A magnitude ML 0.6 earthquake occured in region: 6 km SE Castelsantangelo sul Nera (MC), on
and geographic coordinates (lat, lon) 42.8440, 13.1820 at 12 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 | 9 | 4957 | 5238 |
Ussita | MC | 12 | 444 | 5682 |
Preci | PG | 12 | 724 | 6406 |
Arquata del Tronto | AP | 12 | 1178 | 7584 |
Visso | MC | 12 | 1107 | 8691 |
Montegallo | AP | 12 | 523 | 9214 |
Montemonaco | AP | 14 | 604 | 9818 |
Montefortino | FM | 17 | 1178 | 10996 |
Accumoli | RI | 17 | 667 | 11663 |
Bolognola | MC | 17 | 142 | 11805 |
Cascia | PG | 20 | 3217 | 15022 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.6 | 2021-05-31 10:48:20 |
42.8437 | 13.1815 | 12 | 2021-12-29 11:12:05 |
Bollettino Sismico Italiano INGV | 91483771 |
Reviewed Rev100 |
ML 0.5 | 2021-05-31 10:48:20 |
42.8382 | 13.1798 | 12 | 2021-05-31 10:56:27 |
Sala Sismica INGV-Roma | 90658911 |
Field | Value |
---|---|
Time (UTC) | 2021-05-31 10:48:20 ± 0.05 |
Latitude | 42.8437 ± 0.0027 |
Longitude | 13.1815 ± 0.0037 |
Depth (km) | 12 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 91483771 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 318 |
Semi-minor axis of confidence ellipse (meter) | 73 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 84 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 320.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 57 |
Number of associated phases, regardless of their use for origin computation | 37 |
Number of defining phases | 21 |
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) | 0.38041 |
Number of stations at which the event was observed | 27 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 0.6 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 91483771 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-06-18 08:13:26 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 90658911 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-05-31 10:56:27 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PTCC.HHZ. | 2021-05-31T10:50:03.38 | 3.0 | undecidable | manual | Sg | 5.61 | 0 | |||
IV.HLNI.HHZ. | 2021-05-31T10:49:56.19 | 3.0 | positive | manual | Pg | 11.71 | 0 | |||
IV.ZEN8.EHZ. | 2021-05-31T10:49:47.45 | 3.0 | undecidable | manual | Sn | -4.54 | 0 | |||
IV.ERC.EHZ. | 2021-05-31T10:49:47.92 | 3.0 | undecidable | manual | Pg | 14.47 | 0 | |||
SL.KOGS.BHZ. | 2021-05-31T10:49:39.47 | 3.0 | negative | manual | Pg | 15.26 | 0 | |||
IV.QLNO.HHZ. | 2021-05-31T10:49:36.55 | 3.0 | negative | manual | Pg | 16.93 | 0 | |||
IV.TDS.HHZ. | 2021-05-31T10:49:34.19 | 3.0 | undecidable | manual | Pg | 12.86 | 0 | |||
OT.TAR1.HHZ. | 2021-05-31T10:49:30.19 | 3.0 | positive | manual | Pg | 10.74 | 0 | |||
IV.ZEN8.EHZ. | 2021-05-31T10:49:23.02 | 3.0 | undecidable | manual | Pg | 10.78 | 0 | |||
IV.SPS2.HHZ. | 2021-05-31T10:49:22.47 | 3.0 | negative | manual | Pn | -3.08 | 0 | |||
CR.STON.BHZ. | 2021-05-31T10:49:13.90 | 3.0 | undecidable | manual | Pn | 1.97 | 0 | |||
IV.MTMR.EHZ. | 2021-05-31T10:49:05.90 | 3.0 | negative | manual | Pg | 6.74 | 0 | |||
IV.TST01.HHZ. | 2021-05-31T10:49:03.51 | 3.0 | undecidable | manual | S | -2.11 | 0 | |||
IV.VENT.EHZ. | 2021-05-31T10:48:59.67 | 3.0 | positive | manual | Pg | 4.3 | 0 | |||
IV.PE3.EHZ. | 2021-05-31T10:48:54.68 | 3.0 | undecidable | manual | S | -0.78 | 0 | |||
IV.VVLD.HHZ. | 2021-05-31T10:48:38.32 | 3.0 | undecidable | manual | P | -2.8 | 0 | |||
IV.TERO.HHZ. | 2021-05-31T10:48:34.54 | 0.6 | undecidable | manual | S | 125 | 42.2244 | 92 | -0.18 | 46 |
IV.LNSS.HNZ. | 2021-05-31T10:48:31.32 | 0.6 | undecidable | manual | S | 203 | 29.0487 | 94 | 0.11 | 47 |
IV.CESI.HNZ. | 2021-05-31T10:48:31.10 | 0.6 | undecidable | manual | S | 309 | 28.749 | 94 | -0.01 | 49 |
IV.CSP1.EHZ. | 2021-05-31T10:48:30.79 | 0.6 | undecidable | manual | S | 4 | 27.5502 | 95 | -0.02 | 48 |
IV.FDMO.HHZ. | 2021-05-31T10:48:29.20 | 0.3 | undecidable | manual | S | 340 | 22.755 | 97 | -0.32 | 69 |
IV.TERO.HHZ. | 2021-05-31T10:48:28.70 | 1.0 | positive | manual | P | 125 | 42.2244 | 92 | -0.21 | 23 |
IV.RM33.EHZ. | 2021-05-31T10:48:28.28 | 1.0 | undecidable | manual | P | 176 | 37.2294 | 93 | 0.15 | 23 |
IV.MTRA.EHZ. | 2021-05-31T10:48:28.50 | 0.6 | undecidable | manual | S | 119 | 19.9689 | 99 | -0.29 | 46 |
IV.MMO1.EHZ. | 2021-05-31T10:48:27.14 | 0.6 | undecidable | manual | S | 62 | 13.3755 | 115 | 0.05 | 50 |
IV.CESI.HNZ. | 2021-05-31T10:48:27.10 | 0.1 | undecidable | manual | P | 309 | 28.749 | 94 | 0.27 | 93 |
IV.CSP1.EHZ. | 2021-05-31T10:48:26.58 | 0.6 | negative | manual | P | 4 | 27.5502 | 95 | -0.08 | 48 |
IV.LNSS.HNZ. | 2021-05-31T10:48:26.97 | 0.1 | undecidable | manual | P | 203 | 29.0487 | 94 | 0.09 | 96 |
IV.MF5.EHZ. | 2021-05-31T10:48:26.91 | 0.1 | undecidable | manual | P | 55 | 27.6501 | 95 | 0.24 | 94 |
IV.GUMA.HHZ. | 2021-05-31T10:48:26.61 | 0.1 | undecidable | manual | P | 27 | 27.3504 | 95 | 0 | 97 |
IV.MC2.EHZ. | 2021-05-31T10:48:25.96 | 0.3 | undecidable | manual | S | 5 | 7.5813 | 139 | 0.11 | 74 |
IV.FDMO.HHZ. | 2021-05-31T10:48:25.69 | 0.6 | undecidable | manual | P | 340 | 22.755 | 97 | -0.22 | 47 |
IV.NRCA.HHE. | 2021-05-31T10:48:25.32 | 0.3 | undecidable | manual | S | 258 | 5.5944 | 148 | -0.22 | 74 |
IV.MTRA.EHZ. | 2021-05-31T10:48:25.45 | 0.6 | positive | manual | P | 119 | 19.9689 | 99 | -0.04 | 49 |
IV.MMO1.EHZ. | 2021-05-31T10:48:24.44 | 0.1 | positive | manual | P | 62 | 13.3755 | 115 | -0.06 | 98 |
IV.NRCA.HHE. | 2021-05-31T10:48:23.67 | 0.1 | undecidable | manual | P | 258 | 5.5944 | 148 | 0.06 | 100 |
IV.MC2.EHZ. | 2021-05-31T10:48:23.98 | 0.6 | negative | manual | P | 5 | 7.5813 | 139 | 0.19 | 49 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MTRA.EHE. | ML:0.6 | 0.00003083183 | 0.3584 | AML | other | m | 2021-05-31T10:48:30.33 |
IV.MTRA.EHN. | ML:0.5 | 0.000021067525 | 1.6992 | AML | other | m | 2021-05-31T10:48:31.96 |