Earthquake with magnitude of ML 1.2 on date 30-07-2020 and time 20:33:08 (Italy) in region 3 km NE Bolognola (MC)

A magnitude ML 1.2 earthquake occured in region: 3 km NE Bolognola (MC), on

  • 30-07-2020 18:33:08 (UTC)
  • 30-07-2020 20:33:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0150, 13.2430 at 25 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
Bolognola MC 3 142 142
Sarnano MC 5 3264 3406
Acquacanina MC 6 121 3527
Fiastra MC 7 559 4086
Gualdo MC 10 815 4901
Amandola FM 10 3629 8530
Cessapalombo MC 11 512 9042
Montefortino FM 11 1178 10220
Ussita MC 12 444 10664
San Ginesio MC 12 3498 14162
Fiordimonte MC 13 202 14364
Camporotondo di Fiastrone MC 13 563 14927
Pievebovigliana MC 14 866 15793
Caldarola MC 14 1823 17616
Montemonaco AP 15 604 18220
Castelsantangelo sul Nera MC 15 281 18501
Comunanza AP 15 3166 21667
Penna San Giovanni MC 16 1108 22775
Sant'Angelo in Pontano MC 16 1436 24211
Visso MC 16 1107 25318
Pieve Torina MC 16 1458 26776
Monte San Martino MC 16 765 27541
Smerillo FM 17 365 27906
Belforte del Chienti MC 17 1886 29792
Ripe San Ginesio MC 18 852 30644
Muccia MC 18 915 31559
Montefalcone Appennino FM 18 424 31983
Serrapetrona MC 19 966 32949
Colmurano MC 19 1263 34212
Camerino MC 20 6974 41186
Monte Cavallo MC 20 145 41331

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km E of Foligno (57155 inhabitants)
55 Km NW of Teramo (54892 inhabitants)
70 Km NE of Terni (111501 inhabitants)
70 Km E of Perugia (166134 inhabitants)
71 Km SW of Ancona (100861 inhabitants)
75 Km N of L'Aquila (69753 inhabitants)
93 Km NW of Montesilvano (53738 inhabitants)
94 Km S of Fano (60888 inhabitants)
100 Km NW 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
Reviewed
Rev100
ML 1.2 2020-07-30
18:33:08
43.0153 13.2433 25 2020-07-30
18:39:50
Sala Sismica INGV-Roma 81495291
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-30 18:33:08 ± 0.15
Latitude 43.0153 ± 0.0045
Longitude 13.2433 ± 0.0061
Depth (km) 25 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 81495291

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 520
Semi-minor axis of confidence ellipse (meter) 389
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 83
Circular confidence region, given by single value of horizontal uncertainty (meter) 520.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 73
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 16
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) 0.20505
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 81495291
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-30 18:39:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2020-07-30T18:33:18.17 3.0 undecidable manual P -0.24 0
IV.NRCA.HHZ. 2020-07-30T18:33:18.63 0.6 undecidable manual S 208 22.755 132 -0.08 48
IV.ATCC.EHZ. 2020-07-30T18:33:18.96 3.0 positive manual P 0.02 0
IV.FDMO.HHZ. 2020-07-30T18:33:17.10 0.3 undecidable manual S 281 12.876 149 0.07 74
IV.MF5.EHZ. 2020-07-30T18:33:17.95 0.3 undecidable manual S 100 17.7711 140 0.16 71
IV.MC2.EHZ. 2020-07-30T18:33:17.19 0.1 undecidable manual S 201 12.3765 150 0.23 95
IV.GUMA.HNZ. 2020-07-30T18:33:16.66 0.3 undecidable manual S 55 9.0798 157 0.08 74
IV.CSP1.EHZ. 2020-07-30T18:33:16.54 0.1 undecidable manual S 340 9.0798 157 -0.03 100
IV.PF6.EHE. 2020-07-30T18:33:16.98 0.6 undecidable manual S 344 14.1747 147 -0.23 47
IV.MMO1.EHZ. 2020-07-30T18:33:16.86 0.3 undecidable manual S 152 14.5743 146 -0.41 68
IV.NRCA.HHZ. 2020-07-30T18:33:14.47 0.1 undecidable manual P 208 22.755 132 0.02 97
IV.MMO1.EHZ. 2020-07-30T18:33:13.44 0.1 positive manual P 152 14.5743 146 -0.18 96
IV.MC2.EHZ. 2020-07-30T18:33:13.59 0.3 positive manual P 201 12.3765 150 0.16 72
IV.FDMO.HHZ. 2020-07-30T18:33:13.60 0.6 positive manual P 281 12.876 149 0.12 48
IV.GUMA.HNZ. 2020-07-30T18:33:13.20 0.1 undecidable manual P 55 9.0798 157 -0.01 100
IV.CSP1.EHZ. 2020-07-30T18:33:13.22 0.1 undecidable manual P 340 9.0798 157 0.01 100
IV.MF5.EHZ. 2020-07-30T18:33:13.95 0.1 undecidable manual P 100 17.7711 140 0.03 98
IV.PF6.EHE. 2020-07-30T18:33:13.53 0.1 undecidable manual P 344 14.1747 147 -0.05 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:1.2 0.00009355 0.22 AML other m 2020-07-30T18:33:17.33
IV.FDMO.HHN. ML:1.1 0.00007235 0.28 AML other m 2020-07-30T18:33:17.49
IV.NRCA.HHE. ML:1.4 0.00011599999999999999 0.08 AML other m 2020-07-30T18:33:18.97
IV.NRCA.HHN. ML:1.3 0.00009104999999999999 1.6 AML other m 2020-07-30T18:33:19.92
IV.CSP1.EHE. ML:1.2 0.000087125855 0.3712 AML other m 2020-07-30T18:33:16.91
IV.CSP1.EHN. ML:1.2 0.000086502195 0.32 AML other m 2020-07-30T18:33:16.79
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