A magnitude ML 1.1 earthquake occured in region: 2 km NE Castelsantangelo sul Nera (MC), on
and geographic coordinates (lat, lon) 42.9040, 13.1730 at 7 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 | 2 | 281 | 281 |
Ussita | MC | 5 | 444 | 725 |
Visso | MC | 8 | 1107 | 1832 |
Bolognola | MC | 11 | 142 | 1974 |
Preci | PG | 11 | 724 | 2698 |
Montemonaco | AP | 13 | 604 | 3302 |
Norcia | PG | 14 | 4957 | 8259 |
Acquacanina | MC | 14 | 121 | 8380 |
Montefortino | FM | 14 | 1178 | 9558 |
Montegallo | AP | 15 | 523 | 10081 |
Fiastra | MC | 15 | 559 | 10640 |
Fiordimonte | MC | 16 | 202 | 10842 |
Amandola | FM | 17 | 3629 | 14471 |
Monte Cavallo | MC | 17 | 145 | 14616 |
Arquata del Tronto | AP | 18 | 1178 | 15794 |
Sarnano | MC | 18 | 3264 | 19058 |
Pieve Torina | MC | 19 | 1458 | 20516 |
Pievebovigliana | MC | 19 | 866 | 21382 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2021-07-30 21:39:45 |
42.9043 | 13.1733 | 7 | 2021-07-30 22:28:14 |
Sala Sismica INGV-Roma | 93417051 |
Field | Value |
---|---|
Time (UTC) | 2021-07-30 21:39:45 ± 0.14 |
Latitude | 42.9043 ± 0.0054 |
Longitude | 13.1733 ± 0.0098 |
Depth (km) | 7 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 93417051 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 728 |
Semi-minor axis of confidence ellipse (meter) | 497 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 127 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 730.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 143 |
Number of associated phases, regardless of their use for origin computation | 32 |
Number of defining phases | 23 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.31 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.47124 |
Number of stations at which the event was observed | 21 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.3 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 93417051 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-07-30 22:28:14 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CPGN.EHZ. | 2021-07-30T21:40:24.05 | 3.0 | undecidable | manual | S | 0.07 | 0 | |||
IV.RMP.HHZ. | 2021-07-30T21:40:06.79 | 3.0 | negative | manual | P | -0.16 | 0 | |||
IV.EL6.EHZ. | 2021-07-30T21:40:01.85 | 0.3 | undecidable | manual | S | 353 | 47.5191 | 50 | -0.03 | 70 |
IV.ASSB.HHZ. | 2021-07-30T21:40:00.97 | 0.3 | undecidable | manual | S | 290 | 44.5221 | 50 | -0.11 | 69 |
IV.ATVO.HHZ. | 2021-07-30T21:40:00.86 | 3.0 | positive | manual | P | 0.38 | 0 | |||
IV.PP3.EHZ. | 2021-07-30T21:39:58.22 | 3.0 | undecidable | manual | P | 0.21 | 0 | |||
IV.SSFR.HHZ. | 2021-07-30T21:39:56.42 | 3.0 | undecidable | manual | P | -1.85 | 0 | |||
IV.ARVD.HHZ. | 2021-07-30T21:39:56.62 | 3.0 | undecidable | manual | P | -2.02 | 0 | |||
IV.MF5.EHZ. | 2021-07-30T21:39:55.52 | 1.0 | undecidable | manual | S | 68 | 25.0527 | 105 | 0.68 | 20 |
IV.MML1.EHZ. | 2021-07-30T21:39:55.94 | 0.6 | undecidable | manual | S | 325 | 28.3494 | 104 | -0.03 | 48 |
IV.CING.HHZ. | 2021-07-30T21:39:55.64 | 0.6 | negative | manual | P | 2 | 52.3032 | 50 | -0.2 | 45 |
IV.GUMA.HHZ. | 2021-07-30T21:39:54.32 | 0.6 | undecidable | manual | S | 37 | 21.9669 | 108 | 0.51 | 44 |
IV.EL6.EHZ. | 2021-07-30T21:39:54.74 | 0.6 | negative | manual | P | 353 | 47.5191 | 50 | -0.36 | 43 |
IV.ASSB.HHZ. | 2021-07-30T21:39:54.30 | 0.6 | undecidable | manual | P | 290 | 44.5221 | 50 | -0.34 | 44 |
IV.TERO.HHZ. | 2021-07-30T21:39:54.63 | 3.0 | positive | manual | P | 0.2 | 0 | |||
IV.MNTT.EHZ. | 2021-07-30T21:39:54.22 | 3.0 | negative | manual | P | 0.44 | 0 | |||
IV.PF6.EHZ. | 2021-07-30T21:39:54.97 | 0.6 | undecidable | manual | S | 4 | 25.9518 | 105 | -0.18 | 47 |
IV.CSP1.EHZ. | 2021-07-30T21:39:53.32 | 0.6 | undecidable | manual | S | 7 | 20.9679 | 108 | -0.17 | 47 |
IV.FDMO.HHZ. | 2021-07-30T21:39:52.04 | 0.6 | undecidable | manual | S | 335 | 16.2726 | 113 | 0.08 | 49 |
IV.MML1.EHZ. | 2021-07-30T21:39:51.57 | 1.0 | negative | manual | P | 325 | 28.3494 | 104 | -0.11 | 24 |
IV.SMA1.EHZ. | 2021-07-30T21:39:51.98 | 3.0 | positive | manual | P | 0.48 | 0 | |||
IV.PF6.EHZ. | 2021-07-30T21:39:51.62 | 0.1 | undecidable | manual | P | 4 | 25.9518 | 105 | 0.41 | 89 |
IV.FEMA.HNZ. | 2021-07-30T21:39:51.25 | 0.6 | undecidable | manual | S | 303 | 11.877 | 120 | 0.64 | 42 |
IV.MF5.EHZ. | 2021-07-30T21:39:51.48 | 0.6 | negative | manual | P | 68 | 25.0527 | 105 | 0.44 | 44 |
IV.NRCA.HHZ. | 2021-07-30T21:39:50.16 | 0.1 | undecidable | manual | S | 211 | 9.1797 | 127 | 0.33 | 93 |
IV.GUMA.HHZ. | 2021-07-30T21:39:50.59 | 0.3 | negative | manual | P | 37 | 21.9669 | 108 | 0.16 | 71 |
IV.FDMO.HHZ. | 2021-07-30T21:39:49.33 | 0.3 | positive | manual | P | 335 | 16.2726 | 113 | -0.04 | 74 |
IV.CSP1.EHZ. | 2021-07-30T21:39:49.83 | 1.0 | undecidable | manual | P | 7 | 20.9679 | 108 | -0.42 | 22 |
IV.FEMA.HNZ. | 2021-07-30T21:39:48.88 | 0.6 | undecidable | manual | P | 303 | 11.877 | 120 | 0.29 | 47 |
IV.NRCA.HHZ. | 2021-07-30T21:39:48.14 | 0.1 | undecidable | manual | P | 211 | 9.1797 | 127 | 0 | 100 |
IV.MC2.EHZ. | 2021-07-30T21:39:47.01 | 0.6 | undecidable | manual | S | 58 | 1.4985 | 168 | -1.28 | 32 |
IV.MC2.EHZ. | 2021-07-30T21:39:46.59 | 0.1 | undecidable | manual | P | 58 | 1.4985 | 168 | -0.65 | 86 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.GUMA.HHN. | ML:1.4 | 0.0001885 | 0.26 | AML | other | m | 2021-07-30T21:39:54.51 |
IV.FDMO.HHN. | ML:0.9 | 0.0000756 | 0.46 | AML | other | m | 2021-07-30T21:39:54.74 |
IV.FDMO.HHE. | ML:0.9 | 0.00008165 | 0.62 | AML | other | m | 2021-07-30T21:39:54.54 |
IV.CSP1.EHN. | ML:1.4 | 0.000182 | 1.3 | AML | other | m | 2021-07-30T21:39:55.75 |
IV.GUMA.HNE. | ML:1.5 | 0.000216 | 1.46 | AML | other | m | 2021-07-30T21:39:55.91 |
IV.GUMA.HHE. | ML:1.5 | 0.0002235 | 1.7 | AML | other | m | 2021-07-30T21:39:56.91 |
IV.CSP1.EHE. | ML:1.2 | 0.00013175 | 1.16 | AML | other | m | 2021-07-30T21:39:56.74 |
IV.GUMA.HNN. | ML:2.3 | 0.001375 | 0.4 | AML | other | m | 2021-07-30T21:39:56.63 |
IV.MML1.EHN. | ML:0.9 | 0.00004265 | 0.14 | AML | other | m | 2021-07-30T21:39:57.72 |
IV.MML1.EHE. | ML:0.8 | 0.00002955 | 0.68 | AML | other | m | 2021-07-30T21:40:00.56 |
IV.ASSB.HHE. | ML:1.0 | 0.000028 | 0.32 | AML | other | m | 2021-07-30T21:40:01.52 |
IV.SMA1.EHN. | ML:1.0 | 0.00004355 | 0.76 | AML | other | m | 2021-07-30T21:40:03.96 |
IV.SMA1.EHE. | ML:1.0 | 0.000044399999999999995 | 0.56 | AML | other | m | 2021-07-30T21:40:04.89 |
IV.CING.HHN. | ML:0.9 | 0.000021699999999999996 | 0.12 | AML | other | m | 2021-07-30T21:40:04.76 |
IV.ASSB.HHN. | ML:0.8 | 0.0000185 | 0.62 | AML | other | m | 2021-07-30T21:40:05.67 |
IV.CING.HHE. | ML:1.0 | 0.000022850000000000003 | 1.28 | AML | other | m | 2021-07-30T21:40:06.71 |