A magnitude ML 0.9 earthquake occured in region: 4 km NE Amatrice (RI), on
and geographic coordinates (lat, lon) 42.6610, 13.3170 at 18 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 |
---|---|---|---|---|
Amatrice | RI | 4 | 2657 | 2657 |
Accumoli | RI | 7 | 667 | 3324 |
Campotosto | AQ | 12 | 542 | 3866 |
Arquata del Tronto | AP | 13 | 1178 | 5044 |
Cittareale | RI | 14 | 482 | 5526 |
Acquasanta Terme | AP | 14 | 2916 | 8442 |
Capitignano | AQ | 16 | 665 | 9107 |
Montereale | AQ | 16 | 2581 | 11688 |
Cortino | TE | 16 | 656 | 12344 |
Valle Castellana | TE | 17 | 977 | 13321 |
Rocca Santa Maria | TE | 18 | 537 | 13858 |
Crognaleto | TE | 18 | 1297 | 15155 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2023-08-11 00:49:40 |
42.6612 | 13.3168 | 19 | 2023-08-11 00:54:25 |
Sala Sismica INGV-Roma | 120014151 |
Field | Value |
---|---|
Time (UTC) | 2023-08-11 00:49:40 ± 0.07 |
Latitude | 42.6612 ± 0.0018 |
Longitude | 13.3168 ± 0.0037 |
Depth (km) | 19 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 120014151 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 259 |
Semi-minor axis of confidence ellipse (meter) | 57 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 249 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 260.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 68 |
Number of associated phases, regardless of their use for origin computation | 14 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.07 |
Epicentral distance of station closest to the epicenter (degree) | 0.03327 |
Epicentral distance of station farthest from the epicenter (degree) | 0.23832 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 120014151 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-08-11 00:54:25 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MMO1.EHZ. | 2023-08-11T00:49:50.28 | 0.6 | undecidable | manual | S | 2 | 26.4513 | 115 | 0.09 | 48 |
IV.TERO.HHZ. | 2023-08-11T00:49:49.46 | 0.6 | undecidable | manual | S | 100 | 23.8539 | 119 | -0.11 | 47 |
IV.LNSS.HHE. | 2023-08-11T00:49:49.52 | 0.6 | undecidable | manual | S | 254 | 23.4543 | 119 | 0.03 | 48 |
IV.NRCA.HHZ. | 2023-08-11T00:49:49.77 | 0.6 | undecidable | manual | S | 319 | 25.2525 | 117 | -0.14 | 47 |
IV.RM33.EHZ. | 2023-08-11T00:49:48.50 | 0.6 | undecidable | manual | S | 206 | 18.87 | 126 | 0.05 | 48 |
IV.MTRA.EHE. | 2023-08-11T00:49:47.12 | 0.6 | undecidable | manual | S | 32 | 12.3765 | 140 | -0.08 | 48 |
IV.SMA1.EHN. | 2023-08-11T00:49:46.21 | 0.6 | undecidable | manual | S | 156 | 3.6963 | 167 | 0.06 | 50 |
IV.MMO1.EHZ. | 2023-08-11T00:49:46.19 | 1.0 | undecidable | manual | P | 2 | 26.4513 | 115 | 0.22 | 23 |
IV.NRCA.HHZ. | 2023-08-11T00:49:45.76 | 0.1 | positive | manual | P | 319 | 25.2525 | 117 | -0.05 | 95 |
IV.RM33.EHZ. | 2023-08-11T00:49:45.02 | 0.6 | positive | manual | P | 206 | 18.87 | 126 | 0.06 | 48 |
IV.TERO.HHZ. | 2023-08-11T00:49:45.54 | 1.0 | undecidable | manual | P | 100 | 23.8539 | 119 | -0.07 | 24 |
IV.LNSS.HHE. | 2023-08-11T00:49:45.49 | 0.1 | undecidable | manual | P | 254 | 23.4543 | 119 | -0.08 | 96 |
IV.MTRA.EHE. | 2023-08-11T00:49:44.34 | 0.1 | undecidable | manual | P | 32 | 12.3765 | 140 | 0.1 | 97 |
IV.SMA1.EHN. | 2023-08-11T00:49:43.63 | 0.1 | undecidable | manual | P | 156 | 3.6963 | 167 | 0 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.RM33.EHN. | ML:0.8 | 0.00003855 | 0.14 | AML | other | m | 2023-08-11T00:49:48.88 |
IV.RM33.EHE. | ML:1.0 | 0.000056099999999999995 | 0.2 | AML | other | m | 2023-08-11T00:49:48.82 |
IV.TERO.HHN. | ML:0.6 | 0.000021400000000000002 | 0.08 | AML | other | m | 2023-08-11T00:49:49.64 |
IV.NRCA.HHE. | ML:1.0 | 0.00005069999999999999 | 1.86 | AML | other | m | 2023-08-11T00:49:49.02 |
IV.NRCA.HHN. | ML:1.0 | 0.00005020000000000001 | 1.88 | AML | other | m | 2023-08-11T00:49:50.02 |
IV.TERO.HHE. | ML:0.7 | 0.000024399999999999997 | 1.28 | AML | other | m | 2023-08-11T00:49:50.09 |