A magnitude ML 1.1 earthquake occured in region: 3 km SW Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7480, 13.2790 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 |
---|---|---|---|---|
Arquata del Tronto | AP | 3 | 1178 | 1178 |
Accumoli | RI | 6 | 667 | 1845 |
Acquasanta Terme | AP | 11 | 2916 | 4761 |
Montegallo | AP | 12 | 523 | 5284 |
Amatrice | RI | 13 | 2657 | 7941 |
Norcia | PG | 16 | 4957 | 12898 |
Cittareale | RI | 17 | 482 | 13380 |
Montemonaco | AP | 18 | 604 | 13984 |
Valle Castellana | TE | 18 | 977 | 14961 |
Castelsantangelo sul Nera | MC | 19 | 281 | 15242 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2020-07-17 15:39:36 |
42.7475 | 13.279 | 11 | 2020-07-17 15:54:25 |
Sala Sismica INGV-Roma | 81108191 |
Field | Value |
---|---|
Time (UTC) | 2020-07-17 15:39:36 ± 0.08 |
Latitude | 42.7475 ± 0.0027 |
Longitude | 13.2790 ± 0.0049 |
Depth (km) | 11 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 81108191 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 410 |
Semi-minor axis of confidence ellipse (meter) | 72 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 256 |
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) | 115 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 14 |
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) | 0.26890 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.3 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 81108191 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-07-17 15:54:25 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RM33.EHZ. | 2020-07-17T15:39:46.31 | 0.1 | undecidable | manual | S | 191 | 26.9508 | 91 | 0.05 | 97 |
IV.TERO.HHZ. | 2020-07-17T15:39:46.84 | 0.1 | undecidable | manual | S | 117 | 29.8479 | 91 | -0.2 | 92 |
IV.MC2.EHZ. | 2020-07-17T15:39:44.49 | 0.1 | undecidable | manual | S | 338 | 19.5693 | 92 | 0.19 | 95 |
IV.CSP1.EHZ. | 2020-07-17T15:39:43.86 | 3.0 | undecidable | manual | P | 0.01 | 0 | |||
IV.NRCA.HHZ. | 2020-07-17T15:39:43.15 | 0.1 | undecidable | manual | S | 306 | 16.4724 | 95 | -0.31 | 95 |
IV.MMO1.EHZ. | 2020-07-17T15:39:43.59 | 0.1 | undecidable | manual | S | 13 | 17.2716 | 94 | -0.09 | 97 |
IV.FDMO.HHZ. | 2020-07-17T15:39:43.31 | 3.0 | undecidable | manual | P | -0.04 | 0 | |||
IV.TERO.HHZ. | 2020-07-17T15:39:42.43 | 0.1 | undecidable | manual | P | 117 | 29.8479 | 91 | -0.2 | 92 |
IV.MF5.EHZ. | 2020-07-17T15:39:42.93 | 3.0 | undecidable | manual | P | 0.34 | 0 | |||
IV.SMA1.EHZ. | 2020-07-17T15:39:42.80 | 0.1 | undecidable | manual | S | 161 | 13.7751 | 103 | 0.06 | 100 |
IV.RM33.EHZ. | 2020-07-17T15:39:42.11 | 0.1 | undecidable | manual | P | 191 | 26.9508 | 91 | -0.07 | 97 |
IV.MTRA.EHZ. | 2020-07-17T15:39:41.70 | 0.1 | undecidable | manual | S | 84 | 9.5793 | 124 | -0.04 | 98 |
IV.MC2.EHZ. | 2020-07-17T15:39:41.21 | 0.1 | undecidable | manual | P | 338 | 19.5693 | 92 | 0.17 | 96 |
IV.NRCA.HHZ. | 2020-07-17T15:39:40.44 | 0.1 | undecidable | manual | P | 306 | 16.4724 | 95 | -0.12 | 98 |
IV.MMO1.EHZ. | 2020-07-17T15:39:40.67 | 0.1 | positive | manual | P | 13 | 17.2716 | 94 | -0.01 | 99 |
IV.SMA1.EHZ. | 2020-07-17T15:39:40.24 | 0.1 | undecidable | manual | P | 161 | 13.7751 | 103 | 0.09 | 99 |
IV.MTRA.EHZ. | 2020-07-17T15:39:39.72 | 0.1 | undecidable | manual | P | 84 | 9.5793 | 124 | 0.15 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MTRA.EHN. | ML:1.2 | 0.0001785 | 0.12 | AML | other | m | 2020-07-17T15:39:41.84 |
IV.MTRA.EHE. | ML:1.2 | 0.0001855 | 1.58 | AML | other | m | 2020-07-17T15:39:42.95 |
IV.SMA1.EHE. | ML:1.2 | 0.0001585 | 1.66 | AML | other | m | 2020-07-17T15:39:42.11 |
IV.SMA1.EHN. | ML:0.9 | 0.00008615000000000001 | 1.62 | AML | other | m | 2020-07-17T15:39:43.12 |
IV.NRCA.HHN. | ML:1.4 | 0.0002215 | 0.16 | AML | other | m | 2020-07-17T15:39:43.20 |
IV.NRCA.HHE. | ML:1.7 | 0.0003965 | 0.06 | AML | other | m | 2020-07-17T15:39:43.28 |
IV.RM33.EHN. | ML:0.8 | 0.000036150000000000005 | 0.1 | AML | other | m | 2020-07-17T15:39:46.74 |
IV.RM33.EHE. | ML:0.8 | 0.00003335 | 0.64 | AML | other | m | 2020-07-17T15:39:46.64 |
IV.FDMO.HHN. | ML:1.1 | 0.0000441 | 0.24 | AML | other | m | 2020-07-17T15:39:48.68 |
IV.FDMO.HHE. | ML:0.8 | 0.000025 | 0.94 | AML | other | m | 2020-07-17T15:39:49.57 |