A magnitude ML 0.6 earthquake occured in region: 3 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8190, 13.1140 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 | 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 |
Sellano | PG | 17 | 1079 | 14062 |
Accumoli | RI | 18 | 667 | 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 0.6 | 2020-07-18 17:59:18 |
42.8187 | 13.1145 | 10 | 2020-07-18 18:56:03 |
Sala Sismica INGV-Roma | 81140401 |
Field | Value |
---|---|
Time (UTC) | 2020-07-18 17:59:18 ± 0.17 |
Latitude | 42.8187 ± 0.0063 |
Longitude | 13.1145 ± 0.0074 |
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 | 81140401 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 724 |
Semi-minor axis of confidence ellipse (meter) | 597 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 196 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 720.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 292 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 10 |
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) | 0.28059 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 0.6 |
Uncertainty | 0.0 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 81140401 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-07-18 18:56:03 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2020-07-18T17:59:29.47 | 0.1 | undecidable | manual | S | 14 | 31.1466 | 50 | -0.09 | 95 |
IV.FDMO.HHZ. | 2020-07-18T17:59:27.52 | 0.1 | undecidable | manual | S | 355 | 24.2535 | 112 | 0.01 | 98 |
IV.TERO.HHZ. | 2020-07-18T17:59:26.91 | 3.0 | undecidable | manual | P | 0 | 0 | |||
IV.MMO1.EHZ. | 2020-07-18T17:59:25.98 | 0.1 | undecidable | manual | S | 63 | 19.4694 | 116 | 0 | 99 |
IV.CSP1.EHZ. | 2020-07-18T17:59:24.82 | 1.0 | negative | manual | P | 14 | 31.1466 | 50 | -0.04 | 24 |
IV.MC2.EHZ. | 2020-07-18T17:59:23.76 | 0.1 | undecidable | manual | S | 30 | 11.9769 | 129 | -0.01 | 100 |
IV.FDMO.HHZ. | 2020-07-18T17:59:23.66 | 0.1 | undecidable | manual | P | 355 | 24.2535 | 112 | -0.02 | 98 |
IV.GAVE.EHZ. | 2020-07-18T17:59:23.25 | 3.0 | positive | manual | P | 0.02 | 0 | |||
IV.MMO1.EHZ. | 2020-07-18T17:59:22.68 | 0.1 | undecidable | manual | P | 63 | 19.4694 | 116 | -0.12 | 97 |
IV.MC2.EHZ. | 2020-07-18T17:59:21.85 | 0.1 | positive | manual | P | 30 | 11.9769 | 129 | 0.33 | 94 |
IV.NRCA.HHZ. | 2020-07-18T17:59:21.63 | 0.1 | undecidable | manual | S | 359 | 1.5984 | 170 | -0.21 | 98 |
IV.NRCA.HHZ. | 2020-07-18T17:59:20.52 | 0.1 | undecidable | manual | P | 359 | 1.5984 | 170 | 0.11 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.GAVE.EHN. | ML:0.6 | 0.00002565 | 0.48 | AML | other | m | 2020-07-18T17:59:27.90 |
IV.GAVE.EHE. | ML:0.6 | 0.00002685 | 1.18 | AML | other | m | 2020-07-18T17:59:27.91 |