A magnitude ML 0.9 earthquake occured in region: 4 km E Amatrice (RI), on
and geographic coordinates (lat, lon) 42.6380, 13.3390 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 | 4 | 2657 | 2657 |
Campotosto | AQ | 9 | 542 | 3199 |
Accumoli | RI | 10 | 667 | 3866 |
Capitignano | AQ | 13 | 665 | 4531 |
Cortino | TE | 14 | 656 | 5187 |
Montereale | AQ | 15 | 2581 | 7768 |
Cittareale | RI | 15 | 482 | 8250 |
Crognaleto | TE | 15 | 1297 | 9547 |
Arquata del Tronto | AP | 16 | 1178 | 10725 |
Acquasanta Terme | AP | 16 | 2916 | 13641 |
Rocca Santa Maria | TE | 16 | 537 | 14178 |
Valle Castellana | TE | 17 | 977 | 15155 |
Fano Adriano | TE | 19 | 296 | 15451 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2021-09-02 23:48:36 |
42.6375 | 13.3387 | 11 | 2021-09-02 23:52:53 |
Sala Sismica INGV-Roma | 94976651 |
Field | Value |
---|---|
Time (UTC) | 2021-09-02 23:48:36 ± 0.06 |
Latitude | 42.6375 ± 0.0036 |
Longitude | 13.3387 ± 0.0061 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 94976651 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 569 |
Semi-minor axis of confidence ellipse (meter) | 260 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 296 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 570.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 143 |
Number of associated phases, regardless of their use for origin computation | 9 |
Number of defining phases | 9 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.09 |
Epicentral distance of station closest to the epicenter (degree) | 0.00719 |
Epicentral distance of station farthest from the epicenter (degree) | 0.26170 |
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 | 0.9 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 94976651 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-02 23:52:53 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TERO.HHZ. | 2021-09-02T23:48:44.48 | 0.6 | undecidable | manual | S | 94 | 21.6672 | 50 | -0.03 | 97 |
IV.RM33.EHZ. | 2021-09-02T23:48:43.24 | 0.6 | undecidable | manual | S | 215 | 17.4714 | 122 | -0.1 | 96 |
IV.MTRA.EHZ. | 2021-09-02T23:48:42.27 | 0.6 | undecidable | manual | S | 20 | 14.0748 | 128 | -0.09 | 97 |
IV.MMO1.EHZ. | 2021-09-02T23:48:42.10 | 0.6 | negative | manual | P | 358 | 29.0487 | 50 | -0.03 | 96 |
IV.TERO.HHZ. | 2021-09-02T23:48:41.00 | 1.0 | undecidable | manual | P | 94 | 21.6672 | 50 | 0 | 49 |
IV.RM33.EHZ. | 2021-09-02T23:48:40.39 | 0.6 | negative | manual | P | 215 | 17.4714 | 122 | 0.06 | 97 |
IV.MTRA.EHZ. | 2021-09-02T23:48:39.83 | 0.6 | undecidable | manual | P | 20 | 14.0748 | 128 | 0.07 | 98 |
IV.SMA1.EHZ. | 2021-09-02T23:48:39.92 | 0.6 | undecidable | manual | S | 200 | 0.7992 | 176 | -0.06 | 100 |
IV.SMA1.EHZ. | 2021-09-02T23:48:38.71 | 1.0 | undecidable | manual | P | 200 | 0.7992 | 176 | 0.33 | 47 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MTRA.EHN. | ML:0.9 | 0.0000821 | 0.24 | AML | other | m | 2021-09-02T23:48:42.23 |
IV.MTRA.EHE. | ML:1.1 | 0.00011549999999999999 | 0.44 | AML | other | m | 2021-09-02T23:48:42.24 |
IV.RM33.EHN. | ML:0.8 | 0.00004894999999999999 | 0.3 | AML | other | m | 2021-09-02T23:48:43.34 |
IV.RM33.EHE. | ML:0.8 | 0.0000533 | 0.14 | AML | other | m | 2021-09-02T23:48:43.51 |