Earthquake with magnitude of ML 1.0 on date 13-05-2022 and time 12:03:05 (Italy) in region 4 km NW Riolo Terme (RA)

A magnitude ML 1.0 earthquake occured in region: 4 km NW Riolo Terme (RA), on

  • 13-05-2022 10:03:05 (UTC)
  • 13-05-2022 12:03:05 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3080, 11.7120 at 10 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
Riolo Terme RA 4 5720 5720
Imola BO 5 69797 75517
Castel Bolognese RA 7 9554 85071
Casalfiumanese BO 8 3438 88509
Dozza BO 9 6652 95161
Borgo Tossignano BO 10 3288 98449
Brisighella RA 11 7639 106088
Casola Valsenio RA 12 2617 108705
Solarolo RA 12 4488 113193
Mordano BO 13 4760 117953
Bagnara di Romagna RA 13 2429 120382
Fontanelice BO 13 1943 122325
Faenza RA 14 58541 180866
Castel San Pietro Terme BO 14 20811 201677
Castel Guelfo di Bologna BO 14 4455 206132
Modigliana FC 18 4560 210692
Massa Lombarda RA 18 10653 221345
Sant'Agata sul Santerno RA 19 2862 224207
Castel del Rio BO 20 1246 225453
Medicina BO 20 16739 242192

Municipalities with at least 50000 inhabitants

An earthquake occurred to
5 Km S of Imola (69797 inhabitants)
14 Km W of Faenza (58541 inhabitants)
28 Km W of Forlì (117913 inhabitants)
36 Km SE of Bologna (386663 inhabitants)
41 Km W of Ravenna (159116 inhabitants)
46 Km W of Cesena (96758 inhabitants)
59 Km S of Ferrara (133155 inhabitants)
68 Km NE of Prato (191150 inhabitants)
70 Km NE of Firenze (382808 inhabitants)
73 Km SE of Modena (184973 inhabitants)
73 Km W of Rimini (147750 inhabitants)
74 Km NE of Scandicci (50609 inhabitants)
76 Km NE of Pistoia (90315 inhabitants)
84 Km SE of Carpi (70699 inhabitants)
85 Km S of Rovigo (51867 inhabitants)
95 Km N of Arezzo (99543 inhabitants)
96 Km E of Reggio nell'Emilia (171345 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 1.0 2022-05-13
10:03:05
44.308 11.7118 10 2023-01-31
19:03:29
Bollettino Sismico Italiano INGV 108068741
Reviewed
Rev100
ML 1.5 2022-05-13
10:03:04
44.3597 11.9058 9 2022-05-13
10:10:46
Sala Sismica INGV-Roma 104572901
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-05-13 10:03:05 ± 0.55
Latitude 44.3080 ± 0.0243
Longitude 11.7118 ± 0.0239
Depth (km) 10 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 108068741

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2924
Semi-minor axis of confidence ellipse (meter) 754
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 206
Circular confidence region, given by single value of horizontal uncertainty (meter) 2920.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 244
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.52
Epicentral distance of station closest to the epicenter (degree) 0.09173
Epicentral distance of station farthest from the epicenter (degree) 0.41459
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 104572901
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-05-13 10:10:46

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 108068741
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-08-03 15:05:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SFI.EHZ. 2022-05-13T10:03:21.45 0.6 undecidable manual S 166 46.0206 50 0.81 38
IV.VISG.HHZ. 2022-05-13T10:03:15.14 0.3 undecidable manual S 239 25.752 111 -0.01 75
IV.LMD.HHZ. 2022-05-13T10:03:15.23 0.3 undecidable manual S 181 25.5522 111 0.12 74
IV.SFI.EHZ. 2022-05-13T10:03:13.99 0.3 undecidable manual P 166 46.0206 50 -0.3 68
IV.BRIS.HHZ. 2022-05-13T10:03:11.29 0.6 undecidable manual S 155 10.1787 134 0.77 42
IV.MTRZ.HHZ. 2022-05-13T10:03:11.34 0.3 undecidable manual P 271 22.755 113 0.76 61
IV.LMD.HHZ. 2022-05-13T10:03:10.47 0.1 undecidable manual P 181 25.5522 111 -0.63 86
IV.VISG.HHZ. 2022-05-13T10:03:10.72 0.3 undecidable manual P 239 25.752 111 -0.4 69
IV.BRIS.HHZ. 2022-05-13T10:03:08.29 0.1 undecidable manual P 155 10.1787 134 -0.16 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BRIS.HNN. ML:1.4 0.00033454649999999997 0.2624 AML other m 2022-05-13T10:03:11.44
IV.BRIS.HHE. ML:1.0 0.00012167462 0.256 AML other m 2022-05-13T10:03:12.40
IV.BRIS.HNE. ML:1.4 0.00029453315000000003 0.2496 AML other m 2022-05-13T10:03:12.41
IV.BRIS.HHN. ML:1.1 0.0001628568 0.16 AML other m 2022-05-13T10:03:11.44
IV.VISG.HHN. ML:1.0 0.00006209999999999999 0.14 AML other m 2022-05-13T10:03:16.13
IV.VISG.HHE. ML:1.0 0.00005448678 0.16 AML other m 2022-05-13T10:03:16.26
IV.LMD.HHE. ML:1.0 0.00005445079999999999 0.1408 AML other m 2022-05-13T10:03:15.79
IV.LMD.HHN. ML:0.9 0.000050688885 0.1216 AML other m 2022-05-13T10:03:15.45
IV.MTRZ.HHN. ML:1.2 0.000098187065 0.3008 AML other m 2022-05-13T10:03:19.75
IV.MTRZ.HHE. ML:1.1 0.00007931869499999999 0.2432 AML other m 2022-05-13T10:03:19.68
IV.SFI.EHE. ML:0.5 0.000010782167500000001 0.1408 AML other m 2022-05-13T10:03:22.66
IV.SFI.EHN. ML:0.5 0.0000082873345 0.1408 AML other m 2022-05-13T10:03:21.96
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