A magnitude ML 0.5 earthquake occured in region: 3 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.8060, 13.1320 at 14 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 | 4 | 4957 | 4957 |
Castelsantangelo sul Nera | MC | 10 | 281 | 5238 |
Preci | PG | 11 | 724 | 5962 |
Cascia | PG | 14 | 3217 | 9179 |
Arquata del Tronto | AP | 14 | 1178 | 10357 |
Visso | MC | 14 | 1107 | 11464 |
Ussita | MC | 15 | 444 | 11908 |
Accumoli | RI | 16 | 667 | 12575 |
Montegallo | AP | 17 | 523 | 13098 |
Cerreto di Spoleto | PG | 18 | 1075 | 14173 |
Poggiodomo | PG | 19 | 117 | 14290 |
Montemonaco | AP | 19 | 604 | 14894 |
Sellano | PG | 19 | 1079 | 15973 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.5 | 2021-10-25 17:46:42 |
42.8062 | 13.1325 | 14 | 2021-10-25 17:57:54 |
Sala Sismica INGV-Roma | 96986151 |
Field | Value |
---|---|
Time (UTC) | 2021-10-25 17:46:42 ± 0.11 |
Latitude | 42.8062 ± 0.0054 |
Longitude | 13.1325 ± 0.0098 |
Depth (km) | 14 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 96986151 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 800 |
Semi-minor axis of confidence ellipse (meter) | 351 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 93 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 800.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 122 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.21 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.39120 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.1 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 96986151 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-25 17:57:54 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RMP.HHZ. | 2021-10-25T17:47:17.90 | 3.0 | undecidable | manual | S | 0.01 | 0 | |||
IV.CSP1.EHZ. | 2021-10-25T17:46:54.36 | 0.3 | undecidable | manual | S | 10 | 32.2455 | 100 | 0.25 | 95 |
IV.CESI.HHZ. | 2021-10-25T17:46:53.13 | 0.3 | undecidable | manual | S | 320 | 28.749 | 102 | -0.08 | 97 |
IV.FDMO.HHZ. | 2021-10-25T17:46:52.24 | 0.3 | undecidable | manual | S | 352 | 25.8519 | 104 | -0.19 | 96 |
IV.LNSS.HHZ. | 2021-10-25T17:46:51.98 | 0.3 | undecidable | manual | S | 198 | 23.754 | 106 | 0.08 | 100 |
IV.MMO1.EHZ. | 2021-10-25T17:46:50.52 | 0.3 | undecidable | manual | S | 57 | 18.87 | 113 | -0.15 | 97 |
IV.TERO.HHZ. | 2021-10-25T17:46:50.69 | 0.3 | undecidable | manual | P | 118 | 43.4232 | 96 | -0.43 | 88 |
IV.CSP1.EHZ. | 2021-10-25T17:46:49.57 | 0.3 | undecidable | manual | P | 10 | 32.2455 | 100 | 0.17 | 97 |
IV.CESI.HHZ. | 2021-10-25T17:46:48.64 | 0.6 | undecidable | manual | P | 320 | 28.749 | 102 | -0.24 | 63 |
IV.LNSS.HHZ. | 2021-10-25T17:46:48.31 | 0.3 | undecidable | manual | P | 198 | 23.754 | 106 | 0.18 | 99 |
IV.FDMO.HHZ. | 2021-10-25T17:46:48.51 | 0.3 | undecidable | manual | P | 352 | 25.8519 | 104 | 0.08 | 100 |
IV.MMO1.EHZ. | 2021-10-25T17:46:47.64 | 0.3 | undecidable | manual | P | 57 | 18.87 | 113 | 0.22 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LNSS.HHE. | ML:0.6 | 0.0000234972 | 0.1152 | AML | other | m | 2021-10-25T17:46:53.38 |
IV.LNSS.HHN. | ML:0.6 | 0.0000274447995 | 0.1664 | AML | other | m | 2021-10-25T17:46:52.68 |
IV.FDMO.HHE. | ML:0.5 | 0.000015545969999999998 | 1.984 | AML | other | m | 2021-10-25T17:46:54.27 |
IV.FDMO.HHN. | ML:0.3 | 0.0000118048495 | 0.192 | AML | other | m | 2021-10-25T17:46:53.40 |
IV.CESI.HHE. | ML:0.5 | 0.000015242225500000001 | 0.1792 | AML | other | m | 2021-10-25T17:46:53.45 |
IV.CESI.HHN. | ML:0.6 | 0.000021338462999999998 | 0.2176 | AML | other | m | 2021-10-25T17:46:53.61 |