A magnitude ML 0.7 earthquake occured in region: 4 km E Accumoli (RI), on
and geographic coordinates (lat, lon) 42.7050, 13.3020 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 |
---|---|---|---|---|
Accumoli | RI | 5 | 667 | 667 |
Arquata del Tronto | AP | 8 | 1178 | 1845 |
Amatrice | RI | 8 | 2657 | 4502 |
Acquasanta Terme | AP | 11 | 2916 | 7418 |
Cittareale | RI | 15 | 482 | 7900 |
Montegallo | AP | 16 | 523 | 8423 |
Valle Castellana | TE | 16 | 977 | 9400 |
Campotosto | AQ | 17 | 542 | 9942 |
Rocca Santa Maria | TE | 19 | 537 | 10479 |
Cortino | TE | 19 | 656 | 11135 |
Norcia | PG | 20 | 4957 | 16092 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.7 | 2021-04-19 19:37:26 |
42.7047 | 13.3023 | 13 | 2021-04-19 19:44:45 |
Sala Sismica INGV-Roma | 89268141 |
Field | Value |
---|---|
Time (UTC) | 2021-04-19 19:37:26 ± 0.08 |
Latitude | 42.7047 ± 0.0036 |
Longitude | 13.3023 ± 0.0049 |
Depth (km) | 13 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 89268141 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 350 |
Semi-minor axis of confidence ellipse (meter) | 156 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 16 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 350.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 57 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 17 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.16 |
Epicentral distance of station closest to the epicenter (degree) | 0.07195 |
Epicentral distance of station farthest from the epicenter (degree) | 0.30037 |
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 | 0.7 |
Uncertainty | 0.4 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 89268141 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-19 19:44:45 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.GAVE.HNE. | 2021-04-19T19:37:38.38 | 0.6 | undecidable | manual | S | 268 | 33.3444 | 96 | 0.1 | 49 |
IV.TERO.HHZ. | 2021-04-19T19:37:36.27 | 0.6 | undecidable | manual | S | 110 | 26.2515 | 99 | -0.14 | 49 |
IV.MMO1.EHZ. | 2021-04-19T19:37:35.27 | 0.6 | undecidable | manual | S | 5 | 21.6672 | 103 | 0.05 | 50 |
IV.RM33.EHZ. | 2021-04-19T19:37:35.10 | 0.6 | undecidable | manual | S | 198 | 22.8549 | 102 | -0.43 | 46 |
IV.NRCA.HHZ. | 2021-04-19T19:37:34.73 | 0.6 | undecidable | manual | S | 313 | 20.9679 | 104 | -0.31 | 47 |
IV.GAVE.HNE. | 2021-04-19T19:37:33.40 | 0.1 | undecidable | manual | P | 268 | 33.3444 | 96 | -0.08 | 96 |
IV.TERO.HHZ. | 2021-04-19T19:37:32.31 | 0.6 | undecidable | manual | P | 110 | 26.2515 | 99 | -0.08 | 49 |
IV.MTRA.HNZ. | 2021-04-19T19:37:32.16 | 0.6 | undecidable | manual | S | 53 | 9.5793 | 134 | -0.2 | 50 |
IV.LNSS.HNN. | 2021-04-19T19:37:32.19 | 0.1 | undecidable | manual | P | 242 | 24.1536 | 101 | 0.1 | 99 |
IV.T1299.HNE. | 2021-04-19T19:37:32.15 | 0.6 | undecidable | manual | S | 192 | 7.9809 | 141 | 0.09 | 51 |
IV.NRCA.HHZ. | 2021-04-19T19:37:31.55 | 0.3 | negative | manual | P | 313 | 20.9679 | 104 | -0.05 | 74 |
IV.MMO1.EHZ. | 2021-04-19T19:37:31.80 | 0.3 | positive | manual | P | 5 | 21.6672 | 103 | 0.09 | 74 |
IV.SMA1.EHZ. | 2021-04-19T19:37:31.91 | 0.6 | undecidable | manual | S | 162 | 8.6802 | 138 | -0.27 | 49 |
IV.RM33.EHZ. | 2021-04-19T19:37:31.98 | 0.6 | negative | manual | P | 198 | 22.8549 | 102 | 0.09 | 49 |
IV.SMA1.EHZ. | 2021-04-19T19:37:30.15 | 1.0 | positive | manual | P | 162 | 8.6802 | 138 | 0.2 | 25 |
IV.T1299.HNE. | 2021-04-19T19:37:30.16 | 0.1 | undecidable | manual | P | 192 | 7.9809 | 141 | 0.27 | 97 |
IV.MTRA.HNZ. | 2021-04-19T19:37:30.16 | 0.1 | undecidable | manual | P | 53 | 9.5793 | 134 | 0.1 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.1 | 0.0000809 | 1.82 | AML | other | m | 2021-04-19T19:37:34.93 |
IV.NRCA.HHN. | ML:1.0 | 0.000064 | 0.1 | AML | other | m | 2021-04-19T19:37:35.06 |
IV.TERO.HHN. | ML:0.4 | 0.0000148 | 0.44 | AML | other | m | 2021-04-19T19:37:36.60 |
IV.TERO.HHE. | ML:0.3 | 0.00001215 | 0.74 | AML | other | m | 2021-04-19T19:37:40.03 |