A magnitude ML 0.9 earthquake occured in region: 7 km W Montegallo (AP), on
and geographic coordinates (lat, lon) 42.8420, 13.2500 at 13 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
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 |
---|---|---|---|---|
Montegallo | AP | 7 | 523 | 523 |
Arquata del Tronto | AP | 9 | 1178 | 1701 |
Montemonaco | AP | 9 | 604 | 2305 |
Castelsantangelo sul Nera | MC | 10 | 281 | 2586 |
Montefortino | FM | 14 | 1178 | 3764 |
Norcia | PG | 14 | 4957 | 8721 |
Ussita | MC | 15 | 444 | 9165 |
Acquasanta Terme | AP | 15 | 2916 | 12081 |
Accumoli | RI | 16 | 667 | 12748 |
Visso | MC | 17 | 1107 | 13855 |
Bolognola | MC | 17 | 142 | 13997 |
Preci | PG | 18 | 724 | 14721 |
Amandola | FM | 18 | 3629 | 18350 |
Palmiano | AP | 18 | 196 | 18546 |
Roccafluvione | AP | 19 | 2010 | 20556 |
Comunanza | AP | 19 | 3166 | 23722 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.9 | 2023-04-22 22:51:22 |
42.8425 | 13.2505 | 13 | 2024-03-01 17:18:08 |
Bollettino Sismico Italiano INGV | 117406501 |
Reviewed Rev100 |
ML 0.5 | 2023-04-22 22:51:22 |
42.8368 | 13.2382 | 12 | 2023-04-22 23:01:31 |
Sala Sismica INGV-Roma | 116623781 |
Field | Value |
---|---|
Time (UTC) | 2023-04-22 22:51:22 ± 0.09 |
Latitude | 42.8425 ± 0.0036 |
Longitude | 13.2505 ± 0.0061 |
Depth (km) | 13 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 117406501 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 355 |
Semi-minor axis of confidence ellipse (meter) | 332 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 108 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 360.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 119 |
Number of associated phases, regardless of their use for origin computation | 22 |
Number of defining phases | 22 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.19 |
Epicentral distance of station closest to the epicenter (degree) | 0.03597 |
Epicentral distance of station farthest from the epicenter (degree) | 0.30037 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.2 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 117406501 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2023-05-16 12:43:04 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.4 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 116623781 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-04-22 23:01:31 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CESI.HHZ. | 2023-04-22T22:51:34.25 | 0.3 | undecidable | manual | S | 303 | 33.3444 | 96 | 0.15 | 71 |
IV.LNSS.HNZ. | 2023-04-22T22:51:33.83 | 0.3 | undecidable | manual | S | 213 | 31.6461 | 96 | 0.19 | 70 |
IV.CSP1.EHZ. | 2023-04-22T22:51:32.28 | 0.3 | undecidable | manual | S | 352 | 27.9498 | 98 | -0.37 | 68 |
IV.GUMA.HHZ. | 2023-04-22T22:51:32.66 | 0.6 | undecidable | manual | S | 16 | 25.3524 | 99 | 0.67 | 41 |
IV.FDMO.HHZ. | 2023-04-22T22:51:31.95 | 0.3 | undecidable | manual | S | 328 | 25.2525 | 99 | 0 | 73 |
IV.SMA1.EHZ. | 2023-04-22T22:51:31.65 | 0.3 | undecidable | manual | S | 164 | 24.5532 | 100 | -0.11 | 73 |
IV.LNSS.HNZ. | 2023-04-22T22:51:29.22 | 0.6 | undecidable | manual | P | 213 | 31.6461 | 96 | 0.2 | 46 |
IV.CESI.HHZ. | 2023-04-22T22:51:29.27 | 0.3 | negative | manual | P | 303 | 33.3444 | 96 | -0.01 | 72 |
IV.CSP1.EHZ. | 2023-04-22T22:51:28.20 | 0.3 | undecidable | manual | P | 352 | 27.9498 | 98 | -0.25 | 70 |
IV.GUMA.HHZ. | 2023-04-22T22:51:28.51 | 0.6 | undecidable | manual | P | 16 | 25.3524 | 99 | 0.44 | 44 |
IV.NRCA.HHZ. | 2023-04-22T22:51:28.32 | 0.3 | undecidable | manual | S | 265 | 11.0778 | 128 | -0.12 | 73 |
IV.MMO1.EHZ. | 2023-04-22T22:51:27.91 | 0.1 | undecidable | manual | S | 45 | 8.88 | 136 | -0.08 | 100 |
IV.SMA1.EHZ. | 2023-04-22T22:51:27.80 | 0.3 | undecidable | manual | P | 164 | 24.5532 | 100 | -0.14 | 73 |
7F.SIB2.EHZ. | 2023-04-22T22:51:27.41 | 0.6 | undecidable | manual | S | 39 | 6.8931 | 145 | -0.25 | 48 |
IV.FDMO.HHZ. | 2023-04-22T22:51:27.89 | 0.3 | undecidable | manual | P | 328 | 25.2525 | 99 | -0.16 | 71 |
7F.SIB1.EHZ. | 2023-04-22T22:51:27.74 | 0.1 | undecidable | manual | S | 15 | 5.994 | 149 | 0.22 | 98 |
7F.SIB3.EHZ. | 2023-04-22T22:51:27.17 | 0.1 | undecidable | manual | S | 24 | 3.996 | 159 | -0.11 | 99 |
IV.NRCA.HHZ. | 2023-04-22T22:51:26.01 | 0.1 | undecidable | manual | P | 265 | 11.0778 | 128 | -0.01 | 100 |
7F.SIB1.EHZ. | 2023-04-22T22:51:25.67 | 0.3 | undecidable | manual | P | 15 | 5.994 | 149 | 0.18 | 73 |
7F.SIB3.EHZ. | 2023-04-22T22:51:25.36 | 0.3 | undecidable | manual | P | 24 | 3.996 | 159 | 0.01 | 76 |
IV.MMO1.EHZ. | 2023-04-22T22:51:25.79 | 0.1 | undecidable | manual | P | 45 | 8.88 | 136 | 0.03 | 100 |
7F.SIB2.EHZ. | 2023-04-22T22:51:25.58 | 0.6 | undecidable | manual | P | 39 | 6.8931 | 145 | 0.01 | 50 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MMO1.EHN. | ML:0.6 | 0.00004995 | 1.38 | AML | other | m | 2023-04-22T22:51:27.96 |
IV.MMO1.EHE. | ML:1.0 | 0.0001077 | 1.84 | AML | other | m | 2023-04-22T22:51:28.97 |
IV.NRCA.HHN. | ML:1.0 | 0.00010800000000000001 | 0.08 | AML | other | m | 2023-04-22T22:51:28.40 |
IV.NRCA.HHE. | ML:0.9 | 0.00007569999999999998 | 0.36 | AML | other | m | 2023-04-22T22:51:28.54 |