A magnitude ML 1.6 earthquake occured in region: 7 km E Castelsantangelo sul Nera (MC), on
and geographic coordinates (lat, lon) 42.8680, 13.2260 at 9 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 | 7 | 281 | 281 |
Montemonaco | AP | 9 | 604 | 885 |
Montegallo | AP | 9 | 523 | 1408 |
Ussita | MC | 11 | 444 | 1852 |
Arquata del Tronto | AP | 12 | 1178 | 3030 |
Montefortino | FM | 13 | 1178 | 4208 |
Visso | MC | 13 | 1107 | 5315 |
Norcia | PG | 14 | 4957 | 10272 |
Bolognola | MC | 14 | 142 | 10414 |
Preci | PG | 15 | 724 | 11138 |
Amandola | FM | 16 | 3629 | 14767 |
Comunanza | AP | 18 | 3166 | 17933 |
Acquacanina | MC | 19 | 121 | 18054 |
Acquasanta Terme | AP | 19 | 2916 | 20970 |
Palmiano | AP | 19 | 196 | 21166 |
Accumoli | RI | 19 | 667 | 21833 |
Fiastra | MC | 20 | 559 | 22392 |
Sarnano | MC | 20 | 3264 | 25656 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.6 | 2021-01-22 23:52:55 |
42.8685 | 13.2262 | 9 | 2021-07-12 16:54:57 |
Bollettino Sismico Italiano INGV | 86813221 |
Reviewed Rev100 |
ML 1.6 | 2021-01-22 23:52:55 |
42.8753 | 13.2317 | 9 | 2021-01-22 23:59:22 |
Sala Sismica INGV-Roma | 86473721 |
Field | Value |
---|---|
Time (UTC) | 2021-01-22 23:52:55 ± 0.07 |
Latitude | 42.8685 ± 0.0036 |
Longitude | 13.2262 ± 0.0061 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 86813221 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 386 |
Semi-minor axis of confidence ellipse (meter) | 327 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 56 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 390.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 64 |
Number of associated phases, regardless of their use for origin computation | 26 |
Number of defining phases | 26 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.27 |
Epicentral distance of station closest to the epicenter (degree) | 0.08004 |
Epicentral distance of station farthest from the epicenter (degree) | 0.66280 |
Number of stations at which the event was observed | 16 |
Number of stations from which data was used for origin computation | 16 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.3 |
Num. used stations | 26 |
Type of magnitude | ML |
Reference to an origin | 86813221 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-02-03 17:45:40 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.1 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 86473721 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-01-22 23:59:22 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ASSB.HHZ. | 2021-01-22T23:53:12.30 | 0.6 | undecidable | manual | S | 293 | 49.9167 | 50 | 0.48 | 43 |
IV.ARVD.HHZ. | 2021-01-22T23:53:08.56 | 0.3 | undecidable | manual | P | 342 | 73.5708 | 50 | -0.01 | 67 |
IV.LNSS.HHZ. | 2021-01-22T23:53:07.64 | 0.3 | undecidable | manual | S | 207 | 33.1446 | 50 | 0.32 | 68 |
IV.CESI.HHZ. | 2021-01-22T23:53:06.70 | 0.6 | undecidable | manual | S | 300 | 30.1476 | 106 | 0.23 | 46 |
IV.SMA1.EHZ. | 2021-01-22T23:53:05.83 | 0.3 | undecidable | manual | S | 161 | 27.8499 | 108 | 0.13 | 71 |
IV.CSP1.EHZ. | 2021-01-22T23:53:04.60 | 0.3 | undecidable | manual | S | 356 | 24.8529 | 110 | -0.11 | 72 |
IV.ASSB.HHZ. | 2021-01-22T23:53:04.75 | 0.1 | undecidable | manual | P | 293 | 49.9167 | 50 | -0.19 | 91 |
IV.GUMA.HNN. | 2021-01-22T23:53:04.92 | 0.3 | undecidable | manual | S | 22 | 23.2545 | 111 | 0.72 | 61 |
IV.TERO.HHZ. | 2021-01-22T23:53:03.23 | 0.3 | undecidable | manual | P | 131 | 41.1255 | 50 | -0.35 | 67 |
IV.MTRA.EHZ. | 2021-01-22T23:53:03.12 | 0.3 | undecidable | manual | S | 132 | 18.5703 | 116 | 0.41 | 68 |
IV.RM33.HNE. | 2021-01-22T23:53:03.72 | 0.3 | undecidable | manual | P | 181 | 39.9267 | 50 | 0.33 | 67 |
IV.FDMO.HHZ. | 2021-01-22T23:53:03.91 | 0.3 | undecidable | manual | S | 329 | 21.7671 | 112 | 0.19 | 71 |
IV.LNSS.HHZ. | 2021-01-22T23:53:02.10 | 0.3 | undecidable | manual | P | 207 | 33.1446 | 50 | -0.24 | 69 |
IV.CAMP.HHE. | 2021-01-22T23:53:02.99 | 0.6 | undecidable | manual | P | 158 | 39.8268 | 50 | -0.38 | 44 |
IV.MF5.EHN. | 2021-01-22T23:53:01.00 | 0.3 | undecidable | manual | P | 55 | 23.1546 | 111 | 0.49 | 67 |
IV.SMA1.EHZ. | 2021-01-22T23:53:01.17 | 0.1 | positive | manual | P | 161 | 27.8499 | 108 | -0.23 | 93 |
IV.CESI.HHZ. | 2021-01-22T23:53:01.60 | 0.1 | negative | manual | P | 300 | 30.1476 | 106 | -0.25 | 93 |
IV.FDMO.HHZ. | 2021-01-22T23:53:00.07 | 0.1 | negative | manual | P | 329 | 21.7671 | 112 | -0.19 | 95 |
IV.GUMA.HNN. | 2021-01-22T23:53:00.72 | 0.3 | undecidable | manual | P | 22 | 23.2545 | 111 | 0.17 | 71 |
IV.NRCA.HNZ. | 2021-01-22T23:53:00.35 | 0.3 | undecidable | manual | S | 247 | 9.879 | 132 | 0.18 | 73 |
IV.CSP1.EHZ. | 2021-01-22T23:53:00.47 | 0.1 | negative | manual | P | 356 | 24.8529 | 110 | -0.37 | 91 |
IV.MMO1.EHZ. | 2021-01-22T23:52:59.48 | 0.3 | undecidable | manual | S | 67 | 8.88 | 135 | -0.44 | 69 |
IV.FEMA.HNE. | 2021-01-22T23:52:59.52 | 0.3 | undecidable | manual | P | 306 | 17.6712 | 117 | 0 | 75 |
IV.MTRA.EHZ. | 2021-01-22T23:52:59.70 | 0.1 | negative | manual | P | 132 | 18.5703 | 116 | 0.02 | 99 |
IV.NRCA.HNZ. | 2021-01-22T23:52:58.17 | 0.1 | positive | manual | P | 247 | 9.879 | 132 | -0.05 | 100 |
IV.MMO1.EHZ. | 2021-01-22T23:52:57.94 | 0.1 | negative | manual | P | 67 | 8.88 | 135 | -0.13 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:2.4 | 0.0038799999999999998 | 0.12 | AML | other | m | 2021-01-22T23:53:00.51 |
IV.NRCA.HNN. | ML:2.4 | 0.003565 | 0.12 | AML | other | m | 2021-01-22T23:53:00.51 |
IV.NRCA.HHE. | ML:2.2 | 0.0020233259999999998 | 0.128 | AML | other | m | 2021-01-22T23:53:00.74 |
IV.NRCA.HNE. | ML:2.2 | 0.001985 | 0.12 | AML | other | m | 2021-01-22T23:53:00.81 |
IV.MTRA.EHE. | ML:1.6 | 0.00029823335 | 0.3072 | AML | other | m | 2021-01-22T23:53:05.51 |
IV.FDMO.HHN. | ML:1.5 | 0.0002065 | 0.18 | AML | other | m | 2021-01-22T23:53:04.13 |
IV.FDMO.HHE. | ML:1.4 | 0.0001915 | 0.34 | AML | other | m | 2021-01-22T23:53:04.41 |
IV.MTRA.EHN. | ML:1.8 | 0.0004805 | 0.3 | AML | other | m | 2021-01-22T23:53:04.91 |
IV.CESI.HHN. | ML:1.7 | 0.00025427165000000004 | 0.256 | AML | other | m | 2021-01-22T23:53:09.02 |
IV.CESI.HHE. | ML:1.5 | 0.0001575 | 0.48 | AML | other | m | 2021-01-22T23:53:08.32 |
IV.LNSS.HHN. | ML:1.7 | 0.00022361315 | 0.2176 | AML | other | m | 2021-01-22T23:53:08.22 |
IV.TERO.HHE. | ML:1.2 | 0.000051855870000000004 | 0.2688 | AML | other | m | 2021-01-22T23:53:10.36 |
IV.LNSS.HHE. | ML:1.5 | 0.00015089591 | 0.1792 | AML | other | m | 2021-01-22T23:53:09.41 |
IV.SMA1.EHN. | ML:1.4 | 0.00013303095000000002 | 0.4992 | AML | other | m | 2021-01-22T23:53:07.20 |
IV.SMA1.EHE. | ML:1.4 | 0.00014081455 | 1.024 | AML | other | m | 2021-01-22T23:53:07.07 |
IV.ASSB.HHN. | ML:1.4 | 0.00006161855500000001 | 0.2944 | AML | other | m | 2021-01-22T23:53:12.96 |
IV.ASSB.HHE. | ML:1.4 | 0.00006911998 | 0.2176 | AML | other | m | 2021-01-22T23:53:13.34 |
IV.TERO.HHN. | ML:1.3 | 0.00006854064 | 0.2304 | AML | other | m | 2021-01-22T23:53:10.11 |
IV.MTRA.HNE. | ML:1.6 | 0.00032151375 | 0.2944 | AML | other | m | 2021-01-22T23:53:05.51 |
IV.MTRA.HNN. | ML:1.8 | 0.00047281205000000004 | 0.32 | AML | other | m | 2021-01-22T23:53:04.91 |
IV.CSP1.EHE. | ML:1.7 | 0.00029831305 | 0.2944 | AML | other | m | 2021-01-22T23:53:06.42 |
IV.CSP1.EHN. | ML:1.8 | 0.00039099115000000004 | 0.32 | AML | other | m | 2021-01-22T23:53:05.71 |
IV.CESI.HNE. | ML:1.6 | 0.00020201774999999999 | 0.4096 | AML | other | m | 2021-01-22T23:53:08.33 |
IV.CESI.HNN. | ML:2.1 | 0.00056393245 | 0.3712 | AML | other | m | 2021-01-22T23:53:07.32 |
IV.LNSS.HNN. | ML:1.7 | 0.00022254730000000002 | 0.2176 | AML | other | m | 2021-01-22T23:53:08.22 |
IV.LNSS.HNE. | ML:1.6 | 0.00015535230849999997 | 0.1664 | AML | other | m | 2021-01-22T23:53:09.42 |