A magnitude ML 1.0 earthquake occured in region: 5 km W Amatrice (RI), on
and geographic coordinates (lat, lon) 42.6370, 13.2340 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 |
---|---|---|---|---|
Amatrice | RI | 5 | 2657 | 2657 |
Cittareale | RI | 6 | 482 | 3139 |
Accumoli | RI | 7 | 667 | 3806 |
Montereale | AQ | 13 | 2581 | 6387 |
Capitignano | AQ | 14 | 665 | 7052 |
Campotosto | AQ | 14 | 542 | 7594 |
Borbona | RI | 16 | 617 | 8211 |
Arquata del Tronto | AP | 16 | 1178 | 9389 |
Posta | RI | 17 | 694 | 10083 |
Cagnano Amiterno | AQ | 20 | 1369 | 11452 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2021-10-23 00:48:59 |
42.6373 | 13.2335 | 11 | 2021-10-23 00:56:07 |
Sala Sismica INGV-Roma | 96893431 |
Field | Value |
---|---|
Time (UTC) | 2021-10-23 00:48:59 ± 0.09 |
Latitude | 42.6373 ± 0.0036 |
Longitude | 13.2335 ± 0.0073 |
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 | 96893431 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 448 |
Semi-minor axis of confidence ellipse (meter) | 416 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 71 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 450.0 |
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 | 12 |
Number of defining phases | 11 |
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) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.27249 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.4 |
Num. used stations | 20 |
Type of magnitude | ML |
Reference to an origin | 96893431 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-23 00:56:07 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.NRCA.HHZ. | 2021-10-23T00:49:07.80 | 0.6 | undecidable | manual | S | 336 | 23.8539 | 91 | -0.17 | 63 |
IV.LNSS.HHZ. | 2021-10-23T00:49:05.90 | 0.6 | undecidable | manual | S | 256 | 16.2726 | 93 | -0.04 | 67 |
IV.GAVE.EHZ. | 2021-10-23T00:49:05.03 | 3.0 | positive | manual | P | 0.03 | 0 | |||
IV.RM33.EHZ. | 2021-10-23T00:49:05.25 | 0.6 | undecidable | manual | S | 186 | 14.2746 | 97 | -0.18 | 66 |
IV.NRCA.HHZ. | 2021-10-23T00:49:04.23 | 0.3 | negative | manual | P | 336 | 23.8539 | 91 | -0.01 | 99 |
IV.SMA1.EHZ. | 2021-10-23T00:49:04.03 | 0.6 | undecidable | manual | S | 95 | 8.3805 | 130 | 0.04 | 67 |
IV.TERO.HHZ. | 2021-10-23T00:49:04.85 | 1.0 | undecidable | manual | P | 93 | 30.2475 | 90 | -0.38 | 30 |
IV.T1299.HNN. | 2021-10-23T00:49:03.10 | 0.6 | undecidable | manual | S | 95 | 3.996 | 154 | -0.17 | 65 |
IV.LNSS.HHZ. | 2021-10-23T00:49:03.15 | 0.3 | undecidable | manual | P | 256 | 16.2726 | 93 | 0.08 | 98 |
IV.SMA1.EHZ. | 2021-10-23T00:49:02.10 | 0.3 | undecidable | manual | P | 95 | 8.3805 | 130 | 0.16 | 98 |
IV.RM33.EHZ. | 2021-10-23T00:49:02.83 | 0.3 | undecidable | manual | P | 186 | 14.2746 | 97 | 0.05 | 98 |
IV.T1299.HNN. | 2021-10-23T00:49:01.65 | 0.3 | undecidable | manual | P | 95 | 3.996 | 154 | 0.12 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SMA1.EHE. | ML:1.2 | 0.0002111084 | 0.3 | AML | other | m | 2021-10-23T00:49:04.27 |
IV.SMA1.EHN. | ML:0.9 | 0.000100012785 | 0.26 | AML | other | m | 2021-10-23T00:49:04.31 |
IV.LNSS.HHN. | ML:0.7 | 0.000041201945000000006 | 0.14 | AML | other | m | 2021-10-23T00:49:06.13 |
IV.LNSS.HHE. | ML:0.7 | 0.00004295 | 0.14 | AML | other | m | 2021-10-23T00:49:06.16 |
IV.RM33.HNE. | ML:1.1 | 0.00013074975 | 0.71 | AML | other | m | 2021-10-23T00:49:08.40 |
IV.RM33.EHE. | ML:0.8 | 0.000054340159999999996 | 0.16 | AML | other | m | 2021-10-23T00:49:05.69 |
IV.RM33.EHN. | ML:0.6 | 0.00003498961 | 0.08 | AML | other | m | 2021-10-23T00:49:05.63 |
IV.LNSS.HNE. | ML:1.1 | 0.00009833074 | 0.63 | AML | other | m | 2021-10-23T00:49:04.76 |
IV.LNSS.HNN. | ML:1.2 | 0.0001385272 | 0.85 | AML | other | m | 2021-10-23T00:49:07.99 |
IV.NRCA.HNN. | ML:1.4 | 0.0001414918 | 0.78 | AML | other | m | 2021-10-23T00:49:11.59 |
IV.NRCA.HHE. | ML:0.6 | 0.00002450716 | 0.14 | AML | other | m | 2021-10-23T00:49:07.96 |
IV.NRCA.HHN. | ML:0.5 | 0.000017835335 | 0.1 | AML | other | m | 2021-10-23T00:49:08.78 |
IV.TERO.HHE. | ML:1.3 | 0.00008533250000000001 | 0.38 | AML | other | m | 2021-10-23T00:49:16.18 |
IV.TERO.HHN. | ML:0.3 | 0.000010092716 | 0.06 | AML | other | m | 2021-10-23T00:49:09.98 |
IV.TERO.HNE. | ML:1.4 | 0.00010356403 | 0.86 | AML | other | m | 2021-10-23T00:49:19.73 |
IV.TERO.HNN. | ML:1.7 | 0.00021264340000000002 | 0.69 | AML | other | m | 2021-10-23T00:49:15.24 |
IV.GAVE.HNE. | ML:1.3 | 0.00010171626999999999 | 0.55 | AML | other | m | 2021-10-23T00:49:15.95 |
IV.GAVE.HNN. | ML:1.5 | 0.00015472405 | 0.78 | AML | other | m | 2021-10-23T00:49:10.55 |
IV.GAVE.EHE. | ML:0.5 | 0.00001622191 | 0.16 | AML | other | m | 2021-10-23T00:49:11.06 |
IV.GAVE.EHN. | ML:0.5 | 0.0000137630105 | 0.24 | AML | other | m | 2021-10-23T00:49:09.80 |