A magnitude ML 0.8 earthquake occured in region: 4 km E Accumoli (RI), on
and geographic coordinates (lat, lon) 42.7030, 13.3020 at 12 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 | 4 | 667 | 667 |
Arquata del Tronto | AP | 8 | 1178 | 1845 |
Amatrice | RI | 8 | 2657 | 4502 |
Acquasanta Terme | AP | 12 | 2916 | 7418 |
Cittareale | RI | 15 | 482 | 7900 |
Montegallo | AP | 16 | 523 | 8423 |
Valle Castellana | TE | 17 | 977 | 9400 |
Campotosto | AQ | 17 | 542 | 9942 |
Rocca Santa Maria | TE | 19 | 537 | 10479 |
Cortino | TE | 19 | 656 | 11135 |
Norcia | PG | 20 | 4957 | 16092 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2023-04-26 21:25:48 |
42.7033 | 13.3017 | 12 | 2023-04-26 21:59:21 |
Sala Sismica INGV-Roma | 116781581 |
Field | Value |
---|---|
Time (UTC) | 2023-04-26 21:25:48 ± 0.08 |
Latitude | 42.7033 ± 0.0045 |
Longitude | 13.3017 ± 0.0073 |
Depth (km) | 12 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 116781581 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 579 |
Semi-minor axis of confidence ellipse (meter) | 448 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 90 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 580.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 105 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.16 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.39480 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 116781581 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-04-26 21:59:21 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2023-04-26T21:26:03.03 | 0.6 | undecidable | manual | S | 350 | 43.8228 | 91 | 0.39 | 47 |
IV.TERO.HHZ. | 2023-04-26T21:25:57.71 | 0.6 | undecidable | manual | S | 110 | 26.2515 | 92 | -0.23 | 48 |
IV.LNSS.HHZ. | 2023-04-26T21:25:57.33 | 0.6 | undecidable | manual | S | 243 | 24.0537 | 92 | -0.04 | 50 |
IV.NRCA.HHZ. | 2023-04-26T21:25:56.26 | 0.6 | undecidable | manual | S | 314 | 21.0678 | 93 | -0.3 | 47 |
IV.MMO1.EHZ. | 2023-04-26T21:25:56.72 | 0.6 | undecidable | manual | S | 5 | 21.867 | 93 | -0.06 | 49 |
IV.CSP1.EHZ. | 2023-04-26T21:25:56.69 | 1.0 | negative | manual | P | 350 | 43.8228 | 91 | 0.03 | 24 |
IV.RM33.EHZ. | 2023-04-26T21:25:56.90 | 0.6 | undecidable | manual | S | 198 | 22.6551 | 92 | -0.1 | 50 |
IV.ARRO.EHZ. | 2023-04-26T21:25:56.82 | 3.0 | undecidable | manual | P | -0.29 | 0 | |||
IV.GUMA.HHZ. | 2023-04-26T21:25:56.47 | 3.0 | negative | manual | P | 0.25 | 0 | |||
IV.RM33.EHZ. | 2023-04-26T21:25:53.45 | 1.0 | positive | manual | P | 198 | 22.6551 | 92 | 0.05 | 25 |
IV.LNSS.HHZ. | 2023-04-26T21:25:53.58 | 0.1 | undecidable | manual | P | 243 | 24.0537 | 92 | -0.03 | 100 |
IV.NRCA.HHZ. | 2023-04-26T21:25:53.05 | 0.3 | positive | manual | P | 314 | 21.0678 | 93 | -0.1 | 73 |
IV.TERO.HHZ. | 2023-04-26T21:25:53.90 | 0.1 | undecidable | manual | P | 110 | 26.2515 | 92 | -0.05 | 99 |
IV.MMO1.EHZ. | 2023-04-26T21:25:53.34 | 0.6 | positive | manual | P | 5 | 21.867 | 93 | 0.07 | 51 |
IV.SMA1.EHZ. | 2023-04-26T21:25:53.26 | 0.6 | undecidable | manual | S | 161 | 8.4804 | 130 | -0.14 | 50 |
IV.SMA1.EHZ. | 2023-04-26T21:25:51.62 | 0.1 | negative | manual | P | 161 | 8.4804 | 130 | 0.29 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SMA1.EHN. | ML:1.1 | 0.00016599999999999997 | 0.32 | AML | other | m | 2023-04-26T21:25:53.59 |
IV.SMA1.EHE. | ML:1.0 | 0.0001145 | 0.18 | AML | other | m | 2023-04-26T21:25:53.59 |
IV.MMO1.EHE. | ML:0.8 | 0.00004409 | 0.24 | AML | other | m | 2023-04-26T21:25:57.04 |
IV.NRCA.HHE. | ML:0.8 | 0.00004215 | 0.6 | AML | other | m | 2023-04-26T21:25:57.35 |
IV.MMO1.EHN. | ML:0.7 | 0.000037449999999999995 | 0.32 | AML | other | m | 2023-04-26T21:25:57.06 |
IV.NRCA.HHN. | ML:0.7 | 0.0000353 | 0.68 | AML | other | m | 2023-04-26T21:25:57.47 |
IV.RM33.EHE. | ML:0.7 | 0.00003015 | 0.68 | AML | other | m | 2023-04-26T21:25:57.69 |
IV.RM33.EHN. | ML:0.6 | 0.0000266 | 0.78 | AML | other | m | 2023-04-26T21:25:57.31 |
IV.LNSS.HHE. | ML:0.8 | 0.0000368 | 0.78 | AML | other | m | 2023-04-26T21:25:57.75 |
IV.TERO.HHN. | ML:0.8 | 0.000033350000000000004 | 0.16 | AML | other | m | 2023-04-26T21:25:57.84 |
IV.TERO.HHE. | ML:1.1 | 0.00006665000000000001 | 0.36 | AML | other | m | 2023-04-26T21:25:58.72 |
IV.LNSS.HHN. | ML:0.7 | 0.00002955 | 0.44 | AML | other | m | 2023-04-26T21:25:59.33 |