A magnitude ML 0.8 earthquake occured in region: 8 km SE Castelsantangelo sul Nera (MC), on
and geographic coordinates (lat, lon) 42.8240, 13.1880 at 13 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 |
---|---|---|---|---|
Castelsantangelo sul Nera | MC | 8 | 281 | 281 |
Norcia | PG | 8 | 4957 | 5238 |
Arquata del Tronto | AP | 11 | 1178 | 6416 |
Montegallo | AP | 12 | 523 | 6939 |
Preci | PG | 14 | 724 | 7663 |
Ussita | MC | 14 | 444 | 8107 |
Montemonaco | AP | 14 | 604 | 8711 |
Visso | MC | 14 | 1107 | 9818 |
Accumoli | RI | 15 | 667 | 10485 |
Montefortino | FM | 18 | 1178 | 11663 |
Cascia | PG | 18 | 3217 | 14880 |
Acquasanta Terme | AP | 19 | 2916 | 17796 |
Bolognola | MC | 19 | 142 | 17938 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2023-04-23 02:16:39 |
42.8242 | 13.1878 | 13 | 2023-04-23 02:43:13 |
Sala Sismica INGV-Roma | 116630081 |
Field | Value |
---|---|
Time (UTC) | 2023-04-23 02:16:39 ± 0.08 |
Latitude | 42.8242 ± 0.0036 |
Longitude | 13.1878 ± 0.0049 |
Depth (km) | 13 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 116630081 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 439 |
Semi-minor axis of confidence ellipse (meter) | 189 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 212 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 440.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 104 |
Number of associated phases, regardless of their use for origin computation | 25 |
Number of defining phases | 25 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.15 |
Epicentral distance of station closest to the epicenter (degree) | 0.05486 |
Epicentral distance of station farthest from the epicenter (degree) | 0.36602 |
Number of stations at which the event was observed | 16 |
Number of stations from which data was used for origin computation | 16 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.3 |
Num. used stations | 9 |
Type of magnitude | ML |
Reference to an origin | 116630081 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-04-23 02:43:13 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.GUMA.HHZ. | 2023-04-23T02:16:50.50 | 0.6 | undecidable | manual | S | 24 | 29.0487 | 96 | 0.63 | 42 |
IV.CESI.HHZ. | 2023-04-23T02:16:50.49 | 0.6 | undecidable | manual | S | 311 | 30.5472 | 95 | 0.22 | 47 |
IV.CSP1.EHZ. | 2023-04-23T02:16:50.09 | 0.6 | undecidable | manual | S | 3 | 29.748 | 96 | 0.04 | 48 |
IV.FDMO.HHZ. | 2023-04-23T02:16:48.54 | 0.6 | undecidable | manual | S | 341 | 24.9528 | 98 | -0.24 | 47 |
IV.SMA1.EHZ. | 2023-04-23T02:16:48.70 | 0.6 | undecidable | manual | S | 151 | 24.5532 | 98 | 0 | 49 |
IV.FEMA.HNE. | 2023-04-23T02:16:47.19 | 0.6 | undecidable | manual | S | 324 | 18.9699 | 104 | -0.03 | 50 |
IV.TERO.HHZ. | 2023-04-23T02:16:47.33 | 1.0 | undecidable | manual | P | 123 | 40.626 | 93 | 0.01 | 24 |
IV.MML1.EHZ. | 2023-04-23T02:16:46.77 | 0.6 | positive | manual | P | 331 | 36.6411 | 94 | 0.06 | 48 |
IV.RM33.EHZ. | 2023-04-23T02:16:46.31 | 1.0 | undecidable | manual | P | 176 | 35.0427 | 94 | -0.16 | 23 |
IV.MMO1.EHZ. | 2023-04-23T02:16:45.71 | 0.6 | undecidable | manual | S | 53 | 14.0748 | 116 | -0.27 | 48 |
IV.CSP1.EHZ. | 2023-04-23T02:16:45.59 | 0.3 | negative | manual | P | 3 | 29.748 | 96 | -0.06 | 73 |
7F.SIB1.EHE. | 2023-04-23T02:16:45.03 | 0.6 | undecidable | manual | S | 40 | 10.2786 | 129 | -0.1 | 50 |
IV.GUMA.HHZ. | 2023-04-23T02:16:45.79 | 1.0 | undecidable | manual | P | 24 | 29.0487 | 96 | 0.24 | 23 |
IV.CESI.HHZ. | 2023-04-23T02:16:45.90 | 0.6 | positive | manual | P | 311 | 30.5472 | 95 | 0.12 | 48 |
IV.MF5.EHZ. | 2023-04-23T02:16:45.95 | 1.0 | undecidable | manual | P | 50 | 28.5492 | 96 | 0.47 | 22 |
IV.NRCA.HHE. | 2023-04-23T02:16:44.42 | 0.6 | undecidable | manual | S | 280 | 6.0939 | 147 | 0.04 | 51 |
IV.FDMO.HHZ. | 2023-04-23T02:16:44.82 | 0.6 | negative | manual | P | 341 | 24.9528 | 98 | -0.1 | 48 |
IV.FEMA.HNE. | 2023-04-23T02:16:44.11 | 0.6 | undecidable | manual | P | 324 | 18.9699 | 104 | 0.09 | 49 |
IV.SMA1.EHZ. | 2023-04-23T02:16:44.90 | 0.6 | negative | manual | P | 151 | 24.5532 | 98 | 0.03 | 49 |
IT.MTCL.HGE. | 2023-04-23T02:16:44.60 | 0.1 | undecidable | manual | P | 321 | 24.2535 | 98 | -0.22 | 94 |
IV.MMO1.EHZ. | 2023-04-23T02:16:43.31 | 0.6 | undecidable | manual | P | 53 | 14.0748 | 116 | 0.01 | 50 |
IV.NRCA.HHE. | 2023-04-23T02:16:42.55 | 0.1 | undecidable | manual | P | 280 | 6.0939 | 147 | 0.17 | 99 |
7F.SIB3.EHE. | 2023-04-23T02:16:42.53 | 0.1 | undecidable | manual | P | 50 | 8.7801 | 135 | -0.1 | 99 |
7F.SIB1.EHE. | 2023-04-23T02:16:42.88 | 0.1 | undecidable | manual | P | 40 | 10.2786 | 129 | 0.07 | 100 |
7F.SIB2.EHE. | 2023-04-23T02:16:42.81 | 0.1 | undecidable | manual | P | 52 | 11.9769 | 123 | -0.22 | 97 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FDMO.HHN. | ML:0.6 | 0.000019200000000000003 | 0.24 | AML | other | m | 2023-04-23T02:16:48.86 |
IV.FDMO.HHE. | ML:0.6 | 0.0000207 | 0.22 | AML | other | m | 2023-04-23T02:16:48.74 |
IV.SMA1.EHE. | ML:0.6 | 0.00001755 | 1.16 | AML | other | m | 2023-04-23T02:16:48.92 |
IV.SMA1.EHN. | ML:0.4 | 0.0000166 | 1.16 | AML | other | m | 2023-04-23T02:16:49.78 |
IV.GUMA.HHE. | ML:1.3 | 0.00010375000000000001 | 0.26 | AML | other | m | 2023-04-23T02:16:50.64 |
IV.GUMA.HHN. | ML:1.1 | 0.00006575 | 1.3 | AML | other | m | 2023-04-23T02:16:50.07 |
IV.TERO.HHN. | ML:0.9 | 0.0000252 | 0.3 | AML | other | m | 2023-04-23T02:16:53.35 |
IV.TERO.HHE. | ML:0.8 | 0.00001865 | 0.14 | AML | other | m | 2023-04-23T02:16:53.45 |
IV.ASSB.HHN. | ML:1.1 | 0.0000278 | 0.92 | AML | other | m | 2023-04-23T02:16:58.52 |
IV.ASSB.HHE. | ML:0.9 | 0.000022150000000000003 | 0.58 | AML | other | m | 2023-04-23T02:16:58.87 |