A magnitude ML 0.7 earthquake occured in region: 5 km SW Accumoli (RI), on
and geographic coordinates (lat, lon) 42.6560, 13.2090 at 15 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 | 6 | 667 | 667 |
Cittareale | RI | 6 | 482 | 1149 |
Amatrice | RI | 7 | 2657 | 3806 |
Montereale | AQ | 15 | 2581 | 6387 |
Arquata del Tronto | AP | 15 | 1178 | 7565 |
Capitignano | AQ | 17 | 665 | 8230 |
Borbona | RI | 17 | 617 | 8847 |
Campotosto | AQ | 17 | 542 | 9389 |
Posta | RI | 17 | 694 | 10083 |
Cascia | PG | 17 | 3217 | 13300 |
Norcia | PG | 18 | 4957 | 18257 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.7 | 2021-10-12 21:43:41 |
42.6563 | 13.2087 | 15 | 2021-10-12 21:48:59 |
Sala Sismica INGV-Roma | 96482521 |
Field | Value |
---|---|
Time (UTC) | 2021-10-12 21:43:41 ± 0.11 |
Latitude | 42.6563 ± 0.0054 |
Longitude | 13.2087 ± 0.0049 |
Depth (km) | 15 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 96482521 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 555 |
Semi-minor axis of confidence ellipse (meter) | 204 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 21 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 550.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 117 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 10 |
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) | 0.09623 |
Epicentral distance of station farthest from the epicenter (degree) | 0.29228 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 0.7 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 96482521 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-12 21:48:59 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TERO.HHZ. | 2021-10-12T21:43:52.28 | 0.1 | undecidable | manual | S | 96 | 32.4453 | 100 | -0.17 | 94 |
IV.NRCA.HHZ. | 2021-10-12T21:43:49.35 | 0.1 | undecidable | manual | S | 339 | 21.0678 | 110 | -0.16 | 95 |
IV.RM33.EHZ. | 2021-10-12T21:43:48.15 | 0.1 | undecidable | manual | S | 178 | 16.3725 | 119 | -0.21 | 96 |
IV.LNSS.HHZ. | 2021-10-12T21:43:47.92 | 0.1 | undecidable | manual | S | 247 | 14.9739 | 122 | -0.12 | 97 |
IV.TERO.HHZ. | 2021-10-12T21:43:47.79 | 0.6 | undecidable | manual | P | 96 | 32.4453 | 100 | 0.08 | 48 |
IV.SMA1.EHZ. | 2021-10-12T21:43:47.21 | 0.1 | undecidable | manual | S | 106 | 10.6782 | 135 | 0.05 | 100 |
IV.NRCA.HHZ. | 2021-10-12T21:43:46.17 | 0.3 | positive | manual | P | 339 | 21.0678 | 110 | 0.16 | 73 |
IV.LNSS.HHZ. | 2021-10-12T21:43:45.33 | 0.1 | undecidable | manual | P | 247 | 14.9739 | 122 | 0.16 | 98 |
IV.RM33.EHZ. | 2021-10-12T21:43:45.53 | 0.3 | undecidable | manual | P | 178 | 16.3725 | 119 | 0.18 | 72 |
IV.SMA1.EHZ. | 2021-10-12T21:43:44.90 | 0.6 | negative | manual | P | 106 | 10.6782 | 135 | 0.24 | 48 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LNSS.HHN. | ML:0.6 | 0.00003625000000000001 | 0.36 | AML | other | m | 2021-10-12T21:43:48.00 |
IV.LNSS.HHE. | ML:0.6 | 0.00002915 | 0.18 | AML | other | m | 2021-10-12T21:43:48.02 |
IV.NRCA.HHE. | ML:0.9 | 0.00004455 | 0.56 | AML | other | m | 2021-10-12T21:43:49.60 |
IV.NRCA.HHN. | ML:0.7 | 0.00003155 | 1.54 | AML | other | m | 2021-10-12T21:43:50.20 |