Earthquake with magnitude of ML 0.9 on date 01-11-2023 and time 07:59:59 (Italy) in region 4 km E Cittareale (RI)

A magnitude ML 0.9 earthquake occured in region: 4 km E Cittareale (RI), on

  • 01-11-2023 06:59:59 (UTC)
  • 01-11-2023 07:59:59 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6170, 13.2090 at 13 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
Cittareale RI 4 482 482
Amatrice RI 7 2657 3139
Accumoli RI 9 667 3806
Montereale AQ 11 2581 6387
Borbona RI 13 617 7004
Capitignano AQ 13 665 7669
Posta RI 14 694 8363
Campotosto AQ 15 542 8905
Cagnano Amiterno AQ 18 1369 10274
Arquata del Tronto AP 19 1178 11452
Barete AQ 19 737 12189
Cascia PG 20 3217 15406

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km NW of L'Aquila (69753 inhabitants)
41 Km W of Teramo (54892 inhabitants)
46 Km E of Terni (111501 inhabitants)
56 Km SE of Foligno (57155 inhabitants)
78 Km W of Montesilvano (53738 inhabitants)
79 Km NE of Guidonia Montecelio (88673 inhabitants)
80 Km NE of Tivoli (56533 inhabitants)
84 Km W of Chieti (51815 inhabitants)
84 Km W of Pescara (121014 inhabitants)
86 Km SE of Perugia (166134 inhabitants)
93 Km E of Viterbo (67173 inhabitants)
100 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
Reviewed
Rev100
ML 0.9 2023-11-01
06:59:59
42.6173 13.209 13 2023-11-01
07:04:46
Sala Sismica INGV-Roma 122635851
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-11-01 06:59:59 ± 0.17
Latitude 42.6173 ± 0.0072
Longitude 13.2090 ± 0.0086
Depth (km) 13 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 122635851

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 796
Semi-minor axis of confidence ellipse (meter) 500
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 17
Circular confidence region, given by single value of horizontal uncertainty (meter) 800.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 100
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
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) 0.09353
Epicentral distance of station farthest from the epicenter (degree) 0.29048
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 122635851
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-11-01 07:04:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2023-11-01T07:00:08.06 0.3 undecidable manual S 342 25.1526 99 -0.35 71
IV.TERO.HHZ. 2023-11-01T07:00:05.43 0.1 undecidable manual P 89 32.2455 96 -0.16 96
IV.LNSS.HHZ. 2023-11-01T07:00:05.46 0.3 undecidable manual S 263 13.875 118 -0.05 77
IV.RM33.EHZ. 2023-11-01T07:00:04.81 0.3 undecidable manual S 178 11.9769 124 -0.28 74
IV.SMA1.EHZ. 2023-11-01T07:00:04.64 0.3 undecidable manual S 82 10.3785 130 -0.1 77
IV.NRCA.HHZ. 2023-11-01T07:00:04.64 0.1 undecidable manual P 342 25.1526 99 0.13 100
IV.LNSS.HHZ. 2023-11-01T07:00:03.07 0.1 undecidable manual P 263 13.875 118 0.23 100
IV.SMA1.EHZ. 2023-11-01T07:00:02.68 0.1 positive manual P 82 10.3785 130 0.28 99
IV.RM33.EHZ. 2023-11-01T07:00:02.74 0.3 positive manual P 178 11.9769 124 0.14 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHN. ML:0.8 0.00005422886 0.16 AML other m 2023-11-01T07:00:05.73
IV.LNSS.HHE. ML:1.0 0.00008345 0.14 AML other m 2023-11-01T07:00:05.77
IV.SMA1.EHE. ML:1.0 0.000102220225 0.16 AML other m 2023-11-01T07:00:05.01
IV.SMA1.EHN. ML:0.7 0.00005305711 0.2176 AML other m 2023-11-01T07:00:04.97
IV.RM33.HNE. ML:1.1 0.00013278503 0.5696 AML other m 2023-11-01T07:00:09.32
IV.RM33.HNN. ML:1.6 0.00035254152 1.0496 AML other m 2023-11-01T07:00:01.80
IV.RM33.EHE. ML:0.7 0.000043927340000000005 0.1408 AML other m 2023-11-01T07:00:05.14
IV.RM33.EHN. ML:0.4 0.000027242020000000002 0.16 AML other m 2023-11-01T07:00:05.48
IV.LNSS.HNE. ML:1.0 0.00007985253 0.2176 AML other m 2023-11-01T07:00:06.39
IV.LNSS.HNN. ML:1.2 0.000148452945 0.88 AML other m 2023-11-01T07:00:08.56
IV.NRCA.HNE. ML:1.2 0.00009013457999999999 0.6912 AML other m 2023-11-01T07:00:04.29
IV.NRCA.HNN. ML:1.5 0.00016015915 1.1104 AML other m 2023-11-01T07:00:04.18
IV.NRCA.HHE. ML:0.6 0.000022476735 0.1184 AML other m 2023-11-01T07:00:08.86
IV.NRCA.HHN. ML:0.7 0.000025403428500000003 0.08 AML other m 2023-11-01T07:00:09.34
IV.TERO.HHE. ML:0.5 0.0000159630555 0.88 AML other m 2023-11-01T07:00:22.08
IV.TERO.HHN. ML:0.7 0.000020804418499999997 1.2384 AML other m 2023-11-01T07:00:22.20
IV.TERO.HNE. ML:1.3 0.000090740375 0.8384 AML other m 2023-11-01T07:00:04.44
IV.TERO.HNN. ML:1.2 0.000063789105 0.5312 AML other m 2023-11-01T07:00:14.32
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