Earthquake with magnitude of ML 1.6 on date 25-04-2020 and time 08:39:03 (UTC) in region 4 km SE Roccacasale (AQ)

A magnitude ML 1.6 earthquake occured in region: 4 km SE Roccacasale (AQ), on

  • 25-04-2020 08:39:03 (UTC)
  • 25-04-2020 10:39:03 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.0950, 13.9300 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
Roccacasale AQ 5 693 693
Pratola Peligna AQ 5 7577 8270
Sulmona AQ 5 24557 32827
Pacentro AQ 7 1174 34001
Corfinio AQ 8 1051 35052
Sant'Eufemia a Maiella PE 9 278 35330
Prezza AQ 9 945 36275
Caramanico Terme PE 9 1929 38204
Salle PE 10 308 38512
Vittorito AQ 10 873 39385
Introdacqua AQ 10 2126 41511
Bugnara AQ 10 1125 42636
Raiano AQ 10 2815 45451
Popoli PE 12 5172 50623
Cansano AQ 12 274 50897
Goriano Sicoli AQ 13 569 51466
Campo di Giove AQ 13 803 52269
Pettorano sul Gizio AQ 14 1376 53645
Tocco da Casauria PE 14 2688 56333
Bolognano PE 14 1108 57441
Cocullo AQ 14 230 57671
Anversa degli Abruzzi AQ 15 341 58012
Bussi sul Tirino PE 15 2518 60530
Roccamorice PE 15 939 61469
Castel di Ieri AQ 16 303 61772
Abbateggio PE 16 400 62172
Castiglione a Casauria PE 16 831 63003
San Valentino in Abruzzo Citeriore PE 16 1922 64925
San Benedetto in Perillis AQ 16 113 65038
Torre de' Passeri PE 17 3147 68185
Molina Aterno AQ 17 386 68571
Castelvecchio Subequo AQ 17 982 69553
Pescosansonesco PE 18 517 70070
Lettomanoppello PE 18 2975 73045
Rocca Pia AQ 18 178 73223
Collepietro AQ 19 237 73460
Gagliano Aterno AQ 19 254 73714
Villalago AQ 19 568 74282
Acciano AQ 20 327 74609
Ortona dei Marsi AQ 20 542 75151

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km SW of Chieti (51815 inhabitants)
47 Km SW of Pescara (121014 inhabitants)
50 Km SW of Montesilvano (53738 inhabitants)
52 Km SE of L'Aquila (69753 inhabitants)
65 Km S of Teramo (54892 inhabitants)
95 Km E of Tivoli (56533 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 1.6 2020-04-25
08:39:03
42.0953 13.93 10 2020-07-18
21:08:36
Bollettino Sismico Italiano INGV 79135081
Reviewed
Rev100
ML 1.7 2020-04-25
08:39:03
42.0967 13.9502 10 2020-04-25
08:47:52
Sala Sismica INGV-Roma 78569001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-25 08:39:03 ± 0.07
Latitude 42.0953 ± 0.0036
Longitude 13.9300 ± 0.0073
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 79135081

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 611
Semi-minor axis of confidence ellipse (meter) 374
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 68
Circular confidence region, given by single value of horizontal uncertainty (meter) 610.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 116
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.01079
Epicentral distance of station farthest from the epicenter (degree) 0.51531
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 28
Type of magnitude ML
Reference to an origin 78569001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-25 08:47:52

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 31
Type of magnitude ML
Reference to an origin 79135081
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-05-14 16:53:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LRP.EHZ. 2020-04-25T08:39:21.51 0.6 undecidable manual S 210 57.1983 50 0.04 46
IV.MIDA.HHZ. 2020-04-25T08:39:21.82 0.3 undecidable manual S 152 56.9985 50 0.42 63
IV.RNI2.HHZ. 2020-04-25T08:39:19.75 0.6 undecidable manual S 157 47.2194 50 0.96 35
IV.GIGS.HHZ. 2020-04-25T08:39:19.36 0.3 undecidable manual S 324 49.3173 50 -0.01 70
IV.POFI.HHZ. 2020-04-25T08:39:18.21 0.3 undecidable manual S 203 45.621 50 -0.16 68
IV.PTQR.HHZ. 2020-04-25T08:39:17.39 0.6 undecidable manual S 260 44.3223 50 -0.64 40
IV.VCEL.EHZ. 2020-04-25T08:39:15.52 0.3 undecidable manual S 348 34.0437 50 0.25 68
IV.VVLD.HHZ. 2020-04-25T08:39:15.61 0.3 undecidable manual S 225 35.6421 50 -0.08 71
IT.OPI.HGE. 2020-04-25T08:39:15.53 0.6 undecidable manual S 193 36.3414 50 -0.36 44
IV.FAGN.HHZ. 2020-04-25T08:39:15.58 0.3 undecidable manual S 304 34.1436 50 0.26 68
IV.MIDA.HHZ. 2020-04-25T08:39:13.64 0.1 undecidable manual P 152 56.9985 50 -0.14 90
IV.LRP.EHZ. 2020-04-25T08:39:13.56 0.1 undecidable manual P 210 57.1983 50 -0.26 87
IV.RNI2.HHZ. 2020-04-25T08:39:13.21 0.1 undecidable manual P 157 47.2194 50 0.93 71
IV.GIGS.HHZ. 2020-04-25T08:39:12.42 0.1 undecidable manual P 324 49.3173 50 -0.19 90
IV.T0110.HHZ. 2020-04-25T08:39:11.12 0.3 undecidable manual S 320 19.5693 116 0.22 71
IV.PTQR.HHZ. 2020-04-25T08:39:11.81 0.1 undecidable manual P 260 44.3223 50 -0.03 94
IV.POFI.HHZ. 2020-04-25T08:39:11.88 0.1 undecidable manual P 203 45.621 50 -0.15 91
IV.FAGN.HHZ. 2020-04-25T08:39:10.21 0.3 undecidable manual P 304 34.1436 50 -0.06 71
IV.VCEL.EHZ. 2020-04-25T08:39:10.16 0.1 undecidable manual P 348 34.0437 50 -0.08 95
IV.LPEL.HHZ. 2020-04-25T08:39:10.96 0.3 undecidable manual S 104 21.5673 114 -0.57 65
IV.VVLD.HHZ. 2020-04-25T08:39:10.28 0.1 undecidable manual P 225 35.6421 50 -0.21 92
IT.OPI.HGE. 2020-04-25T08:39:10.25 0.6 undecidable manual P 193 36.3414 50 -0.35 44
IV.INTR.HHZ. 2020-04-25T08:39:08.29 0.3 undecidable manual S 193 9.4794 135 0.26 71
IV.LPEL.HHZ. 2020-04-25T08:39:07.76 0.3 positive manual P 104 21.5673 114 -0.33 69
IV.T0110.HHZ. 2020-04-25T08:39:07.86 0.1 undecidable manual P 320 19.5693 116 0.14 96
IT.SULA.HNZ. 2020-04-25T08:39:06.81 0.3 undecidable manual S 204 2.6973 164 0.03 76
IT.SULC.HNZ. 2020-04-25T08:39:06.97 0.3 undecidable manual S 210 3.4965 160 0.1 74
IT.SULP.HGZ. 2020-04-25T08:39:06.32 0.3 undecidable manual S 191 1.1988 173 -0.36 71
IV.INTR.HHZ. 2020-04-25T08:39:06.35 0.1 positive manual P 193 9.4794 135 0.29 95
IT.SULP.HGZ. 2020-04-25T08:39:05.20 0.1 undecidable manual P 191 1.1988 173 -0.08 100
IT.SULA.HNZ. 2020-04-25T08:39:05.46 0.3 undecidable manual P 204 2.6973 164 0.12 74
IT.SULC.HNZ. 2020-04-25T08:39:05.53 0.1 undecidable manual P 210 3.4965 160 0.14 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.INTR.HHN. ML:2.3 0.0028267735 0.1792 AML other m 2020-04-25T08:39:08.44
IV.INTR.HNN. ML:2.3 0.00267134 0.1728 AML other m 2020-04-25T08:39:08.54
IV.INTR.HHE. ML:2.0 0.0013840455 0.1408 AML other m 2020-04-25T08:39:08.52
IV.INTR.HNE. ML:2.0 0.00137683585 0.1536 AML other m 2020-04-25T08:39:08.60
IV.LPEL.HNN. ML:1.8 0.0004317197 0.1856 AML other m 2020-04-25T08:39:12.12
IV.LPEL.HHN. ML:1.8 0.0004974520999999999 0.1856 AML other m 2020-04-25T08:39:12.12
IV.LPEL.HHE. ML:1.8 0.000450196 0.1024 AML other m 2020-04-25T08:39:12.39
IV.LPEL.HNE. ML:1.8 0.00040058655 0.1024 AML other m 2020-04-25T08:39:12.39
IV.T0110.HHN. ML:1.6 0.000282513 0.2176 AML other m 2020-04-25T08:39:14.30
IV.T0110.HHE. ML:1.7 0.00040156459999999997 0.32 AML other m 2020-04-25T08:39:14.40
IV.VCEL.EHE. ML:1.7 0.00022517415 0.3776 AML other m 2020-04-25T08:39:15.94
IV.VVLD.HNE. ML:1.5 0.00011417145 0.1344 AML other m 2020-04-25T08:39:16.07
IV.VVLD.HHN. ML:1.6 0.00013766020000000002 0.1984 AML other m 2020-04-25T08:39:16.21
IV.VVLD.HNN. ML:1.5 0.000128242825 0.2112 AML other m 2020-04-25T08:39:16.22
IV.VCEL.EHN. ML:1.7 0.0001942639 1.8016 AML other m 2020-04-25T08:39:17.03
IV.FAGN.HHE. ML:1.8 0.0002483704 0.3392 AML other m 2020-04-25T08:39:17.24
IV.VVLD.HHE. ML:1.5 0.00012159128999999999 0.16 AML other m 2020-04-25T08:39:17.44
IV.PTQR.HHN. ML:1.1 0.000040590025000000004 0.2176 AML other m 2020-04-25T08:39:18.81
IV.POFI.HHN. ML:1.4 0.000080994125 0.3008 AML other m 2020-04-25T08:39:19.14
IV.POFI.HHE. ML:1.4 0.00007937603 0.2624 AML other m 2020-04-25T08:39:19.46
IV.GIGS.HHE. ML:0.6 0.0000120836955 0.1216 AML other m 2020-04-25T08:39:20.73
IV.FAGN.HHN. ML:1.6 0.00017784994999999997 0.2816 AML other m 2020-04-25T08:39:21.56
IV.LRP.EHN. ML:1.1 0.00002417708 0.3392 AML other m 2020-04-25T08:39:21.92
IV.GIGS.HHN. ML:0.9 0.0000175335 0.32 AML other m 2020-04-25T08:39:22.25
IV.MIDA.HNE. ML:1.8 0.0001273066 0.2432 AML other m 2020-04-25T08:39:22.71
IV.MIDA.HHN. ML:1.8 0.00013484199999999998 0.2432 AML other m 2020-04-25T08:39:22.84
IV.PTQR.HHE. ML:1.1 0.00003252977 0.2624 AML other m 2020-04-25T08:39:23.19
IV.MIDA.HHE. ML:1.6 0.00008049615000000001 0.2048 AML other m 2020-04-25T08:39:24.55
IV.LRP.EHE. ML:1.5 0.000071546725 0.2624 AML other m 2020-04-25T08:39:25.61
IV.RNI2.HHE. ML:1.6 0.00010634662 0.1792 AML other m 2020-04-25T08:39:21.81
IV.RNI2.HNE. ML:1.6 0.00010800815 0.1792 AML other m 2020-04-25T08:39:21.72
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