Earthquake with magnitude of ML 0.6 on date 23-02-2023 and time 17:06:46 (UTC) in region 4 km NE Cerreto di Spoleto (PG)

A magnitude ML 0.6 earthquake occured in region: 4 km NE Cerreto di Spoleto (PG), on

  • 23-02-2023 17:06:46 (UTC)
  • 23-02-2023 18:06:46 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8460, 12.9580 at 9 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 5 1079 2154
Preci PG 8 724 2878
Vallo di Nera PG 11 364 3242
Norcia PG 13 4957 8199
Visso MC 14 1107 9306
Cascia PG 15 3217 12523
Campello sul Clitunno PG 15 2442 14965
Poggiodomo PG 15 117 15082
Sant'Anatolia di Narco PG 16 564 15646
Monte Cavallo MC 17 145 15791
Castelsantangelo sul Nera MC 17 281 16072
Trevi PG 17 8469 24541
Scheggino PG 18 461 25002
Ussita MC 18 444 25446

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km SE of Foligno (57155 inhabitants)
41 Km NE of Terni (111501 inhabitants)
55 Km SE of Perugia (166134 inhabitants)
65 Km W of Teramo (54892 inhabitants)
66 Km NW of L'Aquila (69753 inhabitants)
84 Km NE of Viterbo (67173 inhabitants)
96 Km N of Guidonia Montecelio (88673 inhabitants)
97 Km SW of Ancona (100861 inhabitants)
99 Km N of Tivoli (56533 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 0.6 2023-02-23
17:06:46
42.8462 12.9578 9 2023-02-23
17:21:38
Sala Sismica INGV-Roma 114738361
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-23 17:06:46 ± 0.05
Latitude 42.8462 ± 0.0027
Longitude 12.9578 ± 0.0049
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 114738361

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 382
Semi-minor axis of confidence ellipse (meter) 276
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 109
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 101
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.28688
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.4
Num. used stations 6
Type of magnitude ML
Reference to an origin 114738361
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-23 17:21:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MTRZ.HHZ. 2023-02-23T17:07:28.44 3.0 undecidable manual Sg 0 0
IV.FOSV.EHZ. 2023-02-23T17:07:10.22 3.0 undecidable manual Sg -0.04 0
IV.MML1.EHZ. 2023-02-23T17:06:57.38 0.6 undecidable manual S 2 29.6481 50 -0.09 49
IV.MOMA.HNN. 2023-02-23T17:06:57.83 0.6 undecidable manual S 262 31.8459 50 -0.24 47
IV.CSNT.HHZ. 2023-02-23T17:06:57.19 3.0 positive manual Pg 0 0
IV.FDMO.HHZ. 2023-02-23T17:06:55.39 0.6 undecidable manual S 26 23.5542 112 -0.14 49
IV.MC2.EHZ. 2023-02-23T17:06:54.70 0.6 undecidable manual S 69 20.1687 115 0.26 48
IV.GAVE.EHZ. 2023-02-23T17:06:53.56 0.6 undecidable manual S 197 17.871 118 -0.16 49
IV.MOMA.HNN. 2023-02-23T17:06:53.50 0.1 undecidable manual P 262 31.8459 50 0.23 94
IV.PP3.EHZ. 2023-02-23T17:06:53.02 3.0 undecidable manual Pn -0.12 0
IV.CESI.HHZ. 2023-02-23T17:06:53.83 0.6 undecidable manual S 346 18.1707 117 0.02 50
IV.NRCA.HHZ. 2023-02-23T17:06:52.05 0.6 undecidable manual S 96 12.7761 126 -0.18 49
IV.MML1.EHZ. 2023-02-23T17:06:52.79 1.0 negative manual P 2 29.6481 50 -0.14 24
IV.CAFI.HHZ. 2023-02-23T17:06:51.89 3.0 undecidable manual Pg -1.46 0
IV.MC2.EHZ. 2023-02-23T17:06:51.26 1.0 negative manual P 69 20.1687 115 0.09 25
IV.FDMO.HHZ. 2023-02-23T17:06:51.68 0.6 positive manual P 26 23.5542 112 -0.13 49
IV.GAVE.EHZ. 2023-02-23T17:06:50.85 0.6 undecidable manual P 197 17.871 118 0.09 50
IV.CESI.HHZ. 2023-02-23T17:06:50.88 0.1 undecidable manual P 346 18.1707 117 0.06 100
IV.NRCA.HHZ. 2023-02-23T17:06:49.92 0.3 undecidable manual P 96 12.7761 126 0.02 76
IV.FOSV.EHZ. 2023-02-23T17:06:48.98 3.0 undecidable manual P -2.53 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FOSV.EHN. ML:1.3 0.000046 0.46 AML other m 2023-02-23T17:07:18.72
IV.FOSV.EHE. ML:1.1 0.00002755 0.56 AML other m 2023-02-23T17:07:18.72
IV.GAVE.EHE. ML:0.6 0.000029394490000000004 0.1664 AML other m 2023-02-23T17:06:54.53
IV.GAVE.EHN. ML:0.4 0.000019924474 0.1152 AML other m 2023-02-23T17:06:54.51
IV.CESI.HHE. ML:0.1 0.000009860831 0.1024 AML other m 2023-02-23T17:06:54.50
IV.CESI.HHN. ML:0.5 0.000024873550000000002 0.1536 AML other m 2023-02-23T17:06:54.14
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