A magnitude ML 1.0 earthquake occured in region: 4 km W Castelsantangelo sul Nera (MC), on
and geographic coordinates (lat, lon) 42.8850, 13.1120 at 8 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 |
---|---|---|---|---|
Castelsantangelo sul Nera | MC | 4 | 281 | 281 |
Visso | MC | 6 | 1107 | 1388 |
Preci | PG | 6 | 724 | 2112 |
Ussita | MC | 7 | 444 | 2556 |
Norcia | PG | 10 | 4957 | 7513 |
Sellano | PG | 15 | 1079 | 8592 |
Monte Cavallo | MC | 15 | 145 | 8737 |
Bolognola | MC | 15 | 142 | 8879 |
Acquacanina | MC | 17 | 121 | 9000 |
Fiordimonte | MC | 17 | 202 | 9202 |
Fiastra | MC | 17 | 559 | 9761 |
Cerreto di Spoleto | PG | 18 | 1075 | 10836 |
Montemonaco | AP | 18 | 604 | 11440 |
Pieve Torina | MC | 19 | 1458 | 12898 |
Montegallo | AP | 19 | 523 | 13421 |
Arquata del Tronto | AP | 20 | 1178 | 14599 |
Montefortino | FM | 20 | 1178 | 15777 |
Pievebovigliana | MC | 20 | 866 | 16643 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.0 | 2021-04-18 07:26:18 |
42.8852 | 13.1125 | 8 | 2021-07-12 16:55:11 |
Bollettino Sismico Italiano INGV | 90090421 |
Reviewed Rev100 |
ML 0.9 | 2021-04-18 07:26:19 |
42.8862 | 13.1128 | 8 | 2021-04-18 07:35:39 |
Sala Sismica INGV-Roma | 89204901 |
Field | Value |
---|---|
Time (UTC) | 2021-04-18 07:26:18 ± 0.04 |
Latitude | 42.8852 ± 0.0018 |
Longitude | 13.1125 ± 0.0025 |
Depth (km) | 8 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 90090421 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 219 |
Semi-minor axis of confidence ellipse (meter) | 36 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 257 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 220.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 53 |
Number of associated phases, regardless of their use for origin computation | 43 |
Number of defining phases | 32 |
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) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.44606 |
Number of stations at which the event was observed | 28 |
Number of stations from which data was used for origin computation | 17 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 90090421 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-05-14 12:27:06 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.3 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 89204901 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-18 07:35:39 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MILN.HNZ. | 2021-04-18T07:28:06.49 | 3.0 | undecidable | manual | Sg | 8.81 | 0 | |||
IV.CADC.EHZ. | 2021-04-18T07:27:55.15 | 3.0 | undecidable | manual | Sg | 7.63 | 0 | |||
IV.ZEN8.EHZ. | 2021-04-18T07:27:51.64 | 3.0 | undecidable | manual | Sg | 5.57 | 0 | |||
IV.AGLI.HHZ. | 2021-04-18T07:27:35.92 | 3.0 | undecidable | manual | Sn | -2.84 | 0 | |||
AC.VLO.HHZ. | 2021-04-18T07:27:35.29 | 3.0 | undecidable | manual | Pn | 0.75 | 0 | |||
IV.TEOL.HHZ. | 2021-04-18T07:27:33.94 | 3.0 | undecidable | manual | Sg | 0.11 | 0 | |||
IV.ZONE.HHZ. | 2021-04-18T07:27:05.22 | 3.0 | negative | manual | Pn | -4.58 | 0 | |||
IV.RIBO.EHZ.01 | 2021-04-18T07:26:53.04 | 3.0 | undecidable | manual | Sg | -2.89 | 0 | |||
IV.COLB.HHZ. | 2021-04-18T07:26:49.08 | 3.0 | positive | manual | Pg | 1.54 | 0 | |||
IV.EL6.EHE. | 2021-04-18T07:26:35.11 | 0.3 | undecidable | manual | S | 359 | 49.3173 | 50 | 0.04 | 70 |
IV.TERO.HNE. | 2021-04-18T07:26:35.26 | 0.3 | undecidable | manual | S | 126 | 49.5171 | 50 | 0.13 | 68 |
IV.LNSS.HHZ. | 2021-04-18T07:26:30.23 | 0.3 | undecidable | manual | S | 191 | 31.8459 | 105 | -0.05 | 72 |
IV.GAVE.HNZ. | 2021-04-18T07:26:29.15 | 0.1 | undecidable | manual | S | 220 | 27.8499 | 107 | 0.22 | 93 |
IV.MML1.HNE. | 2021-04-18T07:26:29.15 | 0.3 | undecidable | manual | S | 336 | 27.75 | 107 | 0.24 | 69 |
IV.PF6.EHZ. | 2021-04-18T07:26:29.04 | 0.3 | undecidable | manual | S | 13 | 28.8489 | 106 | -0.21 | 70 |
IV.MTRA.HNZ. | 2021-04-18T07:26:28.84 | 0.3 | undecidable | manual | S | 122 | 27.1506 | 107 | 0.14 | 71 |
IV.TERO.HNE. | 2021-04-18T07:26:28.33 | 0.3 | undecidable | manual | P | 126 | 49.5171 | 50 | 0.08 | 69 |
IV.PE3.EHZ. | 2021-04-18T07:26:28.99 | 3.0 | positive | manual | Pn | -5.39 | 0 | |||
IV.EL6.EHE. | 2021-04-18T07:26:28.01 | 0.3 | undecidable | manual | P | 359 | 49.3173 | 50 | -0.2 | 67 |
IV.CESI.HNE. | 2021-04-18T07:26:27.11 | 0.1 | undecidable | manual | S | 308 | 21.4674 | 111 | 0.27 | 93 |
IV.ARRO.EHZ. | 2021-04-18T07:26:27.30 | 0.6 | undecidable | manual | P | 220 | 44.2224 | 50 | -0.13 | 46 |
IV.MOMA.HNZ. | 2021-04-18T07:26:27.60 | 0.1 | undecidable | manual | P | 259 | 45.0216 | 50 | 0.04 | 94 |
IV.CSP1.EHZ. | 2021-04-18T07:26:27.96 | 0.3 | undecidable | manual | S | 18 | 24.1536 | 109 | 0.26 | 70 |
IT.MTCL.HGN. | 2021-04-18T07:26:25.03 | 0.3 | undecidable | manual | S | 323 | 15.1737 | 119 | 0.18 | 72 |
IV.MMO1.EHZ. | 2021-04-18T07:26:25.71 | 0.3 | undecidable | manual | S | 85 | 17.4714 | 115 | 0.14 | 72 |
IV.FDMO.HHZ. | 2021-04-18T07:26:25.19 | 0.3 | undecidable | manual | S | 353 | 16.872 | 116 | -0.19 | 71 |
IV.LNSS.HHZ. | 2021-04-18T07:26:25.18 | 0.3 | undecidable | manual | P | 191 | 31.8459 | 105 | -0.27 | 69 |
IV.PF6.EHZ. | 2021-04-18T07:26:24.67 | 0.3 | undecidable | manual | P | 13 | 28.8489 | 106 | -0.18 | 70 |
IV.MTRA.HNZ. | 2021-04-18T07:26:24.57 | 0.3 | undecidable | manual | P | 122 | 27.1506 | 107 | 0.03 | 73 |
IV.GAVE.HNZ. | 2021-04-18T07:26:24.55 | 0.1 | undecidable | manual | P | 220 | 27.8499 | 107 | -0.12 | 95 |
IV.MML1.HNE. | 2021-04-18T07:26:24.59 | 0.1 | undecidable | manual | P | 336 | 27.75 | 107 | -0.07 | 96 |
IV.CSP1.EHZ. | 2021-04-18T07:26:23.88 | 0.3 | undecidable | manual | P | 18 | 24.1536 | 109 | -0.08 | 72 |
IV.CESI.HNE. | 2021-04-18T07:26:23.64 | 0.3 | undecidable | manual | P | 308 | 21.4674 | 111 | 0.18 | 71 |
IV.FEMA.HNN. | 2021-04-18T07:26:23.22 | 0.1 | undecidable | manual | S | 329 | 9.9789 | 130 | -0.12 | 98 |
IT.MTCL.HGN. | 2021-04-18T07:26:22.31 | 0.3 | undecidable | manual | P | 323 | 15.1737 | 119 | 0 | 75 |
IV.NRCA.HHZ. | 2021-04-18T07:26:22.11 | 0.3 | undecidable | manual | S | 179 | 5.6943 | 145 | -0.24 | 72 |
IV.MMO1.EHZ. | 2021-04-18T07:26:22.62 | 0.3 | undecidable | manual | P | 85 | 17.4714 | 115 | -0.11 | 73 |
IV.MC2.EHZ. | 2021-04-18T07:26:22.72 | 0.1 | undecidable | manual | S | 65 | 6.8931 | 140 | 0.13 | 98 |
IV.FDMO.HHZ. | 2021-04-18T07:26:22.50 | 0.3 | undecidable | manual | P | 353 | 16.872 | 116 | -0.12 | 73 |
IV.FEMA.HNN. | 2021-04-18T07:26:21.10 | 0.3 | undecidable | manual | P | 329 | 9.9789 | 130 | -0.34 | 70 |
IV.MC2.EHZ. | 2021-04-18T07:26:21.05 | 0.1 | undecidable | manual | P | 65 | 6.8931 | 140 | 0.04 | 100 |
IV.SRES.HHZ. | 2021-04-18T07:26:21.26 | 3.0 | positive | manual | P | -0.8 | 0 | |||
IV.NRCA.HHZ. | 2021-04-18T07:26:20.94 | 0.1 | positive | manual | P | 179 | 5.6943 | 145 | 0.07 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.3 | 0.0004095 | 0.1 | AML | other | m | 2021-04-18T07:26:22.58 |
IV.NRCA.HHE. | ML:1.3 | 0.0003705 | 0.14 | AML | other | m | 2021-04-18T07:26:22.96 |
IV.FDMO.HHE. | ML:0.6 | 0.00004145 | 0.2 | AML | other | m | 2021-04-18T07:26:26.43 |
IV.FDMO.HHN. | ML:0.7 | 0.0000475 | 1.22 | AML | other | m | 2021-04-18T07:26:26.20 |
IV.CSP1.EHN. | ML:0.9 | 0.00005587631 | 1.7408 | AML | other | m | 2021-04-18T07:26:28.96 |
IV.CSP1.EHE. | ML:1.2 | 0.00009429127999999999 | 0.3424 | AML | other | m | 2021-04-18T07:26:28.76 |