A magnitude ML 0.7 earthquake occured in region: 3 km NW Accumoli (RI), on
and geographic coordinates (lat, lon) 42.7170, 13.2220 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 |
---|---|---|---|---|
Accumoli | RI | 3 | 667 | 667 |
Arquata del Tronto | AP | 9 | 1178 | 1845 |
Amatrice | RI | 11 | 2657 | 4502 |
Cittareale | RI | 12 | 482 | 4984 |
Norcia | PG | 14 | 4957 | 9941 |
Acquasanta Terme | AP | 17 | 2916 | 12857 |
Montegallo | AP | 17 | 523 | 13380 |
Cascia | PG | 17 | 3217 | 16597 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.7 | 2021-08-27 04:30:16 |
42.7167 | 13.2215 | 10 | 2021-08-27 04:41:32 |
Sala Sismica INGV-Roma | 94689551 |
Field | Value |
---|---|
Time (UTC) | 2021-08-27 04:30:16 ± 0.08 |
Latitude | 42.7167 ± 0.0036 |
Longitude | 13.2215 ± 0.0061 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 94689551 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 372 |
Semi-minor axis of confidence ellipse (meter) | 359 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 285 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 370.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 89 |
Number of associated phases, regardless of their use for origin computation | 15 |
Number of defining phases | 13 |
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) | 0.29588 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 0.7 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 94689551 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-27 04:41:32 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TST02.HHZ. | 2021-08-27T04:30:35.66 | 3.0 | positive | manual | P | -0.3 | 0 | |||
IV.CIMA.HNZ. | 2021-08-27T04:30:30.54 | 3.0 | negative | manual | P | 0.58 | 0 | |||
IV.GAVE.EHZ. | 2021-08-27T04:30:25.83 | 0.6 | undecidable | manual | S | 264 | 26.8509 | 50 | -0.27 | 65 |
IV.RM33.EHZ. | 2021-08-27T04:30:25.00 | 0.6 | undecidable | manual | S | 181 | 23.0547 | 114 | -0.08 | 68 |
IV.MC2.EHZ. | 2021-08-27T04:30:24.77 | 0.6 | undecidable | manual | S | 353 | 21.7671 | 115 | 0.09 | 68 |
IV.MMO1.EHZ. | 2021-08-27T04:30:24.50 | 0.6 | undecidable | manual | S | 23 | 21.9669 | 115 | -0.26 | 66 |
IV.LNSS.HHZ. | 2021-08-27T04:30:23.77 | 0.6 | undecidable | manual | S | 230 | 19.4694 | 118 | -0.19 | 67 |
IV.TERO.HHZ. | 2021-08-27T04:30:23.02 | 0.3 | undecidable | manual | P | 108 | 32.8449 | 50 | 0.12 | 100 |
IV.SMA1.EHZ. | 2021-08-27T04:30:21.94 | 0.6 | undecidable | manual | S | 136 | 13.2756 | 128 | -0.23 | 67 |
IV.RM33.EHZ. | 2021-08-27T04:30:21.52 | 1.0 | undecidable | manual | P | 181 | 23.0547 | 114 | 0.14 | 34 |
IV.MC2.EHZ. | 2021-08-27T04:30:21.63 | 1.0 | undecidable | manual | P | 353 | 21.7671 | 115 | 0.48 | 31 |
IV.LNSS.HHZ. | 2021-08-27T04:30:21.06 | 0.3 | undecidable | manual | P | 230 | 19.4694 | 118 | 0.33 | 98 |
IV.GAVE.EHZ. | 2021-08-27T04:30:21.92 | 1.0 | negative | manual | P | 264 | 26.8509 | 50 | -0.05 | 34 |
IV.MMO1.EHZ. | 2021-08-27T04:30:21.07 | 0.6 | undecidable | manual | P | 23 | 21.9669 | 115 | -0.12 | 68 |
IV.SMA1.EHZ. | 2021-08-27T04:30:19.81 | 0.6 | positive | manual | P | 136 | 13.2756 | 128 | 0.11 | 69 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SMA1.EHE. | ML:0.7 | 0.000053008390000000005 | 1.3216 | AML | other | m | 2021-08-27T04:30:26.13 |
IV.SMA1.EHN. | ML:0.6 | 0.000043667765 | 2.3392 | AML | other | m | 2021-08-27T04:30:27.86 |