Earthquake with magnitude of ML 1.0 on date 15-04-2019 and time 11:14:34 (Italy) in region 4 km SW Accumoli (RI)

A magnitude ML 1.0 earthquake occured in region: 4 km SW Accumoli (RI), on

  • 15-04-2019 09:14:34 (UTC)
  • 15-04-2019 11:14:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6660, 13.2210 at 11 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
Accumoli RI 4 667 667
Amatrice RI 7 2657 3324
Cittareale RI 7 482 3806
Arquata del Tronto AP 14 1178 4984
Montereale AQ 16 2581 7565
Campotosto AQ 17 542 8107
Capitignano AQ 17 665 8772
Norcia PG 18 4957 13729
Cascia PG 18 3217 16946
Borbona RI 18 617 17563
Posta RI 19 694 18257
Acquasanta Terme AP 19 2916 21173

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km NW of L'Aquila (69753 inhabitants)
40 Km W of Teramo (54892 inhabitants)
48 Km E of Terni (111501 inhabitants)
53 Km SE of Foligno (57155 inhabitants)
78 Km W of Montesilvano (53738 inhabitants)
84 Km SE of Perugia (166134 inhabitants)
84 Km NE of Guidonia Montecelio (88673 inhabitants)
84 Km W of Pescara (121014 inhabitants)
85 Km W of Chieti (51815 inhabitants)
85 Km NE of Tivoli (56533 inhabitants)
95 Km E of Viterbo (67173 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
Reviewed
Rev100
ML 1.0 2019-04-15
09:14:34
42.666 13.221 11 2019-04-15
09:21:03
Sala Sismica INGV-Roma 67601331
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-04-15 09:14:34 ± 0.06
Latitude 42.6660 ± 0.0045
Longitude 13.2210 ± 0.0049
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 67601331

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 437
Semi-minor axis of confidence ellipse (meter) 368
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 169
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) 69
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
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) 0.09083
Epicentral distance of station farthest from the epicenter (degree) 0.28509
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 67601331
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-04-15 09:21:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2019-04-15T09:14:45.58 0.3 undecidable manual S 99 31.6461 90 -0.21 93
IV.MMO1.HNZ. 2019-04-15T09:14:44.83 0.3 undecidable manual S 18 27.2505 90 0.2 95
IV.RM33.EHZ. 2019-04-15T09:14:42.05 0.3 undecidable manual S 182 17.4714 91 0.05 100
IV.NRCA.HNZ. 2019-04-15T09:14:42.59 0.3 undecidable manual S 335 20.5683 91 -0.24 96
IV.MTRA.EHZ. 2019-04-15T09:14:41.89 0.6 undecidable manual S 55 17.4714 91 -0.13 66
IV.TERO.HHZ. 2019-04-15T09:14:41.22 0.3 undecidable manual P 99 31.6461 90 0.04 98
IV.LNSS.HHZ. 2019-04-15T09:14:41.47 0.6 undecidable manual S 245 16.3725 91 -0.24 64
IV.GAVE.EHZ. 2019-04-15T09:14:40.51 0.3 undecidable manual P 276 26.8509 90 0.07 98
IV.MMO1.HNZ. 2019-04-15T09:14:40.48 0.6 undecidable manual P 18 27.2505 90 -0.03 66
IV.SMA1.EHZ. 2019-04-15T09:14:40.29 0.3 undecidable manual S 113 10.0788 119 0.18 98
IV.MTRA.EHZ. 2019-04-15T09:14:39.19 0.3 undecidable manual P 55 17.4714 91 0.19 97
IV.RM33.EHZ. 2019-04-15T09:14:39.21 0.3 undecidable manual P 182 17.4714 91 0.22 97
IV.NRCA.HNZ. 2019-04-15T09:14:39.56 0.3 undecidable manual P 335 20.5683 91 0.09 98
IV.LNSS.HHZ. 2019-04-15T09:14:38.97 0.3 undecidable manual P 245 16.3725 91 0.14 98
IV.SMA1.EHZ. 2019-04-15T09:14:37.43 0.6 undecidable manual P 113 10.0788 119 -0.47 62
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:1.4 0.00028608504999999996 0.2816 AML other m 2019-04-15T09:14:40.96
IV.SMA1.EHN. ML:1.1 0.00015092642000000001 0.1792 AML other m 2019-04-15T09:14:41.01
IV.LNSS.HNE. ML:1.2 0.00013031375 1.9456 AML other m 2019-04-15T09:14:42.34
IV.LNSS.HNN. ML:1.3 0.00017719835 1.4976 AML other m 2019-04-15T09:14:41.36
IV.LNSS.HHE. ML:0.7 0.000042667195 0.16 AML other m 2019-04-15T09:14:43.31
IV.LNSS.HHN. ML:0.6 0.0000368252 0.1024 AML other m 2019-04-15T09:14:42.10
IV.MTRA.HNE. ML:1.0 0.000088341135 0.7808 AML other m 2019-04-15T09:14:42.33
IV.MTRA.HNN. ML:1.4 0.0002026193 1.1904 AML other m 2019-04-15T09:14:41.08
IV.MTRA.EHE. ML:0.9 0.00006380393000000001 0.1408 AML other m 2019-04-15T09:14:42.15
IV.MTRA.EHN. ML:1.1 0.00010489325500000001 0.1408 AML other m 2019-04-15T09:14:42.07
IV.RM33.HNE. ML:1.2 0.00013688134 1.504 AML other m 2019-04-15T09:14:42.27
IV.RM33.HNN. ML:1.0 0.00007250173 0.8832 AML other m 2019-04-15T09:14:42.31
IV.RM33.EHE. ML:0.7 0.000040654355000000005 0.3584 AML other m 2019-04-15T09:14:43.55
IV.RM33.EHN. ML:0.4 0.0000205837255 0.1408 AML other m 2019-04-15T09:14:42.68
IV.TERO.HHE. ML:1.0 0.00004176476 1.4592 AML other m 2019-04-15T09:14:46.50
IV.TERO.HHN. ML:0.5 0.000016683 0.0768 AML other m 2019-04-15T09:14:46.55
IV.TERO.HNE. ML:1.2 0.00006493616 0.9472 AML other m 2019-04-15T09:14:45.94
IV.TERO.HNN. ML:1.0 0.000040613760000000005 1.2672 AML other m 2019-04-15T09:14:46.10
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