A magnitude ML 1.0 earthquake occured in region: 5 km SW Accumoli (RI), on
and geographic coordinates (lat, lon) 42.6740, 13.1980 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 |
---|---|---|---|---|
Accumoli | RI | 5 | 667 | 667 |
Cittareale | RI | 7 | 482 | 1149 |
Amatrice | RI | 9 | 2657 | 3806 |
Arquata del Tronto | AP | 14 | 1178 | 4984 |
Norcia | PG | 16 | 4957 | 9941 |
Cascia | PG | 16 | 3217 | 13158 |
Montereale | AQ | 17 | 2581 | 15739 |
Posta | RI | 19 | 694 | 16433 |
Borbona | RI | 19 | 617 | 17050 |
Capitignano | AQ | 19 | 665 | 17715 |
Campotosto | AQ | 19 | 542 | 18257 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2021-04-09 22:21:49 |
42.6735 | 13.1983 | 11 | 2021-04-09 22:29:30 |
Sala Sismica INGV-Roma | 88951111 |
Field | Value |
---|---|
Time (UTC) | 2021-04-09 22:21:49 ± 0.07 |
Latitude | 42.6735 ± 0.0036 |
Longitude | 13.1983 ± 0.0049 |
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 | 88951111 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 399 |
Semi-minor axis of confidence ellipse (meter) | 352 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 250 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 400.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 63 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.18 |
Epicentral distance of station closest to the epicenter (degree) | 0.07285 |
Epicentral distance of station farthest from the epicenter (degree) | 0.47934 |
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 | 0.3 |
Num. used stations | 20 |
Type of magnitude | ML |
Reference to an origin | 88951111 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-09 22:29:30 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MOMA.HHE. | 2021-04-09T22:21:59.31 | 1.0 | undecidable | manual | P | 286 | 53.2023 | 50 | 0.24 | 22 |
IV.MC2.EHZ. | 2021-04-09T22:21:59.41 | 0.6 | undecidable | manual | S | 358 | 26.4513 | 50 | 0.4 | 46 |
IV.MTRA.EHZ. | 2021-04-09T22:21:56.51 | 0.6 | undecidable | manual | S | 60 | 18.5703 | 120 | -0.31 | 47 |
IV.RM33.EHZ. | 2021-04-09T22:21:56.39 | 0.6 | undecidable | manual | S | 176 | 18.2706 | 120 | -0.34 | 47 |
IV.ARRO.EHZ. | 2021-04-09T22:21:56.40 | 0.6 | positive | manual | P | 254 | 36.8298 | 50 | -0.15 | 47 |
IV.NRCA.HHZ. | 2021-04-09T22:21:56.65 | 0.6 | undecidable | manual | S | 339 | 19.0698 | 119 | -0.3 | 47 |
IV.SMA1.EHZ. | 2021-04-09T22:21:55.13 | 0.6 | undecidable | manual | S | 113 | 12.1767 | 131 | 0.15 | 49 |
IV.TERO.HHZ. | 2021-04-09T22:21:55.63 | 0.6 | undecidable | manual | P | 99 | 33.5442 | 50 | -0.41 | 45 |
IV.LNSS.HHZ. | 2021-04-09T22:21:55.81 | 0.3 | undecidable | manual | S | 239 | 15.0738 | 125 | 0.03 | 75 |
IV.MC2.EHZ. | 2021-04-09T22:21:55.10 | 1.0 | undecidable | manual | P | 358 | 26.4513 | 50 | 0.16 | 24 |
IV.MMO1.EHZ. | 2021-04-09T22:21:54.79 | 1.0 | undecidable | manual | P | 23 | 27.1506 | 50 | -0.27 | 23 |
IV.T1299.HNZ. | 2021-04-09T22:21:54.16 | 0.6 | undecidable | manual | S | 122 | 8.0808 | 143 | 0.14 | 50 |
IV.NRCA.HHZ. | 2021-04-09T22:21:53.73 | 0.1 | positive | manual | P | 339 | 19.0698 | 119 | -0.03 | 100 |
IV.MTRA.EHZ. | 2021-04-09T22:21:53.72 | 1.0 | undecidable | manual | P | 60 | 18.5703 | 120 | 0.04 | 25 |
IV.LNSS.HHZ. | 2021-04-09T22:21:53.14 | 0.1 | positive | manual | P | 239 | 15.0738 | 125 | 0.06 | 100 |
IV.RM33.EHZ. | 2021-04-09T22:21:53.48 | 1.0 | undecidable | manual | P | 176 | 18.2706 | 120 | -0.15 | 24 |
IV.SMA1.EHZ. | 2021-04-09T22:21:52.91 | 0.6 | undecidable | manual | P | 113 | 12.1767 | 131 | 0.29 | 48 |
IV.T1299.HNZ. | 2021-04-09T22:21:52.32 | 0.3 | undecidable | manual | P | 122 | 8.0808 | 143 | 0.26 | 73 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SMA1.EHE. | ML:1.3 | 0.00023899999999999998 | 0.3 | AML | other | m | 2021-04-09T22:21:55.73 |
IV.LNSS.HHE. | ML:0.9 | 0.000075235145 | 0.1408 | AML | other | m | 2021-04-09T22:21:56.09 |
IV.LNSS.HHN. | ML:1.2 | 0.000131 | 0.16 | AML | other | m | 2021-04-09T22:21:55.99 |
IV.SMA1.EHN. | ML:1.0 | 0.00010289413999999999 | 0.2048 | AML | other | m | 2021-04-09T22:21:56.25 |
IV.RM33.EHE. | ML:1.0 | 0.00007037559 | 0.1664 | AML | other | m | 2021-04-09T22:21:57.20 |
IV.RM33.EHN. | ML:0.6 | 0.00003648238 | 0.1408 | AML | other | m | 2021-04-09T22:21:57.34 |
IV.NRCA.HHN. | ML:0.9 | 0.000057058794999999996 | 0.1024 | AML | other | m | 2021-04-09T22:21:57.09 |
IV.NRCA.HHE. | ML:1.1 | 0.0000915 | 0.44 | AML | other | m | 2021-04-09T22:21:57.06 |
IV.LNSS.HNE. | ML:1.1 | 0.000116546025 | 1.4336 | AML | other | m | 2021-04-09T22:21:55.88 |
IV.LNSS.HNN. | ML:1.2 | 0.00013962650500000002 | 0.3712 | AML | other | m | 2021-04-09T22:21:57.41 |
IV.RM33.HNE. | ML:1.0 | 0.00008167653999999999 | 0.9344 | AML | other | m | 2021-04-09T22:21:56.70 |
IV.RM33.HNN. | ML:1.1 | 0.00011105556 | 0.96 | AML | other | m | 2021-04-09T22:21:56.44 |
IV.NRCA.HNE. | ML:1.3 | 0.0001476485 | 0.6656 | AML | other | m | 2021-04-09T22:21:56.72 |
IV.NRCA.HNN. | ML:1.3 | 0.00015789884999999998 | 1.3056 | AML | other | m | 2021-04-09T22:21:56.60 |
IV.TERO.HHE. | ML:0.6 | 0.0000161294 | 0.064 | AML | other | m | 2021-04-09T22:22:00.34 |
IV.TERO.HHN. | ML:0.8 | 0.000024786164999999998 | 0.0768 | AML | other | m | 2021-04-09T22:22:00.28 |
IV.TERO.HNE. | ML:1.5 | 0.00012695075 | 0.7424 | AML | other | m | 2021-04-09T22:22:08.46 |
IV.TERO.HNN. | ML:1.6 | 0.00018073630000000002 | 0.6912 | AML | other | m | 2021-04-09T22:22:09.56 |
IV.ARRO.EHE. | ML:0.4 | 0.0000105235335 | 0.1408 | AML | other | m | 2021-04-09T22:22:05.16 |
IV.ARRO.EHN. | ML:0.6 | 0.00001745966 | 0.2176 | AML | other | m | 2021-04-09T22:22:07.39 |