A magnitude ML 1.0 earthquake occured in region: 2 km NE Amatrice (RI), on
and geographic coordinates (lat, lon) 42.6440, 13.3120 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 | 2 | 2657 | 2657 |
Accumoli | RI | 8 | 667 | 3324 |
Campotosto | AQ | 11 | 542 | 3866 |
Cittareale | RI | 13 | 482 | 4348 |
Capitignano | AQ | 14 | 665 | 5013 |
Montereale | AQ | 14 | 2581 | 7594 |
Arquata del Tronto | AP | 14 | 1178 | 8772 |
Acquasanta Terme | AP | 16 | 2916 | 11688 |
Cortino | TE | 16 | 656 | 12344 |
Crognaleto | TE | 17 | 1297 | 13641 |
Rocca Santa Maria | TE | 18 | 537 | 14178 |
Valle Castellana | TE | 18 | 977 | 15155 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2020-02-03 21:34:09 |
42.6442 | 13.3123 | 11 | 2020-02-03 21:40:43 |
Sala Sismica INGV-Roma | 76173461 |
Field | Value |
---|---|
Time (UTC) | 2020-02-03 21:34:09 ± 0.1 |
Latitude | 42.6442 ± 0.0063 |
Longitude | 13.3123 ± 0.0147 |
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 | 76173461 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1205 |
Semi-minor axis of confidence ellipse (meter) | 609 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 109 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1200.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 154 |
Number of associated phases, regardless of their use for origin computation | 8 |
Number of defining phases | 8 |
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) | 0.02158 |
Epicentral distance of station farthest from the epicenter (degree) | 0.25541 |
Number of stations at which the event was observed | 4 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.2 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 76173461 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-02-03 21:40:43 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MMO1.EHZ. | 2020-02-03T21:34:19.61 | 0.3 | undecidable | manual | S | 2 | 28.3494 | 50 | 0.22 | 70 |
IV.TERO.HHZ. | 2020-02-03T21:34:18.33 | 1.0 | undecidable | manual | S | 96 | 23.9538 | 50 | 0.11 | 24 |
IV.RM33.EHZ. | 2020-02-03T21:34:16.21 | 0.3 | undecidable | manual | S | 208 | 16.9719 | 50 | -0.16 | 72 |
IV.TERO.HHZ. | 2020-02-03T21:34:14.38 | 0.6 | undecidable | manual | P | 96 | 23.9538 | 50 | -0.09 | 48 |
IV.MMO1.EHZ. | 2020-02-03T21:34:14.81 | 0.3 | undecidable | manual | P | 2 | 28.3494 | 50 | -0.34 | 68 |
IV.RM33.EHZ. | 2020-02-03T21:34:13.64 | 0.1 | undecidable | manual | P | 208 | 16.9719 | 50 | 0.24 | 94 |
IV.SMA1.EHZ. | 2020-02-03T21:34:13.32 | 0.1 | undecidable | manual | S | 129 | 2.3976 | 168 | 0.07 | 100 |
IV.SMA1.EHZ. | 2020-02-03T21:34:11.53 | 0.1 | undecidable | manual | P | 129 | 2.3976 | 168 | -0.07 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SMA1.EHE. | ML:1.3 | 0.00033850000000000004 | 0.28 | AML | other | m | 2020-02-03T21:34:13.57 |
IV.SMA1.EHN. | ML:1.0 | 0.0001525 | 0.1 | AML | other | m | 2020-02-03T21:34:13.70 |
IV.RM33.EHN. | ML:0.8 | 0.00005 | 1.14 | AML | other | m | 2020-02-03T21:34:17.64 |
IV.RM33.EHE. | ML:0.9 | 0.0000673 | 1.1 | AML | other | m | 2020-02-03T21:34:17.08 |