Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 13-07-2019 and time 15:25:44 (Italy) in region 5 km NW Accumoli (RI)

A magnitude ML 1.5 earthquake occured in region: 5 km NW Accumoli (RI), on

  • 13-07-2019 13:25:44 (UTC)
  • 13-07-2019 15:25:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7210, 13.2000 at 8 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
Accumoli RI 5 667 667
Arquata del Tronto AP 10 1178 1845
Cittareale RI 12 482 2327
Norcia PG 12 4957 7284
Amatrice RI 12 2657 9941
Cascia PG 15 3217 13158
Montegallo AP 17 523 13681
Acquasanta Terme AP 18 2916 16597
Castelsantangelo sul Nera MC 20 281 16878

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km W of Teramo (54892 inhabitants)
44 Km NW of L'Aquila (69753 inhabitants)
48 Km SE of Foligno (57155 inhabitants)
49 Km E of Terni (111501 inhabitants)
79 Km SE of Perugia (166134 inhabitants)
81 Km W of Montesilvano (53738 inhabitants)
88 Km W of Pescara (121014 inhabitants)
89 Km NE of Guidonia Montecelio (88673 inhabitants)
89 Km W of Chieti (51815 inhabitants)
90 Km NE of Tivoli (56533 inhabitants)
96 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
Bulletin
Rev1000 		ML 1.5 2019-07-13
13:25:44		 42.7207 13.2003 8 2019-11-13
14:30:57		 Bollettino Sismico Italiano INGV 71242201
Reviewed
Rev100 		ML 1.6 2019-07-13
13:25:44		 42.7207 13.2003 8 2019-07-13
13:36:01		 Sala Sismica INGV-Roma 70530391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-07-13 13:25:44 ± 0.07
Latitude 42.7207 ± 0.0027
Longitude 13.2003 ± 0.0049
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 71242201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 363
Semi-minor axis of confidence ellipse (meter) 179
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 93
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 68
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) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.35613
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:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 17
Type of magnitude ML
Reference to an origin 70530391
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-07-13 13:36:01

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 71242201
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-08-07 09:25:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARCI.HHZ. 2019-07-13T13:26:07.82 3.0 undecidable manual P 0.04 0
IV.GUMA.HHZ. 2019-07-13T13:25:58.09 0.3 undecidable manual S 16 39.5271 50 0.15 76
IV.MF5.EHZ. 2019-07-13T13:25:57.48 0.3 undecidable manual S 35 36.3414 50 0.37 73
IV.FEMA.HNZ. 2019-07-13T13:25:54.33 0.3 undecidable manual S 335 29.4483 106 -0.63 68
IV.CAMP.HHZ. 2019-07-13T13:25:53.56 0.3 undecidable manual S 140 26.6511 107 -0.47 72
IV.GAVE.EHZ. 2019-07-13T13:25:53.45 0.3 undecidable manual S 263 25.1526 108 -0.08 79
IV.MMO1.EHZ. 2019-07-13T13:25:52.47 0.3 undecidable manual S 27 22.3554 111 -0.14 78
IV.MC2.EHZ. 2019-07-13T13:25:52.50 0.3 undecidable manual S 358 21.1677 112 0.27 77
IV.RM33.EHZ. 2019-07-13T13:25:52.90 0.3 undecidable manual S 177 23.5542 110 -0.1 79
IV.MF5.EHZ. 2019-07-13T13:25:51.59 0.3 undecidable manual P 35 36.3414 50 -0.12 77
IV.GUMA.HHZ. 2019-07-13T13:25:51.98 0.1 undecidable manual P 16 39.5271 50 -0.21 100
IV.LNSS.HHZ. 2019-07-13T13:25:51.72 0.3 undecidable manual S 225 18.4704 114 0.35 76
IV.NRCA.HHZ. 2019-07-13T13:25:50.21 0.3 undecidable manual S 331 14.3745 120 0.12 80
IV.SMA1.EHZ. 2019-07-13T13:25:50.76 0.3 undecidable manual S 132 14.874 119 0.5 73
IV.MTRA.EHZ. 2019-07-13T13:25:50.72 0.3 undecidable manual S 76 16.4724 117 -0.03 81
IV.FEMA.HNZ. 2019-07-13T13:25:50.77 0.6 undecidable manual P 335 29.4483 106 0.3 50
IV.RM33.EHZ. 2019-07-13T13:25:49.25 0.3 undecidable manual P 177 23.5542 110 -0.09 79
IV.GAVE.EHZ. 2019-07-13T13:25:49.47 0.3 undecidable manual P 263 25.1526 108 -0.18 77
IV.CAMP.HHZ. 2019-07-13T13:25:49.60 0.3 undecidable manual P 140 26.6511 107 -0.33 75
IV.MTRA.EHZ. 2019-07-13T13:25:48.09 0.3 undecidable manual P 76 16.4724 117 0.05 81
IV.LNSS.HHZ. 2019-07-13T13:25:48.54 0.3 undecidable manual P 225 18.4704 114 0.14 79
IV.MMO1.EHZ. 2019-07-13T13:25:48.92 0.3 undecidable manual P 27 22.3554 111 -0.19 78
IV.MC2.EHZ. 2019-07-13T13:25:48.96 0.3 undecidable manual P 358 21.1677 112 0.06 80
IV.NRCA.HHZ. 2019-07-13T13:25:47.79 0.3 undecidable manual P 331 14.3745 120 0.13 80
IV.SMA1.EHZ. 2019-07-13T13:25:47.98 0.3 undecidable manual P 132 14.874 119 0.22 78
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:0.9 0.000085517475 0.16 AML other m 2019-07-13T13:25:51.42
IV.SMA1.EHE. ML:1.0 0.000113114985 0.2752 AML other m 2019-07-13T13:25:53.93
IV.MTRA.EHE. ML:1.6 0.00039082784999999997 0.2048 AML other m 2019-07-13T13:25:51.48
IV.MTRA.HNE. ML:1.7 0.00043799089999999995 0.2112 AML other m 2019-07-13T13:25:51.37
IV.MTRA.HNN. ML:1.7 0.00046080525 0.2304 AML other m 2019-07-13T13:25:50.94
IV.MTRA.EHN. ML:1.5 0.00030600280000000004 0.1408 AML other m 2019-07-13T13:25:50.79
IV.LNSS.HNN. ML:1.6 0.00032463955 0.1472 AML other m 2019-07-13T13:25:51.94
IV.LNSS.HNE. ML:1.5 0.00024322875 0.1408 AML other m 2019-07-13T13:25:52.10
IV.LNSS.HHE. ML:1.5 0.00026996545 0.1408 AML other m 2019-07-13T13:25:52.09
IV.LNSS.HHN. ML:1.6 0.0003470881 0.1408 AML other m 2019-07-13T13:25:51.93
IV.RM33.HNN. ML:1.4 0.00017313669999999997 0.2496 AML other m 2019-07-13T13:25:53.04
IV.RM33.HNE. ML:1.5 0.00019622000000000002 0.2496 AML other m 2019-07-13T13:25:53.69
IV.RM33.EHE. ML:1.3 0.00012274395499999998 0.1216 AML other m 2019-07-13T13:25:53.69
IV.RM33.EHN. ML:1.5 0.00018372355 0.2624 AML other m 2019-07-13T13:25:53.05
IV.GAVE.HNE. ML:1.3 0.000121403805 0.1728 AML other m 2019-07-13T13:25:54.59
IV.GAVE.EHE. ML:1.2 0.00009421742499999999 0.1792 AML other m 2019-07-13T13:25:54.68
IV.GAVE.EHN. ML:1.6 0.00023026345000000002 0.32 AML other m 2019-07-13T13:25:53.68
IV.GAVE.HNN. ML:1.5 0.00017945424999999998 0.7296 AML other m 2019-07-13T13:25:58.53
IV.MF5.EHE. ML:1.7 0.00019164895 2.144 AML other m 2019-07-13T13:25:56.05
IV.MF5.EHN. ML:1.6 0.00016343335 2.0416 AML other m 2019-07-13T13:25:55.22
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