A magnitude ML 1.0 earthquake occured in region: 1 km NW Cittareale (RI), on
and geographic coordinates (lat, lon) 42.6230, 13.1540 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 |
---|---|---|---|---|
Cittareale | RI | 1 | 482 | 482 |
Amatrice | RI | 11 | 2657 | 3139 |
Accumoli | RI | 11 | 667 | 3806 |
Posta | RI | 12 | 694 | 4500 |
Borbona | RI | 12 | 617 | 5117 |
Montereale | AQ | 13 | 2581 | 7698 |
Cascia | PG | 16 | 3217 | 10915 |
Capitignano | AQ | 17 | 665 | 11580 |
Monteleone di Spoleto | PG | 17 | 599 | 12179 |
Leonessa | RI | 17 | 2435 | 14614 |
Cagnano Amiterno | AQ | 19 | 1369 | 15983 |
Campotosto | AQ | 19 | 542 | 16525 |
Norcia | PG | 20 | 4957 | 21482 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2021-07-07 22:16:37 |
42.623 | 13.1545 | 11 | 2021-07-07 22:27:55 |
Sala Sismica INGV-Roma | 92384291 |
Field | Value |
---|---|
Time (UTC) | 2021-07-07 22:16:37 ± 0.06 |
Latitude | 42.6230 ± 0.0036 |
Longitude | 13.1545 ± 0.0037 |
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 | 92384291 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 285 |
Semi-minor axis of confidence ellipse (meter) | 238 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 343 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 290.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 98 |
Number of associated phases, regardless of their use for origin computation | 15 |
Number of defining phases | 15 |
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) | 0.08633 |
Epicentral distance of station farthest from the epicenter (degree) | 0.30397 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.3 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 92384291 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-07-07 22:27:55 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MC2.EHN. | 2021-07-07T22:16:48.41 | 0.6 | undecidable | manual | S | 5 | 32.1456 | 90 | 0.11 | 48 |
IV.MMO1.EHZ. | 2021-07-07T22:16:48.61 | 0.6 | undecidable | manual | S | 25 | 33.744 | 90 | -0.11 | 47 |
IV.GAVE.EHZ. | 2021-07-07T22:16:45.55 | 0.6 | undecidable | manual | S | 290 | 22.5552 | 90 | -0.2 | 47 |
IV.ARRO.EHZ. | 2021-07-07T22:16:43.82 | 0.6 | negative | manual | P | 261 | 32.1456 | 90 | 0.19 | 47 |
IV.RM33.HNN. | 2021-07-07T22:16:43.09 | 0.6 | undecidable | manual | S | 159 | 13.5753 | 98 | -0.25 | 48 |
IV.MC2.EHN. | 2021-07-07T22:16:43.48 | 1.0 | undecidable | manual | P | 5 | 32.1456 | 90 | -0.16 | 24 |
IV.MMO1.EHZ. | 2021-07-07T22:16:43.80 | 1.0 | undecidable | manual | P | 25 | 33.744 | 90 | -0.08 | 24 |
IV.SMA1.EHZ. | 2021-07-07T22:16:43.57 | 0.6 | undecidable | manual | S | 87 | 14.7741 | 93 | -0.1 | 50 |
IV.GAVE.EHZ. | 2021-07-07T22:16:42.12 | 0.1 | positive | manual | P | 290 | 22.5552 | 90 | -0.05 | 98 |
IV.LNSS.HHZ. | 2021-07-07T22:16:42.30 | 0.6 | undecidable | manual | S | 257 | 9.5793 | 122 | -0.06 | 49 |
IV.T1299.EHZ. | 2021-07-07T22:16:42.38 | 0.6 | undecidable | manual | S | 83 | 10.4784 | 117 | -0.19 | 49 |
IV.SMA1.EHZ. | 2021-07-07T22:16:41.07 | 0.1 | positive | manual | P | 87 | 14.7741 | 93 | 0.11 | 98 |
IV.LNSS.HHZ. | 2021-07-07T22:16:40.38 | 0.1 | positive | manual | P | 257 | 9.5793 | 122 | 0.17 | 98 |
IV.T1299.EHZ. | 2021-07-07T22:16:40.38 | 0.1 | undecidable | manual | P | 83 | 10.4784 | 117 | 0.05 | 100 |
IV.RM33.HNN. | 2021-07-07T22:16:40.80 | 0.1 | undecidable | manual | P | 159 | 13.5753 | 98 | 0.02 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LNSS.HHN. | ML:0.7 | 0.00006659999999999999 | 0.16 | AML | other | m | 2021-07-07T22:16:42.57 |
IV.LNSS.HHE. | ML:0.9 | 0.0000908 | 1.22 | AML | other | m | 2021-07-07T22:16:43.65 |
IV.SMA1.EHE. | ML:1.5 | 0.000312 | 1.74 | AML | other | m | 2021-07-07T22:16:43.92 |
IV.SMA1.EHN. | ML:1.1 | 0.0001035 | 1.72 | AML | other | m | 2021-07-07T22:16:44.93 |