A magnitude ML 1.0 earthquake occured in region: 3 km E Accumoli (RI), on
and geographic coordinates (lat, lon) 42.7040, 13.2820 at 14 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 | 3 | 667 | 667 |
Arquata del Tronto | AP | 8 | 1178 | 1845 |
Amatrice | RI | 8 | 2657 | 4502 |
Acquasanta Terme | AP | 13 | 2916 | 7418 |
Cittareale | RI | 14 | 482 | 7900 |
Montegallo | AP | 16 | 523 | 8423 |
Campotosto | AQ | 18 | 542 | 8965 |
Valle Castellana | TE | 18 | 977 | 9942 |
Norcia | PG | 18 | 4957 | 14899 |
Montereale | AQ | 20 | 2581 | 17480 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2021-02-03 18:47:43 |
42.7035 | 13.2818 | 14 | 2021-02-03 18:56:07 |
Sala Sismica INGV-Roma | 86815311 |
Field | Value |
---|---|
Time (UTC) | 2021-02-03 18:47:43 ± 0.06 |
Latitude | 42.7035 ± 0.0027 |
Longitude | 13.2818 ± 0.0049 |
Depth (km) | 14 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 86815311 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 388 |
Semi-minor axis of confidence ellipse (meter) | 94 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 265 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 390.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 76 |
Number of associated phases, regardless of their use for origin computation | 14 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.13 |
Epicentral distance of station closest to the epicenter (degree) | 0.06925 |
Epicentral distance of station farthest from the epicenter (degree) | 0.25001 |
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 | 1.0 |
Uncertainty | 0.3 |
Num. used stations | 18 |
Type of magnitude | ML |
Reference to an origin | 86815311 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-02-03 18:56:07 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TERO.HHZ. | 2021-02-03T18:47:53.67 | 0.3 | undecidable | manual | S | 109 | 27.75 | 100 | -0.18 | 72 |
IV.LNSS.HHZ. | 2021-02-03T18:47:52.44 | 0.3 | undecidable | manual | S | 241 | 22.6551 | 105 | -0.08 | 73 |
IV.MMO1.EHZ. | 2021-02-03T18:47:52.25 | 0.6 | undecidable | manual | S | 10 | 22.0668 | 106 | -0.11 | 49 |
IV.RM33.EHZ. | 2021-02-03T18:47:52.42 | 0.3 | undecidable | manual | S | 194 | 22.2555 | 105 | 0 | 74 |
IV.SMA1.EHZ. | 2021-02-03T18:47:49.06 | 0.6 | undecidable | manual | S | 152 | 9.1797 | 138 | -0.34 | 47 |
IV.MC2.EHZ. | 2021-02-03T18:47:49.29 | 0.6 | positive | manual | P | 342 | 24.2535 | 103 | 0.17 | 48 |
IV.TERO.HHZ. | 2021-02-03T18:47:49.67 | 0.3 | undecidable | manual | P | 109 | 27.75 | 100 | 0.02 | 73 |
IV.RM33.EHZ. | 2021-02-03T18:47:49.01 | 0.6 | negative | manual | P | 194 | 22.2555 | 105 | 0.18 | 48 |
IV.LNSS.HHZ. | 2021-02-03T18:47:48.89 | 1.0 | undecidable | manual | P | 241 | 22.6551 | 105 | 0.01 | 25 |
IV.MMO1.EHZ. | 2021-02-03T18:47:48.71 | 0.6 | undecidable | manual | P | 10 | 22.0668 | 106 | -0.08 | 49 |
IV.NRCA.HHZ. | 2021-02-03T18:47:48.41 | 0.1 | negative | manual | P | 317 | 19.869 | 109 | -0.06 | 98 |
IV.T1299.HNZ. | 2021-02-03T18:47:47.18 | 0.6 | undecidable | manual | P | 180 | 7.6812 | 144 | 0.25 | 49 |
IV.SMA1.EHZ. | 2021-02-03T18:47:47.22 | 0.3 | negative | manual | P | 152 | 9.1797 | 138 | 0.14 | 74 |
IV.MTRA.HNZ. | 2021-02-03T18:47:47.36 | 0.1 | undecidable | manual | P | 58 | 11.0778 | 131 | 0.07 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SMA1.EHE. | ML:0.8 | 0.00006248096 | 0.0896 | AML | other | m | 2021-02-03T18:47:49.41 |
IV.SMA1.EHN. | ML:0.8 | 0.00007497818000000001 | 0.1408 | AML | other | m | 2021-02-03T18:47:49.22 |
IV.NRCA.HHN. | ML:0.6 | 0.000024098495 | 0.1408 | AML | other | m | 2021-02-03T18:47:51.91 |
IV.NRCA.HHE. | ML:0.6 | 0.000029120439999999996 | 0.1664 | AML | other | m | 2021-02-03T18:47:53.90 |
IV.TERO.HHN. | ML:1.0 | 0.0000427 | 0.08 | AML | other | m | 2021-02-03T18:47:54.39 |
IV.TERO.HHE. | ML:0.8 | 0.0000312 | 0.1 | AML | other | m | 2021-02-03T18:47:54.56 |
IV.NRCA.HNE. | ML:1.3 | 0.00012274119999999998 | 0.704 | AML | other | m | 2021-02-03T18:47:55.04 |
IV.NRCA.HNN. | ML:1.5 | 0.00019660345 | 0.8704 | AML | other | m | 2021-02-03T18:48:00.19 |
IV.LNSS.HNE. | ML:1.3 | 0.00013078499499999998 | 1.2288 | AML | other | m | 2021-02-03T18:47:57.82 |
IV.LNSS.HNN. | ML:1.5 | 0.00017945874 | 0.6016 | AML | other | m | 2021-02-03T18:47:57.12 |
IV.LNSS.HHE. | ML:0.6 | 0.00002483274 | 0.1664 | AML | other | m | 2021-02-03T18:47:53.63 |
IV.LNSS.HHN. | ML:0.8 | 0.000034837105 | 0.3328 | AML | other | m | 2021-02-03T18:47:52.77 |
IV.RM33.HNE. | ML:1.2 | 0.00010261846999999999 | 0.64 | AML | other | m | 2021-02-03T18:47:55.12 |
IV.RM33.HNN. | ML:1.3 | 0.00011412890000000001 | 0.9984 | AML | other | m | 2021-02-03T18:47:49.52 |
IV.RM33.EHE. | ML:0.5 | 0.000019555965 | 0.2304 | AML | other | m | 2021-02-03T18:47:52.56 |
IV.RM33.EHN. | ML:0.4 | 0.000016393825 | 0.1408 | AML | other | m | 2021-02-03T18:47:53.64 |
IV.TERO.HNE. | ML:1.3 | 0.000099372305 | 0.6656 | AML | other | m | 2021-02-03T18:47:57.08 |
IV.TERO.HNN. | ML:1.5 | 0.00014527135 | 0.7424 | AML | other | m | 2021-02-03T18:47:57.18 |