Earthquake with magnitude of ML 1.0 on date 30-01-2022 and time 22:02:56 (UTC) in region 1 km SW Rocca San Casciano (FC)

A magnitude ML 1.0 earthquake occured in region: 1 km SW Rocca San Casciano (FC), on

  • 30-01-2022 22:02:56 (UTC)
  • 30-01-2022 23:02:56 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.0540, 11.8390 at 25 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
Rocca San Casciano FC 1 1910 1910
Portico e San Benedetto FC 6 756 2666
Tredozio FC 8 1212 3878
Dovadola FC 9 1653 5531
Galeata FC 9 2516 8047
Civitella di Romagna FC 10 3786 11833
Premilcuore FC 10 799 12632
Modigliana FC 12 4560 17192
Predappio FC 13 6346 23538
Santa Sofia FC 13 4136 27674
Castrocaro Terme e Terra del Sole FC 16 6426 34100
Marradi FI 18 3139 37239
Brisighella RA 20 7639 44878
Meldola FC 20 9970 54848

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km SW of Forlì (117913 inhabitants)
26 Km S of Faenza (58541 inhabitants)
34 Km W of Cesena (96758 inhabitants)
35 Km S of Imola (69797 inhabitants)
50 Km SW of Ravenna (159116 inhabitants)
56 Km NE of Firenze (382808 inhabitants)
58 Km W of Rimini (147750 inhabitants)
62 Km NE of Scandicci (50609 inhabitants)
62 Km E of Prato (191150 inhabitants)
63 Km SE of Bologna (386663 inhabitants)
65 Km N of Arezzo (99543 inhabitants)
75 Km E of Pistoia (90315 inhabitants)
88 Km W of Pesaro (94582 inhabitants)
89 Km S of Ferrara (133155 inhabitants)
91 Km NE of Siena (53903 inhabitants)
97 Km W of Fano (60888 inhabitants)
98 Km SE of Modena (184973 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 1.0 2022-01-30
22:02:56
44.054 11.8387 25 2022-01-30
22:23:31
Sala Sismica INGV-Roma 100378191
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-30 22:02:56 ± 0.24
Latitude 44.0540 ± 0.0090
Longitude 11.8387 ± 0.0138
Depth (km) 25 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 100378191

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1041
Semi-minor axis of confidence ellipse (meter) 475
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 282
Circular confidence region, given by single value of horizontal uncertainty (meter) 1040.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 161
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.09713
Epicentral distance of station farthest from the epicenter (degree) 0.50452
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 100378191
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-01-30 22:23:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PARC.HHZ. 2022-01-30T22:03:15.00 0.6 undecidable manual S 144 55.2003 108 0.53 40
IV.RUFI.EHZ. 2022-01-30T22:03:09.98 0.6 undecidable manual S 228 35.5422 119 0.32 46
IV.ASQU.HHZ. 2022-01-30T22:03:08.30 0.6 undecidable manual S 188 28.8489 125 0.17 47
IV.FIR.HHZ. 2022-01-30T22:03:07.40 0.3 undecidable manual P 237 55.9995 108 0.34 65
IV.BRIS.HHZ. 2022-01-30T22:03:07.18 1.0 undecidable manual S 343 19.7691 137 0.87 19
IV.PARC.HHZ. 2022-01-30T22:03:06.35 1.0 positive manual P 144 55.2003 108 -0.59 21
IV.SFI.EHZ. 2022-01-30T22:03:05.65 0.6 undecidable manual S 178 16.5723 143 -0.11 50
IV.LMD.HHZ. 2022-01-30T22:03:04.99 0.6 undecidable manual S 284 10.7781 154 0.04 51
IV.RUFI.EHZ. 2022-01-30T22:03:03.89 0.1 undecidable manual P 228 35.5422 119 -0.27 92
IV.BRIS.HHZ. 2022-01-30T22:03:02.21 0.1 undecidable manual P 343 19.7691 137 -0.02 100
IV.ASQU.HHZ. 2022-01-30T22:03:02.98 1.0 negative manual P 188 28.8489 125 -0.31 23
IV.SFI.EHZ. 2022-01-30T22:03:01.66 0.1 undecidable manual P 178 16.5723 143 -0.26 96
IV.LMD.HHZ. 2022-01-30T22:03:01.16 1.0 negative manual P 284 10.7781 154 -0.29 24
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LMD.HHE. ML:1.3 0.00010738274000000001 0.064 AML other m 2022-01-30T22:03:05.61
IV.LMD.HHN. ML:1.5 0.00017242342499999998 0.128 AML other m 2022-01-30T22:03:05.74
IV.BRIS.HHE. ML:0.9 0.00004241968 0.1408 AML other m 2022-01-30T22:03:07.94
IV.BRIS.HHN. ML:1.1 0.0000653 1.52 AML other m 2022-01-30T22:03:08.94
IV.ASQU.HHE. ML:1.3 0.00007455000000000001 0.26 AML other m 2022-01-30T22:03:08.61
IV.ASQU.HHN. ML:0.9 0.00003065 0.22 AML other m 2022-01-30T22:03:08.54
IV.SFI.EHE. ML:0.7 0.00002369145 0.2176 AML other m 2022-01-30T22:03:06.50
IV.SFI.EHN. ML:0.7 0.000023467294999999998 0.1152 AML other m 2022-01-30T22:03:06.05
IV.BRIS.HNE. ML:1.5 0.00014132014 0.7168 AML other m 2022-01-30T22:03:11.59
IV.BRIS.HNN. ML:1.6 0.00018674165 0.8448 AML other m 2022-01-30T22:03:17.58
IV.RUFI.EHE. ML:0.8 0.000018597805 0.2816 AML other m 2022-01-30T22:03:10.44
IV.RUFI.EHN. ML:0.8 0.00001894759 0.2944 AML other m 2022-01-30T22:03:10.37
IV.PARC.HHE. ML:0.7 0.0000094911675 1.28 AML other m 2022-01-30T22:03:22.73
IV.PARC.HHN. ML:0.7 0.0000109459655 0.5632 AML other m 2022-01-30T22:03:17.09
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download