A magnitude ML 1.1 earthquake occured in region: 3 km W Castel Ritaldi (PG), on
and geographic coordinates (lat, lon) 42.8340, 12.6360 at 9 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 |
---|---|---|---|---|
Castel Ritaldi | PG | 3 | 3278 | 3278 |
Giano dell'Umbria | PG | 5 | 3846 | 7124 |
Montefalco | PG | 7 | 5679 | 12803 |
Trevi | PG | 11 | 8469 | 21272 |
Gualdo Cattaneo | PG | 11 | 6155 | 27427 |
Massa Martana | PG | 11 | 3770 | 31197 |
Bevagna | PG | 11 | 5081 | 36278 |
Campello sul Clitunno | PG | 12 | 2442 | 38720 |
Spoleto | PG | 14 | 38218 | 76938 |
Foligno | PG | 15 | 57155 | 134093 |
Acquasparta | TR | 17 | 4778 | 138871 |
Collazzone | PG | 17 | 3473 | 142344 |
Spello | PG | 18 | 8645 | 150989 |
Cannara | PG | 19 | 4305 | 155294 |
Todi | PG | 19 | 16851 | 172145 |
Sant'Anatolia di Narco | PG | 20 | 564 | 172709 |
Vallo di Nera | PG | 20 | 364 | 173073 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2023-07-31 03:21:56 |
42.8338 | 12.6355 | 9 | 2023-07-31 03:32:27 |
Sala Sismica INGV-Roma | 119720421 |
Field | Value |
---|---|
Time (UTC) | 2023-07-31 03:21:56 ± 0.09 |
Latitude | 42.8338 ± 0.0054 |
Longitude | 12.6355 ± 0.0086 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 119720421 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 621 |
Semi-minor axis of confidence ellipse (meter) | 563 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 152 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 620.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 83 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 17 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.33 |
Epicentral distance of station closest to the epicenter (degree) | 0.05666 |
Epicentral distance of station farthest from the epicenter (degree) | 0.51081 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.3 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 119720421 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-07-31 03:32:27 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MMO1.EHZ. | 2023-07-31T03:22:14.45 | 0.1 | undecidable | manual | S | 82 | 56.6988 | 50 | -0.04 | 91 |
IV.CSP1.EHZ. | 2023-07-31T03:22:13.92 | 0.1 | undecidable | manual | S | 58 | 54.4011 | 50 | 0.05 | 91 |
IV.MGAB.HHZ. | 2023-07-31T03:22:10.87 | 0.1 | undecidable | manual | S | 282 | 43.4232 | 50 | -0.08 | 93 |
IV.NRCA.HHZ. | 2023-07-31T03:22:10.10 | 0.1 | undecidable | manual | S | 90 | 38.9277 | 50 | 0.35 | 88 |
IV.MML1.EHZ. | 2023-07-31T03:22:09.44 | 0.1 | undecidable | manual | S | 41 | 41.3253 | 50 | -0.94 | 71 |
IV.CSP1.EHZ. | 2023-07-31T03:22:06.43 | 0.1 | undecidable | manual | P | 58 | 54.4011 | 50 | -0.04 | 92 |
IV.MMO1.EHZ. | 2023-07-31T03:22:06.71 | 0.1 | undecidable | manual | P | 82 | 56.6988 | 50 | -0.11 | 90 |
IV.ASSB.HHZ. | 2023-07-31T03:22:05.28 | 0.1 | undecidable | manual | S | 5 | 23.2545 | 110 | 0.33 | 91 |
IV.MGAB.HHZ. | 2023-07-31T03:22:05.29 | 0.1 | undecidable | manual | P | 282 | 43.4232 | 50 | 0.51 | 84 |
IV.CESX.HHZ. | 2023-07-31T03:22:05.49 | 0.1 | undecidable | manual | S | 189 | 25.3524 | 109 | -0.15 | 94 |
IV.MML1.EHZ. | 2023-07-31T03:22:04.27 | 0.1 | undecidable | manual | P | 41 | 41.3253 | 50 | -0.19 | 91 |
IV.NRCA.HHZ. | 2023-07-31T03:22:04.59 | 0.1 | undecidable | manual | P | 90 | 38.9277 | 50 | 0.5 | 85 |
IV.ARRO.EHZ. | 2023-07-31T03:22:02.84 | 0.1 | undecidable | manual | P | 159 | 30.1476 | 106 | 0.19 | 93 |
IV.CESX.HHZ. | 2023-07-31T03:22:01.45 | 0.1 | undecidable | manual | P | 189 | 25.3524 | 109 | -0.26 | 92 |
IV.ASSB.HHZ. | 2023-07-31T03:22:01.19 | 0.1 | undecidable | manual | P | 5 | 23.2545 | 110 | -0.13 | 95 |
IV.MOMA.HHZ. | 2023-07-31T03:21:59.97 | 0.1 | undecidable | manual | S | 238 | 6.2937 | 144 | -0.09 | 99 |
IV.MOMA.HHZ. | 2023-07-31T03:21:58.47 | 0.1 | undecidable | manual | P | 238 | 6.2937 | 144 | -0.02 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MOMA.HNN. | ML:1.7 | 0.0009570000000000001 | 0.94 | AML | other | m | 2023-07-31T03:22:00.71 |
IV.MOMA.HHE. | ML:1.8 | 0.0011604999999999999 | 0.16 | AML | other | m | 2023-07-31T03:22:00.50 |
IV.MOMA.HNE. | ML:1.8 | 0.0010960000000000002 | 0.18 | AML | other | m | 2023-07-31T03:22:00.50 |
IV.MOMA.HHN. | ML:1.2 | 0.0002875 | 0.18 | AML | other | m | 2023-07-31T03:22:00.70 |
IV.ASSB.HHE. | ML:0.9 | 0.00004975 | 0.46 | AML | other | m | 2023-07-31T03:22:05.74 |
IV.ASSB.HHN. | ML:0.7 | 0.00003204999999999999 | 0.9 | AML | other | m | 2023-07-31T03:22:07.18 |
IV.CESX.HHE. | ML:1.3 | 0.0001105 | 0.24 | AML | other | m | 2023-07-31T03:22:07.52 |
IV.CESX.HHN. | ML:1.2 | 0.00009315000000000001 | 0.52 | AML | other | m | 2023-07-31T03:22:07.64 |
IV.ARRO.EHE. | ML:0.8 | 0.0000303 | 0.46 | AML | other | m | 2023-07-31T03:22:10.66 |
IV.NRCA.HHE. | ML:0.9 | 0.00003045 | 0.14 | AML | other | m | 2023-07-31T03:22:11.32 |
IV.ARRO.EHN. | ML:0.7 | 0.00002655 | 0.48 | AML | other | m | 2023-07-31T03:22:11.40 |
IV.MGAB.HHN. | ML:1.0 | 0.000036750000000000006 | 0.18 | AML | other | m | 2023-07-31T03:22:12.72 |
IV.NRCA.HHN. | ML:1.0 | 0.00003395 | 0.1 | AML | other | m | 2023-07-31T03:22:12.90 |
IV.MMO1.EHN. | ML:1.0 | 0.00002225 | 1.06 | AML | other | m | 2023-07-31T03:22:15.27 |
IV.MGAB.HHE. | ML:0.9 | 0.000027499999999999998 | 0.48 | AML | other | m | 2023-07-31T03:22:15.50 |
IV.MMO1.EHE. | ML:1.0 | 0.000022499999999999998 | 1.08 | AML | other | m | 2023-07-31T03:22:16.94 |