Earthquake with magnitude of ML 1.6 on date 24-01-2022 and time 17:25:22 (UTC) in region 2 km W Tredozio (FC)

A magnitude ML 1.6 earthquake occured in region: 2 km W Tredozio (FC), on

  • 24-01-2022 17:25:22 (UTC)
  • 24-01-2022 18:25:22 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.0860, 11.7220 at 24 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
Tredozio FC 2 1212 1212
Portico e San Benedetto FC 8 756 1968
Marradi FI 9 3139 5107
Modigliana FC 10 4560 9667
Rocca San Casciano FC 10 1910 11577
Premilcuore FC 13 799 12376
Dovadola FC 14 1653 14029
Palazzuolo sul Senio FI 14 1154 15183
Brisighella RA 16 7639 22822
Casola Valsenio RA 17 2617 25439
Galeata FC 18 2516 27955
San Godenzo FI 19 1167 29122
Civitella di Romagna FC 19 3786 32908

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km SW of Faenza (58541 inhabitants)
30 Km S of Imola (69797 inhabitants)
30 Km SW of Forlì (117913 inhabitants)
42 Km W of Cesena (96758 inhabitants)
51 Km NE of Firenze (382808 inhabitants)
53 Km SW of Ravenna (159116 inhabitants)
55 Km SE of Bologna (386663 inhabitants)
55 Km E of Prato (191150 inhabitants)
56 Km NE of Scandicci (50609 inhabitants)
66 Km E of Pistoia (90315 inhabitants)
68 Km W of Rimini (147750 inhabitants)
70 Km N of Arezzo (99543 inhabitants)
84 Km S of Ferrara (133155 inhabitants)
89 Km SE of Modena (184973 inhabitants)
91 Km NE of Siena (53903 inhabitants)
97 Km W of Pesaro (94582 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 2022-01-24
17:25:22
44.0857 11.7217 24 2022-07-08
12:33:52
Bollettino Sismico Italiano INGV 104074491
Reviewed
Rev100
ML 1.7 2022-01-24
17:25:22
44.0852 11.7305 24 2022-01-24
17:38:15
Sala Sismica INGV-Roma 100145601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-24 17:25:22 ± 0.22
Latitude 44.0857 ± 0.0072
Longitude 11.7217 ± 0.0125
Depth (km) 24 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 104074491

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 895
Semi-minor axis of confidence ellipse (meter) 655
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 239
Circular confidence region, given by single value of horizontal uncertainty (meter) 900.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 140
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) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.01349
Epicentral distance of station farthest from the epicenter (degree) 0.49553
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 100145601
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-01-24 17:38:15

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 104074491
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-05-02 13:16:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRE.HHZ. 2022-01-24T17:25:40.80 0.3 undecidable manual S 160 55.0005 107 0.46 66
IV.FNVD.HHZ. 2022-01-24T17:25:39.43 0.3 undecidable manual S 281 48.5181 109 0.72 62
IV.MTRZ.HHZ. 2022-01-24T17:25:36.19 0.6 undecidable manual S 317 34.5432 118 0.92 39
IV.ASQU.HHZ. 2022-01-24T17:25:35.68 0.3 undecidable manual S 170 32.5452 120 0.88 58
IV.BOSL.HHZ. 2022-01-24T17:25:35.10 0.3 undecidable manual S 238 32.6451 120 0.28 72
IV.RUFI.EHZ. 2022-01-24T17:25:34.50 0.3 undecidable manual S 212 32.2455 120 -0.25 72
IV.SEI.HHZ. 2022-01-24T17:25:34.10 0.3 undecidable manual S 263 29.1486 123 0.07 76
IV.VISG.HHZ. 2022-01-24T17:25:33.20 0.3 undecidable manual S 297 25.5522 127 -0.05 75
IV.SFI.EHZ. 2022-01-24T17:25:32.70 0.3 undecidable manual S 153 22.4553 131 0.1 76
IV.CRE.HHZ. 2022-01-24T17:25:32.90 0.3 undecidable manual P 160 55.0005 107 0.01 72
IV.BRIS.HHZ. 2022-01-24T17:25:31.70 0.3 undecidable manual S 13 15.7731 142 0.31 74
IV.FNVD.HHZ. 2022-01-24T17:25:31.99 0.1 undecidable manual P 281 48.5181 109 0.04 98
IV.MTRZ.HHZ. 2022-01-24T17:25:30.31 0.1 undecidable manual P 317 34.5432 118 0.35 94
IV.RUFI.EHZ. 2022-01-24T17:25:29.29 0.3 undecidable manual P 212 32.2455 120 -0.37 71
IV.ASQU.HHZ. 2022-01-24T17:25:29.52 0.3 undecidable manual P 170 32.5452 120 -0.17 74
IV.LMD.HHZ. 2022-01-24T17:25:29.88 0.3 undecidable manual S 231 1.4985 176 -0.11 77
IV.BOSL.HHZ. 2022-01-24T17:25:29.54 0.1 undecidable manual P 238 32.6451 120 -0.16 98
IV.SEI.HHZ. 2022-01-24T17:25:28.88 0.3 undecidable manual P 263 29.1486 123 -0.37 71
IV.SFI.EHZ. 2022-01-24T17:25:28.24 0.1 undecidable manual P 153 22.4553 131 -0.18 100
IV.VISG.HHZ. 2022-01-24T17:25:28.40 0.1 undecidable manual P 297 25.5522 127 -0.4 94
IV.BRIS.HHZ. 2022-01-24T17:25:27.35 0.1 undecidable manual P 13 15.7731 142 -0.37 97
IV.LMD.HHZ. 2022-01-24T17:25:26.45 0.1 positive manual P 231 1.4985 176 -0.46 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LMD.HHN. ML:2.1 0.000857 0.12 AML other m 2022-01-24T17:25:30.29
IV.LMD.HHE. ML:2.0 0.0006810000000000001 0.12 AML other m 2022-01-24T17:25:30.39
IV.BRIS.HHE. ML:1.5 0.00017818594999999997 0.2816 AML other m 2022-01-24T17:25:32.27
IV.BRIS.HHN. ML:1.5 0.0001846412 0.1664 AML other m 2022-01-24T17:25:32.46
IV.SFI.HNE. ML:1.9 0.000357 0.3 AML other m 2022-01-24T17:25:33.22
IV.SFI.EHE. ML:1.8 0.0002710483 0.256 AML other m 2022-01-24T17:25:33.21
IV.SFI.HNN. ML:1.7 0.00023032245499999998 0.32 AML other m 2022-01-24T17:25:33.32
IV.SFI.EHN. ML:1.7 0.0002137734 0.32 AML other m 2022-01-24T17:25:33.32
IV.SEI.HHE. ML:2.1 0.000467 1.78 AML other m 2022-01-24T17:25:35.10
IV.RUFI.EHN. ML:1.4 0.00008255223000000001 0.256 AML other m 2022-01-24T17:25:35.39
IV.RUFI.EHE. ML:1.2 0.000055078915 0.2304 AML other m 2022-01-24T17:25:35.42
IV.SEI.HHN. ML:2.1 0.0005035 0.24 AML other m 2022-01-24T17:25:35.81
IV.BOSL.HHN. ML:0.9 0.00002936152 1.7056 AML other m 2022-01-24T17:25:36.04
IV.ASQU.HHN. ML:1.3 0.000074838005 0.256 AML other m 2022-01-24T17:25:36.20
IV.ASQU.HHE. ML:1.7 0.0001805 0.22 AML other m 2022-01-24T17:25:36.81
IV.BOSL.HHE. ML:0.6 0.000016601995 1.7952 AML other m 2022-01-24T17:25:37.09
IV.MTRZ.HHE. ML:1.8 0.00023299999999999997 1.5 AML other m 2022-01-24T17:25:37.93
IV.MTRZ.HHN. ML:1.9 0.0002715 1.6 AML other m 2022-01-24T17:25:39.16
IV.FNVD.HHE. ML:1.5 0.000067684475 0.2048 AML other m 2022-01-24T17:25:40.35
IV.FNVD.HHN. ML:1.7 0.00012063889999999999 0.2688 AML other m 2022-01-24T17:25:40.36
IV.CRE.HHE. ML:1.3 0.000045432839499999994 1.6288 AML other m 2022-01-24T17:25:42.12
IV.CRE.HHN. ML:1.6 0.00009015000000000001 0.42 AML other m 2022-01-24T17:25:42.15
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