Earthquake with magnitude of ML 1.5 on date 27-05-2023 and time 12:50:31 (Italy) in region 5 km E Cittareale (RI)

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

  • 27-05-2023 10:50:31 (UTC)
  • 27-05-2023 12:50:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6040, 13.2230 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
Montereale AQ 9 2581 5720
Accumoli RI 10 667 6387
Capitignano AQ 11 665 7052
Borbona RI 13 617 7669
Campotosto AQ 13 542 8211
Posta RI 14 694 8905
Cagnano Amiterno AQ 16 1369 10274
Barete AQ 18 737 11011
Pizzoli AQ 20 4326 15337
Arquata del Tronto AP 20 1178 16515

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NW of L'Aquila (69753 inhabitants)
40 Km W of Teramo (54892 inhabitants)
47 Km E of Terni (111501 inhabitants)
58 Km SE of Foligno (57155 inhabitants)
77 Km W of Montesilvano (53738 inhabitants)
78 Km NE of Guidonia Montecelio (88673 inhabitants)
79 Km NE of Tivoli (56533 inhabitants)
82 Km W of Chieti (51815 inhabitants)
83 Km W of Pescara (121014 inhabitants)
88 Km SE of Perugia (166134 inhabitants)
94 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 1.5 2023-05-27
10:50:31
42.6037 13.223 12 2023-05-27
11:01:48
Sala Sismica INGV-Roma 117772751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-27 10:50:31 ± 0.06
Latitude 42.6037 ± 0.0045
Longitude 13.2230 ± 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 117772751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 444
Semi-minor axis of confidence ellipse (meter) 300
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 37
Circular confidence region, given by single value of horizontal uncertainty (meter) 440.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 99
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.50092
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 23
Type of magnitude ML
Reference to an origin 117772751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-27 11:01:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2023-05-27T10:51:15.42 3.0 undecidable manual Sg 6.82 0
IV.RSM2.HHZ. 2023-05-27T10:51:02.60 3.0 undecidable manual Sg -0.12 0
IV.RIBO.EHZ.01 2023-05-27T10:50:55.45 3.0 undecidable manual Sg -2.31 0
IV.BSSO.HHZ. 2023-05-27T10:50:51.63 3.0 undecidable manual Pn -5.49 0
IV.GIUL.HHZ. 2023-05-27T10:50:49.39 3.0 positive manual Pn 2.36 0
IV.VCEL.EHZ. 2023-05-27T10:50:48.98 0.3 undecidable manual S 114 55.5999 91 0.19 68
IV.FDMO.HHZ. 2023-05-27T10:50:47.41 0.3 undecidable manual S 347 49.3173 91 0.31 68
IV.FIAM.HHZ. 2023-05-27T10:50:44.18 0.3 undecidable manual S 193 38.2284 92 0.03 73
IV.ARRO.EHZ. 2023-05-27T10:50:43.95 0.3 undecidable manual S 266 37.4292 92 0 73
IV.LPEL.HHZ. 2023-05-27T10:50:43.57 3.0 undecidable manual Pn -5.89 0
IV.VCEL.EHZ. 2023-05-27T10:50:42.08 0.3 undecidable manual P 114 55.5999 91 0.6 62
IV.TERO.HHZ. 2023-05-27T10:50:41.87 0.3 undecidable manual S 86 31.1466 92 -0.4 68
IV.GAVE.EHZ. 2023-05-27T10:50:41.39 0.3 undecidable manual S 290 28.5492 93 -0.19 71
IV.FDMO.HHZ. 2023-05-27T10:50:40.82 0.3 undecidable manual P 347 49.3173 91 0.31 67
IV.NRCA.HHZ. 2023-05-27T10:50:40.75 0.6 undecidable manual S 341 27.0507 93 -0.41 45
IV.ARRO.EHZ. 2023-05-27T10:50:38.52 0.3 undecidable manual P 266 37.4292 92 -0.16 70
IV.CAMP.HHZ. 2023-05-27T10:50:38.25 0.3 undecidable manual S 116 16.9719 100 -0.24 72
IV.FIAM.HHZ. 2023-05-27T10:50:38.42 0.3 undecidable manual P 193 38.2284 92 -0.38 67
IV.GAVE.EHZ. 2023-05-27T10:50:37.30 0.3 undecidable manual P 290 28.5492 93 -0.02 74
IV.LNSS.HHZ. 2023-05-27T10:50:37.91 0.3 undecidable manual S 270 14.874 105 -0.05 75
IV.TERO.HHZ. 2023-05-27T10:50:37.54 0.1 undecidable manual P 86 31.1466 92 -0.18 95
IV.NRCA.HHZ. 2023-05-27T10:50:37.02 0.3 undecidable manual P 341 27.0507 93 -0.06 73
IV.RM33.EHZ. 2023-05-27T10:50:36.88 0.3 undecidable manual S 184 10.4784 123 -0.01 76
MN.TRI.HHZ. 2023-05-27T10:50:36.35 3.0 undecidable manual Pg 7.65 0
IV.CAMP.HHZ. 2023-05-27T10:50:35.59 0.1 undecidable manual P 116 16.9719 100 0.06 100
IV.LNSS.HHZ. 2023-05-27T10:50:35.35 0.1 undecidable manual P 270 14.874 105 0.12 99
IV.RM33.EHZ. 2023-05-27T10:50:34.83 0.1 undecidable manual P 184 10.4784 123 0.22 97
IV.ATPI.EHZ. 2023-05-27T10:50:30.58 3.0 undecidable manual Pg 7.08 0
IV.ARVD.HHZ. 2023-05-27T10:50:24.04 3.0 negative manual Pn -3.73 0
IV.RIBO.EHZ.01 2023-05-27T10:50:18.26 3.0 negative manual Pg 0.48 0
IV.RSM2.HHZ. 2023-05-27T10:50:16.12 3.0 negative manual Pn -4.45 0
IV.CSNT.HHZ. 2023-05-27T10:50:11.82 3.0 undecidable manual Pn -2.57 0
IV.BDI.HHZ. 2023-05-27T10:50:05.43 3.0 undecidable manual Pg 1.49 0
CH.FUORN.HHZ. 2023-05-27T10:50:01.53 3.0 undecidable manual Pn 0.53 0
GU.GSCL.HHZ. 2023-05-27T10:49:56.76 3.0 undecidable manual P -4.92 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.HNE. ML:1.9 0.0008676772 0.16 AML other m 2023-05-27T10:50:37.27
IV.RM33.EHE. ML:1.9 0.00085409045 0.16 AML other m 2023-05-27T10:50:37.28
IV.LNSS.HHN. ML:1.8 0.0006358935 0.1792 AML other m 2023-05-27T10:50:38.12
IV.LNSS.HHE. ML:2.0 0.0008405 0.14 AML other m 2023-05-27T10:50:38.15
IV.RM33.HNN. ML:1.7 0.0005787635 0.16 AML other m 2023-05-27T10:50:37.05
IV.RM33.EHN. ML:1.6 0.00054212655 0.16 AML other m 2023-05-27T10:50:37.06
IV.NRCA.HHE. ML:1.6 0.00022652084999999998 0.16 AML other m 2023-05-27T10:50:40.98
IV.GAVE.EHN. ML:1.6 0.00021799999999999999 0.22 AML other m 2023-05-27T10:50:41.68
IV.NRCA.HHN. ML:1.6 0.0001835 0.1 AML other m 2023-05-27T10:50:41.72
IV.GAVE.EHE. ML:1.7 0.0002480181 0.2944 AML other m 2023-05-27T10:50:41.67
IV.TERO.HHE. ML:1.2 0.000075444155 0.0576 AML other m 2023-05-27T10:50:42.79
IV.TERO.HHN. ML:1.3 0.000096041825 0.0768 AML other m 2023-05-27T10:50:44.97
IV.FIAM.HHN. ML:1.3 0.00007505000000000001 1.32 AML other m 2023-05-27T10:50:44.69
IV.ARRO.EHN. ML:1.2 0.0000669 1.06 AML other m 2023-05-27T10:50:45.27
IV.ARRO.EHE. ML:1.1 0.00005084999999999999 0.5 AML other m 2023-05-27T10:50:45.31
IV.FDMO.HHN. ML:1.0 0.000024750000000000002 0.6 AML other m 2023-05-27T10:50:47.52
IV.FDMO.HHE. ML:1.0 0.0000252 0.7 AML other m 2023-05-27T10:50:52.06
IV.CESI.HHE. ML:0.8 0.0000145993 0.16 AML other m 2023-05-27T10:50:50.29
IV.CESI.HHN. ML:1.2 0.00003465028 0.16 AML other m 2023-05-27T10:50:48.76
IV.LNSS.HNE. ML:1.9 0.0007619663999999999 0.1408 AML other m 2023-05-27T10:50:38.23
IV.LNSS.HNN. ML:1.8 0.0006335687 0.1664 AML other m 2023-05-27T10:50:38.12
IV.VCEL.EHE. ML:1.5 0.0000763097 0.2624 AML other m 2023-05-27T10:50:52.37
IV.VCEL.EHN. ML:1.5 0.00007653776500000001 0.2368 AML other m 2023-05-27T10:50:51.21
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