Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 13-09-2019 and time 20:44:59 (Italy) in region 7 km E Accumoli (RI)

A magnitude ML 1.2 earthquake occured in region: 7 km E Accumoli (RI), on

  • 13-09-2019 18:44:59 (UTC)
  • 13-09-2019 20:44:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6930, 13.3320 at 9 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 7 667 667
Amatrice RI 8 2657 3324
Arquata del Tronto AP 9 1178 4502
Acquasanta Terme AP 11 2916 7418
Valle Castellana TE 14 977 8395
Campotosto AQ 15 542 8937
Rocca Santa Maria TE 16 537 9474
Cittareale RI 16 482 9956
Cortino TE 16 656 10612
Montegallo AP 17 523 11135
Capitignano AQ 19 665 11800
Montereale AQ 20 2581 14381

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km W of Teramo (54892 inhabitants)
38 Km N of L'Aquila (69753 inhabitants)
58 Km E of Terni (111501 inhabitants)
59 Km SE of Foligno (57155 inhabitants)
70 Km W of Montesilvano (53738 inhabitants)
77 Km W of Pescara (121014 inhabitants)
78 Km W of Chieti (51815 inhabitants)
90 Km SE of Perugia (166134 inhabitants)
92 Km NE of Guidonia Montecelio (88673 inhabitants)
92 Km NE of Tivoli (56533 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 1.2 2019-09-13
18:44:59		 42.6932 13.3323 9 2019-09-13
18:51:58		 Sala Sismica INGV-Roma 72373751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-13 18:44:59 ± 0.06
Latitude 42.6932 ± 0.0027
Longitude 13.3323 ± 0.0037
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 72373751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 334
Semi-minor axis of confidence ellipse (meter) 83
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 264
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 72
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.32196
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 72373751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-13 18:51:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAR1.HHZ. 2019-09-13T18:46:50.95 3.0 undecidable manual Sn 0.54 0
CR.ZAG.BHZ. 2019-09-13T18:46:38.58 3.0 undecidable manual Sn -4.19 0
IV.ZCCA.HHZ. 2019-09-13T18:46:17.04 3.0 undecidable manual Sg 3.29 0
IV.MCRV.HHZ. 2019-09-13T18:46:08.01 3.0 undecidable manual Sn -0.37 0
IV.IMOL.HNZ. 2019-09-13T18:46:04.87 3.0 undecidable manual Sg -0.04 0
IV.CET2.HHZ. 2019-09-13T18:45:57.33 3.0 undecidable manual Pn 0.12 0
CR.ZAG.BHZ. 2019-09-13T18:45:55.90 3.0 undecidable manual Pn -1.66 0
IV.PTRJ.HNZ. 2019-09-13T18:45:46.54 3.0 undecidable manual Sn -3.51 0
IV.NARO.HHZ. 2019-09-13T18:45:32.01 3.0 undecidable manual S -9.44 0
IT.ORP.HGZ. 2019-09-13T18:45:31.66 3.0 undecidable manual Pn -1.92 0
IV.SENI.HNZ. 2019-09-13T18:45:17.69 3.0 negative manual P -4 0
IV.VVLD.HHZ. 2019-09-13T18:45:14.16 3.0 undecidable manual P -2.16 0
IV.MF5.EHZ. 2019-09-13T18:45:11.68 0.6 undecidable manual S 18 34.3434 50 0.58 43
IV.GAVE.EHZ. 2019-09-13T18:45:11.19 0.6 undecidable manual S 270 35.742 50 -0.29 46
IV.GIGS.HHZ. 2019-09-13T18:45:10.43 0.6 undecidable manual S 143 33.0447 50 -0.35 46
IV.MC2.EHZ. 2019-09-13T18:45:09.06 0.6 undecidable manual S 334 26.8509 109 0.1 49
IV.LNSS.HHZ. 2019-09-13T18:45:08.68 0.6 undecidable manual S 247 25.8519 110 0.06 50
IV.TERO.HHZ. 2019-09-13T18:45:07.52 0.6 undecidable manual S 109 23.4543 112 -0.34 47
IV.MMO1.EHZ. 2019-09-13T18:45:07.49 0.6 undecidable manual S 359 22.8549 112 -0.17 49
IV.RM33.EHZ. 2019-09-13T18:45:07.59 0.6 undecidable manual S 205 22.5552 112 0.03 50
IV.NRCA.HHZ. 2019-09-13T18:45:07.57 0.6 undecidable manual S 311 23.6541 111 -0.33 47
IV.GAVE.EHZ. 2019-09-13T18:45:06.11 0.6 negative manual P 270 35.742 50 -0.14 48
IV.MF5.EHZ. 2019-09-13T18:45:06.25 0.6 undecidable manual P 18 34.3434 50 0.22 47
IV.GIGS.HHZ. 2019-09-13T18:45:05.73 1.0 undecidable manual P 143 33.0447 50 -0.11 24
IV.RM33.EHZ. 2019-09-13T18:45:04.18 0.1 negative manual P 205 22.5552 112 0.19 97
IV.NRCA.HHZ. 2019-09-13T18:45:04.10 0.1 undecidable manual P 311 23.6541 111 -0.08 99
IV.TERO.HHZ. 2019-09-13T18:45:04.11 0.1 undecidable manual P 109 23.4543 112 -0.05 100
IV.LNSS.HHZ. 2019-09-13T18:45:04.61 0.1 undecidable manual P 247 25.8519 110 0.01 100
IV.MC2.EHZ. 2019-09-13T18:45:04.79 1.0 positive manual P 334 26.8509 109 0 25
IV.SMA1.EHZ. 2019-09-13T18:45:03.00 0.6 undecidable manual S 178 6.993 143 -0.12 51
IV.MMO1.EHZ. 2019-09-13T18:45:03.97 0.1 undecidable manual P 359 22.8549 112 -0.07 99
IV.MTRA.HNZ. 2019-09-13T18:45:03.30 0.6 undecidable manual S 37 8.7801 137 -0.23 49
IV.SMA1.EHZ. 2019-09-13T18:45:01.74 0.1 positive manual P 178 6.993 143 0.32 97
IV.MTRA.HNZ. 2019-09-13T18:45:01.82 0.1 negative manual P 37 8.7801 137 0.17 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHN. ML:1.6 0.0005700000000000001 0.5 AML other m 2019-09-13T18:45:03.65
IV.MTRA.HNN. ML:1.5 0.000535 0.52 AML other m 2019-09-13T18:45:03.65
IV.MTRA.EHE. ML:1.5 0.0004625 0.74 AML other m 2019-09-13T18:45:03.67
IV.MTRA.HNE. ML:1.5 0.0004365 0.74 AML other m 2019-09-13T18:45:03.30
IV.TERO.HHN. ML:1.2 0.00009154999999999999 0.08 AML other m 2019-09-13T18:45:07.66
IV.RM33.EHN. ML:0.8 0.00004585 1.38 AML other m 2019-09-13T18:45:07.10
IV.NRCA.HHN. ML:1.1 0.00007885 0.1 AML other m 2019-09-13T18:45:07.86
IV.RM33.EHE. ML:0.9 0.00004845 1.68 AML other m 2019-09-13T18:45:08.85
IV.TERO.HHE. ML:1.1 0.00008505000000000001 0.54 AML other m 2019-09-13T18:45:08.07
IV.NRCA.HHE. ML:1.1 0.00007994999999999999 1.36 AML other m 2019-09-13T18:45:08.10
IV.LNSS.HHN. ML:1.0 0.00006214999999999999 0.28 AML other m 2019-09-13T18:45:08.93
IV.LNSS.HHE. ML:0.9 0.0000505 0.12 AML other m 2019-09-13T18:45:08.82
IV.GAVE.EHN. ML:1.0 0.00004285 0.3 AML other m 2019-09-13T18:45:11.71
IV.GAVE.EHE. ML:1.0 0.0000402 0.14 AML other m 2019-09-13T18:45:12.37
IV.SMA1.EHE. ML:1.1 0.00022210279999999998 0.1024 AML other m 2019-09-13T18:45:03.23
IV.SMA1.EHN. ML:1.3 0.0002914479 0.1024 AML other m 2019-09-13T18:45:03.28
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