Earthquake with magnitude of ML 1.1 on date 12-05-2023 and time 15:18:37 (Italy) in region 1 km SE Cerreto di Spoleto (PG)

A magnitude ML 1.1 earthquake occured in region: 1 km SE Cerreto di Spoleto (PG), on

  • 12-05-2023 13:18:37 (UTC)
  • 12-05-2023 15:18:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8120, 12.9310 at 11 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 1 1075 1075
Vallo di Nera PG 7 364 1439
Sellano PG 9 1079 2518
Poggiodomo PG 11 117 2635
Sant'Anatolia di Narco PG 12 564 3199
Preci PG 12 724 3923
Cascia PG 12 3217 7140
Campello sul Clitunno PG 13 2442 9582
Norcia PG 14 4957 14539
Scheggino PG 14 461 15000
Trevi PG 17 8469 23469
Spoleto PG 18 38218 61687
Monteleone di Spoleto PG 18 599 62286
Visso MC 19 1107 63393

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km SE of Foligno (57155 inhabitants)
36 Km NE of Terni (111501 inhabitants)
55 Km SE of Perugia (166134 inhabitants)
64 Km NW of L'Aquila (69753 inhabitants)
66 Km W of Teramo (54892 inhabitants)
81 Km NE of Viterbo (67173 inhabitants)
92 Km N of Guidonia Montecelio (88673 inhabitants)
95 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 1.1 2023-05-12
13:18:37
42.8123 12.9307 11 2023-05-12
13:28:43
Sala Sismica INGV-Roma 117289761
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-12 13:18:37 ± 0.11
Latitude 42.8123 ± 0.0045
Longitude 12.9307 ± 0.0123
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117289761

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 980
Semi-minor axis of confidence ellipse (meter) 166
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 86
Circular confidence region, given by single value of horizontal uncertainty (meter) 980.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 126
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.30397
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 117289761
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-12 13:28:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
mn.BZS.HHZ. 2023-05-12T13:20:21.22 3.0 undecidable manual Pn 12.82 0
GU.MGRO.HHZ. 2023-05-12T13:20:17.17 3.0 undecidable manual Sn 2.81 0
IV.CMPR.HHZ. 2023-05-12T13:20:15.32 3.0 undecidable manual Sg 10.3 0
IV.ESML.HHZ. 2023-05-12T13:20:14.06 3.0 positive manual Pg 17.66 0
1J.FX12.HHZ.00 2023-05-12T13:20:11.54 3.0 positive manual Pg 18.49 0
IV.MSRU.HHZ. 2023-05-12T13:20:05.34 3.0 negative manual Pg 15.33 0
MN.SENA.HHZ. 2023-05-12T13:20:04.81 3.0 undecidable manual Sn -9.82 0
MN.BNI.HHZ. 2023-05-12T13:19:56.86 3.0 negative manual Pg 13.65 0
7C.SPAOL.HHZ. 2023-05-12T13:19:50.98 3.0 negative manual Pn -6.87 0
IV.MCRV.HHZ. 2023-05-12T13:19:49.07 3.0 undecidable manual Sn -5 0
IV.CRND.HNZ. 2023-05-12T13:19:45.13 3.0 undecidable manual Sn -1.66 0
MN.TRI.HHZ. 2023-05-12T13:19:44.64 3.0 undecidable manual Sn 1.18 0
GU.IMI.HHZ. 2023-05-12T13:19:34.40 3.0 undecidable manual Pn 6.71 0
IV.CELB.HHZ. 2023-05-12T13:19:31.68 3.0 undecidable manual Sg 0.04 0
GU.RNCA.HHZ. 2023-05-12T13:19:18.53 3.0 negative manual Pn -1.03 0
IV.MCRV.HHZ. 2023-05-12T13:19:12.41 3.0 positive manual Pn -5.01 0
IV.GATE.HHZ. 2023-05-12T13:19:11.32 3.0 negative manual Pg 3.56 0
IV.TRIF.CHZ. 2023-05-12T13:18:57.42 3.0 undecidable manual Pg 0.39 0
IV.ASSB.HHZ. 2023-05-12T13:18:48.49 0.3 undecidable manual S 319 33.744 50 -0.12 74
IV.FDMO.HHZ. 2023-05-12T13:18:47.24 0.3 undecidable manual S 27 27.9498 50 0.18 76
IV.LNSS.HHZ. 2023-05-12T13:18:46.33 0.3 undecidable manual S 159 24.8529 50 0.09 77
IV.CESI.HHZ. 2023-05-12T13:18:45.59 0.1 undecidable manual S 354 21.4674 50 0.26 99
IV.GAVE.EHZ. 2023-05-12T13:18:43.12 0.3 undecidable manual S 193 13.6752 129 -0.04 79
IV.NRCA.HHZ. 2023-05-12T13:18:43.74 0.6 undecidable manual S 81 15.1737 126 0.17 50
IV.FDMO.HHZ. 2023-05-12T13:18:42.95 0.3 undecidable manual P 27 27.9498 50 0.1 76
IV.ASSB.HHZ. 2023-05-12T13:18:42.54 1.0 undecidable manual P 319 33.744 50 -1.21 17
IV.LNSS.HHZ. 2023-05-12T13:18:42.38 0.3 undecidable manual P 159 24.8529 50 0 77
IV.CESI.HHZ. 2023-05-12T13:18:41.98 0.3 undecidable manual P 354 21.4674 50 0.13 76
IV.NRCA.HHZ. 2023-05-12T13:18:40.11 0.3 undecidable manual P 81 15.1737 126 -0.72 66
IV.GAVE.EHZ. 2023-05-12T13:18:40.83 0.1 positive manual P 193 13.6752 129 0.23 100
IV.ATFO.HHZ. 2023-05-12T13:18:38.24 3.0 positive manual P 1.27 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHN. ML:1.4 0.000232 0.16 AML other m 2023-05-12T13:18:43.40
IV.GAVE.EHE. ML:1.3 0.0001795 0.4 AML other m 2023-05-12T13:18:43.68
IV.NRCA.HHN. ML:1.0 0.00009515 0.08 AML other m 2023-05-12T13:18:43.86
IV.NRCA.HHE. ML:1.0 0.0000949 0.16 AML other m 2023-05-12T13:18:43.79
IV.CESI.HHN. ML:1.1 0.00008585 0.34 AML other m 2023-05-12T13:18:45.68
IV.LNSS.HHE. ML:1.0 0.00006584999999999999 0.14 AML other m 2023-05-12T13:18:46.81
IV.CESI.HHE. ML:0.8 0.00003945 1.46 AML other m 2023-05-12T13:18:46.23
IV.LNSS.HHN. ML:1.0 0.0000546 0.58 AML other m 2023-05-12T13:18:47.23
IV.FDMO.HHN. ML:0.9 0.00003800000000000001 0.58 AML other m 2023-05-12T13:18:47.64
IV.FDMO.HHE. ML:1.1 0.0000591 0.38 AML other m 2023-05-12T13:18:47.38
IV.NRCA.HNE. ML:1.1 0.00011886067 0.1792 AML other m 2023-05-12T13:18:43.79
IV.NRCA.HNN. ML:1.3 0.0001912581 3.4432 AML other m 2023-05-12T13:18:44.50
IV.LNSS.HNE. ML:1.5 0.000182212235 5.2416 AML other m 2023-05-12T13:18:46.48
IV.LNSS.HNN. ML:1.6 0.000228876 9.0048 AML other m 2023-05-12T13:18:49.58
IV.ASSB.HHE. ML:0.6 0.000017343659000000003 0.16 AML other m 2023-05-12T13:18:49.99
IV.ASSB.HHN. ML:0.7 0.000019115324999999998 0.1664 AML other m 2023-05-12T13:18:50.08
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