Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 26-09-2019 and time 05:27:58 (Italy) in region 5 km W Accumoli (RI)

A magnitude ML 1.4 earthquake occured in region: 5 km W Accumoli (RI), on

  • 26-09-2019 03:27:58 (UTC)
  • 26-09-2019 05:27:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7070, 13.1940 at 10 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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
Cittareale RI 10 482 1149
Arquata del Tronto AP 11 1178 2327
Amatrice RI 12 2657 4984
Norcia PG 13 4957 9941
Cascia PG 15 3217 13158
Acquasanta Terme AP 19 2916 16074
Montegallo AP 19 523 16597

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km W of Teramo (54892 inhabitants)
43 Km NW of L'Aquila (69753 inhabitants)
48 Km E of Terni (111501 inhabitants)
49 Km SE of Foligno (57155 inhabitants)
79 Km SE of Perugia (166134 inhabitants)
81 Km W of Montesilvano (53738 inhabitants)
87 Km NE of Guidonia Montecelio (88673 inhabitants)
88 Km W of Pescara (121014 inhabitants)
89 Km NE of Tivoli (56533 inhabitants)
89 Km W of Chieti (51815 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 1.4 2019-09-26
03:27:58		 42.7067 13.1943 10 2019-09-26
03:37:12		 Sala Sismica INGV-Roma 72782321
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-26 03:27:58 ± 0.05
Latitude 42.7067 ± 0.0027
Longitude 13.1943 ± 0.0049
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 72782321

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 324
Semi-minor axis of confidence ellipse (meter) 236
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 278
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
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 39
Number of defining phases 35
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.46135
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 19
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 72782321
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-26 03:37:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2019-09-26T03:28:27.66 3.0 undecidable manual S 0.09 0
IV.EL6.EHZ. 2019-09-26T03:28:21.30 1.0 undecidable manual S -0.15 0.5
IV.VIVA.HHZ. 2019-09-26T03:28:19.14 3.0 negative manual P 0.37 0
IV.LAV9.HHZ. 2019-09-26T03:28:16.66 3.0 positive manual P -3.32 0
IV.FIAM.HHZ. 2019-09-26T03:28:15.20 0.6 undecidable manual S 187 49.1175 50 0.6 41
IV.GUMA.HHZ. 2019-09-26T03:28:13.08 0.6 undecidable manual S 16 41.1255 50 0.6 42
IV.GIGS.HHZ. 2019-09-26T03:28:12.24 0.6 undecidable manual S 132 41.8248 50 -0.42 44
IV.CSP1.EHZ. 2019-09-26T03:28:12.98 0.6 undecidable manual S 1 42.7239 50 0.07 47
IV.FDMO.HHZ. 2019-09-26T03:28:11.39 0.6 undecidable manual S 347 37.629 50 -0.15 47
IV.ARRO.EHZ. 2019-09-26T03:28:11.50 0.3 undecidable manual S 248 37.7289 50 -0.07 71
IV.TERO.HHZ. 2019-09-26T03:28:10.37 0.6 undecidable manual S 105 34.743 50 -0.39 45
IV.CAMP.HHZ. 2019-09-26T03:28:08.18 0.3 undecidable manual S 137 25.8519 50 -0.22 71
IV.MOMA.HHZ. 2019-09-26T03:28:08.73 3.0 negative manual P 0.01 0
IV.OFFI.HHZ. 2019-09-26T03:28:08.42 0.1 undecidable manual P 57 47.3193 50 0.76 77
IV.MNTT.EHZ. 2019-09-26T03:28:08.97 0.1 undecidable manual P 39 51.2154 50 0.72 78
IV.RM33.EHZ. 2019-09-26T03:28:07.25 0.6 undecidable manual S 176 21.9669 115 0.04 49
IV.FIAM.HHZ. 2019-09-26T03:28:07.78 0.1 undecidable manual P 187 49.1175 50 -0.15 92
IV.MC2.EHZ. 2019-09-26T03:28:07.42 0.6 undecidable manual S 359 22.755 114 -0.01 49
IV.MMO1.EHZ. 2019-09-26T03:28:07.56 0.6 undecidable manual S 27 23.9538 113 -0.26 47
IV.GAVE.EHZ. 2019-09-26T03:28:07.92 0.6 undecidable manual S 266 24.5532 112 -0.09 49
IV.GUMA.HHZ. 2019-09-26T03:28:06.89 0.1 undecidable manual P 16 41.1255 50 0.18 93
IV.ARRO.EHZ. 2019-09-26T03:28:06.07 0.1 undecidable manual P 248 37.7289 50 -0.11 94
IV.GIGS.HHZ. 2019-09-26T03:28:06.50 0.1 undecidable manual P 132 41.8248 50 -0.31 90
IV.CSP1.EHZ. 2019-09-26T03:28:06.76 0.3 undecidable manual P 1 42.7239 50 -0.19 69
IV.FDMO.HHZ. 2019-09-26T03:28:05.90 0.1 undecidable manual P 347 37.629 50 -0.26 92
IV.SMA1.EHZ. 2019-09-26T03:28:05.07 0.6 undecidable manual S 126 14.2746 125 0.2 48
IV.MTRA.HNZ. 2019-09-26T03:28:05.48 0.6 undecidable manual S 71 17.3715 120 -0.3 47
IV.TERO.HHZ. 2019-09-26T03:28:05.45 0.1 undecidable manual P 105 34.743 50 -0.26 92
IV.LNSS.HHZ. 2019-09-26T03:28:05.81 0.6 undecidable manual S 228 17.0718 121 0.13 49
IV.NRCA.HNZ. 2019-09-26T03:28:04.90 0.6 undecidable manual S 335 15.4734 123 -0.33 47
IV.GAVE.EHZ. 2019-09-26T03:28:04.00 0.1 undecidable manual P 266 24.5532 112 -0.12 96
IV.CAMP.HHZ. 2019-09-26T03:28:04.30 0.3 undecidable manual P 137 25.8519 50 -0.05 73
IV.MMO1.EHZ. 2019-09-26T03:28:03.81 0.1 undecidable manual P 27 23.9538 113 -0.21 95
IV.LNSS.HHZ. 2019-09-26T03:28:03.02 0.1 undecidable manual P 228 17.0718 121 0.24 95
IV.RM33.EHZ. 2019-09-26T03:28:03.78 0.3 undecidable manual P 176 21.9669 115 0.12 73
IV.MC2.EHZ. 2019-09-26T03:28:03.79 0.1 undecidable manual P 359 22.755 114 0 99
IV.MTRA.HNZ. 2019-09-26T03:28:02.82 0.1 undecidable manual P 71 17.3715 120 -0.02 100
IV.NRCA.HNZ. 2019-09-26T03:28:02.54 0.1 undecidable manual P 335 15.4734 123 0.02 100
IV.SMA1.EHZ. 2019-09-26T03:28:02.59 0.1 undecidable manual P 126 14.2746 125 0.28 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:2.0 0.0010485 0.14 AML other m 2019-09-26T03:28:05.06
IV.NRCA.HNN. ML:2.0 0.001054 0.38 AML other m 2019-09-26T03:28:05.07
IV.NRCA.HNE. ML:2.2 0.0013399999999999998 0.12 AML other m 2019-09-26T03:28:05.22
IV.NRCA.HHE. ML:2.2 0.00149 0.14 AML other m 2019-09-26T03:28:05.22
IV.MTRA.EHN. ML:1.4 0.000216 0.92 AML other m 2019-09-26T03:28:05.28
IV.SMA1.EHE. ML:1.2 0.000161 1.06 AML other m 2019-09-26T03:28:05.78
IV.MTRA.EHE. ML:1.5 0.000279 0.98 AML other m 2019-09-26T03:28:05.37
IV.LNSS.HHN. ML:1.6 0.0003785 0.86 AML other m 2019-09-26T03:28:06.16
IV.LNSS.HHE. ML:1.6 0.0003485 0.26 AML other m 2019-09-26T03:28:06.49
IV.SMA1.EHN. ML:1.1 0.00013350000000000002 0.76 AML other m 2019-09-26T03:28:06.55
IV.RM33.EHN. ML:1.1 0.0000921 0.24 AML other m 2019-09-26T03:28:07.61
IV.RM33.EHE. ML:1.4 0.0001625 0.1 AML other m 2019-09-26T03:28:07.85
IV.CAMP.HHE. ML:0.8 0.0000382 0.26 AML other m 2019-09-26T03:28:08.17
IV.GAVE.EHN. ML:1.3 0.00012775000000000002 0.26 AML other m 2019-09-26T03:28:08.58
IV.GAVE.EHE. ML:1.5 0.00017549999999999998 0.14 AML other m 2019-09-26T03:28:08.47
IV.TERO.HHN. ML:1.4 0.00009709999999999999 0.1 AML other m 2019-09-26T03:28:11.28
IV.TERO.HHE. ML:1.4 0.00009995 0.76 AML other m 2019-09-26T03:28:11.65
IV.FDMO.HHN. ML:1.0 0.00003555 0.36 AML other m 2019-09-26T03:28:12.00
IV.ARRO.EHE. ML:1.0 0.00004124999999999999 0.62 AML other m 2019-09-26T03:28:12.46
IV.FDMO.HHE. ML:1.0 0.0000374 1.82 AML other m 2019-09-26T03:28:13.03
IV.ARRO.EHN. ML:1.1 0.0000465 0.74 AML other m 2019-09-26T03:28:13.52
IV.GUMA.HHN. ML:1.6 0.0001255 0.64 AML other m 2019-09-26T03:28:13.31
IV.GUMA.HHE. ML:1.8 0.000219 0.4 AML other m 2019-09-26T03:28:13.52
IV.CAMP.HHN. ML:0.7 0.00003185 0.6 AML other m 2019-09-26T03:28:14.53
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