A magnitude ML 1.0 earthquake occured in region: 6 km NW Accumoli (RI), on
and geographic coordinates (lat, lon) 42.7350, 13.1980 at 9 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 |
---|---|---|---|---|
Accumoli | RI | 6 | 667 | 667 |
Arquata del Tronto | AP | 9 | 1178 | 1845 |
Norcia | PG | 11 | 4957 | 6802 |
Cittareale | RI | 13 | 482 | 7284 |
Amatrice | RI | 14 | 2657 | 9941 |
Cascia | PG | 15 | 3217 | 13158 |
Montegallo | AP | 16 | 523 | 13681 |
Acquasanta Terme | AP | 18 | 2916 | 16597 |
Castelsantangelo sul Nera | MC | 18 | 281 | 16878 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2023-04-15 02:33:46 |
42.7347 | 13.1982 | 9 | 2023-04-15 03:52:19 |
Sala Sismica INGV-Roma | 116400511 |
Field | Value |
---|---|
Time (UTC) | 2023-04-15 02:33:46 ± 0.11 |
Latitude | 42.7347 ± 0.0045 |
Longitude | 13.1982 ± 0.0086 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 116400511 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 636 |
Semi-minor axis of confidence ellipse (meter) | 410 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 106 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 640.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 106 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 13 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.21 |
Epicentral distance of station closest to the epicenter (degree) | 0.11601 |
Epicentral distance of station farthest from the epicenter (degree) | 0.34534 |
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 | 1.0 |
Uncertainty | 0.2 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 116400511 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-04-15 03:52:19 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CESI.HHZ. | 2023-04-15T02:33:59.47 | 0.6 | undecidable | manual | S | 322 | 38.3283 | 50 | 0.03 | 48 |
IV.RM33.EHZ. | 2023-04-15T02:33:55.21 | 0.6 | undecidable | manual | S | 177 | 25.0527 | 110 | -0.41 | 46 |
IV.LNSS.HHZ. | 2023-04-15T02:33:53.70 | 0.6 | undecidable | manual | S | 221 | 19.4694 | 115 | -0.12 | 49 |
7F.SIB2.EHE. | 2023-04-15T02:33:53.63 | 0.6 | undecidable | manual | S | 26 | 19.3695 | 115 | -0.16 | 49 |
IV.CESI.HHZ. | 2023-04-15T02:33:53.80 | 0.1 | undecidable | manual | P | 322 | 38.3283 | 50 | -0.11 | 95 |
IV.MMO1.EHZ. | 2023-04-15T02:33:53.98 | 0.6 | undecidable | manual | S | 30 | 21.0678 | 114 | -0.34 | 47 |
IV.NRCA.HHZ. | 2023-04-15T02:33:51.77 | 0.6 | undecidable | manual | S | 328 | 12.876 | 126 | -0.09 | 50 |
IV.MMO1.EHZ. | 2023-04-15T02:33:51.03 | 0.6 | undecidable | manual | P | 30 | 21.0678 | 114 | 0.08 | 49 |
IV.RM33.EHZ. | 2023-04-15T02:33:51.62 | 1.0 | undecidable | manual | P | 177 | 25.0527 | 110 | -0.08 | 25 |
IV.LNSS.HHZ. | 2023-04-15T02:33:50.84 | 1.0 | undecidable | manual | P | 221 | 19.4694 | 115 | 0.18 | 24 |
7F.SIB2.EHE. | 2023-04-15T02:33:50.68 | 0.1 | undecidable | manual | P | 26 | 19.3695 | 115 | 0.04 | 100 |
IV.SMA1.EHZ. | 2023-04-15T02:33:50.68 | 0.6 | undecidable | manual | P | 136 | 16.0728 | 120 | 0.62 | 44 |
IV.NRCA.HHZ. | 2023-04-15T02:33:49.78 | 0.1 | negative | manual | P | 328 | 12.876 | 126 | 0.25 | 97 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.0 | 0.0001245 | 1.92 | AML | other | m | 2023-04-15T02:33:51.97 |
IV.NRCA.HHE. | ML:1.2 | 0.0001895 | 0.82 | AML | other | m | 2023-04-15T02:33:52.51 |
IV.TERO.HHN. | ML:0.8 | 0.000024 | 0.76 | AML | other | m | 2023-04-15T02:34:05.86 |
IV.TERO.HHE. | ML:0.9 | 0.0000354 | 0.72 | AML | other | m | 2023-04-15T02:34:11.59 |