Earthquake with magnitude of ML 0.7 on date 07-04-2023 and time 19:35:51 (Italy) in region 4 km E Cerreto di Spoleto (PG)

A magnitude ML 0.7 earthquake occured in region: 4 km E Cerreto di Spoleto (PG), on

  • 07-04-2023 17:35:51 (UTC)
  • 07-04-2023 19:35:51 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8260, 12.9660 at 10 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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 8 1079 2154
Preci PG 8 724 2878
Vallo di Nera PG 10 364 3242
Norcia PG 11 4957 8199
Cascia PG 13 3217 11416
Poggiodomo PG 13 117 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 19 8469 24857
Monte Cavallo MC 19 145 25002
Ussita MC 19 444 25446
Monteleone di Spoleto PG 19 599 26045

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km SE of Foligno (57155 inhabitants)
39 Km NE of Terni (111501 inhabitants)
56 Km SE of Perugia (166134 inhabitants)
63 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)
99 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
Bulletin
Rev1000
ML 0.7 2023-04-07
17:35:51
42.8262 12.966 10 2024-03-01
17:18:05
Bollettino Sismico Italiano INGV 116834601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-07 17:35:51 ± 0.05
Latitude 42.8262 ± 0.0027
Longitude 12.9660 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116834601

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 338
Semi-minor axis of confidence ellipse (meter) 115
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 115
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 28
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) 0.35343
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 16
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 116834601
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-28 11:21:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PE3.EHZ. 2023-04-07T17:36:24.25 3.0 undecidable manual S -0.1 0
IV.CSP1.EHZ. 2023-04-07T17:36:03.65 0.6 undecidable manual S 33 35.2425 50 -0.04 49
IV.MMO1.EHZ. 2023-04-07T17:36:02.39 0.3 undecidable manual S 74 30.4473 50 0 74
7F.SIB2.EHZ. 2023-04-07T17:36:01.59 0.6 undecidable manual S 75 28.3494 50 -0.26 47
7F.SIB3.EHZ. 2023-04-07T17:36:00.59 0.6 undecidable manual S 77 25.3524 111 -0.27 47
7F.SIB1.EHZ. 2023-04-07T17:36:00.95 0.6 undecidable manual S 73 25.8519 110 -0.09 49
IV.LNSS.HHZ. 2023-04-07T17:36:00.63 0.3 undecidable manual S 166 25.4523 111 -0.29 70
IV.FDMO.HHZ. 2023-04-07T17:36:00.61 0.6 undecidable manual S 23 25.3524 111 -0.26 47
IV.CESI.HHZ. 2023-04-07T17:35:59.32 0.6 undecidable manual S 346 20.4684 115 0.01 50
IV.ARRO.EHZ. 2023-04-07T17:35:58.10 0.1 undecidable manual P 211 31.8459 50 0.1 96
IV.CSP1.EHZ. 2023-04-07T17:35:58.35 0.3 undecidable manual P 33 35.2425 50 -0.17 71
IV.MOMA.HNZ. 2023-04-07T17:35:58.24 0.1 undecidable manual P 266 32.3454 50 0.17 95
IV.CESX.HHE. 2023-04-07T17:35:58.75 0.1 undecidable manual P 232 39.2274 50 -0.38 90
IT.MTCL.HGZ. 2023-04-07T17:35:58.47 0.6 undecidable manual S 8 18.7701 117 -0.33 47
IV.ASSB.HHN. 2023-04-07T17:35:58.63 0.1 undecidable manual P 314 34.6431 50 0.2 94
IV.FEMA.HNZ. 2023-04-07T17:35:58.06 0.6 undecidable manual S 24 16.5723 120 -0.05 50
IV.NRCA.HHZ. 2023-04-07T17:35:57.10 0.6 undecidable manual S 86 12.0768 128 0.28 48
IV.GAVE.HNZ. 2023-04-07T17:35:57.89 0.3 undecidable manual S 202 15.9729 121 -0.04 75
IV.MMO1.EHZ. 2023-04-07T17:35:57.72 0.3 undecidable manual P 74 30.4473 50 -0.06 73
7F.SIB3.EHZ. 2023-04-07T17:35:57.21 0.3 undecidable manual P 77 25.3524 111 0.32 70
7F.SIB2.EHZ. 2023-04-07T17:35:57.90 0.6 undecidable manual P 75 28.3494 50 0.44 45
7F.SIB1.EHZ. 2023-04-07T17:35:57.35 0.3 undecidable manual P 73 25.8519 110 0.35 69
IV.FDMO.HHZ. 2023-04-07T17:35:56.76 0.1 undecidable manual P 23 25.3524 111 -0.14 97
IV.CESI.HHZ. 2023-04-07T17:35:56.02 0.1 positive manual P 346 20.4684 115 0.02 100
IV.LNSS.HHZ. 2023-04-07T17:35:56.76 0.3 undecidable manual P 166 25.4523 111 -0.17 72
IV.FEMA.HNZ. 2023-04-07T17:35:55.47 0.1 undecidable manual P 24 16.5723 120 0.17 98
IT.MTCL.HGZ. 2023-04-07T17:35:55.58 0.1 undecidable manual P 8 18.7701 117 -0.12 98
IV.GAVE.HNZ. 2023-04-07T17:35:55.34 0.1 undecidable manual P 202 15.9729 121 0.14 98
IV.NRCA.HHZ. 2023-04-07T17:35:54.84 0.6 undecidable manual P 86 12.0768 128 0.28 48
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.0 0.000114 0.58 AML other m 2023-04-07T17:35:57.51
IV.NRCA.HHE. ML:0.9 0.00009045 0.56 AML other m 2023-04-07T17:35:57.21
IV.CESI.HHN. ML:0.6 0.0000283 0.38 AML other m 2023-04-07T17:35:59.43
IV.CESI.HHE. ML:0.4 0.0000191 0.14 AML other m 2023-04-07T17:36:00.19
IV.LNSS.HHE. ML:0.7 0.0000313 1.16 AML other m 2023-04-07T17:36:00.82
IV.LNSS.HHN. ML:0.7 0.00002845 0.14 AML other m 2023-04-07T17:36:00.97
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