A magnitude ML 0.5 earthquake occured in region: 3 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8170, 13.1170 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 | 3 | 4957 | 4957 |
Castelsantangelo sul Nera | MC | 9 | 281 | 5238 |
Preci | PG | 9 | 724 | 5962 |
Visso | MC | 13 | 1107 | 7069 |
Cascia | PG | 14 | 3217 | 10286 |
Ussita | MC | 14 | 444 | 10730 |
Arquata del Tronto | AP | 16 | 1178 | 11908 |
Cerreto di Spoleto | PG | 16 | 1075 | 12983 |
Accumoli | RI | 17 | 667 | 13650 |
Sellano | PG | 17 | 1079 | 14729 |
Montegallo | AP | 18 | 523 | 15252 |
Poggiodomo | PG | 19 | 117 | 15369 |
Montemonaco | AP | 20 | 604 | 15973 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.5 | 2022-07-31 03:38:26 |
42.8167 | 13.1172 | 11 | 2022-07-31 04:23:15 |
Sala Sismica INGV-Roma | 107902251 |
Field | Value |
---|---|
Time (UTC) | 2022-07-31 03:38:26 ± 0.06 |
Latitude | 42.8167 ± 0.0027 |
Longitude | 13.1172 ± 0.0049 |
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 | 107902251 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 411 |
Semi-minor axis of confidence ellipse (meter) | 299 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 74 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 410.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 125 |
Number of associated phases, regardless of their use for origin computation | 33 |
Number of defining phases | 24 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.18 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.31566 |
Number of stations at which the event was observed | 21 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 107902251 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2022-07-31 04:23:15 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
AC.VLO.HHZ. | 2022-07-31T03:39:42.61 | 3.0 | positive | manual | Pn | -0.38 | 0 | |||
IV.VARE.HHZ. | 2022-07-31T03:39:41.52 | 3.0 | positive | manual | Pg | 10.73 | 0 | |||
IV.SPS2.HHZ. | 2022-07-31T03:39:37.47 | 3.0 | positive | manual | Pg | 8.69 | 0 | |||
IV.SFI.EHZ. | 2022-07-31T03:39:10.94 | 3.0 | undecidable | manual | S | 0.71 | 0 | |||
OT.OT05.EHZ. | 2022-07-31T03:39:07.08 | 3.0 | positive | manual | Pg | 7.32 | 0 | |||
IV.ZCCA.HHZ. | 2022-07-31T03:39:04.10 | 3.0 | undecidable | manual | Pn | 3.2 | 0 | |||
IV.SAMA.EHZ. | 2022-07-31T03:38:45.85 | 3.0 | undecidable | manual | P | 0.13 | 0 | |||
IV.LPEL.HHZ. | 2022-07-31T03:38:44.81 | 3.0 | undecidable | manual | P | -0.24 | 0 | |||
IV.RM33.HNE. | 2022-07-31T03:38:38.07 | 0.6 | undecidable | manual | S | 167 | 35.0427 | 50 | 0.05 | 48 |
IV.PP3.EHZ. | 2022-07-31T03:38:38.40 | 3.0 | negative | manual | P | -0.08 | 0 | |||
IV.CSP1.EHZ. | 2022-07-31T03:38:37.12 | 0.3 | undecidable | manual | S | 13 | 31.3464 | 50 | 0.09 | 72 |
IV.SMA1.EHZ. | 2022-07-31T03:38:36.05 | 0.3 | undecidable | manual | S | 139 | 27.2505 | 50 | 0.11 | 72 |
IV.CESI.HHZ. | 2022-07-31T03:38:35.73 | 0.3 | undecidable | manual | S | 320 | 27.0507 | 50 | -0.17 | 71 |
IV.LNSS.HHZ. | 2022-07-31T03:38:35.05 | 0.3 | undecidable | manual | S | 195 | 24.5532 | 50 | -0.16 | 71 |
IV.FDMO.HHZ. | 2022-07-31T03:38:34.90 | 0.3 | undecidable | manual | S | 354 | 24.5532 | 50 | -0.31 | 69 |
IV.MTRA.HNZ. | 2022-07-31T03:38:34.99 | 0.6 | undecidable | manual | S | 106 | 23.6541 | 50 | 0 | 49 |
IV.RM33.HNE. | 2022-07-31T03:38:33.02 | 0.1 | undecidable | manual | P | 167 | 35.0427 | 50 | 0.02 | 96 |
IV.MMO1.EHZ. | 2022-07-31T03:38:33.47 | 0.3 | undecidable | manual | S | 62 | 19.3695 | 119 | -0.35 | 69 |
7F.SIB2.EHZ. | 2022-07-31T03:38:32.99 | 0.3 | undecidable | manual | S | 61 | 17.2716 | 122 | -0.21 | 71 |
IV.CSP1.EHZ. | 2022-07-31T03:38:32.81 | 0.1 | undecidable | manual | P | 13 | 31.3464 | 50 | 0.38 | 90 |
7F.SIB3.EHZ. | 2022-07-31T03:38:32.04 | 0.3 | undecidable | manual | S | 62 | 13.9749 | 127 | -0.22 | 72 |
IV.MC2.EHZ. | 2022-07-31T03:38:32.09 | 0.3 | undecidable | manual | S | 29 | 12.0768 | 132 | 0.36 | 70 |
IV.SMA1.EHZ. | 2022-07-31T03:38:31.82 | 0.1 | undecidable | manual | P | 139 | 27.2505 | 50 | 0.03 | 97 |
IV.FDMO.HHZ. | 2022-07-31T03:38:31.37 | 0.6 | negative | manual | P | 354 | 24.5532 | 50 | 0 | 49 |
IV.MTRA.HNZ. | 2022-07-31T03:38:31.19 | 0.3 | undecidable | manual | P | 106 | 23.6541 | 50 | -0.06 | 73 |
IV.CESI.HHZ. | 2022-07-31T03:38:31.67 | 0.1 | undecidable | manual | P | 320 | 27.0507 | 50 | -0.1 | 96 |
IV.LNSS.HHZ. | 2022-07-31T03:38:31.38 | 0.1 | undecidable | manual | P | 195 | 24.5532 | 50 | 0 | 98 |
IV.MMO1.EHZ. | 2022-07-31T03:38:30.61 | 1.0 | negative | manual | P | 62 | 19.3695 | 119 | 0.04 | 25 |
7F.SIB2.EHZ. | 2022-07-31T03:38:30.22 | 0.1 | undecidable | manual | P | 61 | 17.2716 | 122 | 0.01 | 99 |
IV.MC2.EHZ. | 2022-07-31T03:38:29.72 | 0.1 | undecidable | manual | P | 29 | 12.0768 | 132 | 0.35 | 93 |
IV.NRCA.HHZ. | 2022-07-31T03:38:29.66 | 0.3 | undecidable | manual | S | 353 | 1.8981 | 170 | -0.26 | 73 |
7F.SIB3.EHZ. | 2022-07-31T03:38:29.76 | 0.1 | undecidable | manual | P | 62 | 13.9749 | 127 | 0.09 | 98 |
IV.NRCA.HHZ. | 2022-07-31T03:38:28.42 | 0.1 | undecidable | manual | P | 353 | 1.8981 | 170 | 0.1 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.1 | 0.00022550000000000003 | 0.08 | AML | other | m | 2022-07-31T03:38:29.75 |
IV.NRCA.HHE. | ML:1.3 | 0.000365 | 0.08 | AML | other | m | 2022-07-31T03:38:29.88 |
IV.CESI.HHE. | ML:0.3 | 0.000012186185 | 0.24 | AML | other | m | 2022-07-31T03:38:36.34 |
IV.CESI.HHN. | ML:0.4 | 0.0000173 | 1.72 | AML | other | m | 2022-07-31T03:38:35.13 |
IV.NRCA.HNE. | ML:1.3 | 0.0003282002 | 0.08 | AML | other | m | 2022-07-31T03:38:29.84 |
IV.NRCA.HNN. | ML:1.1 | 0.00020378385 | 0.08 | AML | other | m | 2022-07-31T03:38:29.75 |
IV.MMO1.EHE. | ML:0.3 | 0.00001735458 | 0.16 | AML | other | m | 2022-07-31T03:38:34.85 |
IV.MMO1.EHN. | ML:0.4 | 0.000020842094999999998 | 0.12 | AML | other | m | 2022-07-31T03:38:34.31 |
IV.FDMO.HHE. | ML:0.2 | 0.0000095268905 | 0.2192 | AML | other | m | 2022-07-31T03:38:35.92 |
IV.FDMO.HHN. | ML:0.4 | 0.0000128513175 | 0.16 | AML | other | m | 2022-07-31T03:38:36.28 |
IV.SMA1.EHE. | ML:0.4 | 0.000013382868000000001 | 0.48 | AML | other | m | 2022-07-31T03:38:42.30 |
IV.SMA1.EHN. | ML:0.4 | 0.0000160774415 | 0.4192 | AML | other | m | 2022-07-31T03:38:38.95 |