Earthquake with magnitude of ML 1.5 on date 01-06-2021 and time 22:02:20 (Italy) in region 2 km SE Bolognola (MC)

A magnitude ML 1.5 earthquake occured in region: 2 km SE Bolognola (MC), on

  • 01-06-2021 20:02:20 (UTC)
  • 01-06-2021 22:02:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9800, 13.2470 at 27 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
Bolognola MC 2 142 142
Sarnano MC 8 3264 3406
Acquacanina MC 8 121 3527
Montefortino FM 9 1178 4705
Amandola FM 9 3629 8334
Ussita MC 10 444 8778
Fiastra MC 10 559 9337
Montemonaco AP 11 604 9941
Castelsantangelo sul Nera MC 12 281 10222
Gualdo MC 12 815 11037
Visso MC 14 1107 12144
Comunanza AP 14 3166 15310
Fiordimonte MC 14 202 15512
Cessapalombo MC 15 512 16024
San Ginesio MC 16 3498 19522
Pievebovigliana MC 16 866 20388
Smerillo FM 17 365 20753
Montegallo AP 17 523 21276
Monte San Martino MC 17 765 22041
Penna San Giovanni MC 17 1108 23149
Camporotondo di Fiastrone MC 17 563 23712
Montefalcone Appennino FM 17 424 24136
Pieve Torina MC 18 1458 25594
Caldarola MC 18 1823 27417
Sant'Angelo in Pontano MC 18 1436 28853
Palmiano AP 19 196 29049

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km E of Foligno (57155 inhabitants)
52 Km NW of Teramo (54892 inhabitants)
68 Km NE of Terni (111501 inhabitants)
71 Km N of L'Aquila (69753 inhabitants)
71 Km E of Perugia (166134 inhabitants)
74 Km SW of Ancona (100861 inhabitants)
90 Km NW of Montesilvano (53738 inhabitants)
98 Km NW of Pescara (121014 inhabitants)
98 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
Bulletin
Rev1000
ML 1.5 2021-06-01
20:02:20
42.9797 13.2467 27 2021-12-29
11:12:15
Bollettino Sismico Italiano INGV 93269171
Reviewed
Rev100
ML 1.5 2021-06-01
20:02:20
42.9817 13.2525 27 2021-06-01
20:12:18
Sala Sismica INGV-Roma 90703921
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-01 20:02:20 ± 0.14
Latitude 42.9797 ± 0.0045
Longitude 13.2467 ± 0.0074
Depth (km) 27 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 93269171

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 695
Semi-minor axis of confidence ellipse (meter) 198
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 235
Circular confidence region, given by single value of horizontal uncertainty (meter) 690.0
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 28
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.08004
Epicentral distance of station farthest from the epicenter (degree) 0.44247
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 90703921
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-06-01 20:12:18

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 93269171
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-07-27 13:16:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2021-06-01T20:02:37.14 0.3 undecidable manual S 144 49.1175 112 0.59 61
IV.CING.HHZ. 2021-06-01T20:02:35.68 0.6 undecidable manual S 355 44.1225 115 0.35 44
IV.EL6.EHZ. 2021-06-01T20:02:34.97 0.3 undecidable manual S 343 40.5261 117 0.5 64
IV.CESI.HHZ. 2021-06-01T20:02:32.11 0.3 undecidable manual S 276 27.8499 129 0.48 66
IV.MTRA.EHZ. 2021-06-01T20:02:31.49 0.3 undecidable manual S 154 27.5502 129 -0.07 72
IV.MML1.HNZ. 2021-06-01T20:02:31.59 0.3 undecidable manual S 304 26.751 130 0.19 70
IV.PF6.EHZ. 2021-06-01T20:02:29.47 0.3 undecidable manual S 346 18.0708 142 -0.31 70
IV.MF5.EHZ. 2021-06-01T20:02:29.97 0.1 undecidable manual S 87 17.2716 143 0.31 92
IV.TERO.HHZ. 2021-06-01T20:02:29.60 0.1 undecidable manual P 144 49.1175 112 -0.01 93
IV.NRCA.HHZ. 2021-06-01T20:02:29.95 0.3 undecidable manual S 214 19.4694 140 -0.06 72
IV.GUMA.HHZ. 2021-06-01T20:02:29.07 0.6 undecidable manual S 38 11.6772 154 0.19 48
IV.MMO1.EHZ. 2021-06-01T20:02:28.58 0.1 undecidable manual S 144 10.9779 155 -0.22 96
IV.FDMO.HHZ. 2021-06-01T20:02:28.65 0.3 undecidable manual S 296 14.3745 149 -0.58 65
IV.EL6.EHZ. 2021-06-01T20:02:28.40 0.1 undecidable manual P 343 40.5261 117 -0.01 94
IV.MC2.EHZ. 2021-06-01T20:02:28.78 0.3 undecidable manual S 212 8.88 160 0.2 72
IV.CING.HHZ. 2021-06-01T20:02:28.80 0.1 positive manual P 355 44.1225 115 -0.11 92
IV.CSP1.EHZ. 2021-06-01T20:02:28.83 0.6 undecidable manual S 345 12.876 151 -0.2 48
IV.CESI.HHZ. 2021-06-01T20:02:26.86 0.1 undecidable manual P 276 27.8499 129 0.09 96
IV.MTRA.EHZ. 2021-06-01T20:02:26.48 0.1 negative manual P 154 27.5502 129 -0.26 92
IV.MML1.HNZ. 2021-06-01T20:02:26.63 0.1 positive manual P 304 26.751 130 -0.01 96
IV.MF5.EHZ. 2021-06-01T20:02:25.67 0.1 positive manual P 87 17.2716 143 0.04 98
IV.CSP1.EHZ. 2021-06-01T20:02:25.12 0.1 positive manual P 345 12.876 151 -0.15 97
IV.NRCA.HHZ. 2021-06-01T20:02:25.76 0.1 negative manual P 214 19.4694 140 -0.08 96
IV.GUMA.HHZ. 2021-06-01T20:02:25.14 0.1 undecidable manual P 38 11.6772 154 -0.04 99
IV.FDMO.HHZ. 2021-06-01T20:02:25.60 0.1 undecidable manual P 296 14.3745 149 0.22 95
IV.MC2.EHZ. 2021-06-01T20:02:25.04 0.1 negative manual P 212 8.88 160 0.03 100
IV.PF6.EHZ. 2021-06-01T20:02:25.42 0.1 positive manual P 346 18.0708 142 -0.28 93
IV.MMO1.EHZ. 2021-06-01T20:02:24.97 0.1 negative manual P 144 10.9779 155 -0.17 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HNN. ML:1.8 0.00021239775 0.8192 AML other m 2021-06-01T20:02:28.57
IV.CSP1.EHN. ML:1.5 0.00016768074999999998 1.9232 AML other m 2021-06-01T20:02:29.00
IV.CSP1.EHE. ML:1.5 0.0001717258 0.0768 AML other m 2021-06-01T20:02:29.13
IV.NRCA.HHN. ML:1.4 0.00010291093 0.1024 AML other m 2021-06-01T20:02:30.25
IV.NRCA.HHE. ML:1.5 0.00013305075 0.1024 AML other m 2021-06-01T20:02:30.27
IV.NRCA.HNE. ML:1.5 0.00013103835 0.1024 AML other m 2021-06-01T20:02:30.27
IV.MF5.EHN. ML:0.9 0.00003718163 0.1792 AML other m 2021-06-01T20:02:30.59
IV.MTRA.EHE. ML:1.5 0.00011218855 0.0768 AML other m 2021-06-01T20:02:31.87
IV.MTRA.HNN. ML:1.5 0.00011293273 0.2176 AML other m 2021-06-01T20:02:32.05
IV.MTRA.EHN. ML:1.5 0.000131 0.22 AML other m 2021-06-01T20:02:32.06
IV.CESI.HHE. ML:1.2 0.0000672 0.22 AML other m 2021-06-01T20:02:32.24
IV.CESI.HHN. ML:1.4 0.00010633511 0.32 AML other m 2021-06-01T20:02:32.49
IV.TERO.HNN. ML:1.8 0.000156020515 0.912 AML other m 2021-06-01T20:02:33.11
IV.NRCA.HNN. ML:1.8 0.00026869540000000003 0.512 AML other m 2021-06-01T20:02:34.82
IV.EL6.EHE. ML:1.3 0.000057227625 0.128 AML other m 2021-06-01T20:02:35.34
IV.EL6.EHN. ML:1.3 0.000056372035000000004 0.1664 AML other m 2021-06-01T20:02:35.97
IV.CESI.HNE. ML:1.4 0.000107428095 0.5888 AML other m 2021-06-01T20:02:36.15
IV.MTRA.HNE. ML:1.5 0.00013113475 0.96 AML other m 2021-06-01T20:02:37.71
IV.TERO.HHN. ML:0.8 0.000015696995 0.0896 AML other m 2021-06-01T20:02:38.93
IV.MF5.EHE. ML:0.9 0.000036920475 0.8352 AML other m 2021-06-01T20:02:40.42
IV.TERO.HHE. ML:2.0 0.00025454805 0.5632 AML other m 2021-06-01T20:02:47.40
IV.TERO.HNE. ML:1.7 0.00012033726 1.1936 AML other m 2021-06-01T20:02:51.33
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