A magnitude ML 1.5 earthquake occured in region: 1 km NE Massa Martana (PG), on
and geographic coordinates (lat, lon) 42.7870, 12.5300 at 8 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 |
---|---|---|---|---|
Massa Martana | PG | 1 | 3770 | 3770 |
Giano dell'Umbria | PG | 7 | 3846 | 7616 |
Todi | PG | 10 | 16851 | 24467 |
Acquasparta | TR | 11 | 4778 | 29245 |
Castel Ritaldi | PG | 12 | 3278 | 32523 |
Gualdo Cattaneo | PG | 14 | 6155 | 38678 |
Collazzone | PG | 14 | 3473 | 42151 |
Montecastrilli | TR | 16 | 5022 | 47173 |
Fratta Todina | PG | 16 | 1839 | 49012 |
Montefalco | PG | 16 | 5679 | 54691 |
Monte Castello di Vibio | PG | 16 | 1567 | 56258 |
Avigliano Umbro | TR | 17 | 2558 | 58816 |
Bevagna | PG | 18 | 5081 | 63897 |
Spoleto | PG | 18 | 38218 | 102115 |
San Gemini | TR | 19 | 5018 | 107133 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.5 | 2023-12-04 11:02:23 |
42.7867 | 12.5302 | 8 | 2023-12-04 11:07:59 |
Sala Sismica INGV-Roma | 123804091 |
Field | Value |
---|---|
Time (UTC) | 2023-12-04 11:02:23 ± 0.06 |
Latitude | 42.7867 ± 0.0036 |
Longitude | 12.5302 ± 0.0049 |
Depth (km) | 8 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 123804091 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 430 |
Semi-minor axis of confidence ellipse (meter) | 312 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 62 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 430.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 125 |
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) | 0.17 |
Epicentral distance of station closest to the epicenter (degree) | 0.03417 |
Epicentral distance of station farthest from the epicenter (degree) | 0.58006 |
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 | 1.5 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 123804091 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-12-04 11:07:59 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2023-12-04T11:02:44.08 | 0.6 | undecidable | manual | S | 58 | 64.3911 | 50 | 0.45 | 42 |
IV.RM33.EHZ. | 2023-12-04T11:02:43.82 | 0.6 | undecidable | manual | S | 119 | 63.7917 | 50 | 0.36 | 43 |
IV.FDMO.HHZ. | 2023-12-04T11:02:40.64 | 0.6 | undecidable | manual | S | 58 | 53.1024 | 50 | 0.04 | 47 |
IV.LNSS.HHZ. | 2023-12-04T11:02:38.52 | 0.6 | undecidable | manual | S | 116 | 46.3203 | 50 | -0.28 | 46 |
IV.MGAB.HHZ. | 2023-12-04T11:02:36.01 | 0.6 | undecidable | manual | S | 292 | 36.741 | 50 | -0.23 | 47 |
IV.CSP1.EHZ. | 2023-12-04T11:02:35.37 | 0.6 | undecidable | manual | P | 58 | 64.3911 | 50 | 0.32 | 44 |
IV.GAVE.HNN. | 2023-12-04T11:02:34.40 | 0.6 | undecidable | manual | S | 109 | 31.4463 | 104 | -0.2 | 48 |
IV.ARRO.EHZ. | 2023-12-04T11:02:34.24 | 0.6 | undecidable | manual | S | 140 | 29.9478 | 105 | 0.14 | 48 |
IV.RM33.EHZ. | 2023-12-04T11:02:34.76 | 1.0 | negative | manual | P | 119 | 63.7917 | 50 | -0.19 | 22 |
IV.ASSB.HHZ. | 2023-12-04T11:02:33.96 | 0.6 | undecidable | manual | S | 20 | 30.2475 | 105 | -0.23 | 47 |
IV.FDMO.HHZ. | 2023-12-04T11:02:33.09 | 0.6 | undecidable | manual | P | 58 | 53.1024 | 50 | -0.21 | 46 |
IV.LNSS.HHZ. | 2023-12-04T11:02:32.03 | 0.3 | positive | manual | P | 116 | 46.3203 | 50 | -0.23 | 69 |
IV.CESX.HHZ. | 2023-12-04T11:02:30.90 | 0.3 | undecidable | manual | S | 167 | 20.2686 | 112 | -0.01 | 76 |
IV.MGAB.HHZ. | 2023-12-04T11:02:30.84 | 0.1 | undecidable | manual | P | 292 | 36.741 | 50 | 0.05 | 97 |
IV.ASSB.HHZ. | 2023-12-04T11:02:29.53 | 1.0 | undecidable | manual | P | 20 | 30.2475 | 105 | -0.07 | 24 |
IV.GAVE.HNN. | 2023-12-04T11:02:29.61 | 0.1 | undecidable | manual | P | 109 | 31.4463 | 104 | -0.22 | 95 |
IV.ARRO.EHZ. | 2023-12-04T11:02:29.66 | 1.0 | negative | manual | P | 140 | 29.9478 | 105 | 0.11 | 24 |
IV.CESX.HHZ. | 2023-12-04T11:02:27.82 | 0.6 | positive | manual | P | 167 | 20.2686 | 112 | 0.12 | 49 |
IV.MOMA.HHZ. | 2023-12-04T11:02:26.33 | 0.6 | undecidable | manual | S | 60 | 3.7962 | 155 | -0.1 | 51 |
IT.GNU.HGZ. | 2023-12-04T11:02:26.30 | 0.6 | undecidable | manual | S | 60 | 3.7962 | 155 | -0.13 | 51 |
IT.GNU.HGZ. | 2023-12-04T11:02:25.31 | 0.1 | undecidable | manual | P | 60 | 3.7962 | 155 | 0.19 | 100 |
IV.MOMA.HHZ. | 2023-12-04T11:02:25.32 | 0.1 | undecidable | manual | P | 60 | 3.7962 | 155 | 0.2 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CESX.HHN. | ML:1.6 | 0.0002965 | 0.44 | AML | other | m | 2023-12-04T11:02:31.06 |
IV.CESX.HHE. | ML:1.7 | 0.0004115 | 0.64 | AML | other | m | 2023-12-04T11:02:32.34 |
IV.ASSB.HHN. | ML:1.1 | 0.00006434999999999999 | 0.46 | AML | other | m | 2023-12-04T11:02:34.91 |
IV.ASSB.HHE. | ML:1.2 | 0.0000734 | 0.22 | AML | other | m | 2023-12-04T11:02:34.96 |
IV.ARRO.EHE. | ML:1.3 | 0.0001053 | 0.3 | AML | other | m | 2023-12-04T11:02:36.18 |
IV.ARRO.EHN. | ML:1.4 | 0.000112 | 0.18 | AML | other | m | 2023-12-04T11:02:37.02 |
IV.MGAB.HHN. | ML:1.6 | 0.000142 | 0.5 | AML | other | m | 2023-12-04T11:02:37.15 |
IV.MGAB.HHE. | ML:1.6 | 0.00014450000000000002 | 0.44 | AML | other | m | 2023-12-04T11:02:37.70 |
IV.LNSS.HHN. | ML:1.6 | 0.00010755000000000001 | 1.18 | AML | other | m | 2023-12-04T11:02:39.76 |
IV.LNSS.HHE. | ML:1.5 | 0.00009285000000000001 | 1.22 | AML | other | m | 2023-12-04T11:02:39.97 |