Earthquake with magnitude of ML 0.8 on date 20-06-2023 and time 03:09:47 (Italy) in region 3 km SW Poggiodomo (PG)

A magnitude ML 0.8 earthquake occured in region: 3 km SW Poggiodomo (PG), on

  • 20-06-2023 01:09:47 (UTC)
  • 20-06-2023 03:09:47 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6940, 12.9140 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
Poggiodomo PG 3 117 117
Monteleone di Spoleto PG 6 599 716
Scheggino PG 7 461 1177
Sant'Anatolia di Narco PG 8 564 1741
Cascia PG 9 3217 4958
Vallo di Nera PG 9 364 5322
Ferentillo TR 13 1913 7235
Polino TR 13 233 7468
Cerreto di Spoleto PG 14 1075 8543
Spoleto PG 15 38218 46761
Leonessa RI 15 2435 49196
Montefranco TR 16 1276 50472
Arrone TR 17 2763 53235
Campello sul Clitunno PG 18 2442 55677
Norcia PG 18 4957 60634
Morro Reatino RI 20 373 61007

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km NE of Terni (111501 inhabitants)
34 Km SE of Foligno (57155 inhabitants)
55 Km NW of L'Aquila (69753 inhabitants)
63 Km SE of Perugia (166134 inhabitants)
65 Km W of Teramo (54892 inhabitants)
73 Km E of Viterbo (67173 inhabitants)
79 Km N of Guidonia Montecelio (88673 inhabitants)
82 Km N of Tivoli (56533 inhabitants)
96 Km NE of Roma (2864731 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 0.8 2023-06-20
01:09:47
42.694 12.9137 10 2023-06-20
03:36:08
Sala Sismica INGV-Roma 118576751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-20 01:09:47 ± 0.04
Latitude 42.6940 ± 0.0027
Longitude 12.9137 ± 0.0037
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 118576751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 330
Semi-minor axis of confidence ellipse (meter) 264
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 272
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) 90
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.01439
Epicentral distance of station farthest from the epicenter (degree) 0.39570
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 118576751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-06-20 03:36:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2023-06-20T01:10:01.44 0.6 undecidable manual S 332 43.9227 50 -0.1 47
IV.FDMO.HHZ. 2023-06-20T01:10:00.71 0.6 undecidable manual S 20 40.5261 50 0.06 48
IV.CESI.HHZ. 2023-06-20T01:09:59.18 0.6 undecidable manual S 359 34.5432 50 0.14 47
IV.RM33.EHZ. 2023-06-20T01:09:58.41 0.6 undecidable manual S 130 32.0457 50 0.04 49
IV.ASSB.HHZ. 2023-06-20T01:09:55.40 0.3 undecidable manual P 332 43.9227 50 -0.09 71
IV.NRCA.HHZ. 2023-06-20T01:09:55.52 0.6 undecidable manual S 46 22.4553 115 -0.29 47
IV.FDMO.HHZ. 2023-06-20T01:09:54.96 0.6 positive manual P 20 40.5261 50 -0.01 48
IV.CESI.HHZ. 2023-06-20T01:09:54.07 0.1 undecidable manual P 359 34.5432 50 0.03 97
IV.LNSS.HHZ. 2023-06-20T01:09:53.34 0.6 undecidable manual S 134 14.4744 126 -0.04 50
IV.RM33.EHZ. 2023-06-20T01:09:53.56 1.0 undecidable manual P 130 32.0457 50 -0.1 24
IV.ARRO.EHZ. 2023-06-20T01:09:53.97 0.6 undecidable manual S 224 17.5713 121 -0.32 47
IV.NRCA.HHZ. 2023-06-20T01:09:52.14 0.3 negative manual P 46 22.4553 115 -0.04 74
IV.ARRO.EHZ. 2023-06-20T01:09:51.33 0.1 positive manual P 224 17.5713 121 0.03 100
IV.GAVE.EHZ. 2023-06-20T01:09:50.87 0.6 undecidable manual S 263 1.5984 171 0.02 52
IV.LNSS.HHZ. 2023-06-20T01:09:50.89 0.6 negative manual P 134 14.4744 126 0.11 49
IV.GAVE.EHZ. 2023-06-20T01:09:49.55 0.1 negative manual P 263 1.5984 171 0.24 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHE. ML:1.1 0.000242 0.98 AML other m 2023-06-20T01:09:50.35
IV.GAVE.EHN. ML:1.3 0.000356 1.76 AML other m 2023-06-20T01:09:50.94
IV.LNSS.HHE. ML:1.0 0.0000982 0.28 AML other m 2023-06-20T01:09:53.71
IV.ARRO.EHN. ML:0.7 0.0000473 0.1 AML other m 2023-06-20T01:09:54.12
IV.LNSS.HHN. ML:0.9 0.00007285 0.82 AML other m 2023-06-20T01:09:54.60
IV.ARRO.EHE. ML:0.8 0.00005640000000000001 0.2 AML other m 2023-06-20T01:09:54.21
IV.NRCA.HHE. ML:0.8 0.00003875 1.16 AML other m 2023-06-20T01:09:56.68
IV.NRCA.HHN. ML:0.7 0.00003555 0.14 AML other m 2023-06-20T01:09:56.94
IV.RM33.EHN. ML:0.5 0.000012650000000000001 0.2 AML other m 2023-06-20T01:09:58.78
IV.RM33.EHE. ML:0.5 0.000015044999999999999 0.86 AML other m 2023-06-20T01:09:59.59
IV.FDMO.HHE. ML:0.8 0.00001765 0.18 AML other m 2023-06-20T01:10:00.95
IV.ASSB.HHN. ML:0.7 0.0000128 0.5 AML other m 2023-06-20T01:10:01.38
IV.FDMO.HHN. ML:0.6 0.000016550000000000002 1.66 AML other m 2023-06-20T01:10:02.84
IV.ASSB.HHE. ML:0.5 0.0000115 0.32 AML other m 2023-06-20T01:10:02.67
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