Earthquake with magnitude of ML 1.4 on date 16-03-2023 and time 08:08:57 (UTC) in region Cerreto di Spoleto (PG)

A magnitude ML 1.4 earthquake occured in region: Cerreto di Spoleto (PG), on

  • 16-03-2023 08:08:57 (UTC)
  • 16-03-2023 09:08:57 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8200, 12.9150 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 0 1075 1075
Vallo di Nera PG 7 364 1439
Sellano PG 8 1079 2518
Campello sul Clitunno PG 11 2442 4960
Sant'Anatolia di Narco PG 12 564 5524
Preci PG 12 724 6248
Poggiodomo PG 12 117 6365
Scheggino PG 14 461 6826
Cascia PG 14 3217 10043
Norcia PG 15 4957 15000
Trevi PG 15 8469 23469
Spoleto PG 17 38218 61687
Monteleone di Spoleto PG 19 599 62286
Visso MC 19 1107 63393
Castel Ritaldi PG 20 3278 66671

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km SE of Foligno (57155 inhabitants)
36 Km NE of Terni (111501 inhabitants)
53 Km SE of Perugia (166134 inhabitants)
65 Km NW of L'Aquila (69753 inhabitants)
67 Km W of Teramo (54892 inhabitants)
80 Km NE of Viterbo (67173 inhabitants)
92 Km N of Guidonia Montecelio (88673 inhabitants)
96 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 1.4 2023-03-16
08:08:57
42.8202 12.9148 10 2023-03-16
08:30:15
Sala Sismica INGV-Roma 115423411
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-16 08:08:57 ± 0.06
Latitude 42.8202 ± 0.0027
Longitude 12.9148 ± 0.0061
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 115423411

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 513
Semi-minor axis of confidence ellipse (meter) 245
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 107
Circular confidence region, given by single value of horizontal uncertainty (meter) 510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 115
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.12860
Epicentral distance of station farthest from the epicenter (degree) 0.52700
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 115423411
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-16 08:30:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2023-03-16T08:09:16.14 0.3 undecidable manual S 15 58.497 50 0.7 58
IV.CSP1.EHZ. 2023-03-16T08:09:10.34 0.3 undecidable manual S 38 38.2284 50 0.31 68
IV.MML1.EHZ. 2023-03-16T08:09:08.64 0.3 undecidable manual S 8 32.8449 50 0.04 72
IV.ASSB.HHN. 2023-03-16T08:09:08.17 0.3 undecidable manual S 320 32.2455 50 -0.27 69
IV.EL6.EHZ. 2023-03-16T08:09:07.26 1.0 undecidable manual P 15 58.497 50 -0.45 21
IV.ARRO.EHZ. 2023-03-16T08:09:07.65 0.3 undecidable manual S 205 29.3484 50 -0.02 73
IV.FDMO.HHZ. 2023-03-16T08:09:06.97 0.3 undecidable manual S 30 27.75 50 -0.27 70
IV.CESI.HHZ. 2023-03-16T08:09:05.19 0.1 undecidable manual S 358 20.4684 116 0.09 98
IV.CSP1.EHZ. 2023-03-16T08:09:04.53 0.6 undecidable manual P 38 38.2284 50 -0.06 48
IT.MTCL.HGZ. 2023-03-16T08:09:04.88 0.6 undecidable manual S 20 20.4684 116 -0.2 48
IV.GAVE.EHZ. 2023-03-16T08:09:03.29 0.3 undecidable manual S 187 14.2746 125 0.04 75
IV.NRCA.HHZ. 2023-03-16T08:09:03.66 0.1 undecidable manual S 85 16.2726 122 -0.16 97
IV.MML1.EHZ. 2023-03-16T08:09:03.76 0.1 undecidable manual P 8 32.8449 50 -0.01 97
IV.ASSB.HHN. 2023-03-16T08:09:03.58 0.3 undecidable manual P 320 32.2455 50 -0.09 72
IV.ARRO.EHZ. 2023-03-16T08:09:03.14 0.6 undecidable manual P 205 29.3484 50 -0.09 48
IV.FDMO.HHZ. 2023-03-16T08:09:02.83 0.1 undecidable manual P 30 27.75 50 -0.15 95
IV.CESI.HHZ. 2023-03-16T08:09:01.84 0.1 undecidable manual P 358 20.4684 116 0.09 98
IT.MTCL.HGZ. 2023-03-16T08:09:01.68 0.3 undecidable manual P 20 20.4684 116 -0.06 74
IV.NRCA.HHZ. 2023-03-16T08:09:01.02 0.1 positive manual P 85 16.2726 122 0.01 100
IV.GAVE.EHZ. 2023-03-16T08:09:00.96 0.3 undecidable manual P 187 14.2746 125 0.29 71
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHE. ML:1.6 0.0003695 0.42 AML other m 2023-03-16T08:09:03.67
IV.NRCA.HHN. ML:1.3 0.000184 0.1 AML other m 2023-03-16T08:09:03.74
IV.NRCA.HHE. ML:1.2 0.000127 0.92 AML other m 2023-03-16T08:09:03.95
IV.GAVE.EHN. ML:1.6 0.0003835 1.82 AML other m 2023-03-16T08:09:03.05
IV.MML1.EHE. ML:1.4 0.00010899999999999999 0.2 AML other m 2023-03-16T08:09:09.13
IV.MML1.EHN. ML:1.2 0.0000654 1.26 AML other m 2023-03-16T08:09:09.63
IV.GAVE.HNE. ML:0.0 0.00037037580000000005 0.1728 AML other m 2023-03-16T08:09:03.66
IV.NRCA.HNE. ML:0.0 0.00016124345 0.6912 AML other m 2023-03-16T08:09:04.58
IV.NRCA.HNN. ML:0.0 0.00018512905 0.128 AML other m 2023-03-16T08:09:03.74
IV.CESI.HHE. ML:0.0 0.000071412825 0.1408 AML other m 2023-03-16T08:09:05.58
IV.CESI.HHN. ML:0.0 0.00014828329500000002 0.1792 AML other m 2023-03-16T08:09:05.30
IV.FDMO.HHE. ML:0.0 0.00006904363999999999 0.3008 AML other m 2023-03-16T08:09:07.25
IV.FDMO.HHN. ML:0.0 0.000042485905 0.2048 AML other m 2023-03-16T08:09:07.58
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