Earthquake with magnitude of ML 1.3 on date 28-02-2023 and time 11:08:48 (Italy) in region 5 km NE Giano dell'Umbria (PG)

A magnitude ML 1.3 earthquake occured in region: 5 km NE Giano dell'Umbria (PG), on

  • 28-02-2023 10:08:48 (UTC)
  • 28-02-2023 11:08:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8600, 12.6210 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
Giano dell'Umbria PG 5 3846 3846
Montefalco PG 5 5679 9525
Castel Ritaldi PG 6 3278 12803
Gualdo Cattaneo PG 8 6155 18958
Bevagna PG 8 5081 24039
Trevi PG 11 8469 32508
Massa Martana PG 12 3770 36278
Foligno PG 13 57155 93433
Campello sul Clitunno PG 14 2442 95875
Collazzone PG 15 3473 99348
Cannara PG 15 4305 103653
Spello PG 15 8645 112298
Spoleto PG 17 38218 150516
Todi PG 19 16851 167367
Acquasparta TR 20 4778 172145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km SW of Foligno (57155 inhabitants)
33 Km N of Terni (111501 inhabitants)
33 Km SE of Perugia (166134 inhabitants)
65 Km NE of Viterbo (67173 inhabitants)
85 Km NW of L'Aquila (69753 inhabitants)
90 Km SE of Arezzo (99543 inhabitants)
91 Km W of Teramo (54892 inhabitants)
96 Km N of Guidonia Montecelio (88673 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 1.3 2023-02-28
10:08:48
42.8605 12.6207 10 2023-02-28
10:19:13
Sala Sismica INGV-Roma 114877361
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-28 10:08:48 ± 0.06
Latitude 42.8605 ± 0.0027
Longitude 12.6207 ± 0.0074
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 114877361

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 621
Semi-minor axis of confidence ellipse (meter) 252
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 282
Circular confidence region, given by single value of horizontal uncertainty (meter) 620.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 149
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.48563
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 114877361
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-28 10:19:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SIRI.HNZ. 2023-02-28T10:10:39.49 3.0 undecidable manual Sg 6.13 0
OX.SABO.HNZ. 2023-02-28T10:10:29.62 3.0 undecidable manual Sg 5.75 0
IV.MSSA.HHZ. 2023-02-28T10:10:15.91 3.0 undecidable manual Sg 4.6 0
1J.FX11.HHZ. 2023-02-28T10:10:10.57 3.0 negative manual Pn -0.41 0
IV.IFIL.HHZ. 2023-02-28T10:10:00.00 3.0 undecidable manual Pn -1.52 0
CR.STON.BHZ. 2023-02-28T10:09:55.76 3.0 undecidable manual Pg 5.3 0
IV.BAG8.HNZ. 2023-02-28T10:09:51.72 3.0 positive manual Pg 6.29 0
IV.TDS.HHZ. 2023-02-28T10:09:51.68 3.0 undecidable manual Pn -5.83 0
IV.GIUL.HHZ. 2023-02-28T10:09:13.59 3.0 negative manual P -4.59 0
IV.CSP1.EHZ. 2023-02-28T10:09:06.64 0.1 undecidable manual S 61 53.9016 50 0.6 80
IV.FDMO.HHZ. 2023-02-28T10:09:03.10 0.3 undecidable manual S 63 42.624 50 0.07 70
IV.ARVD.HHZ. 2023-02-28T10:09:03.16 3.0 negative manual P -3.48 0
IV.NRCA.HHZ. 2023-02-28T10:09:02.59 0.3 undecidable manual S 94 40.2264 50 0.19 69
IV.ATCC.HNZ. 2023-02-28T10:09:01.36 0.3 undecidable manual S 2 36.0417 50 0.09 71
IV.GUMA.HHZ. 2023-02-28T10:09:00.50 3.0 positive manual P -3.55 0
IV.ARRO.EHN. 2023-02-28T10:09:00.48 0.3 undecidable manual S 159 33.3444 50 -0.08 71
IV.GAVE.HNE. 2023-02-28T10:08:59.14 0.3 undecidable manual S 130 29.0487 50 -0.27 69
IV.CESX.HHZ. 2023-02-28T10:08:59.13 0.1 undecidable manual S 186 28.0497 50 -0.02 97
IV.CESI.HHZ. 2023-02-28T10:08:58.85 0.1 undecidable manual S 55 28.0497 50 -0.3 91
IV.CSP1.EHZ. 2023-02-28T10:08:58.84 0.6 negative manual P 61 53.9016 50 0.03 46
IV.ASSB.HHZ. 2023-02-28T10:08:56.64 0.3 undecidable manual S 9 20.4684 116 -0.16 72
IV.ATCC.HNZ. 2023-02-28T10:08:56.04 0.1 undecidable manual P 2 36.0417 50 -0.01 96
IV.NRCA.HHZ. 2023-02-28T10:08:56.52 0.6 positive manual P 94 40.2264 50 -0.18 46
IV.FDMO.HHZ. 2023-02-28T10:08:56.95 1.0 positive manual P 63 42.624 50 -0.12 23
IV.ARRO.EHN. 2023-02-28T10:08:55.69 0.6 undecidable manual P 159 33.3444 50 0.05 48
IV.CESX.HHZ. 2023-02-28T10:08:54.93 0.6 positive manual P 186 28.0497 50 0.1 48
IV.GAVE.HNE. 2023-02-28T10:08:54.92 0.3 undecidable manual P 130 29.0487 50 -0.05 72
IV.CESI.HHZ. 2023-02-28T10:08:54.60 0.6 negative manual P 55 28.0497 50 -0.22 46
IV.MOMA.HHZ. 2023-02-28T10:08:53.33 0.3 undecidable manual S 213 7.4814 143 0.11 74
IV.ASSB.HHZ. 2023-02-28T10:08:53.40 0.1 undecidable manual P 9 20.4684 116 -0.07 97
IV.MOMA.HHZ. 2023-02-28T10:08:51.44 0.1 positive manual P 213 7.4814 143 0.04 100
IT.GNU.HGE. 2023-02-28T10:08:51.48 0.1 undecidable manual P 213 7.4814 143 0.08 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.3 0.0000708 0.42 AML other m 2023-02-28T10:09:03.68
IV.NRCA.HHE. ML:1.3 0.00007274999999999999 0.5 AML other m 2023-02-28T10:09:03.74
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