Earthquake with magnitude of ML 1.0 on date 27-05-2023 and time 13:19:20 (UTC) in region 2 km NE Ferentillo (TR)

A magnitude ML 1.0 earthquake occured in region: 2 km NE Ferentillo (TR), on

  • 27-05-2023 13:19:20 (UTC)
  • 27-05-2023 15:19:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6340, 12.8040 at 16 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
Ferentillo TR 2 1913 1913
Montefranco TR 5 1276 3189
Arrone TR 6 2763 5952
Polino TR 6 233 6185
Scheggino PG 9 461 6646
Sant'Anatolia di Narco PG 11 564 7210
Labro RI 12 374 7584
Morro Reatino RI 12 373 7957
Monteleone di Spoleto PG 12 599 8556
Spoleto PG 12 38218 46774
Rivodutri RI 14 1253 48027
Poggiodomo PG 14 117 48144
Terni TR 15 111501 159645
Colli sul Velino RI 15 533 160178
Leonessa RI 15 2435 162613
Vallo di Nera PG 16 364 162977
Poggio Bustone RI 16 2055 165032
Stroncone TR 19 4917 169949
Cascia PG 20 3217 173166

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km NE of Terni (111501 inhabitants)
37 Km S of Foligno (57155 inhabitants)
58 Km NW of L'Aquila (69753 inhabitants)
62 Km E of Viterbo (67173 inhabitants)
63 Km SE of Perugia (166134 inhabitants)
71 Km N of Guidonia Montecelio (88673 inhabitants)
74 Km W of Teramo (54892 inhabitants)
75 Km N of Tivoli (56533 inhabitants)
86 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 1.0 2023-05-27
13:19:20
42.6343 12.8037 16 2023-05-27
13:35:16
Sala Sismica INGV-Roma 117775291
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-27 13:19:20 ± 0.13
Latitude 42.6343 ± 0.0045
Longitude 12.8037 ± 0.0049
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117775291

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 535
Semi-minor axis of confidence ellipse (meter) 125
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 334
Circular confidence region, given by single value of horizontal uncertainty (meter) 530.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 107
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.45236
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 3
Type of magnitude ML
Reference to an origin 117775291
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-27 13:35:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LINA.HHZ. 2023-05-27T13:21:19.88 3.0 negative manual Pg 12.03 0
OX.CIMO.HHZ. 2023-05-27T13:21:17.08 3.0 undecidable manual Sg 8.6 0
IV.CMPR.HHZ. 2023-05-27T13:20:59.74 3.0 undecidable manual Sg 5.67 0
AC.VLO.HHZ. 2023-05-27T13:20:51.81 3.0 undecidable manual Pn 2.3 0
IV.ALJA.HHZ. 2023-05-27T13:20:51.81 3.0 positive manual Pg 8.98 0
GU.GRAM.HHZ. 2023-05-27T13:20:49.48 3.0 undecidable manual Sg 3.8 0
IV.MUCR.HHZ. 2023-05-27T13:20:41.68 3.0 positive manual Pn 0.05 0
GU.CANO.HHZ. 2023-05-27T13:20:33.84 3.0 negative manual Pg 9.39 0
IV.FIU.EHZ. 2023-05-27T13:20:31.89 3.0 undecidable manual Sg -1.07 0
IV.MMN.HHZ. 2023-05-27T13:20:27.69 3.0 undecidable manual Pg 2.87 0
IV.PTCC.HHZ. 2023-05-27T13:20:26.74 3.0 undecidable manual Pg 1.47 0
IV.GATE.HHZ. 2023-05-27T13:20:22.89 3.0 undecidable manual Sn -5.08 0
IV.ROVR.HHZ. 2023-05-27T13:20:18.44 3.0 undecidable manual Pg 0.33 0
IV.RCAV.EHZ. 2023-05-27T13:19:51.92 3.0 undecidable manual S -6.98 0
IV.RIBO.EHZ.01 2023-05-27T13:19:49.27 3.0 undecidable manual P -3.16 0
IV.MOMA.HHZ. 2023-05-27T13:19:30.68 0.6 undecidable manual S 315 26.751 109 0.11 47
IV.FDMO.HHZ. 2023-05-27T13:19:29.54 0.3 undecidable manual P 27 50.2164 98 -0.4 65
IV.CESX.HHZ. 2023-05-27T13:19:28.41 0.6 undecidable manual S 261 17.9709 122 -0.02 49
IV.LNSS.HNE. 2023-05-27T13:19:28.92 0.6 undecidable manual S 100 19.6692 118 0.1 48
IV.ARRO.EHZ. 2023-05-27T13:19:26.31 0.3 undecidable manual S 207 6.8931 153 -0.07 74
IV.MOMA.HHZ. 2023-05-27T13:19:26.48 0.3 undecidable manual P 315 26.751 109 0.07 72
IV.GAVE.EHZ. 2023-05-27T13:19:26.76 0.1 undecidable manual S 49 9.7791 143 -0.04 100
IV.CESX.HHZ. 2023-05-27T13:19:25.11 0.1 undecidable manual P 261 17.9709 122 -0.06 97
IV.LNSS.HNE. 2023-05-27T13:19:25.52 0.6 undecidable manual P 100 19.6692 118 0.12 48
IV.GAVE.EHZ. 2023-05-27T13:19:24.35 0.1 undecidable manual P 49 9.7791 143 0.12 98
IV.ARRO.EHZ. 2023-05-27T13:19:24.10 0.3 undecidable manual P 207 6.8931 153 0.11 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARRO.EHE. ML:0.9 0.000074027285 0.64 AML other m 2023-05-27T13:19:27.24
IV.ARRO.EHN. ML:0.9 0.00007367691500000001 1.2224 AML other m 2023-05-27T13:19:27.21
IV.GAVE.EHN. ML:1.2 0.00015627575 0.3776 AML other m 2023-05-27T13:19:27.10
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download