A magnitude ML 1.1 earthquake occured in region: 4 km W Amatrice (RI), on
and geographic coordinates (lat, lon) 42.6320, 13.2450 at 13 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 | 4 | 2657 | 2657 |
Cittareale | RI | 7 | 482 | 3139 |
Accumoli | RI | 7 | 667 | 3806 |
Montereale | AQ | 12 | 2581 | 6387 |
Capitignano | AQ | 13 | 665 | 7052 |
Campotosto | AQ | 13 | 542 | 7594 |
Borbona | RI | 16 | 617 | 8211 |
Arquata del Tronto | AP | 16 | 1178 | 9389 |
Posta | RI | 17 | 694 | 10083 |
Cagnano Amiterno | AQ | 19 | 1369 | 11452 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2021-09-09 23:41:41 |
42.6322 | 13.2448 | 13 | 2021-09-09 23:45:55 |
Sala Sismica INGV-Roma | 95249851 |
Field | Value |
---|---|
Time (UTC) | 2021-09-09 23:41:41 ± 0.11 |
Latitude | 42.6322 ± 0.0036 |
Longitude | 13.2448 ± 0.0061 |
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 | 95249851 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 453 |
Semi-minor axis of confidence ellipse (meter) | 394 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 79 |
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) | 98 |
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) | 0.17 |
Epicentral distance of station closest to the epicenter (degree) | 0.06655 |
Epicentral distance of station farthest from the epicenter (degree) | 0.27339 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 95249851 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-09 23:45:55 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.GAVE.EHZ. | 2021-09-09T23:41:51.44 | 0.1 | undecidable | manual | S | 283 | 29.3484 | 96 | 0.07 | 95 |
IV.TERO.HHZ. | 2021-09-09T23:41:51.08 | 0.1 | undecidable | manual | S | 92 | 29.3484 | 96 | -0.27 | 91 |
IV.MMO1.EHZ. | 2021-09-09T23:41:51.78 | 0.1 | undecidable | manual | S | 13 | 30.3474 | 95 | 0.15 | 94 |
IV.NRCA.HHZ. | 2021-09-09T23:41:49.86 | 0.1 | undecidable | manual | S | 335 | 24.753 | 98 | -0.28 | 92 |
IV.MMO1.EHZ. | 2021-09-09T23:41:47.26 | 1.0 | undecidable | manual | P | 13 | 30.3474 | 95 | 0.1 | 24 |
IV.GAVE.EHZ. | 2021-09-09T23:41:47.05 | 0.6 | negative | manual | P | 283 | 29.3484 | 96 | 0.04 | 48 |
IV.RM33.EHZ. | 2021-09-09T23:41:47.28 | 0.1 | undecidable | manual | S | 190 | 13.875 | 116 | -0.06 | 99 |
IV.TERO.HHZ. | 2021-09-09T23:41:47.15 | 0.3 | undecidable | manual | P | 92 | 29.3484 | 96 | 0.15 | 71 |
IV.NRCA.HHZ. | 2021-09-09T23:41:46.33 | 0.3 | undecidable | manual | P | 335 | 24.753 | 98 | 0.03 | 73 |
IV.SMA1.EHZ. | 2021-09-09T23:41:45.98 | 0.1 | undecidable | manual | S | 91 | 7.3815 | 141 | 0 | 100 |
IV.RM33.EHZ. | 2021-09-09T23:41:44.89 | 1.0 | positive | manual | P | 190 | 13.875 | 116 | 0.21 | 24 |
IV.SMA1.EHZ. | 2021-09-09T23:41:44.20 | 0.6 | negative | manual | P | 91 | 7.3815 | 141 | 0.31 | 47 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SMA1.EHE. | ML:1.4 | 0.0003 | 0.28 | AML | other | m | 2021-09-09T23:41:46.19 |
IV.SMA1.EHN. | ML:1.2 | 0.0001865 | 0.24 | AML | other | m | 2021-09-09T23:41:46.38 |
IV.RM33.EHE. | ML:1.0 | 0.00009615000000000002 | 0.62 | AML | other | m | 2021-09-09T23:41:47.75 |
IV.RM33.EHN. | ML:0.9 | 0.0000677 | 0.12 | AML | other | m | 2021-09-09T23:41:47.64 |
IV.NRCA.HHE. | ML:1.1 | 0.00007405000000000001 | 0.12 | AML | other | m | 2021-09-09T23:41:50.08 |
IV.NRCA.HHN. | ML:1.0 | 0.00005824999999999999 | 0.28 | AML | other | m | 2021-09-09T23:41:50.39 |
IV.TERO.HHE. | ML:2.3 | 0.0009320000000000001 | 0.46 | AML | other | m | 2021-09-09T23:41:51.46 |
IV.TERO.HHN. | ML:0.8 | 0.00002885 | 1.28 | AML | other | m | 2021-09-09T23:41:52.05 |