Earthquake with magnitude of ML 1.1 on date 22-03-2023 and time 22:23:25 (UTC) in region 5 km E Cittareale (RI)

A magnitude ML 1.1 earthquake occured in region: 5 km E Cittareale (RI), on

  • 22-03-2023 22:23:25 (UTC)
  • 22-03-2023 23:23:25 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6380, 13.2220 at 12 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 5 482 482
Amatrice RI 6 2657 3139
Accumoli RI 7 667 3806
Montereale AQ 13 2581 6387
Capitignano AQ 15 665 7052
Campotosto AQ 15 542 7594
Borbona RI 16 617 8211
Posta RI 16 694 8905
Arquata del Tronto AP 16 1178 10083
Cascia PG 19 3217 13300
Cagnano Amiterno AQ 20 1369 14669

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km NW of L'Aquila (69753 inhabitants)
40 Km W of Teramo (54892 inhabitants)
48 Km E of Terni (111501 inhabitants)
55 Km SE of Foligno (57155 inhabitants)
77 Km W of Montesilvano (53738 inhabitants)
82 Km NE of Guidonia Montecelio (88673 inhabitants)
83 Km NE of Tivoli (56533 inhabitants)
84 Km W of Pescara (121014 inhabitants)
84 Km W of Chieti (51815 inhabitants)
86 Km SE of Perugia (166134 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 1.1 2023-03-22
22:23:25
42.6377 13.2217 12 2023-03-22
22:43:31
Sala Sismica INGV-Roma 115641741
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-22 22:23:25 ± 0.09
Latitude 42.6377 ± 0.0036
Longitude 13.2217 ± 0.0049
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 115641741

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 334
Semi-minor axis of confidence ellipse (meter) 322
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 267
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) 73
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.43257
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 115641741
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-22 22:43:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
ST.RONC.EHZ. 2023-03-22T22:24:56.11 3.0 undecidable manual Sn -5.81 0
SI.ROSI.HHZ. 2023-03-22T22:24:22.99 3.0 undecidable manual Pn 4.78 0
IV.CADC.HNZ. 2023-03-22T22:24:15.83 3.0 undecidable manual Pg 10.42 0
IV.MCRV.HHZ. 2023-03-22T22:24:15.27 3.0 undecidable manual Sn 5.8 0
IV.SNAL.HNZ. 2023-03-22T22:24:08.31 3.0 undecidable manual Sn -0.02 0
OT.OT17.EHZ. 2023-03-22T22:24:04.86 3.0 undecidable manual Sn -0.01 0
IV.SIRI.HNZ. 2023-03-22T22:24:02.93 3.0 undecidable manual Pg 14.46 0
IV.LRP.EHZ. 2023-03-22T22:23:51.75 3.0 undecidable manual Sg 2.15 0
7F.SIB1.EHE. 2023-03-22T22:23:35.52 0.3 undecidable manual S 8 28.749 94 0.29 69
IV.MMO1.EHZ. 2023-03-22T22:23:35.66 0.3 undecidable manual S 16 30.2475 94 0.03 72
IV.TERO.HHZ. 2023-03-22T22:23:35.30 0.6 undecidable manual S 93 31.2465 94 -0.59 42
IV.GAVE.EHN. 2023-03-22T22:23:34.72 0.3 undecidable manual S 283 27.3504 95 -0.14 71
7F.SIB3.EHE. 2023-03-22T22:23:34.57 0.3 undecidable manual S 8 26.6511 95 -0.09 72
IV.GUMA.HHZ. 2023-03-22T22:23:34.29 0.1 undecidable manual P 11 48.0186 92 0.38 87
IV.NRCA.HHZ. 2023-03-22T22:23:33.64 0.3 undecidable manual S 338 23.4543 97 -0.17 72
IV.MTRA.EHE. 2023-03-22T22:23:32.41 0.3 undecidable manual S 47 19.4694 100 -0.34 69
IV.LNSS.HHZ. 2023-03-22T22:23:31.65 0.3 undecidable manual S 255 15.2736 109 -0.03 74
IV.TERO.HHZ. 2023-03-22T22:23:31.38 0.1 undecidable manual P 93 31.2465 94 0.06 96
IV.RM33.EHZ. 2023-03-22T22:23:31.16 0.3 undecidable manual S 182 14.2746 112 -0.27 71
IV.MMO1.EHZ. 2023-03-22T22:23:31.11 0.1 undecidable manual P 16 30.2475 94 -0.06 97
IV.GAVE.EHN. 2023-03-22T22:23:30.71 0.1 undecidable manual P 283 27.3504 95 -0.01 98
IV.SMA1.EHZ. 2023-03-22T22:23:30.41 0.3 undecidable manual S 95 9.2796 131 0.11 75
7F.SIB3.EHE. 2023-03-22T22:23:30.50 0.1 undecidable manual P 8 26.6511 95 -0.11 96
IV.NRCA.HHZ. 2023-03-22T22:23:30.05 0.1 undecidable manual P 338 23.4543 97 -0.07 97
7F.SIB1.EHE. 2023-03-22T22:23:30.99 0.1 undecidable manual P 8 28.749 94 0.05 96
IV.MTRA.EHE. 2023-03-22T22:23:29.38 0.1 undecidable manual P 47 19.4694 100 -0.13 97
IV.CAMP.HHZ. 2023-03-22T22:23:29.78 0.3 undecidable manual P 126 19.0698 101 0.34 69
IV.RM33.EHZ. 2023-03-22T22:23:28.74 0.1 undecidable manual P 182 14.2746 112 0 100
IV.LNSS.HHZ. 2023-03-22T22:23:28.97 0.1 undecidable manual P 255 15.2736 109 0.08 98
IV.LRP.EHZ. 2023-03-22T22:23:28.23 3.0 undecidable manual P -0.21 0
IV.SMA1.EHZ. 2023-03-22T22:23:28.28 0.1 undecidable manual P 95 9.2796 131 0.19 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:1.3 0.00023899999999999998 0.3 AML other m 2023-03-22T22:23:30.72
IV.SMA1.EHN. ML:1.2 0.00016599999999999997 0.36 AML other m 2023-03-22T22:23:30.67
IV.RM33.EHN. ML:1.0 0.00009865 0.18 AML other m 2023-03-22T22:23:31.39
IV.RM33.EHE. ML:1.2 0.0001315 0.6 AML other m 2023-03-22T22:23:31.39
IV.LNSS.HHN. ML:1.0 0.00009745 0.3 AML other m 2023-03-22T22:23:31.77
IV.LNSS.HHE. ML:1.0 0.00009429999999999999 0.22 AML other m 2023-03-22T22:23:31.82
IV.NRCA.HHE. ML:1.4 0.00014050000000000003 1.88 AML other m 2023-03-22T22:23:33.97
IV.NRCA.HHN. ML:1.1 0.0000771 1.14 AML other m 2023-03-22T22:23:34.60
IV.TERO.HHE. ML:0.4 0.000012049853 0.1664 AML other m 2023-03-22T22:23:35.58
IV.TERO.HHN. ML:0.5 0.00001500038 0.1536 AML other m 2023-03-22T22:23:35.60
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