A magnitude ML 0.9 earthquake occured in region: 2 km E Amatrice (RI), on
and geographic coordinates (lat, lon) 42.6320, 13.3090 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 | 9 | 667 | 3324 |
Campotosto | AQ | 10 | 542 | 3866 |
Cittareale | RI | 12 | 482 | 4348 |
Capitignano | AQ | 12 | 665 | 5013 |
Montereale | AQ | 13 | 2581 | 7594 |
Arquata del Tronto | AP | 16 | 1178 | 8772 |
Cortino | TE | 16 | 656 | 9428 |
Crognaleto | TE | 17 | 1297 | 10725 |
Acquasanta Terme | AP | 18 | 2916 | 13641 |
Rocca Santa Maria | TE | 19 | 537 | 14178 |
Valle Castellana | TE | 19 | 977 | 15155 |
Borbona | RI | 20 | 617 | 15772 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2024-01-31 14:49:35 |
42.6317 | 13.3093 | 11 | 2024-01-31 15:09:10 |
Sala Sismica INGV-Roma | 124967171 |
Field | Value |
---|---|
Time (UTC) | 2024-01-31 14:49:35 ± 0.08 |
Latitude | 42.6317 ± 0.0054 |
Longitude | 13.3093 ± 0.0098 |
Depth (km) | 11 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 124967171 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 770 |
Semi-minor axis of confidence ellipse (meter) | 610 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 259 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 770.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 127 |
Number of associated phases, regardless of their use for origin computation | 7 |
Number of defining phases | 7 |
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) | 0.01889 |
Epicentral distance of station farthest from the epicenter (degree) | 0.24731 |
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 | 0.9 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 124967171 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2024-01-31 15:09:10 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.NRCA.HHZ. | 2024-01-31T14:49:45.39 | 0.6 | undecidable | manual | S | 325 | 27.4503 | 50 | -0.17 | 48 |
IV.RM33.EHZ. | 2024-01-31T14:49:42.21 | 0.6 | undecidable | manual | S | 210 | 15.6732 | 50 | -0.2 | 49 |
IV.NRCA.HHZ. | 2024-01-31T14:49:41.49 | 0.1 | positive | manual | P | 325 | 27.4503 | 50 | 0.06 | 99 |
IV.TERO.HHZ. | 2024-01-31T14:49:40.77 | 0.3 | positive | manual | P | 92 | 24.0537 | 50 | -0.13 | 73 |
IV.RM33.EHZ. | 2024-01-31T14:49:39.73 | 0.3 | negative | manual | P | 210 | 15.6732 | 50 | 0.13 | 74 |
IV.SMA1.EHZ. | 2024-01-31T14:49:39.51 | 0.6 | undecidable | manual | S | 93 | 2.0979 | 169 | -0.17 | 50 |
IV.SMA1.EHZ. | 2024-01-31T14:49:38.23 | 0.1 | negative | manual | P | 93 | 2.0979 | 169 | 0.2 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SMA1.EHE. | ML:1.1 | 0.00020500000000000002 | 0.96 | AML | other | m | 2024-01-31T14:49:40.19 |
IV.SMA1.EHN. | ML:0.9 | 0.0001295 | 0.1 | AML | other | m | 2024-01-31T14:49:40.18 |
IV.RM33.EHN. | ML:0.8 | 0.000052499999999999995 | 0.34 | AML | other | m | 2024-01-31T14:49:42.40 |
IV.RM33.EHE. | ML:0.8 | 0.0000623 | 0.64 | AML | other | m | 2024-01-31T14:49:42.75 |