Earthquake with magnitude of ML 0.9 on date 12-08-2023 and time 11:48:00 (Italy) in region 4 km W Campello sul Clitunno (PG)

A magnitude ML 0.9 earthquake occured in region: 4 km W Campello sul Clitunno (PG), on

  • 12-08-2023 09:48:00 (UTC)
  • 12-08-2023 11:48:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8310, 12.7320 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
Campello sul Clitunno PG 4 2442 2442
Castel Ritaldi PG 5 3278 5720
Trevi PG 5 8469 14189
Montefalco PG 10 5679 19868
Spoleto PG 11 38218 58086
Vallo di Nera PG 13 364 58450
Giano dell'Umbria PG 13 3846 62296
Sant'Anatolia di Narco PG 14 564 62860
Foligno PG 14 57155 120015
Cerreto di Spoleto PG 15 1075 121090
Bevagna PG 15 5081 126171
Scheggino PG 15 461 126632
Gualdo Cattaneo PG 17 6155 132787
Sellano PG 17 1079 133866
Massa Martana PG 18 3770 137636
Spello PG 19 8645 146281

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km S of Foligno (57155 inhabitants)
31 Km N of Terni (111501 inhabitants)
42 Km SE of Perugia (166134 inhabitants)
69 Km NE of Viterbo (67173 inhabitants)
76 Km NW of L'Aquila (69753 inhabitants)
82 Km W of Teramo (54892 inhabitants)
92 Km N of Guidonia Montecelio (88673 inhabitants)
97 Km N of Tivoli (56533 inhabitants)
99 Km SE of Arezzo (99543 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 0.9 2023-08-12
09:48:00
42.8312 12.7322 9 2023-08-12
09:57:01
Sala Sismica INGV-Roma 120050741
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-12 09:48:00 ± 0.06
Latitude 42.8312 ± 0.0027
Longitude 12.7322 ± 0.0025
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 120050741

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 335
Semi-minor axis of confidence ellipse (meter) 137
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 168
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 168
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.43257
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 120050741
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-12 09:57:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
RF.GEPF.HHZ. 2023-08-12T09:49:49.62 3.0 undecidable manual Sg 24.67 0
GU.GBOS.HHZ. 2023-08-12T09:49:46.19 3.0 undecidable manual Sg 20.74 0
SL.BOJS.BHZ. 2023-08-12T09:49:43.82 3.0 undecidable manual Sg 20.9 0
GU.CANO.HHZ. 2023-08-12T09:49:40.39 3.0 undecidable manual Sg 21.459999 0
GU.MGRO.HHZ. 2023-08-12T09:49:37.89 3.0 undecidable manual Sg 13.62 0
ST.RONC.EHZ. 2023-08-12T09:49:35.01 3.0 undecidable manual Sg 13.09 0
IV.MMGO.HHZ. 2023-08-12T09:49:13.47 3.0 undecidable manual Pg 8.52 0
IV.CORL.HHZ. 2023-08-12T09:49:07.98 3.0 positive manual Pg 5.7 0
IV.HLNI.HHZ. 2023-08-12T09:49:03.36 3.0 undecidable manual Pn -9.99 0
IV.SELL.HHZ. 2023-08-12T09:49:03.09 3.0 undecidable manual Pn -0.18 0
IV.IACL.HHZ. 2023-08-12T09:49:03.95 3.0 undecidable manual Pg 7.33 0
IV.MSRU.HHZ. 2023-08-12T09:48:58.18 3.0 negative manual Pn -6.68 0
SI.ROSI.HHZ. 2023-08-12T09:48:56.22 3.0 positive manual Pn 4.48 0
IV.LRP.EHZ. 2023-08-12T09:48:40.83 3.0 undecidable manual Sg 1.88 0
IV.ARVD.HHZ. 2023-08-12T09:48:37.71 3.0 undecidable manual Sg 10.83 0
IV.BRSN.HNZ. 2023-08-12T09:48:37.23 3.0 undecidable manual Sn -1.65 0
IX.SSB3.HHZ.02 2023-08-12T09:48:34.06 3.0 negative manual Pn 0.8 0
IV.FRON.EHZ. 2023-08-12T09:48:31.80 3.0 undecidable manual Sn 5.82 0
IV.PTRJ.HHZ. 2023-08-12T09:48:22.07 3.0 undecidable manual Pn -3.64 0
IV.CSP1.EHZ. 2023-08-12T09:48:16.38 0.3 undecidable manual S 53 48.0186 50 0.04 71
IV.OSSC.HHZ. 2023-08-12T09:48:15.37 3.0 negative manual Pg 2.92 0
IV.FRON.EHZ. 2023-08-12T09:48:14.78 3.0 undecidable manual Pg 4.84 0
IV.NRCA.HHZ. 2023-08-12T09:48:11.76 0.3 undecidable manual S 89 31.0467 105 0.08 72
IT.MTCL.HGE. 2023-08-12T09:48:10.68 0.3 undecidable manual S 50 28.2495 107 -0.05 73
IV.CSP1.EHZ. 2023-08-12T09:48:09.53 0.1 undecidable manual P 53 48.0186 50 -0.11 93
IV.CESI.HHZ. 2023-08-12T09:48:09.13 0.3 undecidable manual S 36 23.8539 110 -0.15 72
IV.ASSB.HHZ. 2023-08-12T09:48:09.38 0.3 undecidable manual S 346 24.1536 109 -0.02 74
IV.PTQR.HHZ. 2023-08-12T09:48:08.32 3.0 undecidable manual P -4.85 0
IV.NRCA.HHZ. 2023-08-12T09:48:06.83 0.1 undecidable manual P 89 31.0467 105 -0.13 96
IT.MTCL.HGE. 2023-08-12T09:48:06.63 0.3 undecidable manual P 50 28.2495 107 0.22 71
IV.MOMA.HHZ. 2023-08-12T09:48:05.96 0.3 undecidable manual S 257 13.5753 122 -0.09 74
IV.CESI.HHZ. 2023-08-12T09:48:05.66 0.1 undecidable manual P 36 23.8539 110 0.09 98
IV.ASSB.HHZ. 2023-08-12T09:48:05.70 0.1 undecidable manual P 346 24.1536 109 0.06 98
IV.MOMA.HHZ. 2023-08-12T09:48:03.76 0.1 undecidable manual P 257 13.5753 122 0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MOMA.HHN. ML:1.1 0.00012546575 0.1856 AML other m 2023-08-12T09:48:06.54
IV.MOMA.HHE. ML:1.2 0.00015999999999999999 0.12 AML other m 2023-08-12T09:48:06.65
IV.ASSB.HHE. ML:0.6 0.00002703957 0.1024 AML other m 2023-08-12T09:48:10.68
IV.ASSB.HHN. ML:0.7 0.000028650000000000002 0.18 AML other m 2023-08-12T09:48:09.97
IV.NRCA.HHE. ML:0.9 0.000037240710000000005 0.1024 AML other m 2023-08-12T09:48:13.56
IV.NRCA.HHN. ML:0.9 0.000032610205 0.0768 AML other m 2023-08-12T09:48:13.76
IV.MOMA.HNE. ML:1.1 0.000145891 0.1792 AML other m 2023-08-12T09:48:06.52
IV.MOMA.HNN. ML:0.9 0.00009738599 0.1856 AML other m 2023-08-12T09:48:06.21
IV.CSP1.EHE. ML:1.4 0.000063808885 0.1792 AML other m 2023-08-12T09:48:17.05
IV.CSP1.EHN. ML:0.3 0.000004262894999999996 0.0576 AML other m 2023-08-12T09:48:16.96
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