Earthquake with magnitude of ML 1.1 on date 28-09-2022 and time 01:12:13 (UTC) in region 3 km SE Norcia (PG)

A magnitude ML 1.1 earthquake occured in region: 3 km SE Norcia (PG), on

  • 28-09-2022 01:12:13 (UTC)
  • 28-09-2022 03:12:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7710, 13.1070 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
Norcia PG 3 4957 4957
Cascia PG 10 3217 8174
Preci PG 13 724 8898
Accumoli RI 14 667 9565
Castelsantangelo sul Nera MC 14 281 9846
Poggiodomo PG 15 117 9963
Arquata del Tronto AP 16 1178 11141
Cerreto di Spoleto PG 16 1075 12216
Cittareale RI 18 482 12698
Visso MC 18 1107 13805
Monteleone di Spoleto PG 18 599 14404
Ussita MC 20 444 14848
Sellano PG 20 1079 15927
Vallo di Nera PG 20 364 16291

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km SE of Foligno (57155 inhabitants)
44 Km NE of Terni (111501 inhabitants)
50 Km W of Teramo (54892 inhabitants)
52 Km NW of L'Aquila (69753 inhabitants)
69 Km SE of Perugia (166134 inhabitants)
90 Km W of Montesilvano (53738 inhabitants)
91 Km E of Viterbo (67173 inhabitants)
91 Km NE of Guidonia Montecelio (88673 inhabitants)
93 Km N of Tivoli (56533 inhabitants)
97 Km W of Pescara (121014 inhabitants)
99 Km W of Chieti (51815 inhabitants)
100 Km SW of Ancona (100861 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 2022-09-28
01:12:13
42.7707 13.107 11 2022-09-28
01:18:45
Sala Sismica INGV-Roma 110235401
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-09-28 01:12:13 ± 0.12
Latitude 42.7707 ± 0.0045
Longitude 13.1070 ± 0.0135
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 110235401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1195
Semi-minor axis of confidence ellipse (meter) 288
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 291
Circular confidence region, given by single value of horizontal uncertainty (meter) 1190.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 169
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 14
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) 0.27339
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 110235401
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-09-28 01:18:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.VCEL.EHZ. 2022-09-28T01:12:36.31 3.0 undecidable manual Sn -0.11 0
IV.RM33.EHZ. 2022-09-28T01:12:24.36 0.6 undecidable manual S 163 0.2734 50 0.08 47
IV.SRES.HHZ. 2022-09-28T01:12:23.35 3.0 negative manual P -0.13 0
IV.SMA1.EHZ. 2022-09-28T01:12:23.01 0.3 undecidable manual S 130 0.2185 50 0.35 68
IV.MMO1.HNN. 2022-09-28T01:12:22.07 0.1 undecidable manual S 51 0.2059 50 -0.22 94
IV.LNSS.HHZ. 2022-09-28T01:12:21.16 0.3 undecidable manual S 196 0.1745 118 -0.09 73
IV.MC2.EHZ. 2022-09-28T01:12:20.90 0.3 undecidable manual S 23 0.1529 122 0.38 69
7F.SIB3.EHZ. 2022-09-28T01:12:20.48 0.3 undecidable manual S 49 0.1583 121 -0.23 71
IV.RM33.EHZ. 2022-09-28T01:12:19.45 1.0 undecidable manual P 163 0.2734 50 -0.31 23
IV.NRCA.HHZ. 2022-09-28T01:12:18.00 0.1 undecidable manual S 5 0.0630 146 0.03 100
IV.MMO1.HNN. 2022-09-28T01:12:18.66 0.1 undecidable manual P 51 0.2059 50 0.05 97
IV.SMA1.EHZ. 2022-09-28T01:12:18.72 1.0 undecidable manual P 130 0.2185 50 -0.11 24
IV.MC2.EHZ. 2022-09-28T01:12:17.78 1.0 undecidable manual P 23 0.1529 122 0.19 24
7F.SIB3.EHZ. 2022-09-28T01:12:17.59 0.1 undecidable manual P 49 0.1583 121 -0.11 97
IV.LNSS.HHZ. 2022-09-28T01:12:17.91 0.6 negative manual P 196 0.1745 118 -0.1 48
IV.NRCA.HHZ. 2022-09-28T01:12:16.25 1.0 undecidable manual P 5 0.0630 146 0.13 24
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.2 0.0002195 0.1 AML other m 2022-09-28T01:12:18.03
IV.NRCA.HHE. ML:1.0 0.00014250000000000002 1.3 AML other m 2022-09-28T01:12:18.22
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