Earthquake with magnitude of ML 0.4 on date 20-04-2019 and time 09:22:20 (UTC) in region 3 km NE Capitignano (AQ)

A magnitude ML 0.4 earthquake occured in region: 3 km NE Capitignano (AQ), on

  • 20-04-2019 09:22:20 (UTC)
  • 20-04-2019 11:22:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5330, 13.3280 at 11 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
Capitignano AQ 3 665 665
Campotosto AQ 5 542 1207
Montereale AQ 7 2581 3788
Barete AQ 10 737 4525
Pizzoli AQ 11 4326 8851
Amatrice RI 11 2657 11508
Cagnano Amiterno AQ 12 1369 12877
Crognaleto TE 13 1297 14174
Borbona RI 16 617 14791
Cittareale RI 17 482 15273
Fano Adriano TE 17 296 15569
Cortino TE 18 656 16225
Pietracamela TE 19 271 16496
Scoppito AQ 19 3727 20223
Posta RI 19 694 20917
Accumoli RI 19 667 21584

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km N of L'Aquila (69753 inhabitants)
34 Km W of Teramo (54892 inhabitants)
56 Km E of Terni (111501 inhabitants)
67 Km W of Montesilvano (53738 inhabitants)
69 Km SE of Foligno (57155 inhabitants)
72 Km W of Chieti (51815 inhabitants)
73 Km W of Pescara (121014 inhabitants)
77 Km NE of Tivoli (56533 inhabitants)
77 Km NE of Guidonia Montecelio (88673 inhabitants)
99 Km NE of Roma (2864731 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 0.4 2019-04-20
09:22:20
42.5333 13.3277 11 2019-08-22
08:25:11
Bollettino Sismico Italiano INGV 70883021
Reviewed
Rev100
ML 0.5 2019-04-20
09:22:19
42.6127 13.2913 9 2019-04-20
09:36:42
Sala Sismica INGV-Roma 67777301
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-04-20 09:22:20 ± 0.09
Latitude 42.5333 ± 0.0063
Longitude 13.3277 ± 0.0049
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 70883021

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 711
Semi-minor axis of confidence ellipse (meter) 439
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 176
Circular confidence region, given by single value of horizontal uncertainty (meter) 710.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 166
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.33815
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 70883021
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-07-26 00:58:38

ML:0.5

Field Value
Value 0.5
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 67777301
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-04-20 09:36:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SALB.HHZ. 2019-04-20T09:24:09.27 3.0 undecidable manual Sg 19.51 0
IV.TDS.HHZ. 2019-04-20T09:24:03.70 3.0 undecidable manual Sg 10.15 0
IV.SPS2.HHZ. 2019-04-20T09:24:01.09 3.0 undecidable manual Sn 0.59 0
IV.MILN.HHZ. 2019-04-20T09:24:00.66 3.0 undecidable manual Sn 3.55 0
GU.PCP.HHZ. 2019-04-20T09:23:50.52 3.0 undecidable manual Sn -1.27 0
IV.ROVR.HHZ. 2019-04-20T09:23:39.44 3.0 undecidable manual Sn -3.61 0
TV.SU26.HHZ. 2019-04-20T09:23:31.17 3.0 undecidable manual Pg 9.32 0
IV.EUCT.HNZ. 2019-04-20T09:23:20.14 3.0 negative manual Pg 10.8 0
IV.PTCC.HHZ. 2019-04-20T09:23:12.96 3.0 undecidable manual Pn 2.48 0
IV.CELI.HHZ. 2019-04-20T09:23:07.97 3.0 undecidable manual Pn -5.28 0
IV.TDS.HHZ. 2019-04-20T09:23:05.33 3.0 undecidable manual Pn -4.06 0
IV.PAOL.HHZ. 2019-04-20T09:23:01.33 3.0 undecidable manual Sn -5.34 0
IV.MIDA.HHZ. 2019-04-20T09:22:57.72 3.0 undecidable manual Sg 5.68 0
IT.VNF1.HGZ. 2019-04-20T09:22:52.79 3.0 undecidable manual Sn 0.58 0
IV.SENI.HNZ. 2019-04-20T09:22:49.08 3.0 undecidable manual Sn -0.86 0
IV.FIR.HHZ. 2019-04-20T09:22:49.03 3.0 undecidable manual Pg 8.25 0
IT.AVL.HGZ. 2019-04-20T09:22:45.84 3.0 positive manual Pn 0.19 0
IT.FIE.HGZ. 2019-04-20T09:22:43.79 3.0 undecidable manual Pg 2.95 0
IV.APEC.HHZ. 2019-04-20T09:22:42.03 3.0 undecidable manual Sn -5.17 0
IV.MIDA.HHZ. 2019-04-20T09:22:36.45 3.0 undecidable manual Pn 1.62 0
IV.ATFO.HHZ. 2019-04-20T09:22:33.00 3.0 positive manual Pg 3.8 0
IV.PE3.EHZ. 2019-04-20T09:22:32.39 3.0 undecidable manual Pn -1.3 0
IV.NRCA.HNZ. 2019-04-20T09:22:32.45 0.3 undecidable manual S 332 37.5291 50 -0.11 71
IV.LNSS.HHZ. 2019-04-20T09:22:29.06 0.3 undecidable manual S 288 24.6531 50 -0.07 74
IV.TERO.HHZ. 2019-04-20T09:22:28.75 0.1 undecidable manual S 66 24.6531 50 -0.36 93
IV.LIK.EHZ.01 2019-04-20T09:22:28.73 3.0 negative manual Pn -3.25 0
IV.NRCA.HNZ. 2019-04-20T09:22:27.25 0.1 undecidable manual P 332 37.5291 50 -0.01 97
IV.T1299.HNZ. 2019-04-20T09:22:25.37 0.6 undecidable manual S 342 11.7771 133 -0.2 49
IV.TERO.HHZ. 2019-04-20T09:22:25.60 0.1 undecidable manual P 66 24.6531 50 0.33 93
IV.LNSS.HHZ. 2019-04-20T09:22:25.35 0.1 undecidable manual P 288 24.6531 50 0.07 98
IV.SMA1.EHZ. 2019-04-20T09:22:25.32 0.3 undecidable manual S 3 10.7781 135 0 77
IV.CAMP.HHZ. 2019-04-20T09:22:24.20 0.1 undecidable manual S 88 6.6933 148 -0.23 98
IV.RM33.EHZ. 2019-04-20T09:22:24.78 0.1 undecidable manual S 254 9.6792 138 -0.27 97
IV.RM33.EHZ. 2019-04-20T09:22:23.04 0.1 undecidable manual P 254 9.6792 138 0.12 100
IV.SMA1.EHZ. 2019-04-20T09:22:23.30 0.1 undecidable manual P 3 10.7781 135 0.22 98
IV.T1299.HNZ. 2019-04-20T09:22:23.37 0.1 undecidable manual P 342 11.7771 133 0.14 99
IV.CAMP.HHZ. 2019-04-20T09:22:22.77 0.1 positive manual P 88 6.6933 148 0.2 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHE. ML:0.6 0.000045350000000000005 1.76 AML other m 2019-04-20T09:22:24.06
IV.CAMP.HHN. ML:0.3 0.0000289 0.86 AML other m 2019-04-20T09:22:25.70
IV.CAMP.HHE. ML:0.2 0.00002745 0.5 AML other m 2019-04-20T09:22:25.98
IV.RM33.EHN. ML:0.4 0.0000305 0.36 AML other m 2019-04-20T09:22:25.91
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