGN.HHE. ML:1.6 0.00014549999999999999 1.58 AML other m 2020-04-19T19:11:32.94
IV.FAGN.HHN. ML:1.5 0.0001206 0.58 AML other m 2020-04-19T19:11:32.38
IV.VVLD.HHE. ML:1.5 0.0001003 0.2 AML other m 2020-04-19T19:11:32.73
IV.VVLD.HHN. ML:1.4 0.00009445 0.16 AML other m 2020-04-19T19:11:32.72
IV.VCEL.EHE. ML:1.3 0.00007680000000000001 0.12 AML other m 2020-04-19T19:11:32.82
IV.VCEL.EHN. ML:1.3 0.0000825 1.22 AML other m 2020-04-19T19:11:35.67
IV.POFI.HHN. ML:0.8 0.000014639999999999999 0.2 AML other m 2020-04-19T19:11:36.11
IV.POFI.HHE. ML:0.9 0.00001875 0.6 AML other m 2020-04-19T19:11:36.40
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