A magnitude ML 0.8 earthquake occured in region: 5 km E Cittareale (RI), on
and geographic coordinates (lat, lon) 42.6360, 13.2120 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 |
---|---|---|---|---|
Cittareale | RI | 5 | 482 | 482 |
Amatrice | RI | 6 | 2657 | 3139 |
Accumoli | RI | 7 | 667 | 3806 |
Montereale | AQ | 13 | 2581 | 6387 |
Capitignano | AQ | 15 | 665 | 7052 |
Borbona | RI | 15 | 617 | 7669 |
Posta | RI | 16 | 694 | 8363 |
Campotosto | AQ | 16 | 542 | 8905 |
Arquata del Tronto | AP | 17 | 1178 | 10083 |
Cascia | PG | 19 | 3217 | 13300 |
Cagnano Amiterno | AQ | 20 | 1369 | 14669 |
Norcia | PG | 20 | 4957 | 19626 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2021-11-20 23:33:43 |
42.6363 | 13.2122 | 13 | 2021-11-20 23:43:33 |
Sala Sismica INGV-Roma | 97643251 |
Field | Value |
---|---|
Time (UTC) | 2021-11-20 23:33:43 ± 0.08 |
Latitude | 42.6363 ± 0.0036 |
Longitude | 13.2122 ± 0.0037 |
Depth (km) | 13 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 97643251 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 397 |
Semi-minor axis of confidence ellipse (meter) | 247 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 193 |
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) | 85 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.12 |
Epicentral distance of station closest to the epicenter (degree) | 0.09083 |
Epicentral distance of station farthest from the epicenter (degree) | 0.28868 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 97643251 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-11-20 23:43:33 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.GAVE.EHZ. | 2021-11-20T23:33:52.67 | 0.1 | undecidable | manual | S | 284 | 26.6511 | 96 | -0.03 | 97 |
IV.NRCA.HHZ. | 2021-11-20T23:33:51.65 | 0.1 | undecidable | manual | S | 340 | 23.2545 | 98 | -0.16 | 95 |
IV.MMO1.EHZ. | 2021-11-20T23:33:49.28 | 1.0 | undecidable | manual | P | 18 | 30.6471 | 95 | 0.02 | 24 |
IV.RM33.EHZ. | 2021-11-20T23:33:49.28 | 0.1 | undecidable | manual | S | 179 | 14.0748 | 114 | -0.16 | 96 |
IV.TERO.HHZ. | 2021-11-20T23:33:49.40 | 0.6 | undecidable | manual | P | 93 | 32.0457 | 94 | -0.07 | 48 |
IV.LNSS.HHZ. | 2021-11-20T23:33:49.52 | 0.1 | undecidable | manual | S | 255 | 14.4744 | 113 | -0.01 | 99 |
IV.SMA1.EHZ. | 2021-11-20T23:33:48.48 | 0.1 | undecidable | manual | S | 94 | 10.0788 | 129 | -0.04 | 100 |
IV.NRCA.HHZ. | 2021-11-20T23:33:48.14 | 0.6 | positive | manual | P | 340 | 23.2545 | 98 | 0.01 | 49 |
IV.GAVE.EHZ. | 2021-11-20T23:33:48.76 | 0.3 | negative | manual | P | 284 | 26.6511 | 96 | 0.11 | 72 |
IV.RM33.EHZ. | 2021-11-20T23:33:46.85 | 0.3 | positive | manual | P | 179 | 14.0748 | 114 | 0.09 | 74 |
IV.LNSS.HHZ. | 2021-11-20T23:33:46.96 | 0.1 | positive | manual | P | 255 | 14.4744 | 113 | 0.14 | 97 |
IV.SMA1.EHZ. | 2021-11-20T23:33:46.48 | 0.6 | negative | manual | P | 94 | 10.0788 | 129 | 0.24 | 48 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SMA1.EHE. | ML:1.3 | 0.0002055 | 0.26 | AML | other | m | 2021-11-20T23:33:48.83 |
IV.RM33.EHE. | ML:0.7 | 0.0000426 | 0.28 | AML | other | m | 2021-11-20T23:33:49.56 |
IV.SMA1.EHN. | ML:0.8 | 0.00006675000000000001 | 0.74 | AML | other | m | 2021-11-20T23:33:49.60 |
IV.LNSS.HHN. | ML:0.9 | 0.00006535 | 0.34 | AML | other | m | 2021-11-20T23:33:49.68 |
IV.LNSS.HHE. | ML:0.9 | 0.0000722 | 0.16 | AML | other | m | 2021-11-20T23:33:49.81 |
IV.RM33.EHN. | ML:0.6 | 0.00003635 | 0.14 | AML | other | m | 2021-11-20T23:33:49.92 |
IV.NRCA.HHE. | ML:1.0 | 0.00006715 | 0.1 | AML | other | m | 2021-11-20T23:33:51.91 |
IV.NRCA.HHN. | ML:0.8 | 0.00003335 | 0.1 | AML | other | m | 2021-11-20T23:33:52.56 |
IV.GAVE.EHE. | ML:0.7 | 0.00002365 | 1.52 | AML | other | m | 2021-11-20T23:33:53.13 |
IV.GAVE.EHN. | ML:0.8 | 0.000029350000000000002 | 0.5 | AML | other | m | 2021-11-20T23:33:53.00 |