A magnitude ML 1.0 earthquake occured in region: 4 km NW Amatrice (RI), on
and geographic coordinates (lat, lon) 42.6590, 13.2640 at 12 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 | 4 | 667 | 3324 |
Cittareale | RI | 10 | 482 | 3806 |
Arquata del Tronto | AP | 13 | 1178 | 4984 |
Campotosto | AQ | 14 | 542 | 5526 |
Montereale | AQ | 15 | 2581 | 8107 |
Capitignano | AQ | 16 | 665 | 8772 |
Acquasanta Terme | AP | 17 | 2916 | 11688 |
Borbona | RI | 20 | 617 | 12305 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2021-04-05 21:23:28 |
42.6592 | 13.2645 | 12 | 2021-04-05 21:27:33 |
Sala Sismica INGV-Roma | 88802371 |
Field | Value |
---|---|
Time (UTC) | 2021-04-05 21:23:28 ± 0.09 |
Latitude | 42.6592 ± 0.0036 |
Longitude | 13.2645 ± 0.0061 |
Depth (km) | 12 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 88802371 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 454 |
Semi-minor axis of confidence ellipse (meter) | 345 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 252 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 450.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 77 |
Number of associated phases, regardless of their use for origin computation | 22 |
Number of defining phases | 22 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.21 |
Epicentral distance of station closest to the epicenter (degree) | 0.02788 |
Epicentral distance of station farthest from the epicenter (degree) | 0.35793 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 88802371 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-05 21:27:33 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MF5.EHZ. | 2021-04-05T21:23:42.31 | 0.6 | undecidable | manual | S | 23 | 39.7269 | 92 | 0.93 | 36 |
IV.MC2.EHE. | 2021-04-05T21:23:38.64 | 0.6 | undecidable | manual | S | 348 | 28.6491 | 94 | 0.22 | 47 |
IV.MMO1.EHZ. | 2021-04-05T21:23:37.77 | 0.6 | undecidable | manual | S | 11 | 27.1506 | 94 | -0.24 | 46 |
IV.TERO.HHZ. | 2021-04-05T21:23:37.81 | 0.6 | undecidable | manual | S | 98 | 27.9498 | 94 | -0.43 | 45 |
IV.NRCA.HHZ. | 2021-04-05T21:23:36.39 | 0.6 | undecidable | manual | S | 328 | 22.8549 | 96 | -0.49 | 44 |
IV.MF5.EHZ. | 2021-04-05T21:23:36.25 | 0.6 | undecidable | manual | P | 23 | 39.7269 | 92 | 0.4 | 44 |
IV.LNSS.HHZ. | 2021-04-05T21:23:35.92 | 0.6 | undecidable | manual | S | 251 | 19.3695 | 99 | -0.02 | 49 |
IV.RM33.EHZ. | 2021-04-05T21:23:35.25 | 0.6 | undecidable | manual | S | 194 | 17.1717 | 102 | -0.12 | 48 |
IV.CAMP.HHE. | 2021-04-05T21:23:35.69 | 0.6 | undecidable | manual | S | 139 | 18.0708 | 100 | 0.08 | 49 |
IV.TERO.HHZ. | 2021-04-05T21:23:34.04 | 1.0 | negative | manual | P | 98 | 27.9498 | 94 | 0 | 24 |
IV.MTRA.EHZ. | 2021-04-05T21:23:34.63 | 0.6 | undecidable | manual | S | 45 | 15.2736 | 107 | -0.25 | 47 |
IV.MC2.EHE. | 2021-04-05T21:23:34.24 | 0.1 | undecidable | manual | P | 348 | 28.6491 | 94 | 0.1 | 96 |
IV.MMO1.EHZ. | 2021-04-05T21:23:33.75 | 1.0 | undecidable | manual | P | 11 | 27.1506 | 94 | -0.16 | 24 |
IV.MTRA.EHZ. | 2021-04-05T21:23:32.00 | 0.1 | undecidable | manual | P | 45 | 15.2736 | 107 | -0.1 | 98 |
IV.RM33.EHZ. | 2021-04-05T21:23:32.50 | 0.6 | positive | manual | P | 194 | 17.1717 | 102 | 0.12 | 49 |
IV.CAMP.HHE. | 2021-04-05T21:23:32.56 | 0.1 | undecidable | manual | P | 139 | 18.0708 | 100 | 0.04 | 98 |
IV.SMA1.EHZ. | 2021-04-05T21:23:32.83 | 0.6 | undecidable | manual | S | 119 | 6.5934 | 143 | -0.15 | 49 |
IV.LNSS.HHZ. | 2021-04-05T21:23:32.68 | 0.1 | positive | manual | P | 251 | 19.3695 | 99 | -0.04 | 98 |
IV.T1299.EHE. | 2021-04-05T21:23:32.40 | 0.6 | undecidable | manual | S | 152 | 3.0969 | 161 | -0.14 | 49 |
IV.NRCA.HHZ. | 2021-04-05T21:23:32.89 | 1.0 | positive | manual | P | 328 | 22.8549 | 96 | -0.37 | 23 |
IV.SMA1.EHZ. | 2021-04-05T21:23:31.17 | 0.6 | negative | manual | P | 119 | 6.5934 | 143 | 0.17 | 49 |
IV.T1299.EHE. | 2021-04-05T21:23:30.89 | 0.1 | undecidable | manual | P | 152 | 3.0969 | 161 | 0.14 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SMA1.EHE. | ML:1.0 | 0.00013800000000000002 | 0.9 | AML | other | m | 2021-04-05T21:23:33.26 |
IV.SMA1.EHN. | ML:1.1 | 0.0001505 | 1.1 | AML | other | m | 2021-04-05T21:23:33.43 |
IV.RM33.EHN. | ML:1.0 | 0.0000835 | 0.12 | AML | other | m | 2021-04-05T21:23:35.55 |
IV.LNSS.HHE. | ML:1.0 | 0.0000641 | 1.56 | AML | other | m | 2021-04-05T21:23:35.91 |
IV.RM33.EHE. | ML:1.1 | 0.00009659999999999999 | 1.36 | AML | other | m | 2021-04-05T21:23:36.09 |
IV.LNSS.HHN. | ML:0.8 | 0.000052249999999999996 | 0.36 | AML | other | m | 2021-04-05T21:23:36.08 |
IV.NRCA.HHE. | ML:1.2 | 0.00008965000000000001 | 0.1 | AML | other | m | 2021-04-05T21:23:36.67 |
IV.NRCA.HHN. | ML:1.1 | 0.0000858 | 0.72 | AML | other | m | 2021-04-05T21:23:36.48 |
IV.TERO.HHN. | ML:1.1 | 0.00006945 | 0.08 | AML | other | m | 2021-04-05T21:23:37.93 |
IV.TERO.HHE. | ML:0.7 | 0.000026450000000000003 | 0.82 | AML | other | m | 2021-04-05T21:23:38.18 |