Earthquake with magnitude of ML 0.9 on date 28-09-2020 and time 22:36:16 (Italy) in region 1 km SE Castelsantangelo sul Nera (MC)

A magnitude ML 0.9 earthquake occured in region: 1 km SE Castelsantangelo sul Nera (MC), on

  • 28-09-2020 20:36:16 (UTC)
  • 28-09-2020 22:36:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.888, 13.166 at 14 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Castelsantangelo sul Nera MC 1 281 281
Ussita MC 7 444 725
Visso MC 8 1107 1832
Preci PG 10 724 2556
Norcia PG 12 4957 7513
Bolognola MC 13 142 7655
Montemonaco AP 13 604 8259
Montegallo AP 15 523 8782
Montefortino FM 16 1178 9960
Acquacanina MC 16 121 10081
Arquata del Tronto AP 17 1178 11259
Fiastra MC 17 559 11818
Monte Cavallo MC 18 145 11963
Fiordimonte MC 18 202 12165
Amandola FM 19 3629 15794
Sellano PG 19 1079 16873
Pieve Torina MC 20 1458 18331
Sarnano MC 20 3264 21595

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km E of Foligno (57155 inhabitants)
51 Km NW of Teramo (54892 inhabitants)
56 Km NE of Terni (111501 inhabitants)
63 Km NW of L'Aquila (69753 inhabitants)
68 Km E of Perugia (166134 inhabitants)
86 Km SW of Ancona (100861 inhabitants)
91 Km W of Montesilvano (53738 inhabitants)
98 Km W of Pescara (121014 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000
ML 0.9 2020-09-28
20:36:16
42.8878 13.1658 14 2021-02-26
14:56:10
Bollettino Sismico Italiano INGV 85322001
Reviewed
Rev100
ML 1.0 2020-09-28
20:36:16
42.8838 13.1567 14 2020-09-28
21:32:08
Sala Sismica INGV-Roma 83343711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-28 20:36:16 ± 0.06
Latitude 42.8878 ± 0.0027
Longitude 13.1658 ± 0.0037
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 85322001

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 297
Semi-minor axis of confidence ellipse (meter) 219
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 231
Circular confidence region, given by single value of horizontal uncertainty (meter) 300
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 76
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 25
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
Epicentral distance of station farthest from the epicenter (degree) 0.3948
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 85322001
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-12-09 18:32:54

ML:1

Field Value
Value 1
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 83343711
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-28 21:32:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
XK.GIZZ.HHZ. 2020-09-28T20:37:29.50 3.0 undecidable manual Sn -9.99 0
IV.BRSN.EHZ. 2020-09-28T20:37:25.12 3.0 undecidable manual Sg 18.280001 0
GU.GSCL.HHZ. 2020-09-28T20:37:22.33 3.0 undecidable manual Sn 2.18 0
GU.TRAV.HHZ. 2020-09-28T20:37:13.61 3.0 undecidable manual Pn 1.62 0
IV.FIR.HHZ. 2020-09-28T20:37:09.46 3.0 undecidable manual Sn 5.33 0
IV.ECTS.HHZ. 2020-09-28T20:37:04.22 3.0 negative manual Pn 1.78 0
IV.MCRV.HHZ. 2020-09-28T20:36:49.12 3.0 undecidable manual Sn -9.99 0
IV.MMUR.HNZ. 2020-09-28T20:36:48.62 3.0 undecidable manual Sn 0.46 0
IV.SACS.HHZ. 2020-09-28T20:36:45.92 3.0 undecidable manual Sn -0.07 0
IV.SGG.HNZ. 2020-09-28T20:36:45.41 3.0 undecidable manual Sg 0.18 0
IV.SAMA.EHZ. 2020-09-28T20:36:37.86 3.0 undecidable manual Sn -0.21 0
IV.PAOL.HHZ. 2020-09-28T20:36:28.43 3.0 undecidable manual Pg 2.23 0
IV.LNSS.HNZ. 2020-09-28T20:36:27.94 0.3 undecidable manual S 198 0.2995 99 0.41 66
IV.SMA1.EHN. 2020-09-28T20:36:27.12 0.1 undecidable manual S 154 0.286 100 0 97
IV.GAVE.EHN. 2020-09-28T20:36:27.15 0.3 undecidable manual S 226 0.2788 100 0.22 70
IV.MML1.HNE. 2020-09-28T20:36:26.76 0.3 undecidable manual S 328 0.2662 101 0.19 71
IV.T1299.HNZ. 2020-09-28T20:36:26.82 0.6 undecidable manual S 161 0.2671 101 0.23 46
IV.CESI.HHZ. 2020-09-28T20:36:25.35 0.3 undecidable manual S 302 0.2239 105 0.01 74
IV.CSP1.EHZ. 2020-09-28T20:36:24.80 0.1 undecidable manual S 8 0.2059 107 -0.02 99
IV.CAMP.HHE. 2020-09-28T20:36:24.05 0.1 undecidable manual P 153 0.3948 96 -0.27 91
IV.SGG.HNZ. 2020-09-28T20:36:23.35 3.0 undecidable manual Pg 0.36 0
IT.MTCL.HGZ. 2020-09-28T20:36:23.37 0.6 undecidable manual S 311 0.1619 115 -0.22 47
IV.FDMO.HHZ. 2020-09-28T20:36:23.32 0.6 undecidable manual S 339 0.1592 115 -0.21 48
IV.MNTT.EHZ. 2020-09-28T20:36:23.28 3.0 positive manual Pg 1.56 0
IV.CESX.HHZ. 2020-09-28T20:36:22.17 3.0 positive manual Pg 2.64 0
IV.GAVE.EHN. 2020-09-28T20:36:22.34 0.3 undecidable manual P 226 0.2788 100 -0.02 73
IV.MMO1.EHZ. 2020-09-28T20:36:22.53 0.1 undecidable manual S 84 0.1187 127 0.04 100
IV.LNSS.HNZ. 2020-09-28T20:36:22.52 0.1 undecidable manual P 198 0.2995 99 -0.18 94
IV.MML1.HNE. 2020-09-28T20:36:22.18 0.1 undecidable manual P 328 0.2662 101 0.03 97
IV.T1299.HNZ. 2020-09-28T20:36:22.20 1.0 undecidable manual P 161 0.2671 101 0.04 24
IV.SMA1.EHN. 2020-09-28T20:36:22.36 0.1 undecidable manual P 154 0.286 100 -0.12 96
IV.NRCA.HHZ. 2020-09-28T20:36:21.06 0.6 undecidable manual S 215 0.0665 147 -0.36 47
IV.CSP1.EHZ. 2020-09-28T20:36:21.20 0.1 undecidable manual P 8 0.2059 107 0.06 97
IV.CESI.HHZ. 2020-09-28T20:36:21.47 0.1 undecidable manual P 302 0.2239 105 0.02 98
IV.MC2.EHN. 2020-09-28T20:36:21.17 0.3 undecidable manual S 36 0.0288 165 0.2 75
IT.MTCL.HGZ. 2020-09-28T20:36:20.36 0.1 undecidable manual P 311 0.1619 115 -0.08 98
IV.FDMO.HHZ. 2020-09-28T20:36:20.36 0.1 undecidable manual P 339 0.1592 115 -0.04 99
IV.MC2.EHN. 2020-09-28T20:36:19.09 0.1 undecidable manual P 36 0.0288 165 0.17 99
IV.NRCA.HHZ. 2020-09-28T20:36:19.11 0.1 positive manual P 215 0.0665 147 -0.07 100
IV.MMO1.EHZ. 2020-09-28T20:36:19.84 0.1 undecidable manual P 84 0.1187 127 0.04 100
IV.PTQR.HHZ. 2020-09-28T20:36:15.85 3.0 negative manual P -1.87 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.4 0.0002725 0.14 AML other m 2020-09-28T20:36:21.18
IV.NRCA.HHE. ML:1.2 0.0001765 1.32 AML other m 2020-09-28T20:36:21.21
IV.FDMO.HHN. ML:0.7 3.975E-5 0.28 AML other m 2020-09-28T20:36:23.64
IV.NRCA.HNE. ML:1.1 0.00013471555 0.128 AML other m 2020-09-28T20:36:21.38
IV.FDMO.HHE. ML:0.7 4.2228805E-5 0.2304 AML other m 2020-09-28T20:36:23.42
IV.CSP1.EHE. ML:0.9 4.795063E-5 0.1536 AML other m 2020-09-28T20:36:25.32
IV.CESI.HHN. ML:0.6 2.23472075E-5 0.1792 AML other m 2020-09-28T20:36:25.80
IV.CESI.HHE. ML:0.4 1.361011E-5 0.1152 AML other m 2020-09-28T20:36:26.05
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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