Earthquake with magnitude of ML 1.1 on date 01-08-2020 and time 16:59:22 (Italy) in region 3 km S Castelsantangelo sul Nera (MC)

A magnitude ML 1.1 earthquake occured in region: 3 km S Castelsantangelo sul Nera (MC), on

  • 01-08-2020 14:59:22 (UTC)
  • 01-08-2020 16:59:22 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8680, 13.1620 at 12 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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 3 281 281
Ussita MC 9 444 725
Visso MC 9 1107 1832
Norcia PG 10 4957 6789
Preci PG 10 724 7513
Montemonaco AP 14 604 8117
Montegallo AP 14 523 8640
Bolognola MC 15 142 8782
Arquata del Tronto AP 15 1178 9960
Montefortino FM 17 1178 11138
Acquacanina MC 18 121 11259
Fiastra MC 19 559 11818
Sellano PG 19 1079 12897
Monte Cavallo MC 19 145 13042
Fiordimonte MC 20 202 13244

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km E of Foligno (57155 inhabitants)
50 Km W of Teramo (54892 inhabitants)
54 Km NE of Terni (111501 inhabitants)
61 Km NW of L'Aquila (69753 inhabitants)
68 Km E of Perugia (166134 inhabitants)
88 Km SW of Ancona (100861 inhabitants)
90 Km W of Montesilvano (53738 inhabitants)
97 Km W of Pescara (121014 inhabitants)
100 Km NE of Viterbo (67173 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
Reviewed
Rev100
ML 1.1 2020-08-01
14:59:22
42.8678 13.1618 12 2020-08-01
15:05:32
Sala Sismica INGV-Roma 81550111
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-01 14:59:22 ± 0.09
Latitude 42.8678 ± 0.0027
Longitude 13.1618 ± 0.0061
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 81550111

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 513
Semi-minor axis of confidence ellipse (meter) 266
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 122
Circular confidence region, given by single value of horizontal uncertainty (meter) 510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 200
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.06
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.17717
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 3
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 81550111
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-01 15:05:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CH.GIMEL.HHZ. 2020-08-01T15:01:19.78 3.0 negative manual Pg 23.870001 0
IV.CET2.HHZ. 2020-08-01T15:01:05.67 3.0 undecidable manual Sn -4 0
AC.VLO.HHZ. 2020-08-01T15:00:58.78 3.0 undecidable manual Pg 16.6 0
MN.TRI.HHZ. 2020-08-01T15:00:54.77 3.0 undecidable manual Sg 5.55 0
GU.TRAV.HHZ. 2020-08-01T15:00:44.34 3.0 negative manual Pn 8.06 0
IV.PLLN.EHZ. 2020-08-01T15:00:44.62 3.0 undecidable manual Pg 8.44 0
IV.CAGR.HHZ. 2020-08-01T15:00:43.95 3.0 undecidable manual Pn 2.12 0
IV.ECTS.HHZ. 2020-08-01T15:00:34.08 3.0 undecidable manual Pn -5.84 0
IV.MUCR.HHZ. 2020-08-01T15:00:33.73 3.0 undecidable manual Pn -3.35 0
IV.CGL.BHZ. 2020-08-01T15:00:29.84 3.0 undecidable manual Pn -2.07 0
GU.RORO.HHZ. 2020-08-01T15:00:27.98 3.0 negative manual Pn 2.96 0
IV.MILN.HHZ. 2020-08-01T15:00:21.53 3.0 positive manual Pn -3.08 0
IV.MABI.HHZ. 2020-08-01T15:00:21.16 3.0 negative manual Pn -1.68 0
IV.CET2.HHZ. 2020-08-01T15:00:19.67 3.0 positive manual Pn -3.11 0
IV.SBPO.HNZ. 2020-08-01T15:00:15.38 3.0 positive manual Pg 6.18 0
IV.LMD.HHZ. 2020-08-01T15:00:13.74 3.0 undecidable manual Sn -4.56 0
IV.CSNT.HHZ. 2020-08-01T15:00:12.82 3.0 undecidable manual Sn -2.03 0
IV.SIRI.HHZ. 2020-08-01T15:00:12.67 3.0 undecidable manual Pn -2.2 0
GU.GSCL.HHZ. 2020-08-01T15:00:03.65 3.0 negative manual Pn -0.8 0
IV.MCRV.HHZ. 2020-08-01T14:59:59.69 3.0 undecidable manual Pn -4.2 0
IV.SEI.HHZ. 2020-08-01T14:59:51.51 3.0 negative manual Pg -4.54 0
IV.PTQR.HHZ. 2020-08-01T14:59:47.99 3.0 undecidable manual S -2.92 0
IV.CAFI.HHZ. 2020-08-01T14:59:40.20 3.0 undecidable manual P -4.69 0
IV.ARVD.HHZ. 2020-08-01T14:59:35.82 3.0 undecidable manual P -3.43 0
IV.FDMO.HHZ. 2020-08-01T14:59:30.73 0.1 undecidable manual S 342 19.6692 99 0.03 97
IV.MC2.EHZ. 2020-08-01T14:59:27.48 0.3 undecidable manual S 25 5.2947 150 -0.01 75
IV.NRCA.HHZ. 2020-08-01T14:59:27.48 0.1 undecidable manual S 225 5.3946 149 -0.02 100
IV.FDMO.HHZ. 2020-08-01T14:59:27.38 0.1 undecidable manual P 342 19.6692 99 -0.05 97
IV.MC2.EHZ. 2020-08-01T14:59:25.59 0.1 undecidable manual P 25 5.2947 150 0.01 100
IV.NRCA.HHZ. 2020-08-01T14:59:25.63 0.1 undecidable manual P 225 5.3946 149 0.04 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.3 0.0002525 0.16 AML other m 2020-08-01T14:59:27.62
IV.NRCA.HHE. ML:1.2 0.00020250000000000002 0.16 AML other m 2020-08-01T14:59:27.65
IV.FDMO.HHN. ML:0.7 0.0000333 0.2 AML other m 2020-08-01T14:59:31.03
IV.FDMO.HHE. ML:0.3 0.0000155 1.64 AML other m 2020-08-01T14:59:31.89
IV.NRCA.HNE. ML:1.2 0.00021205475 0.1536 AML other m 2020-08-01T14:59:27.60
IV.NRCA.HNN. ML:1.2 0.0002250469 0.1536 AML other m 2020-08-01T14:59:27.50
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