Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.6 on date 08-04-2019 and time 02:50:04 (Italy) in region 3 km SE Rocca di Mezzo (AQ)

A magnitude ML 0.6 earthquake occured in region: 3 km SE Rocca di Mezzo (AQ), on

  • 08-04-2019 00:50:04 (UTC)
  • 08-04-2019 02:50:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.1850, 13.5320 at 12 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Rocca di Mezzo AQ 3 1526 1526
Ovindoli AQ 6 1227 2753
Rocca di Cambio AQ 7 533 3286
Fontecchio AQ 8 369 3655
Fagnano Alto AQ 9 418 4073
Tione degli Abruzzi AQ 9 310 4383
Villa Sant'Angelo AQ 10 424 4807
Celano AQ 11 11017 15824
Sant'Eusanio Forconese AQ 12 394 16218
San Demetrio ne' Vestini AQ 12 1854 18072
Ocre AQ 12 1167 19239
Prata d'Ansidonia AQ 12 496 19735
Fossa AQ 13 721 20456
Aielli AQ 13 1475 21931
Secinaro AQ 13 359 22290
Caporciano AQ 14 230 22520
Massa d'Albe AQ 14 1476 23996
Cerchio AQ 15 1635 25631
Poggio Picenze AQ 15 1136 26767
San Pio delle Camere AQ 15 661 27428
Gagliano Aterno AQ 15 254 27682
Acciano AQ 16 327 28009
Collarmele AQ 16 894 28903
Barisciano AQ 17 1828 30731
Magliano de' Marsi AQ 17 3690 34421
Castelvecchio Subequo AQ 17 982 35403
Molina Aterno AQ 17 386 35789
Navelli AQ 17 554 36343
Carapelle Calvisio AQ 18 87 36430
Castel di Ieri AQ 19 303 36733
Avezzano AQ 19 42515 79248
Castelvecchio Calvisio AQ 19 153 79401
San Benedetto in Perillis AQ 20 113 79514
Lucoli AQ 20 1011 80525
Santo Stefano di Sessanio AQ 20 111 80636

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km SE of L'Aquila (69753 inhabitants)
55 Km S of Teramo (54892 inhabitants)
56 Km W of Chieti (51815 inhabitants)
63 Km SW of Montesilvano (53738 inhabitants)
64 Km W of Pescara (121014 inhabitants)
65 Km E of Tivoli (56533 inhabitants)
70 Km E of Guidonia Montecelio (88673 inhabitants)
83 Km NE of Velletri (53303 inhabitants)
84 Km SE of Terni (111501 inhabitants)
92 Km E of Roma (2864731 inhabitants)
95 Km NE of Latina (125985 inhabitants)
98 Km NE of Aprilia (73446 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 0.6 2019-04-08
00:50:04		 42.1852 13.5318 12 2019-08-22
08:24:55		 Bollettino Sismico Italiano INGV 67400521
Reviewed
Rev100 		ML 0.8 2019-04-08
00:50:04		 42.1843 13.5212 11 2019-04-08
01:02:13		 Sala Sismica INGV-Roma 67357331
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-04-08 00:50:04 ± 0.05
Latitude 42.1852 ± 0.0027
Longitude 13.5318 ± 0.0049
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 67400521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 439
Semi-minor axis of confidence ellipse (meter) 92
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 80
Circular confidence region, given by single value of horizontal uncertainty (meter) 440.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 74
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.44067
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 67357331
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-04-08 01:02:13

ML:0.6

Field Value
Value 0.6
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 67400521
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-04-09 07:23:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHN. 2019-04-08T00:50:19.59 0.6 undecidable manual S 7 48.9177 92 -0.59 41
IV.RM33.HNE. 2019-04-08T00:50:18.61 1.0 undecidable manual S 324 44.3223 92 -0.36 22
IV.CAMP.HHE. 2019-04-08T00:50:17.84 0.6 undecidable manual S 346 40.1265 93 -0.01 48
IV.INTR.HHZ. 2019-04-08T00:50:16.87 0.3 undecidable manual S 122 36.2415 93 0.07 72
IV.FIAM.HNN. 2019-04-08T00:50:16.23 0.3 undecidable manual S 285 35.2425 93 -0.32 68
IV.VCEL.EHZ. 2019-04-08T00:50:16.55 0.6 undecidable manual S 47 34.3434 93 0.24 46
IV.VVLD.HHZ. 2019-04-08T00:50:16.56 0.3 undecidable manual S 168 35.8419 93 -0.13 69
IT.SULP.HGN. 2019-04-08T00:50:16.51 0.6 undecidable manual S 109 34.3434 93 0.2 47
IV.GIGS.HHZ. 2019-04-08T00:50:14.71 0.3 undecidable manual S 6 29.9478 94 -0.41 67
IV.RM33.HNE. 2019-04-08T00:50:13.26 0.1 undecidable manual P 324 44.3223 92 0.34 88
IV.TERO.HHN. 2019-04-08T00:50:13.39 1.0 undecidable manual P 7 48.9177 92 -0.24 22
MN.AQU.HHE. 2019-04-08T00:50:13.19 0.6 undecidable manual S 331 21.4674 98 0.32 46
IV.CAMP.HHE. 2019-04-08T00:50:12.63 1.0 undecidable manual P 346 40.1265 93 0.35 22
IV.PTQR.HHZ. 2019-04-08T00:50:12.82 0.3 undecidable manual S 211 21.0678 98 0.04 74
IT.SULP.HGN. 2019-04-08T00:50:11.00 1.0 undecidable manual P 109 34.3434 93 -0.39 22
IV.INTR.HHZ. 2019-04-08T00:50:11.48 0.1 undecidable manual P 122 36.2415 93 -0.19 91
IV.FIAM.HNN. 2019-04-08T00:50:11.61 0.6 undecidable manual P 285 35.2425 93 0.08 47
IV.VCEL.EHZ. 2019-04-08T00:50:11.58 0.1 negative manual P 47 34.3434 93 0.19 93
IV.VVLD.HHZ. 2019-04-08T00:50:11.57 0.1 undecidable manual P 168 35.8419 93 -0.04 94
IV.GIGS.HHZ. 2019-04-08T00:50:10.56 1.0 undecidable manual P 6 29.9478 94 -0.14 24
IV.FAGN.HHZ. 2019-04-08T00:50:10.01 0.3 undecidable manual S 26 9.879 128 0 75
MN.AQU.HHE. 2019-04-08T00:50:09.58 0.1 undecidable manual P 331 21.4674 98 0.18 95
IV.RMP.HHZ. 2019-04-08T00:50:09.16 3.0 positive manual P -0.08 0
IV.PTQR.HHZ. 2019-04-08T00:50:09.37 0.1 positive manual P 211 21.0678 98 0.02 98
IV.FAGN.HHZ. 2019-04-08T00:50:07.78 0.1 positive manual P 26 9.879 128 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FAGN.HHE. ML:1.0 0.0001048 0.28 AML other m 2019-04-08T00:50:10.36
IV.FAGN.HHN. ML:1.2 0.00016599999999999997 0.18 AML other m 2019-04-08T00:50:11.57
IV.PTQR.HHN. ML:0.7 0.0000287 1.2 AML other m 2019-04-08T00:50:13.27
IV.PTQR.HHE. ML:0.7 0.0000317 1 AML other m 2019-04-08T00:50:13.58
IV.GIGS.HHE. ML:0.0 0.0000039423805000000006 0 AML other m 2019-04-08T00:50:15.01
IV.GIGS.HHN. ML:0.0 0.000002605865905 0.08 AML other m 2019-04-08T00:50:15.66
IV.INTR.HHN. ML:0.7 0.000018687954999999998 0.2 AML other m 2019-04-08T00:50:18.13
IV.INTR.HHE. ML:0.1 0.000005190024 0.12 AML other m 2019-04-08T00:50:17.58
IV.VCEL.EHE. ML:0.8 0.000023388225 0.12 AML other m 2019-04-08T00:50:17.48
IV.VCEL.EHN. ML:0.7 0.000021966784 0.1 AML other m 2019-04-08T00:50:17.50
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