Earthquake with magnitude of ML 0.5 on date 08-05-2023 and time 17:49:50 (Italy) in region 5 km SE Preci (PG)

A magnitude ML 0.5 earthquake occured in region: 5 km SE Preci (PG), on

  • 08-05-2023 15:49:50 (UTC)
  • 08-05-2023 17:49:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8380, 13.0630 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
Preci PG 5 724 724
Norcia PG 6 4957 5681
Castelsantangelo sul Nera MC 10 281 5962
Visso MC 11 1107 7069
Cerreto di Spoleto PG 12 1075 8144
Sellano PG 12 1079 9223
Ussita MC 14 444 9667
Cascia PG 14 3217 12884
Poggiodomo PG 17 117 13001
Vallo di Nera PG 18 364 13365
Monte Cavallo MC 18 145 13510

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km E of Foligno (57155 inhabitants)
46 Km NE of Terni (111501 inhabitants)
56 Km W of Teramo (54892 inhabitants)
61 Km NW of L'Aquila (69753 inhabitants)
63 Km E of Perugia (166134 inhabitants)
91 Km NE of Viterbo (67173 inhabitants)
94 Km SW of Ancona (100861 inhabitants)
96 Km W of Montesilvano (53738 inhabitants)
97 Km N of Guidonia Montecelio (88673 inhabitants)
100 Km N of Tivoli (56533 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 0.5 2023-05-08
15:49:50
42.8378 13.0628 10 2023-05-08
16:00:11
Sala Sismica INGV-Roma 117153301
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-08 15:49:50 ± 0.08
Latitude 42.8378 ± 0.0045
Longitude 13.0628 ± 0.0049
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117153301

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 535
Semi-minor axis of confidence ellipse (meter) 276
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 327
Circular confidence region, given by single value of horizontal uncertainty (meter) 530.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 145
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.23562
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 117153301
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-08 16:00:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LINA.HHZ. 2023-05-08T15:51:24.94 3.0 positive manual Pn 3.45 0
IV.SERS.HHZ. 2023-05-08T15:51:07.75 3.0 undecidable manual Pg 12.39 0
IV.PIPA.HHZ. 2023-05-08T15:50:49.58 3.0 undecidable manual Pn -2.17 0
GU.ENR.HHZ. 2023-05-08T15:50:48.45 3.0 undecidable manual Pg 8 0
IV.LNSS.HNZ. 2023-05-08T15:50:00.42 0.6 undecidable manual S 184 26.1516 50 -0.09 49
IV.MMO1.EHZ. 2023-05-08T15:49:59.37 0.6 undecidable manual S 72 22.5552 114 -0.04 50
IV.FDMO.HHZ. 2023-05-08T15:49:59.05 0.6 undecidable manual S 5 22.1556 114 -0.24 48
IV.GAVE.EHE. 2023-05-08T15:49:58.87 0.3 undecidable manual S 220 21.1677 115 -0.12 74
7F.SIB2.EHZ. 2023-05-08T15:49:58.72 0.6 undecidable manual S 73 20.4684 116 -0.05 50
7F.SIB3.EHZ. 2023-05-08T15:49:57.44 0.3 undecidable manual S 76 17.3715 120 -0.37 71
IV.LNSS.HNZ. 2023-05-08T15:49:56.40 0.1 undecidable manual P 184 26.1516 50 -0.03 100
IV.GAVE.EHE. 2023-05-08T15:49:55.61 0.3 undecidable manual P 220 21.1677 115 0.06 75
IV.FDMO.HHZ. 2023-05-08T15:49:55.82 0.6 negative manual P 5 22.1556 114 0.1 50
7F.SIB2.EHZ. 2023-05-08T15:49:55.63 0.1 undecidable manual P 73 20.4684 116 0.21 97
IV.MMO1.EHZ. 2023-05-08T15:49:55.94 0.6 negative manual P 72 22.5552 114 0.15 49
7F.SIB3.EHZ. 2023-05-08T15:49:54.99 0.1 undecidable manual P 76 17.3715 120 0.12 100
IV.NRCA.HHZ. 2023-05-08T15:49:54.72 0.6 undecidable manual S 96 4.1958 157 0.08 51
IV.NRCA.HHZ. 2023-05-08T15:49:53.32 1.0 undecidable manual P 96 4.1958 157 0.28 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.5 0.00001879277 0.1536 AML other m 2023-05-08T15:49:59.51
IV.FDMO.HHN. ML:0.4 0.00001657879 0.1792 AML other m 2023-05-08T15:49:59.49
IV.MMO1.EHE. ML:0.4 0.000016966495 0.128 AML other m 2023-05-08T15:49:59.80
IV.MMO1.EHN. ML:0.7 0.00003092956 4.992 AML other m 2023-05-08T15:49:59.21
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download