Earthquake with magnitude of Md 1.1 on date 11-03-2023 and time 13:10:21 (UTC) in region 6 km SE Preci (PG)

A magnitude Md 1.1 earthquake occured in region: 6 km SE Preci (PG), on

  • 11-03-2023 13:10:21 (UTC)
  • 11-03-2023 14:10:21 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8500, 13.1040 at 15 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Preci PG 6 724 724
Norcia PG 6 4957 5681
Castelsantangelo sul Nera MC 7 281 5962
Visso MC 9 1107 7069
Ussita MC 11 444 7513
Sellano PG 15 1079 8592
Cerreto di Spoleto PG 16 1075 9667
Cascia PG 16 3217 12884
Arquata del Tronto AP 18 1178 14062
Monte Cavallo MC 18 145 14207
Montegallo AP 19 523 14730
Montemonaco AP 19 604 15334
Bolognola MC 19 142 15476

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km E of Foligno (57155 inhabitants)
49 Km NE of Terni (111501 inhabitants)
53 Km W of Teramo (54892 inhabitants)
60 Km NW of L'Aquila (69753 inhabitants)
65 Km E of Perugia (166134 inhabitants)
92 Km SW of Ancona (100861 inhabitants)
93 Km W of Montesilvano (53738 inhabitants)
95 Km NE of Viterbo (67173 inhabitants)
99 Km NE 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
Bulletin
Rev1000
Md 1.1 2023-03-11
13:10:21
42.8497 13.1043 15 2024-03-01
17:18:10
Bollettino Sismico Italiano INGV 117715051
Reviewed
Rev100
ML 0.9 2023-03-11
13:10:22
42.8243 13.0653 10 2023-03-11
13:19:42
Sala Sismica INGV-Roma 115253851
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-11 13:10:21 ± 0.27
Latitude 42.8497 ± 0.0162
Longitude 13.1043 ± 0.0724
Depth (km) 15 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 117715051

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 5957
Semi-minor axis of confidence ellipse (meter) 1128
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 260
Circular confidence region, given by single value of horizontal uncertainty (meter) 5960.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 161
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.38581
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 115253851
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-11 13:19:42

Md:1.1

Field Value
Value 1.1
Uncertainty 0.0
Num. used stations 1
Type of magnitude Md
Reference to an origin 117715051
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-05-25 12:12:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CH.MUGIO.HHZ. 2023-03-11T13:12:15.97 3.0 undecidable manual Sg 14.06 0
IV.HLNI.HHZ. 2023-03-11T13:12:01.60 3.0 undecidable manual Pg 15.16 0
IV.EPZF.HHZ. 2023-03-11T13:11:51.71 3.0 positive manual Pg 11.54 0
IX.MNT3.EHZ.02 2023-03-11T13:11:42.36 3.0 undecidable manual Sg 1.05 0
OX.MPRI.HHZ. 2023-03-11T13:11:40.94 3.0 undecidable manual Sn -6.69 0
IV.MPNC.HHZ. 2023-03-11T13:11:32.23 3.0 undecidable manual Pn -5.7 0
IV.AIO.HHZ. 2023-03-11T13:11:29.22 3.0 negative manual Pn -9.99 0
IV.MAGA.HHZ. 2023-03-11T13:11:18.09 3.0 undecidable manual Pg 12.82 0
GU.CARD.HHZ. 2023-03-11T13:11:12.15 3.0 undecidable manual Sn -0.34 0
IV.LRP.EHZ. 2023-03-11T13:11:00.35 3.0 undecidable manual Sg -9.76 0
IV.CSNT.HHZ. 2023-03-11T13:10:37.36 3.0 negative manual P 0.94 0
IV.CSP1.EHZ. 2023-03-11T13:10:30.68 3.0 negative manual P 2.72 0
IV.FDMO.HHZ. 2023-03-11T13:10:29.68 0.6 undecidable manual S 356 20.7681 111 -0.28 49
IV.CAMP.HHZ. 2023-03-11T13:10:29.65 0.3 undecidable manual P 144 42.8238 97 -0.16 70
IV.CESI.HHZ. 2023-03-11T13:10:26.73 1.0 undecidable manual P 317 23.6541 107 -0.18 24
IV.NRCA.HHZ. 2023-03-11T13:10:26.33 0.6 undecidable manual S 156 1.998 171 -0.28 49
IV.FDMO.HHZ. 2023-03-11T13:10:26.71 0.3 undecidable manual P 356 20.7681 111 0.22 73
IV.NRCA.HHZ. 2023-03-11T13:10:24.81 0.1 undecidable manual P 156 1.998 171 0.25 100
IV.MOMA.HHZ. 2023-03-11T13:10:23.13 3.0 undecidable manual P 0.52 0
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