Earthquake with magnitude of ML 0.8 on date 08-03-2021 and time 09:59:38 (UTC) in region 3 km W Bolognola (MC)

A magnitude ML 0.8 earthquake occured in region: 3 km W Bolognola (MC), on

  • 08-03-2021 09:59:38 (UTC)
  • 08-03-2021 10:59:38 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9840, 13.1920 at 10 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
Acquacanina MC 5 121 263
Ussita MC 6 444 707
Fiastra MC 7 559 1266
Fiordimonte MC 10 202 1468
Visso MC 10 1107 2575
Castelsantangelo sul Nera MC 10 281 2856
Sarnano MC 11 3264 6120
Pievebovigliana MC 12 866 6986
Montefortino FM 13 1178 8164
Pieve Torina MC 13 1458 9622
Amandola FM 13 3629 13251
Montemonaco AP 15 604 13855
Cessapalombo MC 15 512 14367
Gualdo MC 15 815 15182
Monte Cavallo MC 16 145 15327
Muccia MC 16 915 16242
Preci PG 17 724 16966
San Ginesio MC 17 3498 20464
Caldarola MC 18 1823 22287
Camporotondo di Fiastrone MC 18 563 22850
Comunanza AP 18 3166 26016
Montegallo AP 20 523 26539
Camerino MC 20 6974 33513

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km E of Foligno (57155 inhabitants)
55 Km NW of Teramo (54892 inhabitants)
65 Km NE of Terni (111501 inhabitants)
67 Km E of Perugia (166134 inhabitants)
72 Km N of L'Aquila (69753 inhabitants)
75 Km SW of Ancona (100861 inhabitants)
94 Km NW of Montesilvano (53738 inhabitants)
97 Km S of Fano (60888 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 0.8 2021-03-08
09:59:38
42.9845 13.1923 10 2021-03-08
10:11:07
Sala Sismica INGV-Roma 87901031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-08 09:59:38 ± 0.14
Latitude 42.9845 ± 0.0027
Longitude 13.1923 ± 0.0037
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 87901031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 310
Semi-minor axis of confidence ellipse (meter) 31
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 203
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.21134
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 87901031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-08 10:11:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATPI.EHZ. 2021-03-08T10:00:03.00 3.0 undecidable manual S 0.36 0
IV.PE3.EHZ. 2021-03-08T09:59:52.88 3.0 undecidable manual P -0.07 0
IV.CESI.HHZ. 2021-03-08T09:59:46.96 0.3 undecidable manual S 276 23.4543 113 0.05 74
IV.MF5.EHZ. 2021-03-08T09:59:46.66 0.3 undecidable manual S 89 21.6672 114 0.31 70
IV.MML1.HNZ. 2021-03-08T09:59:46.71 0.3 undecidable manual S 309 22.8549 113 -0.02 74
IV.NRCA.HHZ. 2021-03-08T09:59:45.06 0.3 undecidable manual S 201 17.871 119 -0.11 73
IV.GUMA.HHZ. 2021-03-08T09:59:44.24 0.3 undecidable manual S 53 14.4744 124 0.09 74
IV.CSP1.EHZ. 2021-03-08T09:59:43.26 0.3 undecidable manual S 5 11.9769 129 -0.19 73
IV.MML1.HNZ. 2021-03-08T09:59:43.02 0.3 undecidable manual P 309 22.8549 113 -0.06 74
IV.MMO1.EHZ. 2021-03-08T09:59:43.64 0.3 undecidable manual S 131 14.4744 124 -0.5 68
IV.CESI.HHZ. 2021-03-08T09:59:43.25 0.3 negative manual P 276 23.4543 113 0.07 73
IV.NRCA.HHZ. 2021-03-08T09:59:42.17 0.1 positive manual P 201 17.871 119 -0.01 100
IV.MF5.EHZ. 2021-03-08T09:59:42.89 0.6 positive manual P 89 21.6672 114 0.03 49
IV.MC2.EHZ. 2021-03-08T09:59:42.82 0.3 undecidable manual S 182 8.0808 140 0.32 72
IV.FDMO.HHZ. 2021-03-08T09:59:42.97 0.3 undecidable manual S 304 10.2786 134 -0.05 75
IV.GUMA.HHZ. 2021-03-08T09:59:41.64 0.3 undecidable manual P 53 14.4744 124 0.05 75
IV.FDMO.HHZ. 2021-03-08T09:59:41.01 0.3 undecidable manual P 304 10.2786 134 0.08 75
IV.CSP1.EHZ. 2021-03-08T09:59:41.11 0.3 undecidable manual P 5 11.9769 129 -0.08 75
IV.MMO1.EHZ. 2021-03-08T09:59:41.39 0.6 positive manual P 131 14.4744 124 -0.19 48
IV.MC2.EHZ. 2021-03-08T09:59:40.84 0.6 undecidable manual P 182 8.0808 140 0.2 49
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.8 0.0000797 0.18 AML other m 2021-03-08T09:59:43.16
IV.FDMO.HHN. ML:0.7 0.000059749999999999995 0.44 AML other m 2021-03-08T09:59:43.34
IV.NRCA.HHE. ML:0.6 0.000029049999999999998 0.64 AML other m 2021-03-08T09:59:45.89
IV.CESI.HHE. ML:0.6 0.00002285 0.7 AML other m 2021-03-08T09:59:47.44
IV.NRCA.HHN. ML:0.6 0.00003315 0.64 AML other m 2021-03-08T09:59:47.14
IV.CESI.HHN. ML:0.7 0.000028200000000000004 0.3 AML other m 2021-03-08T09:59:47.24
IV.ATPI.EHE. ML:1.2 0.00001828 0.44 AML other m 2021-03-08T10:00:04.55
IV.ATPI.EHN. ML:1.0 0.00001285 0.46 AML other m 2021-03-08T10:00:04.46
IV.CSP1.EHE. ML:0.7 0.00005403599 0.096 AML other m 2021-03-08T09:59:43.79
IV.CSP1.EHN. ML:0.9 0.00008598225499999999 0.1408 AML other m 2021-03-08T09:59:43.33
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