Earthquake with magnitude of Md 1.1 on date 08-03-2023 and time 12:52:00 (UTC) in region 6 km S Cascia (PG)

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

  • 08-03-2023 12:52:00 (UTC)
  • 08-03-2023 13:52:00 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6650, 13.0280 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
Cascia PG 6 3217 3217
Monteleone di Spoleto PG 6 599 3816
Poggiodomo PG 9 117 3933
Cittareale RI 12 482 4415
Leonessa RI 13 2435 6850
Norcia PG 15 4957 11807
Posta RI 17 694 12501
Scheggino PG 17 461 12962
Sant'Anatolia di Narco PG 17 564 13526
Polino TR 17 233 13759
Vallo di Nera PG 18 364 14123
Accumoli RI 18 667 14790
Borbona RI 19 617 15407
Cerreto di Spoleto PG 20 1075 16482

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Terni (111501 inhabitants)
42 Km SE of Foligno (57155 inhabitants)
46 Km NW of L'Aquila (69753 inhabitants)
55 Km W of Teramo (54892 inhabitants)
72 Km SE of Perugia (166134 inhabitants)
78 Km NE of Guidonia Montecelio (88673 inhabitants)
80 Km N of Tivoli (56533 inhabitants)
80 Km E of Viterbo (67173 inhabitants)
93 Km W of Montesilvano (53738 inhabitants)
97 Km NE of Roma (2864731 inhabitants)
100 Km W of Chieti (51815 inhabitants)
100 Km W of Pescara (121014 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
Md 1.1 2023-03-08
12:52:00
42.6652 13.0283 10 2023-03-08
12:58:04
Sala Sismica INGV-Roma 115108111
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-08 12:52:00 ± 0.09
Latitude 42.6652 ± 0.0045
Longitude 13.0283 ± 0.0061
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 115108111

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 513
Semi-minor axis of confidence ellipse (meter) 338
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 224
Circular confidence region, given by single value of horizontal uncertainty (meter) 510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 113
Number of associated phases, regardless of their use for origin computation 15
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) 0.42538
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 7
Magnitude information

Md:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 5
Type of magnitude Md
Reference to an origin 115108111
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-08 12:58:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2023-03-08T12:52:15.10 0.6 undecidable manual S 96 47.2194 50 -0.3 45
IV.MC2.EHZ. 2023-03-08T12:52:11.17 0.6 undecidable manual S 26 30.2475 50 0.28 47
IV.SMA1.EHZ. 2023-03-08T12:52:09.80 0.6 undecidable manual S 99 25.3524 111 0.3 47
IV.RM33.EHZ. 2023-03-08T12:52:08.66 0.6 undecidable manual S 139 23.0547 113 -0.11 49
IV.TERO.HHZ. 2023-03-08T12:52:08.73 0.6 undecidable manual P 96 47.2194 50 -0.19 46
IV.NRCA.HHZ. 2023-03-08T12:52:07.50 0.6 undecidable manual S 20 19.9689 116 -0.3 48
IV.MC2.EHZ. 2023-03-08T12:52:06.40 1.0 negative manual P 26 30.2475 50 0.08 24
IV.SMA1.EHZ. 2023-03-08T12:52:05.66 0.3 undecidable manual P 99 25.3524 111 0.14 73
IV.GAVE.EHZ. 2023-03-08T12:52:05.15 0.6 undecidable manual S 285 11.3775 131 -0.14 50
IV.RM33.EHZ. 2023-03-08T12:52:05.10 1.0 undecidable manual P 139 23.0547 113 0.01 25
IV.TRTR.HHZ. 2023-03-08T12:52:04.36 3.0 positive manual P -4.06 0
IV.LNSS.HHZ. 2023-03-08T12:52:04.18 0.6 undecidable manual S 172 6.993 145 -0.08 51
IV.NRCA.HHZ. 2023-03-08T12:52:04.42 1.0 undecidable manual P 20 19.9689 116 -0.11 25
IV.GAVE.EHZ. 2023-03-08T12:52:03.21 0.1 positive manual P 285 11.3775 131 0.13 100
IV.LNSS.HHZ. 2023-03-08T12:52:02.64 1.0 undecidable manual P 172 6.993 145 0.15 25
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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