A magnitude ML 1.2 earthquake occured in region: 3 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8120, 13.1280 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.
Municipality | Region | Distance (km) | Inhabitants | Cumulative Inhabitants |
---|---|---|---|---|
Norcia | PG | 3 | 4957 | 4957 |
Castelsantangelo sul Nera | MC | 10 | 281 | 5238 |
Preci | PG | 10 | 724 | 5962 |
Visso | MC | 14 | 1107 | 7069 |
Cascia | PG | 14 | 3217 | 10286 |
Arquata del Tronto | AP | 15 | 1178 | 11464 |
Ussita | MC | 15 | 444 | 11908 |
Accumoli | RI | 16 | 667 | 12575 |
Montegallo | AP | 17 | 523 | 13098 |
Cerreto di Spoleto | PG | 17 | 1075 | 14173 |
Sellano | PG | 18 | 1079 | 15252 |
Poggiodomo | PG | 19 | 117 | 15369 |
Montemonaco | AP | 19 | 604 | 15973 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2023-04-19 08:59:39 |
42.8117 | 13.1275 | 10 | 2023-04-19 09:09:03 |
Sala Sismica INGV-Roma | 116512031 |
Field | Value |
---|---|
Time (UTC) | 2023-04-19 08:59:39 ± 0.06 |
Latitude | 42.8117 ± 0.0036 |
Longitude | 13.1275 ± 0.0049 |
Depth (km) | 10 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 116512031 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 446 |
Semi-minor axis of confidence ellipse (meter) | 365 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 239 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 450.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 95 |
Number of associated phases, regardless of their use for origin computation | 36 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.17 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.39750 |
Number of stations at which the event was observed | 25 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.8 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 116512031 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-04-19 09:09:03 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.LINA.HHZ. | 2023-04-19T09:01:21.74 | 3.0 | undecidable | manual | Pg | 10.71 | 0 | |||
IV.GIZZ.HHZ. | 2023-04-19T09:01:20.22 | 3.0 | undecidable | manual | Sn | -3.34 | 0 | |||
AC.SRN.HHZ. | 2023-04-19T09:01:10.55 | 3.0 | negative | manual | Pg | 15.16 | 0 | |||
7C.SPAOL.HNZ. | 2023-04-19T09:00:52.76 | 3.0 | undecidable | manual | Pn | 3.37 | 0 | |||
GU.CANO.HHZ. | 2023-04-19T09:00:47.80 | 3.0 | negative | manual | Pg | 8.36 | 0 | |||
GU.GSCL.HHZ. | 2023-04-19T09:00:42.58 | 3.0 | undecidable | manual | Sn | -9.99 | 0 | |||
IV.SPS2.HHZ. | 2023-04-19T09:00:42.00 | 3.0 | negative | manual | Pg | 9.79 | 0 | |||
CH.MUGIO.HHZ. | 2023-04-19T09:00:41.65 | 3.0 | undecidable | manual | Pn | -4.34 | 0 | |||
OT.OT17.EHZ. | 2023-04-19T09:00:22.70 | 3.0 | undecidable | manual | Sn | -0.26 | 0 | |||
CR.STON.BHZ. | 2023-04-19T09:00:21.92 | 3.0 | undecidable | manual | Pn | -0.13 | 0 | |||
IV.GATE.HHZ. | 2023-04-19T09:00:19.50 | 3.0 | undecidable | manual | Sn | 0.58 | 0 | |||
IV.MTRZ.HNZ. | 2023-04-19T09:00:17.19 | 3.0 | undecidable | manual | Pg | 3.18 | 0 | |||
IV.IMOL.HNZ. | 2023-04-19T09:00:05.40 | 3.0 | negative | manual | Pn | -7.14 | 0 | |||
IV.GATE.HHZ. | 2023-04-19T08:59:54.46 | 3.0 | positive | manual | Pn | -4.41 | 0 | |||
IV.TERO.HHZ. | 2023-04-19T08:59:53.93 | 1.0 | undecidable | manual | S | 118 | 44.1225 | 50 | -0.21 | 23 |
IV.VCEL.EHZ. | 2023-04-19T08:59:53.95 | 3.0 | undecidable | manual | S | 13.87 | 0 | |||
IV.MML1.EHZ. | 2023-04-19T08:59:52.11 | 0.6 | undecidable | manual | S | 339 | 35.8419 | 50 | 0.19 | 46 |
IV.RNI2.HHZ. | 2023-04-19T08:59:51.79 | 3.0 | positive | manual | Pg | 0.93 | 0 | |||
IV.CSP1.EHZ. | 2023-04-19T08:59:50.96 | 0.6 | undecidable | manual | S | 11 | 31.746 | 50 | 0.14 | 47 |
IV.SMA1.EHZ. | 2023-04-19T08:59:49.38 | 0.6 | undecidable | manual | S | 140 | 26.2515 | 110 | 0.03 | 49 |
IV.FDMO.HHZ. | 2023-04-19T08:59:49.02 | 0.6 | undecidable | manual | S | 353 | 25.1526 | 111 | 0.03 | 50 |
IV.CESI.HHZ. | 2023-04-19T08:59:49.87 | 0.6 | undecidable | manual | S | 320 | 28.0497 | 50 | 0.02 | 49 |
IV.GAVE.EHZ. | 2023-04-19T08:59:48.16 | 0.6 | undecidable | manual | S | 235 | 23.1546 | 113 | -0.19 | 48 |
IV.TERO.HHZ. | 2023-04-19T08:59:47.69 | 0.1 | undecidable | manual | P | 118 | 44.1225 | 50 | -0.31 | 91 |
IV.MMO1.EHZ. | 2023-04-19T08:59:46.82 | 0.6 | undecidable | manual | S | 59 | 18.87 | 117 | -0.19 | 48 |
IV.MML1.EHZ. | 2023-04-19T08:59:46.49 | 0.1 | undecidable | manual | P | 339 | 35.8419 | 50 | -0.23 | 94 |
IV.CSP1.EHZ. | 2023-04-19T08:59:46.20 | 0.6 | negative | manual | P | 11 | 31.746 | 50 | 0.11 | 48 |
IV.CESI.HHZ. | 2023-04-19T08:59:45.23 | 1.0 | undecidable | manual | P | 320 | 28.0497 | 50 | -0.3 | 23 |
IV.SMA1.EHZ. | 2023-04-19T08:59:45.60 | 0.1 | undecidable | manual | P | 140 | 26.2515 | 110 | 0.36 | 92 |
IV.FDMO.HHZ. | 2023-04-19T08:59:45.11 | 1.0 | positive | manual | P | 353 | 25.1526 | 111 | 0.08 | 25 |
IV.MMO1.EHZ. | 2023-04-19T08:59:44.01 | 0.3 | positive | manual | P | 59 | 18.87 | 117 | 0.12 | 74 |
IV.GAVE.EHZ. | 2023-04-19T08:59:44.79 | 0.6 | negative | manual | P | 235 | 23.1546 | 113 | 0.13 | 49 |
IV.NRCA.HHZ. | 2023-04-19T08:59:42.96 | 0.6 | undecidable | manual | S | 336 | 2.6973 | 165 | -0.19 | 49 |
IV.PTQR.HHZ. | 2023-04-19T08:59:42.73 | 3.0 | positive | manual | P | -0.81 | 0 | |||
IV.NRCA.HHZ. | 2023-04-19T08:59:41.87 | 0.1 | undecidable | manual | P | 336 | 2.6973 | 165 | 0.21 | 100 |
IV.VCEL.EHZ. | 2023-04-19T08:59:31.65 | 3.0 | undecidable | manual | P | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.2 | 0.00032099999999999994 | 1.9 | AML | other | m | 2023-04-19T08:59:44.02 |
IV.NRCA.HHE. | ML:1.3 | 0.00036899999999999997 | 1.52 | AML | other | m | 2023-04-19T08:59:44.80 |
IV.MMO1.EHE. | ML:1.2 | 0.00012165 | 0.66 | AML | other | m | 2023-04-19T08:59:47.22 |
IV.MMO1.EHN. | ML:1.2 | 0.000111 | 1.34 | AML | other | m | 2023-04-19T08:59:48.89 |
IV.GAVE.EHE. | ML:0.9 | 0.000053400000000000004 | 1.84 | AML | other | m | 2023-04-19T08:59:49.05 |
IV.FDMO.HHN. | ML:0.4 | 0.000017049999999999998 | 0.32 | AML | other | m | 2023-04-19T08:59:49.06 |
IV.FDMO.HHE. | ML:0.5 | 0.000019200000000000003 | 1.02 | AML | other | m | 2023-04-19T08:59:49.25 |
IV.GAVE.EHN. | ML:0.9 | 0.00005065 | 0.18 | AML | other | m | 2023-04-19T08:59:49.79 |
IV.CESI.HHE. | ML:0.8 | 0.000034500000000000005 | 0.44 | AML | other | m | 2023-04-19T08:59:50.32 |
IV.CESI.HHN. | ML:0.8 | 0.0000373 | 0.32 | AML | other | m | 2023-04-19T08:59:50.51 |
IV.RNI2.HHN. | ML:2.2 | 0.00009045 | 0.2 | AML | other | m | 2023-04-19T08:59:53.84 |
IV.RNI2.HHE. | ML:2.4 | 0.0001225 | 0.22 | AML | other | m | 2023-04-19T08:59:54.43 |
IV.IMOL.HNN. | ML:4.3 | 0.005755 | 0.74 | AML | other | m | 2023-04-19T09:00:13.30 |
IV.IMOL.HNE. | ML:4.5 | 0.009405000000000002 | 1.02 | AML | other | m | 2023-04-19T09:00:14.09 |
IV.GIZZ.HHN. | ML:3.8 | 0.0001955 | 0.08 | AML | other | m | 2023-04-19T09:01:54.65 |
IV.GIZZ.HHE. | ML:3.6 | 0.00013000000000000002 | 0.6 | AML | other | m | 2023-04-19T09:01:55.44 |