A magnitude ML 0.5 earthquake occured in region: 3 km SW Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7560, 13.2660 at 13 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 |
---|---|---|---|---|
Arquata del Tronto | AP | 3 | 1178 | 1178 |
Accumoli | RI | 7 | 667 | 1845 |
Montegallo | AP | 11 | 523 | 2368 |
Acquasanta Terme | AP | 12 | 2916 | 5284 |
Amatrice | RI | 14 | 2657 | 7941 |
Norcia | PG | 15 | 4957 | 12898 |
Montemonaco | AP | 17 | 604 | 13502 |
Cittareale | RI | 18 | 482 | 13984 |
Castelsantangelo sul Nera | MC | 18 | 281 | 14265 |
Valle Castellana | TE | 19 | 977 | 15242 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.5 | 2020-10-23 02:33:12 |
42.7562 | 13.2662 | 13 | 2020-10-23 02:40:14 |
Sala Sismica INGV-Roma | 84045361 |
Field | Value |
---|---|
Time (UTC) | 2020-10-23 02:33:12 ± 0.13 |
Latitude | 42.7562 ± 0.0036 |
Longitude | 13.2662 ± 0.0061 |
Depth (km) | 13 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 84045361 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 460 |
Semi-minor axis of confidence ellipse (meter) | 158 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 72 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 460.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 78 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.19 |
Epicentral distance of station closest to the epicenter (degree) | 0.09533 |
Epicentral distance of station farthest from the epicenter (degree) | 0.28149 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 84045361 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-10-23 02:40:14 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TERO.HHZ. | 2020-10-23T02:33:23.15 | 0.6 | undecidable | manual | S | 118 | 31.2465 | 95 | -0.19 | 61 |
IV.RM33.EHZ. | 2020-10-23T02:33:22.36 | 0.6 | undecidable | manual | S | 189 | 27.75 | 96 | -0.05 | 64 |
IV.LNSS.HNZ. | 2020-10-23T02:33:21.68 | 0.6 | undecidable | manual | S | 227 | 25.0527 | 97 | -0.02 | 65 |
IV.MC2.EHZ. | 2020-10-23T02:33:20.05 | 0.6 | undecidable | manual | S | 340 | 18.3705 | 105 | 0.12 | 64 |
IV.MMO1.EHZ. | 2020-10-23T02:33:19.40 | 0.6 | undecidable | manual | S | 17 | 16.6722 | 108 | -0.09 | 65 |
IV.NRCA.HHZ. | 2020-10-23T02:33:18.66 | 0.6 | undecidable | manual | S | 305 | 15.0738 | 112 | -0.44 | 61 |
IV.MTRA.HNZ. | 2020-10-23T02:33:18.00 | 0.6 | undecidable | manual | S | 90 | 10.5783 | 127 | -0.07 | 66 |
IV.SMA1.EHZ. | 2020-10-23T02:33:18.73 | 0.6 | undecidable | manual | S | 158 | 15.0738 | 112 | -0.37 | 61 |
IV.RM33.EHZ. | 2020-10-23T02:33:18.38 | 0.3 | undecidable | manual | P | 189 | 27.75 | 96 | 0.15 | 95 |
IV.TERO.HHZ. | 2020-10-23T02:33:18.79 | 0.6 | undecidable | manual | P | 118 | 31.2465 | 95 | 0.02 | 64 |
IV.T1299.HNZ. | 2020-10-23T02:33:18.94 | 0.6 | undecidable | manual | S | 174 | 13.5753 | 117 | 0.2 | 64 |
IV.LNSS.HNZ. | 2020-10-23T02:33:17.67 | 0.3 | undecidable | manual | P | 227 | 25.0527 | 97 | -0.15 | 95 |
IV.MC2.EHZ. | 2020-10-23T02:33:17.36 | 0.3 | undecidable | manual | P | 340 | 18.3705 | 105 | 0.56 | 87 |
IV.MMO1.EHZ. | 2020-10-23T02:33:16.50 | 0.3 | undecidable | manual | P | 17 | 16.6722 | 108 | -0.05 | 98 |
IV.T1299.HNZ. | 2020-10-23T02:33:16.39 | 0.3 | undecidable | manual | P | 174 | 13.5753 | 117 | 0.28 | 95 |
IV.NRCA.HHZ. | 2020-10-23T02:33:16.15 | 0.3 | undecidable | manual | P | 305 | 15.0738 | 112 | -0.17 | 96 |
IV.SMA1.EHZ. | 2020-10-23T02:33:16.32 | 0.3 | undecidable | manual | P | 158 | 15.0738 | 112 | 0 | 99 |
IV.MTRA.HNZ. | 2020-10-23T02:33:15.76 | 0.3 | undecidable | manual | P | 90 | 10.5783 | 127 | 0.04 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SMA1.EHE. | ML:0.2 | 0.000016018415 | 0.28 | AML | other | m | 2020-10-23T02:33:21.37 |
IV.SMA1.EHN. | ML:0.4 | 0.000017522369999999998 | 0.0992 | AML | other | m | 2020-10-23T02:33:19.72 |
IV.RM33.EHE. | ML:0.5 | 0.00001671645 | 0.16 | AML | other | m | 2020-10-23T02:33:23.07 |
IV.RM33.EHN. | ML:0.5 | 0.000016550645 | 0.12 | AML | other | m | 2020-10-23T02:33:22.77 |
IV.TERO.HHE. | ML:0.6 | 0.00001911205 | 0.0608 | AML | other | m | 2020-10-23T02:33:23.59 |
IV.TERO.HHN. | ML:0.6 | 0.000019549185 | 0.08 | AML | other | m | 2020-10-23T02:33:23.60 |