Earthquake with magnitude of ML 0.8 on date 30-11-2020 and time 07:21:35 (Italy) in region 5 km W Arquata del Tronto (AP)

A magnitude ML 0.8 earthquake occured in region: 5 km W Arquata del Tronto (AP), on

  • 30-11-2020 06:21:35 (UTC)
  • 30-11-2020 07:21:35 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.777, 13.235 at 13 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
Arquata del Tronto AP 5 1178 1178
Accumoli RI 9 667 1845
Montegallo AP 11 523 2368
Norcia PG 12 4957 7325
Acquasanta Terme AP 14 2916 10241
Castelsantangelo sul Nera MC 15 281 10522
Montemonaco AP 16 604 11126
Amatrice RI 17 2657 13783
Cittareale RI 19 482 14265
Cascia PG 19 3217 17482
Preci PG 20 724 18206

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km W of Teramo (54892 inhabitants)
48 Km E of Foligno (57155 inhabitants)
49 Km N of L'Aquila (69753 inhabitants)
54 Km E of Terni (111501 inhabitants)
78 Km E of Perugia (166134 inhabitants)
80 Km W of Montesilvano (53738 inhabitants)
87 Km W of Pescara (121014 inhabitants)
90 Km NW of Chieti (51815 inhabitants)
96 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km S of Ancona (100861 inhabitants)
97 Km NE of Tivoli (56533 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 0.8 2020-11-30
06:21:35
42.777 13.2347 13 2021-02-26
14:56:09
Bollettino Sismico Italiano INGV 85176711
Reviewed
Rev100
ML 0.8 2020-11-30
06:21:35
42.7772 13.2357 13 2020-11-30
06:31:31
Sala Sismica INGV-Roma 85101891
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-30 06:21:35 ± 0.04
Latitude 42.7770 ± 0.0018
Longitude 13.2347 ± 0.0037
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 85176711

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 309
Semi-minor axis of confidence ellipse (meter) 57
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 244
Circular confidence region, given by single value of horizontal uncertainty (meter) 310
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 62
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.10522
Epicentral distance of station farthest from the epicenter (degree) 0.48833
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 85176711
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-12-03 14:56:40

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 85101891
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-30 06:31:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2020-11-30T06:21:47.27 0.3 undecidable manual S 356 0.3157 94 0.29 68
IV.CESI.HHZ. 2020-11-30T06:21:47.36 0.3 undecidable manual S 313 0.3318 94 -0.12 70
IV.GUMA.HNN. 2020-11-30T06:21:46.66 0.3 undecidable manual S 14 0.295 95 0.28 68
IV.TERO.HHZ. 2020-11-30T06:21:46.75 0.3 undecidable manual S 119 0.3121 94 -0.13 70
IV.MOMA.HNZ. 2020-11-30T06:21:45.09 0.3 undecidable manual P 273 0.4883 92 0.15 67
IT.MTCL.HGZ. 2020-11-30T06:21:45.53 0.6 undecidable manual S 322 0.277 95 -0.31 45
IV.FDMO.HHZ. 2020-11-30T06:21:45.74 0.3 undecidable manual S 337 0.2806 95 -0.22 69
IV.CAMP.HHE. 2020-11-30T06:21:45.53 0.6 undecidable manual S 152 0.2734 95 -0.2 47
IV.FEMA.HNZ. 2020-11-30T06:21:44.42 0.3 undecidable manual S 324 0.2293 97 -0.02 73
IV.LNSS.HNZ. 2020-11-30T06:21:44.50 0.3 undecidable manual S 219 0.2248 97 0.18 71
IV.SMA1.EHZ. 2020-11-30T06:21:42.44 0.3 undecidable manual S 153 0.1637 105 -0.1 72
IV.CESI.HHZ. 2020-11-30T06:21:42.14 0.1 undecidable manual P 313 0.3318 94 -0.13 94
IV.T1299.EHZ. 2020-11-30T06:21:42.30 0.3 undecidable manual S 166 0.1466 109 0.25 71
IV.FDMO.HHZ. 2020-11-30T06:21:41.22 0.1 undecidable manual P 337 0.2806 95 -0.18 94
IV.MF5.EHZ. 2020-11-30T06:21:41.42 0.3 undecidable manual P 38 0.2671 95 0.25 69
IV.CAMP.HHE. 2020-11-30T06:21:41.07 0.1 undecidable manual P 152 0.2734 95 -0.19 93
IV.TERO.HHZ. 2020-11-30T06:21:41.97 0.3 undecidable manual P 119 0.3121 94 0.04 71
IV.MTRA.EHZ. 2020-11-30T06:21:41.16 0.3 undecidable manual S 100 0.1205 117 -0.17 72
IV.CSP1.EHZ. 2020-11-30T06:21:41.86 0.3 undecidable manual P 356 0.3157 94 -0.13 70
IV.MMO1.HNZ. 2020-11-30T06:21:41.66 0.3 undecidable manual S 29 0.1394 111 -0.19 71
IV.GUMA.HNN. 2020-11-30T06:21:41.82 0.1 undecidable manual P 14 0.295 95 0.18 93
IV.MC2.EHZ. 2020-11-30T06:21:41.97 0.3 undecidable manual S 346 0.1385 111 0.15 73
IT.MTCL.HGZ. 2020-11-30T06:21:41.16 0.3 undecidable manual P 322 0.277 95 -0.17 70
IV.NRCA.HHZ. 2020-11-30T06:21:40.64 0.3 undecidable manual S 303 0.1052 123 -0.29 70
IV.FEMA.HNZ. 2020-11-30T06:21:40.81 0.6 undecidable manual P 324 0.2293 97 0.29 46
IV.LNSS.HNZ. 2020-11-30T06:21:40.44 0.3 undecidable manual P 219 0.2248 97 -0.01 73
IV.MMO1.HNZ. 2020-11-30T06:21:39.23 0.3 undecidable manual P 29 0.1394 111 0.2 72
IV.T1299.EHZ. 2020-11-30T06:21:39.39 0.6 undecidable manual P 166 0.1466 109 0.25 47
IV.MC2.EHZ. 2020-11-30T06:21:39.14 0.1 undecidable manual P 346 0.1385 111 0.13 97
IV.SMA1.EHZ. 2020-11-30T06:21:39.43 0.1 undecidable manual P 153 0.1637 105 0.01 99
IV.NRCA.HHZ. 2020-11-30T06:21:38.52 0.1 undecidable manual P 303 0.1052 123 0.03 100
IV.MTRA.EHZ. 2020-11-30T06:21:38.76 0.1 undecidable manual P 100 0.1205 117 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.1 0.0001160297 0.0992 AML other m 2020-11-30T06:21:40.88
IV.NRCA.HNE. ML:1 0.000112070035 0.0992 AML other m 2020-11-30T06:21:40.78
IV.MTRA.HNN. ML:0.6 4.21725155E-5 0.1408 AML other m 2020-11-30T06:21:41.20
IV.MTRA.HNE. ML:0.5 3.159029E-5 0.0896 AML other m 2020-11-30T06:21:41.27
IV.MTRA.EHE. ML:0.6 3.2806045E-5 0.1216 AML other m 2020-11-30T06:21:41.27
IV.NRCA.HHN. ML:0.9 8.69133E-5 0.0832 AML other m 2020-11-30T06:21:41.49
IV.NRCA.HNN. ML:0.9 8.27741091E-5 0.0704 AML other m 2020-11-30T06:21:41.53
IV.SMA1.EHE. ML:0.9 5.895722E-5 0.0992 AML other m 2020-11-30T06:21:42.74
IV.MTRA.EHN. ML:0.6 3.5971305E-5 0.2592 AML other m 2020-11-30T06:21:42.83
IV.SMA1.EHN. ML:0.9 5.8886155E-5 1.7984 AML other m 2020-11-30T06:21:42.09
IV.FDMO.HHN. ML:0.6 2.06283985E-5 1.84 AML other m 2020-11-30T06:21:46.08
IV.FDMO.HHE. ML:0.5 1.2999205E-5 1.7984 AML other m 2020-11-30T06:21:47.92
IV.TERO.HHN. ML:0.7 2.1859785E-5 0.08 AML other m 2020-11-30T06:21:47.24
IV.TERO.HHE. ML:0.9 2.973552E-5 0.0832 AML other m 2020-11-30T06:21:47.41
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download