A magnitude ML 0.7 earthquake occured in region: 6 km SW Castelsantangelo sul Nera (MC), on
and geographic coordinates (lat, lon) 42.8470, 13.1210 at 11 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 | 6 | 281 | 281 |
Norcia | PG | 6 | 4957 | 5238 |
Preci | PG | 8 | 724 | 5962 |
Visso | MC | 10 | 1107 | 7069 |
Ussita | MC | 11 | 444 | 7513 |
Sellano | PG | 16 | 1079 | 8592 |
Arquata del Tronto | AP | 17 | 1178 | 9770 |
Cascia | PG | 17 | 3217 | 12987 |
Cerreto di Spoleto | PG | 17 | 1075 | 14062 |
Montegallo | AP | 17 | 523 | 14585 |
Montemonaco | AP | 18 | 604 | 15189 |
Bolognola | MC | 19 | 142 | 15331 |
Monte Cavallo | MC | 19 | 145 | 15476 |
Accumoli | RI | 20 | 667 | 16143 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.7 | 2021-04-18 16:36:13 |
42.8467 | 13.1208 | 11 | 2021-07-12 16:55:11 |
Bollettino Sismico Italiano INGV | 90267021 |
Field | Value |
---|---|
Time (UTC) | 2021-04-18 16:36:13 ± 0.05 |
Latitude | 42.8467 ± 0.0027 |
Longitude | 13.1208 ± 0.0037 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 90267021 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 334 |
Semi-minor axis of confidence ellipse (meter) | 319 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 81 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 330.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 80 |
Number of associated phases, regardless of their use for origin computation | 36 |
Number of defining phases | 26 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.18 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.40559 |
Number of stations at which the event was observed | 24 |
Number of stations from which data was used for origin computation | 14 |
Field | Value |
---|---|
Value | 0.7 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 90267021 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-05-19 15:32:21 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FIR.HHZ. | 2021-04-18T16:36:44.90 | 3.0 | undecidable | manual | Sg | 9.69 | 0 | |||
IV.MTRZ.HNZ. | 2021-04-18T16:36:42.38 | 3.0 | undecidable | manual | Sn | 1.08 | 0 | |||
IV.VBKN.HHZ. | 2021-04-18T16:36:38.52 | 3.0 | positive | manual | Pn | 1.23 | 0 | |||
IV.MCIV.CHZ. | 2021-04-18T16:36:36.49 | 3.0 | undecidable | manual | Sg | 6.01 | 0 | |||
IV.SFI.EHZ. | 2021-04-18T16:36:35.36 | 3.0 | undecidable | manual | Sn | 1.25 | 0 | |||
IV.TRIF.CHZ. | 2021-04-18T16:36:35.87 | 3.0 | undecidable | manual | Sn | 1.02 | 0 | |||
IV.CRTO.HHZ. | 2021-04-18T16:36:34.94 | 3.0 | negative | manual | Pn | -2.4 | 0 | |||
IV.RIBO.EHZ.01 | 2021-04-18T16:36:34.32 | 3.0 | undecidable | manual | Sn | 0.57 | 0 | |||
IV.SSP9.EHZ. | 2021-04-18T16:36:30.18 | 3.0 | undecidable | manual | Sn | -0.35 | 0 | |||
IV.MOMA.HNZ. | 2021-04-18T16:36:28.25 | 0.3 | undecidable | manual | S | 264 | 45.0216 | 50 | 0.42 | 65 |
IV.ASSB.HHN. | 2021-04-18T16:36:27.08 | 0.6 | undecidable | manual | S | 300 | 43.3233 | 50 | -0.3 | 45 |
IV.MML1.HNE. | 2021-04-18T16:36:24.35 | 0.3 | undecidable | manual | S | 338 | 31.9458 | 50 | 0.01 | 73 |
IV.CSP1.EHZ. | 2021-04-18T16:36:23.23 | 0.3 | undecidable | manual | S | 14 | 28.0497 | 50 | -0.06 | 73 |
IV.LNSS.HNZ. | 2021-04-18T16:36:22.96 | 0.3 | undecidable | manual | S | 194 | 27.8499 | 50 | -0.27 | 70 |
IV.CESI.HHZ. | 2021-04-18T16:36:22.06 | 0.3 | undecidable | manual | S | 315 | 24.8529 | 50 | -0.37 | 68 |
IV.MTRA.EHE. | 2021-04-18T16:36:22.37 | 0.6 | undecidable | manual | S | 114 | 24.5532 | 50 | 0.01 | 49 |
IV.MOMA.HNZ. | 2021-04-18T16:36:21.76 | 0.6 | undecidable | manual | P | 264 | 45.0216 | 50 | 0.08 | 47 |
IV.RMP.HHZ. | 2021-04-18T16:36:21.85 | 3.0 | undecidable | manual | P | 1.85 | 0 | |||
IV.ASSB.HHN. | 2021-04-18T16:36:21.79 | 0.6 | undecidable | manual | P | 300 | 43.3233 | 50 | 0.36 | 44 |
IV.FDMO.HHZ. | 2021-04-18T16:36:21.26 | 0.3 | undecidable | manual | S | 353 | 21.2676 | 50 | -0.21 | 71 |
IV.MMO1.EHZ. | 2021-04-18T16:36:20.22 | 0.3 | undecidable | manual | S | 71 | 17.7711 | 121 | -0.28 | 71 |
IV.MML1.HNE. | 2021-04-18T16:36:19.74 | 0.3 | undecidable | manual | P | 338 | 31.9458 | 50 | 0.07 | 72 |
IV.MF5.EHN. | 2021-04-18T16:36:19.97 | 0.1 | undecidable | manual | P | 60 | 31.6461 | 50 | 0.35 | 91 |
IV.FEMA.HNE. | 2021-04-18T16:36:19.36 | 0.6 | undecidable | manual | S | 336 | 14.0748 | 128 | -0.09 | 49 |
IV.CESI.HHZ. | 2021-04-18T16:36:18.71 | 0.3 | undecidable | manual | P | 315 | 24.8529 | 50 | 0.14 | 72 |
IV.MTRA.EHE. | 2021-04-18T16:36:18.45 | 0.1 | undecidable | manual | P | 114 | 24.5532 | 50 | -0.08 | 97 |
IV.FDMO.HHZ. | 2021-04-18T16:36:18.08 | 0.3 | undecidable | manual | P | 353 | 21.2676 | 50 | 0.06 | 73 |
IV.MC2.EHZ. | 2021-04-18T16:36:18.12 | 0.3 | undecidable | manual | S | 38 | 9.0798 | 140 | -0.07 | 75 |
IV.CSP1.EHZ. | 2021-04-18T16:36:18.98 | 0.6 | undecidable | manual | P | 14 | 28.0497 | 50 | -0.08 | 48 |
IV.GAVE.EHZ. | 2021-04-18T16:36:18.52 | 0.3 | undecidable | manual | P | 227 | 25.1526 | 50 | -0.1 | 72 |
IV.LNSS.HNZ. | 2021-04-18T16:36:18.95 | 0.3 | undecidable | manual | P | 194 | 27.8499 | 50 | -0.08 | 72 |
IV.MMO1.EHZ. | 2021-04-18T16:36:17.58 | 0.1 | positive | manual | P | 71 | 17.7711 | 121 | 0.13 | 97 |
IV.NRCA.HHZ. | 2021-04-18T16:36:16.90 | 0.1 | undecidable | manual | S | 200 | 1.4985 | 172 | -0.18 | 99 |
IV.FEMA.HNE. | 2021-04-18T16:36:16.87 | 0.3 | undecidable | manual | P | 336 | 14.0748 | 128 | 0.03 | 75 |
IV.MC2.EHZ. | 2021-04-18T16:36:16.42 | 0.3 | undecidable | manual | P | 38 | 9.0798 | 140 | 0.3 | 71 |
IV.NRCA.HHZ. | 2021-04-18T16:36:15.60 | 0.1 | undecidable | manual | P | 200 | 1.4985 | 172 | 0.12 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FDMO.HHE. | ML:0.5 | 0.000021699999999999996 | 0.28 | AML | other | m | 2021-04-18T16:36:21.61 |
IV.FDMO.HHN. | ML:0.5 | 0.00002175 | 0.24 | AML | other | m | 2021-04-18T16:36:21.75 |
IV.CESI.HHE. | ML:0.5 | 0.000020214085 | 2.0736 | AML | other | m | 2021-04-18T16:36:22.50 |
IV.CESI.HHN. | ML:0.7 | 0.000030661015 | 0.1792 | AML | other | m | 2021-04-18T16:36:22.73 |
IV.CSP1.EHE. | ML:0.9 | 0.000039555279999999996 | 0.2816 | AML | other | m | 2021-04-18T16:36:24.16 |
IV.CSP1.EHN. | ML:0.9 | 0.000045009715 | 0.4224 | AML | other | m | 2021-04-18T16:36:23.85 |