A magnitude ML 0.6 earthquake occured in region: 2 km E Accumoli (RI), on
and geographic coordinates (lat, lon) 42.6960, 13.2740 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 | 2 | 667 | 667 |
Amatrice | RI | 7 | 2657 | 3324 |
Arquata del Tronto | AP | 9 | 1178 | 4502 |
Cittareale | RI | 13 | 482 | 4984 |
Acquasanta Terme | AP | 14 | 2916 | 7900 |
Montegallo | AP | 17 | 523 | 8423 |
Campotosto | AQ | 17 | 542 | 8965 |
Norcia | PG | 18 | 4957 | 13922 |
Valle Castellana | TE | 19 | 977 | 14899 |
Montereale | AQ | 19 | 2581 | 17480 |
Capitignano | AQ | 20 | 665 | 18145 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.6 | 2021-09-12 23:14:48 |
42.6957 | 13.2743 | 11 | 2021-09-12 23:39:46 |
Sala Sismica INGV-Roma | 95362791 |
Field | Value |
---|---|
Time (UTC) | 2021-09-12 23:14:48 ± 0.08 |
Latitude | 42.6957 ± 0.0054 |
Longitude | 13.2743 ± 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 | 95362791 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 611 |
Semi-minor axis of confidence ellipse (meter) | 325 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 198 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 610.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 124 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.14 |
Epicentral distance of station closest to the epicenter (degree) | 0.07914 |
Epicentral distance of station farthest from the epicenter (degree) | 0.32196 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 0.6 |
Uncertainty | 0.3 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 95362791 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-12 23:39:46 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MF5.EHZ. | 2021-09-12T23:15:01.58 | 3.0 | undecidable | manual | S | 35.742 | 1.36 | 0 | ||
IV.GAVE.EHZ. | 2021-09-12T23:14:58.93 | 0.6 | undecidable | manual | S | 269 | 30.9468 | 91 | -0.02 | 65 |
IV.TERO.HHZ. | 2021-09-12T23:14:57.96 | 0.3 | undecidable | manual | S | 107 | 28.0497 | 91 | -0.21 | 95 |
IV.MMO1.EHZ. | 2021-09-12T23:14:56.82 | 0.6 | undecidable | manual | S | 11 | 22.9548 | 92 | 0 | 66 |
IV.MF5.EHZ. | 2021-09-12T23:14:56.31 | 3.0 | undecidable | manual | P | 35.742 | 1.17 | 0 | ||
IV.NRCA.HHZ. | 2021-09-12T23:14:55.82 | 0.3 | undecidable | manual | S | 320 | 20.0688 | 93 | -0.22 | 97 |
IV.TERO.HHZ. | 2021-09-12T23:14:54.10 | 0.3 | undecidable | manual | P | 107 | 28.0497 | 91 | 0.14 | 97 |
IV.GAVE.EHZ. | 2021-09-12T23:14:54.42 | 0.6 | negative | manual | P | 269 | 30.9468 | 91 | 0.01 | 66 |
IV.SMA1.EHZ. | 2021-09-12T23:14:53.04 | 0.6 | undecidable | manual | S | 145 | 8.7801 | 128 | -0.13 | 67 |
IV.MMO1.EHZ. | 2021-09-12T23:14:53.23 | 1.0 | undecidable | manual | P | 11 | 22.9548 | 92 | 0.05 | 33 |
IV.NRCA.HHZ. | 2021-09-12T23:14:52.69 | 0.3 | undecidable | manual | P | 320 | 20.0688 | 93 | -0.05 | 100 |
IV.SMA1.EHZ. | 2021-09-12T23:14:51.38 | 1.0 | negative | manual | P | 145 | 8.7801 | 128 | 0.3 | 32 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SMA1.EHN. | ML:0.4 | 0.00003485 | 0.2 | AML | other | m | 2021-09-12T23:14:53.22 |
IV.SMA1.EHE. | ML:0.3 | 0.000027249999999999998 | 0.4 | AML | other | m | 2021-09-12T23:14:53.42 |
IV.NRCA.HHE. | ML:0.9 | 0.0000597 | 1.92 | AML | other | m | 2021-09-12T23:14:56.01 |
IV.NRCA.HHN. | ML:0.8 | 0.0000392 | 1.12 | AML | other | m | 2021-09-12T23:14:56.86 |