Earthquake with magnitude of ML 0.9 on date 10-09-2021 and time 00:00:59 (UTC) in region 6 km SE Bolognola (MC)

A magnitude ML 0.9 earthquake occured in region: 6 km SE Bolognola (MC), on

  • 10-09-2021 00:00:59 (UTC)
  • 10-09-2021 02:00:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9480, 13.2570 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 6 142 142
Montefortino FM 7 1178 1320
Montemonaco AP 8 604 1924
Amandola FM 9 3629 5553
Ussita MC 10 444 5997
Castelsantangelo sul Nera MC 10 281 6278
Sarnano MC 11 3264 9542
Acquacanina MC 11 121 9663
Fiastra MC 13 559 10222
Comunanza AP 13 3166 13388
Montegallo AP 13 523 13911
Visso MC 14 1107 15018
Gualdo MC 15 815 15833
Smerillo FM 17 365 16198
Fiordimonte MC 17 202 16400
Montefalcone Appennino FM 17 424 16824
Palmiano AP 17 196 17020
Monte San Martino MC 18 765 17785
Cessapalombo MC 18 512 18297
Penna San Giovanni MC 18 1108 19405
San Ginesio MC 19 3498 22903
Pievebovigliana MC 19 866 23769
Force AP 19 1354 25123
Preci PG 19 724 25847
Arquata del Tronto AP 20 1178 27025
Pieve Torina MC 20 1458 28483

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km E of Foligno (57155 inhabitants)
49 Km NW of Teramo (54892 inhabitants)
66 Km NE of Terni (111501 inhabitants)
67 Km N of L'Aquila (69753 inhabitants)
73 Km E of Perugia (166134 inhabitants)
77 Km S of Ancona (100861 inhabitants)
87 Km NW of Montesilvano (53738 inhabitants)
95 Km NW of Pescara (121014 inhabitants)
100 Km NW of Chieti (51815 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 0.9 2021-09-10
00:00:59
42.9482 13.257 10 2021-09-10
00:05:59
Sala Sismica INGV-Roma 95250521
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-10 00:00:59 ± 0.05
Latitude 42.9482 ± 0.0027
Longitude 13.2570 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 95250521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 328
Semi-minor axis of confidence ellipse (meter) 276
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 47
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 67
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
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) 0.06205
Epicentral distance of station farthest from the epicenter (degree) 0.42988
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 23
Type of magnitude ML
Reference to an origin 95250521
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-10 00:05:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CING.HHZ. 2021-09-10T00:01:15.42 0.3 undecidable manual S 354 47.7189 50 0.43 66
IV.TERO.HHZ. 2021-09-10T00:01:14.45 0.3 undecidable manual S 142 45.8208 50 -0.04 72
IV.SMA1.EHZ. 2021-09-10T00:01:11.73 0.6 undecidable manual S 170 35.8419 50 -0.09 48
IV.MML1.EHZ. 2021-09-10T00:01:10.17 0.3 undecidable manual S 309 29.5482 50 0.03 74
IV.CESI.HHZ. 2021-09-10T00:01:10.41 0.6 undecidable manual S 283 29.2485 50 0.33 46
IV.TERO.HHZ. 2021-09-10T00:01:08.07 0.1 undecidable manual P 142 45.8208 50 -0.11 94
IV.CING.HHZ. 2021-09-10T00:01:08.15 0.6 positive manual P 354 47.7189 50 -0.32 45
IV.NRCA.HHZ. 2021-09-10T00:01:06.54 0.6 undecidable manual S 222 17.1717 120 0.08 50
IV.MNTT.EHZ. 2021-09-10T00:01:06.01 0.6 negative manual P 65 30.2475 50 0.23 47
IV.FDMO.HHZ. 2021-09-10T00:01:06.24 0.3 undecidable manual S 306 16.872 121 -0.13 74
IV.MF5.EHZ. 2021-09-10T00:01:06.72 0.3 undecidable manual S 75 17.0718 120 0.31 71
IV.SMA1.EHZ. 2021-09-10T00:01:06.34 0.6 positive manual P 170 35.8419 50 -0.3 46
IV.GUMA.HHZ. 2021-09-10T00:01:05.48 0.6 undecidable manual S 26 14.1747 125 -0.1 50
IV.MML1.EHZ. 2021-09-10T00:01:05.44 0.6 negative manual P 309 29.5482 50 -0.23 47
IV.CESI.HHZ. 2021-09-10T00:01:05.62 0.6 negative manual P 283 29.2485 50 -0.01 50
IV.MF5.EHZ. 2021-09-10T00:01:03.42 0.3 positive manual P 75 17.0718 120 -0.09 75
IV.CSP1.EHZ. 2021-09-10T00:01:03.14 0.1 negative manual P 345 16.4724 121 -0.28 96
IV.MC2.EHZ. 2021-09-10T00:01:03.98 0.6 undecidable manual S 234 6.8931 145 0.22 49
IV.NRCA.HHZ. 2021-09-10T00:01:03.61 0.1 positive manual P 222 17.1717 120 0.07 100
IV.FDMO.HHZ. 2021-09-10T00:01:03.34 0.6 negative manual P 306 16.872 121 -0.15 49
IV.GUMA.HHZ. 2021-09-10T00:01:02.94 0.6 undecidable manual P 26 14.1747 125 -0.09 50
IV.MC2.EHZ. 2021-09-10T00:01:02.19 0.3 positive manual P 234 6.8931 145 0.21 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GUMA.HHE. ML:1.8 0.0006879999999999999 0.26 AML other m 2021-09-10T00:01:05.69
IV.GUMA.HNE. ML:1.6 0.0004300592 0.32 AML other m 2021-09-10T00:01:05.71
IV.GUMA.HHN. ML:1.6 0.000428 0.24 AML other m 2021-09-10T00:01:05.75
IV.FDMO.HHN. ML:0.9 0.0000743 0.24 AML other m 2021-09-10T00:01:06.39
IV.GUMA.HNN. ML:1.7 0.0004563862 0.25 AML other m 2021-09-10T00:01:05.67
IV.FDMO.HHE. ML:0.7 0.00004635 0.26 AML other m 2021-09-10T00:01:06.35
IV.NRCA.HHN. ML:1.3 0.00017649999999999998 0.1 AML other m 2021-09-10T00:01:07.39
IV.NRCA.HHE. ML:1.2 0.00012827565 0.1 AML other m 2021-09-10T00:01:07.68
IV.MML1.EHN. ML:0.7 0.00002730038 0.14 AML other m 2021-09-10T00:01:10.46
IV.MML1.EHE. ML:0.6 0.000021930355 0.18 AML other m 2021-09-10T00:01:10.93
IV.CESI.HHN. ML:0.6 0.000018155981000000002 0.22 AML other m 2021-09-10T00:01:10.42
IV.CESI.HHE. ML:0.6 0.000021805860000000005 0.26 AML other m 2021-09-10T00:01:12.69
IV.CING.HHN. ML:0.6 0.000011498285 0.12 AML other m 2021-09-10T00:01:15.87
IV.CING.HHE. ML:0.6 0.000009241687 0.06 AML other m 2021-09-10T00:01:16.52
IV.CSP1.EHE. ML:0.8 0.00005371719 0.18 AML other m 2021-09-10T00:01:08.52
IV.CSP1.EHN. ML:0.7 0.000044637095 0.32 AML other m 2021-09-10T00:01:09.74
IV.MF5.EHE. ML:1.0 0.000082068895 0.2 AML other m 2021-09-10T00:01:06.79
IV.MF5.EHN. ML:0.7 0.000043291405000000004 0.12 AML other m 2021-09-10T00:01:06.82
IV.NRCA.HNE. ML:1.2 0.000120550845 0.12 AML other m 2021-09-10T00:01:07.13
IV.NRCA.HNN. ML:1.3 0.00015740125 0.09 AML other m 2021-09-10T00:01:07.44
IV.SMA1.EHE. ML:0.4 0.00001205352 0.2 AML other m 2021-09-10T00:01:12.74
IV.SMA1.EHN. ML:0.7 0.000019416275 0.2 AML other m 2021-09-10T00:01:11.94
IV.TERO.HHN. ML:0.7 0.00001695106 0.1 AML other m 2021-09-10T00:01:14.87
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