Earthquake with magnitude of ML 0.8 on date 27-05-2023 and time 05:12:07 (UTC) in region 4 km E Cerreto di Spoleto (PG)

A magnitude ML 0.8 earthquake occured in region: 4 km E Cerreto di Spoleto (PG), on

  • 27-05-2023 05:12:07 (UTC)
  • 27-05-2023 07:12:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8320, 12.9620 at 10 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
Cerreto di Spoleto PG 4 1075 1075
Sellano PG 7 1079 2154
Preci PG 8 724 2878
Vallo di Nera PG 11 364 3242
Norcia PG 12 4957 8199
Cascia PG 13 3217 11416
Poggiodomo PG 14 117 11533
Sant'Anatolia di Narco PG 15 564 12097
Campello sul Clitunno PG 15 2442 14539
Visso MC 15 1107 15646
Scheggino PG 17 461 16107
Castelsantangelo sul Nera MC 17 281 16388
Trevi PG 18 8469 24857
Monte Cavallo MC 18 145 25002
Ussita MC 19 444 25446

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km SE of Foligno (57155 inhabitants)
40 Km NE of Terni (111501 inhabitants)
56 Km SE of Perugia (166134 inhabitants)
64 Km W of Teramo (54892 inhabitants)
64 Km NW of L'Aquila (69753 inhabitants)
84 Km NE of Viterbo (67173 inhabitants)
94 Km N of Guidonia Montecelio (88673 inhabitants)
97 Km N of Tivoli (56533 inhabitants)
98 Km SW of Ancona (100861 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 0.8 2023-05-27
05:12:07
42.8325 12.9617 11 2023-05-27
05:16:45
Sala Sismica INGV-Roma 117765241
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-27 05:12:07 ± 0.06
Latitude 42.8325 ± 0.0027
Longitude 12.9617 ± 0.0061
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117765241

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 500
Semi-minor axis of confidence ellipse (meter) 163
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 263
Circular confidence region, given by single value of horizontal uncertainty (meter) 500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 180
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.31476
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 117765241
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-27 05:16:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.AIO.HHZ. 2023-05-27T05:13:36.70 3.0 undecidable manual Pg 13.38 0
7C.SPAOL.HNZ. 2023-05-27T05:13:34.74 3.0 positive manual Pn 6.44 0
GU.POPM.HHZ. 2023-05-27T05:13:14.15 3.0 undecidable manual Sg 8.34 0
GU.GSCL.HHZ. 2023-05-27T05:13:12.36 3.0 undecidable manual Sn -0.41 0
IV.MELA.HHZ. 2023-05-27T05:13:04.55 3.0 undecidable manual Sn 0.05 0
IV.CMPR.HHZ. 2023-05-27T05:12:54.15 3.0 undecidable manual Pn -0.46 0
IV.OSSC.HHZ. 2023-05-27T05:12:51.87 3.0 undecidable manual S 0.21 0
IV.ATPI.EHZ. 2023-05-27T05:12:23.09 3.0 negative manual P 0.83 0
IV.CSP1.EHZ. 2023-05-27T05:12:19.56 0.6 undecidable manual S 34 34.9428 50 0.12 48
IV.LNSS.HHZ. 2023-05-27T05:12:17.10 0.6 undecidable manual S 166 26.2515 50 -0.04 50
IV.FDMO.HHZ. 2023-05-27T05:12:16.60 0.6 undecidable manual S 24 24.8529 50 -0.16 49
IV.CESI.HHZ. 2023-05-27T05:12:15.11 0.6 undecidable manual S 346 19.6692 118 -0.16 49
IV.CSP1.EHZ. 2023-05-27T05:12:14.38 0.1 undecidable manual P 34 34.9428 50 -0.03 98
IV.FDMO.HHZ. 2023-05-27T05:12:13.01 0.6 negative manual P 24 24.8529 50 0.15 49
IV.NRCA.HHZ. 2023-05-27T05:12:13.10 0.6 undecidable manual S 89 12.3765 130 -0.07 51
IV.LNSS.HHZ. 2023-05-27T05:12:13.06 0.1 undecidable manual P 166 26.2515 50 -0.02 100
IV.CESI.HHZ. 2023-05-27T05:12:12.12 0.3 positive manual P 346 19.6692 118 0.12 74
IV.NRCA.HHZ. 2023-05-27T05:12:10.98 1.0 positive manual P 89 12.3765 130 0.19 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:0.5 0.0000368 0.64 AML other m 2023-05-27T05:12:13.29
IV.NRCA.HHE. ML:0.6 0.00004465 1.88 AML other m 2023-05-27T05:12:14.97
IV.LNSS.HHN. ML:1.0 0.000054900000000000006 0.1 AML other m 2023-05-27T05:12:17.22
IV.LNSS.HHE. ML:1.2 0.000093 0.1 AML other m 2023-05-27T05:12:17.21
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download