A magnitude ML 1.7 earthquake occured in region: 2 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8110, 13.1070 at 11 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.
Municipality | Region | Distance (km) | Inhabitants | Cumulative Inhabitants |
---|---|---|---|---|
Norcia | PG | 2 | 4957 | 4957 |
Preci | PG | 9 | 724 | 5681 |
Castelsantangelo sul Nera | MC | 10 | 281 | 5962 |
Cascia | PG | 13 | 3217 | 9179 |
Visso | MC | 14 | 1107 | 10286 |
Ussita | MC | 15 | 444 | 10730 |
Cerreto di Spoleto | PG | 16 | 1075 | 11805 |
Arquata del Tronto | AP | 16 | 1178 | 12983 |
Sellano | PG | 17 | 1079 | 14062 |
Accumoli | RI | 17 | 667 | 14729 |
Poggiodomo | PG | 18 | 117 | 14846 |
Montegallo | AP | 19 | 523 | 15369 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.7 | 2023-11-04 17:51:26 |
42.8108 | 13.1068 | 11 | 2023-11-04 17:59:52 |
Sala Sismica INGV-Roma | 122772151 |
Field | Value |
---|---|
Time (UTC) | 2023-11-04 17:51:26 ± 0.05 |
Latitude | 42.8108 ± 0.0027 |
Longitude | 13.1068 ± 0.0061 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 122772151 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 473 |
Semi-minor axis of confidence ellipse (meter) | 261 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 281 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 470.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 163 |
Number of associated phases, regardless of their use for origin computation | 38 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.11 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.24641 |
Number of stations at which the event was observed | 31 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 1.0 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 122772151 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-11-04 17:59:52 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.HAVL.HHZ. | 2023-11-04T17:53:07.68 | 3.0 | negative | manual | Pg | 15.09 | 0 | |||
7C.SPAOL.HNZ. | 2023-11-04T17:53:06.30 | 3.0 | positive | manual | Pg | 21.549999 | 0 | |||
AC.VLO.HHZ. | 2023-11-04T17:53:03.30 | 3.0 | undecidable | manual | Pg | 17.629999 | 0 | |||
IV.MTSN.HNZ. | 2023-11-04T17:53:02.92 | 3.0 | undecidable | manual | Sn | 1.6 | 0 | |||
GU.IMI.HHZ. | 2023-11-04T17:52:54.36 | 3.0 | undecidable | manual | Sg | 11.54 | 0 | |||
IV.MCEL.HHZ. | 2023-11-04T17:52:53.61 | 3.0 | undecidable | manual | Sn | -7.28 | 0 | |||
CH.MUGIO.HHZ. | 2023-11-04T17:52:46.62 | 3.0 | undecidable | manual | Sn | -4.53 | 0 | |||
IV.SALB.HHZ. | 2023-11-04T17:52:42.20 | 3.0 | positive | manual | Pg | 18.059999 | 0 | |||
IT.ORP.HGZ. | 2023-11-04T17:52:33.42 | 3.0 | undecidable | manual | Sn | -4.01 | 0 | |||
IV.CELI.HHZ. | 2023-11-04T17:52:27.78 | 3.0 | negative | manual | Pn | -2.45 | 0 | |||
NI.PALA.HHZ. | 2023-11-04T17:52:26.66 | 3.0 | undecidable | manual | Sn | -9.99 | 0 | |||
IV.CQUE.HHZ. | 2023-11-04T17:52:25.38 | 3.0 | undecidable | manual | Sn | -5.89 | 0 | |||
IV.MCI.EHZ. | 2023-11-04T17:52:16.10 | 3.0 | undecidable | manual | Sn | 0.65 | 0 | |||
IV.VCEL.EHZ. | 2023-11-04T17:52:11.00 | 3.0 | undecidable | manual | Sg | 10.77 | 0 | |||
IV.PAOL.HHZ. | 2023-11-04T17:52:10.83 | 3.0 | undecidable | manual | Pg | 10.9 | 0 | |||
ST.RONC.EHZ. | 2023-11-04T17:52:08.61 | 3.0 | positive | manual | Pg | 5.63 | 0 | |||
IV.CAFE.HHZ. | 2023-11-04T17:52:03.85 | 3.0 | negative | manual | Pn | -0.8 | 0 | |||
IV.VITU.HHZ. | 2023-11-04T17:52:02.02 | 3.0 | positive | manual | Pg | 3.26 | 0 | |||
IV.TERO.HHZ. | 2023-11-04T17:52:01.10 | 3.0 | undecidable | manual | Sg | 7.37 | 0 | |||
IT.PLTA.HNZ. | 2023-11-04T17:52:01.81 | 3.0 | undecidable | manual | Pg | 8.25 | 0 | |||
IV.FAGN.HHZ. | 2023-11-04T17:51:43.59 | 3.0 | undecidable | manual | S | 0 | ||||
IV.FAGN.HHZ. | 2023-11-04T17:51:38.10 | 3.0 | undecidable | manual | P | 0 | ||||
IV.SMA1.EHZ. | 2023-11-04T17:51:36.18 | 0.3 | undecidable | manual | S | 137 | 27.3504 | 50 | -0.14 | 71 |
IV.FDMO.HHZ. | 2023-11-04T17:51:35.61 | 0.3 | undecidable | manual | S | 356 | 25.0527 | 50 | -0.11 | 71 |
IV.LNSS.HHZ. | 2023-11-04T17:51:35.46 | 0.3 | undecidable | manual | S | 193 | 23.6541 | 50 | 0.11 | 71 |
IV.MMO1.EHZ. | 2023-11-04T17:51:34.46 | 0.3 | undecidable | manual | S | 61 | 20.3685 | 50 | -0.01 | 73 |
IV.MURB.HHZ. | 2023-11-04T17:51:33.10 | 3.0 | undecidable | manual | Sn | 0.85 | 0 | |||
IV.FNVD.HHZ. | 2023-11-04T17:51:33.92 | 3.0 | undecidable | manual | Pg | -4.89 | 0 | |||
IV.SMA1.EHZ. | 2023-11-04T17:51:32.42 | 1.0 | positive | manual | P | 137 | 27.3504 | 50 | 0.23 | 23 |
IV.CSP1.EHZ. | 2023-11-04T17:51:32.05 | 3.0 | undecidable | manual | Pg | 0 | ||||
IV.RM33.EHZ. | 2023-11-04T17:51:32.22 | 3.0 | undecidable | manual | P | 0 | ||||
IV.LNSS.HHZ. | 2023-11-04T17:51:31.53 | 0.1 | undecidable | manual | P | 193 | 23.6541 | 50 | -0.1 | 95 |
IV.MMO1.EHZ. | 2023-11-04T17:51:31.24 | 0.1 | undecidable | manual | P | 61 | 20.3685 | 50 | 0.12 | 96 |
IV.FDMO.HHZ. | 2023-11-04T17:51:31.95 | 0.6 | negative | manual | P | 356 | 25.0527 | 50 | 0.11 | 48 |
IV.NRCA.HHZ. | 2023-11-04T17:51:30.43 | 0.1 | undecidable | manual | S | 13 | 2.5974 | 167 | -0.05 | 100 |
IV.NRCA.HHZ. | 2023-11-04T17:51:28.97 | 1.0 | undecidable | manual | P | 13 | 2.5974 | 167 | 0.15 | 24 |
IV.MURB.HHZ. | 2023-11-04T17:51:23.85 | 3.0 | undecidable | manual | Pn | -2.07 | 0 | |||
IV.ATFO.HHZ. | 2023-11-04T17:51:20.65 | 3.0 | negative | manual | Pn | -6.11 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:0.9 | 0.00013350000000000002 | 0.1 | AML | other | m | 2023-11-04T17:51:31.90 |
IV.NRCA.HHE. | ML:0.8 | 0.00010475 | 0.08 | AML | other | m | 2023-11-04T17:51:31.94 |
IV.MURB.HNN. | ML:2.4 | 0.00044999999999999993 | 0.72 | AML | other | m | 2023-11-04T17:51:39.27 |
IV.MURB.HNE. | ML:2.6 | 0.0006730000000000001 | 0.68 | AML | other | m | 2023-11-04T17:51:47.37 |