A magnitude ML 1.1 earthquake occured in region: 4 km NE Amatrice (RI), on
and geographic coordinates (lat, lon) 42.6560, 13.3260 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 |
---|---|---|---|---|
Amatrice | RI | 4 | 2657 | 2657 |
Accumoli | RI | 8 | 667 | 3324 |
Campotosto | AQ | 11 | 542 | 3866 |
Arquata del Tronto | AP | 13 | 1178 | 5044 |
Cittareale | RI | 14 | 482 | 5526 |
Acquasanta Terme | AP | 15 | 2916 | 8442 |
Capitignano | AQ | 15 | 665 | 9107 |
Cortino | TE | 15 | 656 | 9763 |
Montereale | AQ | 16 | 2581 | 12344 |
Valle Castellana | TE | 17 | 977 | 13321 |
Rocca Santa Maria | TE | 17 | 537 | 13858 |
Crognaleto | TE | 17 | 1297 | 15155 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2020-08-27 18:41:06 |
42.6555 | 13.3257 | 11 | 2020-08-27 18:45:05 |
Sala Sismica INGV-Roma | 82386491 |
Field | Value |
---|---|
Time (UTC) | 2020-08-27 18:41:06 ± 0.09 |
Latitude | 42.6555 ± 0.0045 |
Longitude | 13.3257 ± 0.0086 |
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 | 82386491 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 728 |
Semi-minor axis of confidence ellipse (meter) | 240 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 283 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 730.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 110 |
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) | 0.22 |
Epicentral distance of station closest to the epicenter (degree) | 0.02608 |
Epicentral distance of station farthest from the epicenter (degree) | 0.24372 |
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 | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 82386491 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-08-27 18:45:05 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MMO1.EHZ. | 2020-08-27T18:41:15.90 | 0.3 | undecidable | manual | S | 0 | 27.0507 | 50 | 0.03 | 75 |
IV.NRCA.HHZ. | 2020-08-27T18:41:15.44 | 0.3 | undecidable | manual | S | 319 | 26.2515 | 50 | -0.2 | 74 |
IV.TERO.HHZ. | 2020-08-27T18:41:14.57 | 0.3 | undecidable | manual | S | 99 | 22.9548 | 50 | -0.21 | 75 |
IV.RM33.EHZ. | 2020-08-27T18:41:13.31 | 0.3 | undecidable | manual | S | 209 | 18.5703 | 120 | -0.25 | 75 |
IV.TERO.HHZ. | 2020-08-27T18:41:11.20 | 0.6 | undecidable | manual | P | 99 | 22.9548 | 50 | 0.09 | 49 |
IV.MTRA.HNZ. | 2020-08-27T18:41:11.87 | 0.3 | undecidable | manual | S | 27 | 12.5763 | 130 | 0.01 | 76 |
IV.MMO1.EHZ. | 2020-08-27T18:41:11.35 | 0.1 | undecidable | manual | P | 0 | 27.0507 | 50 | -0.39 | 94 |
IV.NRCA.HHZ. | 2020-08-27T18:41:11.75 | 0.1 | undecidable | manual | P | 319 | 26.2515 | 50 | 0.14 | 97 |
IV.RM33.EHZ. | 2020-08-27T18:41:10.59 | 0.1 | undecidable | manual | P | 209 | 18.5703 | 120 | 0.18 | 97 |
IV.SMA1.EHZ. | 2020-08-27T18:41:09.83 | 0.6 | undecidable | manual | S | 164 | 2.8971 | 165 | -0.13 | 51 |
IV.MTRA.HNZ. | 2020-08-27T18:41:09.66 | 0.1 | undecidable | manual | P | 27 | 12.5763 | 130 | 0.23 | 100 |
IV.SMA1.EHZ. | 2020-08-27T18:41:08.70 | 1.0 | undecidable | manual | P | 164 | 2.8971 | 165 | 0.37 | 25 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SMA1.EHN. | ML:1.2 | 0.000261 | 0.14 | AML | other | m | 2020-08-27T18:41:10.35 |
IV.SMA1.EHE. | ML:1.4 | 0.00041400000000000003 | 0.2 | AML | other | m | 2020-08-27T18:41:10.37 |
IV.MTRA.EHE. | ML:1.1 | 0.000124 | 1.8 | AML | other | m | 2020-08-27T18:41:12.97 |
IV.MTRA.EHN. | ML:0.9 | 0.0000899 | 0.26 | AML | other | m | 2020-08-27T18:41:12.24 |
IV.RM33.EHN. | ML:0.9 | 0.000060700000000000005 | 0.26 | AML | other | m | 2020-08-27T18:41:13.77 |
IV.RM33.EHE. | ML:1.0 | 0.000072 | 1.02 | AML | other | m | 2020-08-27T18:41:14.81 |
IV.TERO.HHE. | ML:1.2 | 0.00010515 | 0.06 | AML | other | m | 2020-08-27T18:41:14.72 |
IV.TERO.HHN. | ML:1.4 | 0.0001545 | 0.06 | AML | other | m | 2020-08-27T18:41:14.70 |
IV.NRCA.HHE. | ML:1.0 | 0.000055100000000000004 | 0.08 | AML | other | m | 2020-08-27T18:41:15.78 |
IV.NRCA.HHN. | ML:0.9 | 0.00003925 | 1.88 | AML | other | m | 2020-08-27T18:41:15.94 |