A magnitude ML 1.1 earthquake occured in region: 4 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8190, 13.1220 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 | 4 | 4957 | 4957 |
Castelsantangelo sul Nera | MC | 9 | 281 | 5238 |
Preci | PG | 10 | 724 | 5962 |
Visso | MC | 13 | 1107 | 7069 |
Ussita | MC | 14 | 444 | 7513 |
Cascia | PG | 14 | 3217 | 10730 |
Arquata del Tronto | AP | 15 | 1178 | 11908 |
Cerreto di Spoleto | PG | 17 | 1075 | 12983 |
Accumoli | RI | 17 | 667 | 13650 |
Montegallo | AP | 18 | 523 | 14173 |
Sellano | PG | 18 | 1079 | 15252 |
Montemonaco | AP | 19 | 604 | 15856 |
Poggiodomo | PG | 19 | 117 | 15973 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2019-09-12 01:39:36 |
42.8193 | 13.1215 | 11 | 2019-09-12 02:17:55 |
Sala Sismica INGV-Roma | 72328141 |
Field | Value |
---|---|
Time (UTC) | 2019-09-12 01:39:36 ± 0.08 |
Latitude | 42.8193 ± 0.0054 |
Longitude | 13.1215 ± 0.0098 |
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 | 72328141 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 889 |
Semi-minor axis of confidence ellipse (meter) | 342 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 126 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 890.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 171 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 12 |
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) | 0.01529 |
Epicentral distance of station farthest from the epicenter (degree) | 0.27879 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 72328141 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2019-09-12 02:17:55 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2019-09-12T01:39:47.17 | 0.1 | undecidable | manual | S | 13 | 30.9468 | 50 | -0.1 | 97 |
IV.FDMO.HHZ. | 2019-09-12T01:39:45.32 | 0.1 | undecidable | manual | S | 353 | 24.2535 | 50 | -0.15 | 97 |
IV.GAVE.EHZ. | 2019-09-12T01:39:45.23 | 0.1 | undecidable | manual | S | 233 | 23.2545 | 50 | 0.02 | 100 |
IV.MMO1.EHZ. | 2019-09-12T01:39:43.85 | 0.1 | undecidable | manual | S | 62 | 18.87 | 119 | -0.13 | 99 |
IV.CSP1.EHZ. | 2019-09-12T01:39:42.89 | 0.6 | negative | manual | P | 13 | 30.9468 | 50 | 0.2 | 48 |
IV.MC2.EHZ. | 2019-09-12T01:39:42.18 | 0.1 | undecidable | manual | S | 28 | 11.5773 | 133 | 0.26 | 97 |
IV.FDMO.HHZ. | 2019-09-12T01:39:41.79 | 0.6 | negative | manual | P | 353 | 24.2535 | 50 | 0.13 | 49 |
IV.GAVE.EHZ. | 2019-09-12T01:39:41.54 | 0.1 | undecidable | manual | P | 233 | 23.2545 | 50 | 0.03 | 100 |
IV.MMO1.EHZ. | 2019-09-12T01:39:40.74 | 0.6 | positive | manual | P | 62 | 18.87 | 119 | -0.06 | 50 |
IV.MC2.EHZ. | 2019-09-12T01:39:39.94 | 0.6 | positive | manual | P | 28 | 11.5773 | 133 | 0.34 | 48 |
IV.NRCA.HHZ. | 2019-09-12T01:39:39.95 | 0.1 | undecidable | manual | S | 339 | 1.6983 | 171 | -0.25 | 99 |
IV.NRCA.HHZ. | 2019-09-12T01:39:38.66 | 1.0 | undecidable | manual | P | 339 | 1.6983 | 171 | 0.05 | 26 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.2 | 0.00027850000000000005 | 1.86 | AML | other | m | 2019-09-12T01:39:40.04 |
IV.NRCA.HHE. | ML:1.1 | 0.000206 | 0.14 | AML | other | m | 2019-09-12T01:39:40.52 |