A magnitude ML 0.9 earthquake occured in region: 4 km NE Accumoli (RI), on
and geographic coordinates (lat, lon) 42.7170, 13.2800 at 10 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 | 6 | 1178 | 1845 |
Amatrice | RI | 10 | 2657 | 4502 |
Acquasanta Terme | AP | 12 | 2916 | 7418 |
Cittareale | RI | 15 | 482 | 7900 |
Montegallo | AP | 15 | 523 | 8423 |
Norcia | PG | 17 | 4957 | 13380 |
Valle Castellana | TE | 18 | 977 | 14357 |
Campotosto | AQ | 19 | 542 | 14899 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2023-08-31 23:18:01 |
42.7172 | 13.2805 | 10 | 2023-08-31 23:38:15 |
Sala Sismica INGV-Roma | 120647731 |
Field | Value |
---|---|
Time (UTC) | 2023-08-31 23:18:01 ± 0.05 |
Latitude | 42.7172 ± 0.0018 |
Longitude | 13.2805 ± 0.0049 |
Depth (km) | 10 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 120647731 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 370 |
Semi-minor axis of confidence ellipse (meter) | 37 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 267 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 370.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 54 |
Number of associated phases, regardless of their use for origin computation | 33 |
Number of defining phases | 30 |
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) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.37861 |
Number of stations at which the event was observed | 18 |
Number of stations from which data was used for origin computation | 15 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.3 |
Num. used stations | 17 |
Type of magnitude | ML |
Reference to an origin | 120647731 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-08-31 23:38:15 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FRON.EHZ. | 2023-08-31T23:18:29.84 | 3.0 | undecidable | manual | S | -0.26 | 0 | |||
IV.CADA.HNZ. | 2023-08-31T23:18:18.47 | 3.0 | undecidable | manual | S | -1.09 | 0 | |||
IV.GIGS.HHZ. | 2023-08-31T23:18:14.09 | 0.3 | undecidable | manual | S | 141 | 37.8288 | 50 | 0.16 | 70 |
IV.GUMA.HHZ. | 2023-08-31T23:18:14.85 | 0.3 | undecidable | manual | S | 7 | 38.628 | 50 | 0.7 | 60 |
IV.CSP1.EHZ. | 2023-08-31T23:18:14.83 | 0.3 | undecidable | manual | S | 352 | 42.0246 | 50 | -0.24 | 69 |
IV.FDMO.HHZ. | 2023-08-31T23:18:14.04 | 0.6 | undecidable | manual | S | 336 | 38.7279 | 50 | -0.16 | 47 |
IV.GAVE.EHE. | 2023-08-31T23:18:12.12 | 0.6 | undecidable | manual | S | 265 | 31.6461 | 50 | -0.17 | 47 |
IV.MOMA.HHZ. | 2023-08-31T23:18:12.15 | 3.0 | undecidable | manual | P | 0.32 | 0 | |||
IV.RM33.EHZ. | 2023-08-31T23:18:10.19 | 0.6 | undecidable | manual | S | 193 | 23.754 | 112 | 0.25 | 47 |
IV.TERO.HHZ. | 2023-08-31T23:18:10.95 | 0.6 | undecidable | manual | S | 112 | 28.3494 | 50 | -0.47 | 45 |
IV.GUMA.HHZ. | 2023-08-31T23:18:09.03 | 0.3 | undecidable | manual | P | 7 | 38.628 | 50 | 0.41 | 67 |
IV.LNSS.HHZ. | 2023-08-31T23:18:09.77 | 0.3 | undecidable | manual | S | 237 | 23.3544 | 112 | -0.04 | 74 |
7F.SIB1.EHN. | 2023-08-31T23:18:08.62 | 0.3 | undecidable | manual | S | 358 | 19.6692 | 116 | -0.05 | 74 |
IV.FDMO.HHZ. | 2023-08-31T23:18:08.52 | 0.1 | undecidable | manual | P | 336 | 38.7279 | 50 | -0.12 | 94 |
IV.NRCA.HHZ. | 2023-08-31T23:18:08.10 | 0.3 | undecidable | manual | S | 314 | 18.6702 | 117 | -0.25 | 71 |
IV.GIGS.HHZ. | 2023-08-31T23:18:08.60 | 0.3 | undecidable | manual | P | 141 | 37.8288 | 50 | 0.11 | 71 |
IV.MMO1.EHZ. | 2023-08-31T23:18:08.89 | 0.3 | undecidable | manual | S | 11 | 20.5683 | 115 | -0.04 | 74 |
7F.SIB2.EHZ. | 2023-08-31T23:18:08.37 | 0.3 | undecidable | manual | S | 6 | 19.3695 | 116 | -0.2 | 72 |
IV.CSP1.EHZ. | 2023-08-31T23:18:08.97 | 0.3 | undecidable | manual | P | 352 | 42.0246 | 50 | -0.18 | 70 |
IV.GAVE.EHE. | 2023-08-31T23:18:07.50 | 0.1 | undecidable | manual | P | 265 | 31.6461 | 50 | -0.04 | 97 |
7F.SIB3.EHZ. | 2023-08-31T23:18:07.91 | 0.3 | undecidable | manual | S | 357 | 17.5713 | 119 | -0.09 | 74 |
IV.LNSS.HHZ. | 2023-08-31T23:18:06.20 | 0.1 | undecidable | manual | P | 237 | 23.3544 | 112 | 0.09 | 98 |
IV.RM33.EHZ. | 2023-08-31T23:18:06.25 | 0.1 | undecidable | manual | P | 193 | 23.754 | 112 | 0.06 | 98 |
IV.TERO.HHZ. | 2023-08-31T23:18:06.63 | 0.1 | undecidable | manual | P | 112 | 28.3494 | 50 | -0.41 | 90 |
7F.SIB2.EHZ. | 2023-08-31T23:18:05.51 | 0.1 | undecidable | manual | P | 6 | 19.3695 | 116 | 0.11 | 98 |
IV.SMA1.EHZ. | 2023-08-31T23:18:05.77 | 0.3 | undecidable | manual | S | 155 | 10.5783 | 132 | -0.25 | 72 |
7F.SIB3.EHZ. | 2023-08-31T23:18:05.28 | 0.1 | undecidable | manual | P | 357 | 17.5713 | 119 | 0.21 | 96 |
IV.MTRA.EHN. | 2023-08-31T23:18:05.72 | 0.6 | undecidable | manual | S | 65 | 10.3785 | 133 | -0.26 | 48 |
7F.SIB1.EHN. | 2023-08-31T23:18:05.72 | 0.1 | undecidable | manual | P | 358 | 19.6692 | 116 | 0.26 | 95 |
IV.NRCA.HHZ. | 2023-08-31T23:18:05.15 | 0.1 | undecidable | manual | P | 314 | 18.6702 | 117 | -0.12 | 98 |
IV.MMO1.EHZ. | 2023-08-31T23:18:05.66 | 0.1 | undecidable | manual | P | 11 | 20.5683 | 115 | 0.05 | 99 |
IV.SMA1.EHZ. | 2023-08-31T23:18:04.13 | 0.1 | positive | manual | P | 155 | 10.5783 | 132 | 0.21 | 97 |
IV.MTRA.EHN. | 2023-08-31T23:18:03.98 | 0.1 | undecidable | manual | P | 65 | 10.3785 | 133 | 0.08 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SMA1.EHN. | ML:1.0 | 0.00012120174999999999 | 0.0768 | AML | other | m | 2023-08-31T23:18:06.31 |
IV.SMA1.EHE. | ML:0.9 | 0.00010535 | 0.56 | AML | other | m | 2023-08-31T23:18:06.44 |
IV.NRCA.HHE. | ML:1.3 | 0.00016599999999999997 | 0.14 | AML | other | m | 2023-08-31T23:18:08.61 |
IV.NRCA.HHN. | ML:1.1 | 0.00009839999999999999 | 1.56 | AML | other | m | 2023-08-31T23:18:08.81 |
IV.MMO1.EHN. | ML:1.2 | 0.000123 | 0.28 | AML | other | m | 2023-08-31T23:18:09.19 |
IV.MMO1.EHE. | ML:1.0 | 0.00006485276499999999 | 0.1792 | AML | other | m | 2023-08-31T23:18:09.08 |
IV.LNSS.HHE. | ML:0.8 | 0.00004683793 | 0.128 | AML | other | m | 2023-08-31T23:18:11.42 |
IV.TERO.HHN. | ML:1.2 | 0.00008898371 | 0.128 | AML | other | m | 2023-08-31T23:18:11.08 |
IV.RM33.EHN. | ML:0.5 | 0.000018766174999999998 | 0.128 | AML | other | m | 2023-08-31T23:18:10.50 |
IV.TERO.HHE. | ML:0.9 | 0.000042300000000000005 | 0.14 | AML | other | m | 2023-08-31T23:18:11.28 |
IV.RM33.EHE. | ML:0.5 | 0.000017851134999999998 | 0.128 | AML | other | m | 2023-08-31T23:18:12.46 |
IV.LNSS.HHN. | ML:0.7 | 0.000029035489999999996 | 0.1408 | AML | other | m | 2023-08-31T23:18:11.88 |
IV.FDMO.HHE. | ML:0.4 | 0.00000938 | 0.24 | AML | other | m | 2023-08-31T23:18:14.67 |
IV.FDMO.HHN. | ML:0.4 | 0.000011009942 | 0.1792 | AML | other | m | 2023-08-31T23:18:14.66 |
IV.MOMA.HHE. | ML:0.7 | 0.00001035536 | 0.1792 | AML | other | m | 2023-08-31T23:18:22.20 |
IV.GIGS.HHE. | ML:0.0 | 0.0000024912484999999997 | 0.0896 | AML | other | m | 2023-08-31T23:18:14.93 |
IV.GIGS.HHN. | ML:0.0 | 0.000002400611 | 0.0512 | AML | other | m | 2023-08-31T23:18:14.62 |
IV.CSP1.EHE. | ML:1.0 | 0.000028515705 | 0.2432 | AML | other | m | 2023-08-31T23:18:16.60 |
IV.CSP1.EHN. | ML:0.8 | 0.00002018922 | 0.1792 | AML | other | m | 2023-08-31T23:18:15.46 |