Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 23-01-2020 and time 00:26:21 (Italy) in region 6 km S Bolognola (MC)

A magnitude ML 1.6 earthquake occured in region: 6 km S Bolognola (MC), on

  • 22-01-2020 23:26:21 (UTC)
  • 23-01-2020 00:26:21 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9470, 13.2090 at 8 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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
Ussita MC 6 444 586
Castelsantangelo sul Nera MC 7 281 867
Acquacanina MC 10 121 988
Visso MC 10 1107 2095
Montefortino FM 11 1178 3273
Fiastra MC 11 559 3832
Montemonaco AP 11 604 4436
Sarnano MC 13 3264 7700
Amandola FM 13 3629 11329
Fiordimonte MC 14 202 11531
Montegallo AP 15 523 12054
Preci PG 16 724 12778
Pievebovigliana MC 16 866 13644
Comunanza AP 17 3166 16810
Pieve Torina MC 17 1458 18268
Gualdo MC 17 815 19083
Monte Cavallo MC 18 145 19228
Cessapalombo MC 19 512 19740
Norcia PG 20 4957 24697
San Ginesio MC 20 3498 28195

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km E of Foligno (57155 inhabitants)
52 Km NW of Teramo (54892 inhabitants)
63 Km NE of Terni (111501 inhabitants)
68 Km N of L'Aquila (69753 inhabitants)
69 Km E of Perugia (166134 inhabitants)
79 Km SW of Ancona (100861 inhabitants)
91 Km NW of Montesilvano (53738 inhabitants)
98 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
Bulletin
Rev1000 		ML 1.6 2020-01-22
23:26:21		 42.9468 13.2092 8 2020-07-18
21:08:21		 Bollettino Sismico Italiano INGV 76668681
Reviewed
Rev100 		ML 1.6 2020-01-22
23:26:21		 42.9447 13.2052 7 2020-01-22
23:32:32		 Sala Sismica INGV-Roma 75750881
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-22 23:26:21 ± 0.05
Latitude 42.9468 ± 0.0027
Longitude 13.2092 ± 0.0037
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 76668681

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 272
Semi-minor axis of confidence ellipse (meter) 183
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 65
Circular confidence region, given by single value of horizontal uncertainty (meter) 270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 40
Number of associated phases, regardless of their use for origin computation 74
Number of defining phases 74
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.03867
Epicentral distance of station farthest from the epicenter (degree) 0.80579
Number of stations at which the event was observed 38
Number of stations from which data was used for origin computation 38
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 45
Type of magnitude ML
Reference to an origin 76668681
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-20 10:05:34

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 48
Type of magnitude ML
Reference to an origin 75750881
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-22 23:32:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIEI.HHZ. 2020-01-22T23:26:47.73 0.3 undecidable manual S 320 85.0482 50 0.1 64
IV.FRON.EHZ. 2020-01-22T23:26:45.25 0.1 undecidable manual S 328 74.37 50 0.46 81
IV.MURB.HHZ. 2020-01-22T23:26:43.00 0.1 undecidable manual S 303 65.5899 50 0.56 79
IV.ARVD.HHZ. 2020-01-22T23:26:43.10 0.1 undecidable manual S 341 64.8906 50 0.86 70
IV.CESX.HHZ. 2020-01-22T23:26:42.07 0.3 undecidable manual S 234 63.0924 50 0.31 64
IV.SSFR.HHZ. 2020-01-22T23:26:42.88 0.1 undecidable manual S 328 64.2912 50 0.78 73
IV.GIGS.HHZ. 2020-01-22T23:26:41.87 0.1 undecidable manual S 151 62.2932 50 0.31 85
IV.MOMA.HHZ. 2020-01-22T23:26:40.21 0.1 undecidable manual S 253 54.3012 50 0.78 74
IV.FOSV.EHZ. 2020-01-22T23:26:39.29 0.1 undecidable manual S 317 53.0025 50 0.22 88
IV.ATCC.EHZ. 2020-01-22T23:26:39.66 0.1 undecidable manual S 300 53.1024 50 0.54 82
IV.RM33.EHZ. 2020-01-22T23:26:38.42 0.1 undecidable manual S 179 48.618 50 0.52 83
IV.CAMP.HHZ. 2020-01-22T23:26:37.67 0.1 undecidable manual S 160 48.4182 50 -0.18 90
IV.CING.HNZ. 2020-01-22T23:26:37.39 0.1 undecidable manual S 359 47.5191 50 -0.23 89
IV.NARO.HHZ. 2020-01-22T23:26:36.70 0.1 undecidable manual P 326 89.4438 50 -0.67 73
IV.EL6.EHZ. 2020-01-22T23:26:36.91 0.1 undecidable manual S 348 43.3233 50 0.42 86
IV.OFFI.HHZ. 2020-01-22T23:26:36.03 0.1 undecidable manual S 92 38.7279 50 0.76 77
IV.PIEI.HHZ. 2020-01-22T23:26:36.30 0.1 undecidable manual P 320 85.0482 50 -0.4 80
IV.GAVE.EHZ. 2020-01-22T23:26:35.03 0.1 undecidable manual S 222 38.1285 50 -0.08 93
IV.LNSS.HHZ. 2020-01-22T23:26:35.85 0.1 undecidable manual S 200 40.5261 50 0.09 93
IV.SNTG.HHZ. 2020-01-22T23:26:35.22 0.1 undecidable manual S 328 40.5261 50 -0.52 84
IV.SMA1.EHZ. 2020-01-22T23:26:34.32 0.1 undecidable manual S 164 36.5412 50 -0.37 88
IV.T1299.HNN. 2020-01-22T23:26:34.46 0.1 undecidable manual S 170 35.2425 103 0.18 92
IV.MNTT.EHZ. 2020-01-22T23:26:34.43 0.1 undecidable manual S 68 33.8439 103 0.6 83
IV.FRON.EHZ. 2020-01-22T23:26:34.56 0.1 undecidable manual P 328 74.37 50 -0.5 80
IV.SSFR.HHZ. 2020-01-22T23:26:33.06 0.1 undecidable manual P 328 64.2912 50 -0.44 82
IV.ARVD.HHZ. 2020-01-22T23:26:33.26 0.1 undecidable manual P 341 64.8906 50 -0.33 84
IV.MURB.HHZ. 2020-01-22T23:26:33.58 0.1 undecidable manual P 303 65.5899 50 -0.12 88
IV.CESX.HHZ. 2020-01-22T23:26:33.20 0.3 undecidable manual P 234 63.0924 50 -0.11 67
IV.GIGS.HHZ. 2020-01-22T23:26:32.74 0.1 undecidable manual P 151 62.2932 50 -0.45 83
IV.FOSV.EHZ. 2020-01-22T23:26:31.29 0.1 positive manual P 317 53.0025 50 -0.46 84
IV.MML1.HNZ. 2020-01-22T23:26:31.42 0.1 undecidable manual S 314 26.6511 106 0 97
IV.CESI.HHZ. 2020-01-22T23:26:31.53 0.1 undecidable manual S 285 25.5522 107 0.49 87
IV.ATCC.EHZ. 2020-01-22T23:26:31.53 0.1 negative manual P 300 53.1024 50 -0.25 88
IV.MOMA.HHZ. 2020-01-22T23:26:31.89 0.1 undecidable manual P 253 54.3012 50 -0.07 91
IV.MDAR.HNZ. 2020-01-22T23:26:31.41 0.3 undecidable manual S 349 27.75 106 -0.38 67
IV.RM33.EHZ. 2020-01-22T23:26:31.00 0.1 undecidable manual P 179 48.618 50 -0.08 92
IV.MTRA.EHZ. 2020-01-22T23:26:31.17 0.1 undecidable manual S 144 26.0517 107 -0.04 96
IV.OFFI.HHZ. 2020-01-22T23:26:30.20 0.1 undecidable manual P 92 38.7279 50 0.64 81
IV.SAP2.EHZ. 2020-01-22T23:26:30.48 0.1 undecidable manual S 43 22.6551 109 0.38 90
IV.CAMP.HHZ. 2020-01-22T23:26:30.45 0.1 negative manual P 160 48.4182 50 -0.6 81
IV.CING.HNZ. 2020-01-22T23:26:30.30 0.1 undecidable manual P 359 47.5191 50 -0.62 80
IV.MNTT.EHZ. 2020-01-22T23:26:29.08 0.1 undecidable manual P 68 33.8439 103 0.35 89
IV.EL6.EHZ. 2020-01-22T23:26:29.68 0.1 undecidable manual P 348 43.3233 50 -0.58 82
IV.SNTG.HHZ. 2020-01-22T23:26:29.19 0.1 negative manual P 328 40.5261 50 -0.65 80
IV.GAVE.EHZ. 2020-01-22T23:26:29.21 0.1 undecidable manual P 222 38.1285 50 -0.26 90
IV.MF5.EHZ. 2020-01-22T23:26:29.93 0.1 undecidable manual S 77 20.868 111 0.43 89
IV.LNSS.HHZ. 2020-01-22T23:26:29.65 0.1 positive manual P 200 40.5261 50 -0.19 91
IV.PF6.EHZ. 2020-01-22T23:26:29.41 0.1 undecidable manual S 357 21.2676 110 -0.21 94
IT.MTCL.HGZ. 2020-01-22T23:26:28.83 0.1 undecidable manual S 287 17.7711 114 0.31 92
IV.NRCA.HHZ. 2020-01-22T23:26:28.03 0.1 undecidable manual S 212 14.7741 118 0.46 90
IV.MNTP.HNZ. 2020-01-22T23:26:28.16 0.3 undecidable manual P 45 29.8479 105 0.2 69
IV.GUMA.HHZ. 2020-01-22T23:26:28.26 0.1 undecidable manual S 39 16.3725 116 0.17 95
IV.SMA1.EHZ. 2020-01-22T23:26:28.66 0.1 negative manual P 164 36.5412 50 -0.57 83
IV.T1299.HNN. 2020-01-22T23:26:28.76 0.1 undecidable manual P 170 35.2425 103 -0.23 91
IV.FEMA.HNZ. 2020-01-22T23:26:27.61 0.1 undecidable manual S 277 13.0758 121 0.55 87
IV.CESI.HHZ. 2020-01-22T23:26:27.06 0.1 positive manual P 285 25.5522 107 -0.06 96
IV.FDMO.HHZ. 2020-01-22T23:26:27.20 0.1 undecidable manual S 315 13.9749 119 -0.14 96
IV.CSP1.EHZ. 2020-01-22T23:26:27.69 0.1 undecidable manual S 359 16.0728 116 -0.29 93
IV.MDAR.HNZ. 2020-01-22T23:26:27.86 0.3 undecidable manual P 349 27.75 106 0.31 68
IV.MF5.EHZ. 2020-01-22T23:26:26.45 0.1 undecidable manual P 77 20.868 111 0.22 93
IV.MTRA.EHZ. 2020-01-22T23:26:26.97 0.1 undecidable manual P 144 26.0517 107 -0.25 92
IV.MMO1.EHZ. 2020-01-22T23:26:26.18 0.1 undecidable manual S 119 10.878 126 -0.26 94
IV.MML1.HNZ. 2020-01-22T23:26:26.98 0.1 undecidable manual P 314 26.6511 106 -0.36 90
IV.SAP2.EHZ. 2020-01-22T23:26:26.91 0.1 undecidable manual P 43 22.6551 109 0.33 91
IV.PF6.EHZ. 2020-01-22T23:26:25.85 0.1 undecidable manual P 357 21.2676 110 -0.45 89
IV.CSP1.EHZ. 2020-01-22T23:26:25.05 0.1 positive manual P 359 16.0728 116 -0.31 93
IT.MTCL.HGZ. 2020-01-22T23:26:25.70 0.1 undecidable manual P 287 17.7711 114 0.04 98
IV.NRCA.HHZ. 2020-01-22T23:26:25.32 0.1 undecidable manual P 212 14.7741 118 0.2 95
IV.FEMA.HNZ. 2020-01-22T23:26:25.09 0.1 undecidable manual P 277 13.0758 121 0.27 94
IV.GUMA.HHZ. 2020-01-22T23:26:25.43 0.1 positive manual P 39 16.3725 116 0.01 98
IV.FDMO.HHZ. 2020-01-22T23:26:24.80 0.1 positive manual P 315 13.9749 119 -0.19 95
IV.MMO1.EHZ. 2020-01-22T23:26:24.33 0.1 positive manual P 119 10.878 126 -0.14 97
IV.MC2.EHZ. 2020-01-22T23:26:24.73 0.1 undecidable manual S 203 4.2957 152 -0.15 97
IV.MC2.EHZ. 2020-01-22T23:26:23.59 0.1 positive manual P 203 4.2957 152 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:1.6 0.0004349168 0.2688 AML other m 2020-01-22T23:26:28.52
IV.FDMO.HHE. ML:1.4 0.00030483205 0.2176 AML other m 2020-01-22T23:26:28.55
IV.CSP1.EHE. ML:1.4 0.00024439635000000003 0.2176 AML other m 2020-01-22T23:26:28.57
IV.NRCA.HNN. ML:1.9 0.00093084235 0.128 AML other m 2020-01-22T23:26:28.67
IV.NRCA.HHN. ML:1.9 0.0009349902999999999 0.1152 AML other m 2020-01-22T23:26:28.66
IV.NRCA.HNE. ML:2.1 0.0013089595000000001 0.1408 AML other m 2020-01-22T23:26:28.79
IV.NRCA.HHE. ML:2.1 0.0014329009999999999 0.128 AML other m 2020-01-22T23:26:28.79
IV.GUMA.HHN. ML:1.8 0.0006816071999999999 0.4992 AML other m 2020-01-22T23:26:28.84
IV.GUMA.HNN. ML:1.9 0.0008413832999999999 0.5248 AML other m 2020-01-22T23:26:28.84
IV.MF5.EHE. ML:1.8 0.00043059345 0.3072 AML other m 2020-01-22T23:26:30.62
IV.MF5.EHN. ML:1.5 0.00025534855 0.2048 AML other m 2020-01-22T23:26:30.67
IV.MTRA.EHN. ML:1.7 0.0002714447 0.2688 AML other m 2020-01-22T23:26:32.03
IV.MTRA.EHE. ML:1.8 0.0003563181 0.3072 AML other m 2020-01-22T23:26:32.30
IV.MTRA.HNE. ML:1.8 0.0003575125 0.2944 AML other m 2020-01-22T23:26:32.30
IV.MTRA.HNN. ML:1.6 0.00024141610000000003 0.256 AML other m 2020-01-22T23:26:31.88
IV.CESI.HHN. ML:1.9 0.00047295045 0.1152 AML other m 2020-01-22T23:26:31.85
IV.CESI.HHE. ML:1.7 0.00029164915000000005 0.1536 AML other m 2020-01-22T23:26:31.64
IV.CESI.HNE. ML:1.7 0.00031004395 0.1792 AML other m 2020-01-22T23:26:31.65
IV.CESI.HNN. ML:1.8 0.0004193443 0.1152 AML other m 2020-01-22T23:26:31.90
IV.MNTT.EHN. ML:1.8 0.00026638505 0.32 AML other m 2020-01-22T23:26:35.78
IV.SNTG.HHE. ML:1.2 0.00004946529500000001 0.1024 AML other m 2020-01-22T23:26:36.59
IV.SNTG.HHN. ML:1.1 0.000046981655 0.128 AML other m 2020-01-22T23:26:38.02
IV.GAVE.EHN. ML:1.6 0.0001409386 0.2816 AML other m 2020-01-22T23:26:35.85
IV.LNSS.HHE. ML:1.7 0.0001815074 0.2816 AML other m 2020-01-22T23:26:37.34
IV.LNSS.HNN. ML:2.2 0.00052348035 0.2048 AML other m 2020-01-22T23:26:36.44
IV.LNSS.HNE. ML:1.7 0.0001600061 0.2816 AML other m 2020-01-22T23:26:37.47
IV.LNSS.HHN. ML:2.2 0.0005680012000000001 0.192 AML other m 2020-01-22T23:26:36.45
IV.EL6.EHE. ML:1.5 0.00011063987999999999 0.1408 AML other m 2020-01-22T23:26:38.15
IV.CAMP.HHE. ML:1.2 0.00003940494 0.192 AML other m 2020-01-22T23:26:38.05
IV.CAMP.HHN. ML:1.2 0.000042902944999999995 0.5248 AML other m 2020-01-22T23:26:39.09
IV.RM33.EHE. ML:1.3 0.000053171995 0.128 AML other m 2020-01-22T23:26:39.77
IV.RM33.EHN. ML:1.2 0.000042339145 0.128 AML other m 2020-01-22T23:26:40.28
IV.FOSV.EHE. ML:1.3 0.000045221829999999997 0.3584 AML other m 2020-01-22T23:26:40.96
IV.ATCC.EHE. ML:1.5 0.000078878725 0.1152 AML other m 2020-01-22T23:26:40.22
IV.MOMA.HHE. ML:1.6 0.000083687695 0.1536 AML other m 2020-01-22T23:26:42.61
IV.MOMA.HHN. ML:1.4 0.00006612019 0.1664 AML other m 2020-01-22T23:26:42.07
IV.SSFR.HHE. ML:1.7 0.00009769295499999999 0.1664 AML other m 2020-01-22T23:26:44.49
IV.SSFR.HHN. ML:1.7 0.00009307726499999999 0.2048 AML other m 2020-01-22T23:26:44.47
IV.SSFR.HNE. ML:1.8 0.00012191322499999999 0.2304 AML other m 2020-01-22T23:26:43.87
IV.CESX.HHN. ML:1.3 0.000036794060000000005 0.2816 AML other m 2020-01-22T23:26:44.28
IV.MURB.HNE. ML:1.9 0.0001585855 0.4352 AML other m 2020-01-22T23:26:45.08
IV.FRON.EHE. ML:1.1 0.00001951231 0.2176 AML other m 2020-01-22T23:26:47.40
IV.FRON.EHN. ML:1.5 0.000042616565 0.384 AML other m 2020-01-22T23:26:48.44
IV.PIEI.HHE. ML:1.2 0.00002058865 0.32 AML other m 2020-01-22T23:26:50.50
IV.PIEI.HHN. ML:1.1 0.000016003484499999998 0.2176 AML other m 2020-01-22T23:26:51.35
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