Earthquake NW Casola in Lunigiana (MS), Magnitude Md 3.0, 20 April 1985 time 01:27:10 (Timezone Italy)

A magnitude Md 3.0 earthquake occured in region: NW Casola in Lunigiana (MS), on

19-04-1985 23:27:10 (UTC)
20-04-1985 01:27:10 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2, 10.17 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.

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Display location by

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).

Municipality	Region	Distance (km)	Inhabitants	Cumulative Inhabitants
Casola in Lunigiana	MS	0	988	988
Minucciano	LU	5	2102	3090
Fivizzano	MS	5	7925	11015
Sillano Giuncugnano	LU	11	1085	12100
Piazza al Serchio	LU	11	2367	14467
Comano	MS	11	714	15181
Licciana Nardi	MS	13	4949	20130
Vagli Sotto	LU	13	939	21069
Camporgiano	LU	14	2176	23245
San Romano in Garfagnana	LU	14	1410	24655
Fosdinovo	MS	14	4883	29538
Carrara	MS	15	63133	92671
Careggine	LU	15	564	93235
Aulla	MS	16	11263	104498
Ortonovo	SP	17	8277	112775
Castelnuovo Magra	SP	17	8415	121190
Tresana	MS	18	2044	123234
Podenzana	MS	18	2180	125414
Massa	MS	19	69479	194893
Villa Collemandina	LU	19	1334	196227
Bagnone	MS	19	1887	198114
Sarzana	SP	20	21976	220090

Municipalities with at least 50000 inhabitants

An earthquake occurred to

15 Km NE of Carrara (63133 inhabitants)

19 Km N of Massa (69479 inhabitants)

29 Km E of La Spezia (93959 inhabitants)

38 Km N of Viareggio (62467 inhabitants)

48 Km NW of Lucca (89046 inhabitants)

57 Km NW of Pisa (89158 inhabitants)

66 Km SW of Reggio nell'Emilia (171345 inhabitants)

67 Km W of Pistoia (90315 inhabitants)

68 Km S of Parma (192836 inhabitants)

73 Km N of Livorno (159219 inhabitants)

78 Km SW of Modena (184973 inhabitants)

82 Km W of Prato (191150 inhabitants)

86 Km SW of Carpi (70699 inhabitants)

95 Km NW of Scandicci (50609 inhabitants)

99 Km W of Bologna (386663 inhabitants)

99 Km W of Firenze (382808 inhabitants)

Recent and historical Seismicity

Not available maps for this sismic event.

Seismic hazard

Not available maps for this sismic event.

Shakemap

Not available maps for this sismic event.

Felt maps

Not available maps for this sismic event.

Locations history

Type	Magnitude	Date and Time (UTC)	Latitude	Longitude	Depth (km)	Published time (UTC)	Author	Location ID
Bulletin Rev1000	Md 3.0	1985-04-19 23:27:10	44.2	10.17	10	2013-07-15 08:41:04	Bollettino Sismico Italiano INGV	5019

Preferred location and magnitude until now.

Origin information

Origin

Field	Value
Time (UTC)	1985-04-19 23:27:10 ± 0.198
Latitude	44.20 ± 0.02
Longitude	10.17 ± 0.02
Depth (km)	10 (operator assigned)
Evaluation mode of Origin	manual
Evaluation status of Origin	reviewed
Version	1000 -> BULLETIN-VAX
Event type	earthquake
Origin ID	5019

Uncertainty

Field	Value
Preferred uncertainty description	horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter)	2347.2
Confidence level of the uncertainty (%)	68

Quality

Field	Value
Largest azimuthal gap in station distribution as seen from epicenter (degree)	84
Number of associated phases, regardless of their use for origin computation	33
Number of defining phases	33
RMS of the travel time residuals of the arrivals used for the origin computation (sec)	0.7
Epicentral distance of station closest to the epicenter (degree)	0.00486
Epicentral distance of station farthest from the epicenter (degree)	0.04169
Number of stations at which the event was observed	18
Number of stations from which data was used for origin computation	18

Magnitude information

Md:3

Field	Value
Value	3
Uncertainty
Num. used stations	3
Type of magnitude	Md
Reference to an origin	5019
Agency	INGV
Autore	Bollettino Sismico Italiano INGV
Time of creation (UTC)	2013-01-04 17:09:32

Picking and Arrival

SCNL	Time	Uncertainty	Polarity	Evaluation_mode	Phase	Azimuth	Distance	Residual	Weight
--.HAU.Z.	1985-04-19T23:29:13.20	10.0	undecidable	manual	SN	326	0.0417	2.21	0
--.LMR.Z.	1985-04-19T23:28:27.40	10.0	undecidable	manual	SN	253	0.025	0.36	0.6
--.BN9.Z.	1985-04-19T23:28:25.00	10.0	undecidable	manual	SN	290	0.0236	1.7	0.1
--.FRF.Z.	1985-04-19T23:28:23.70	10.0	undecidable	manual	SN	257	0.0236	0.55	0.6
--.HAU.Z.	1985-04-19T23:28:20.20	10.0	undecidable	manual	PN	326	0.0417	0.19	1.2
--.CTI.Z.	1985-04-19T23:28:10.00	10.0	undecidable	manual	SN	29	0.019	-1.18	0.3
--.STV.Z.	1985-04-19T23:28:09.80	10.0	undecidable	manual	SN	272	0.0183	0.52	0.7
--.CVF.Z.	1985-04-19T23:28:06.50	10.0	undecidable	manual	SN	210	0.017	0.7	0.6
--.ROB.Z.	1985-04-19T23:28:02.00	10.0	undecidable	manual	SN	274	0.0148	1.93	0.1
--.IMP.Z.	1985-04-19T23:27:59.80	10.0	undecidable	manual	SN	261	0.0149	-0.58	0.7
--.SAL.Z.	1985-04-19T23:27:56.00	10.0	undecidable	manual	SN	10	0.0128	1.27	0.4
--.FIN.Z.	1985-04-19T23:27:55.00	10.0	undecidable	manual	SN	271	0.0126	0.69	0.6
--.CH1.Z.	1985-04-19T23:27:55.50	10.0	undecidable	manual	SN	113	0.0125	1.31	0.3
--.LMR.Z.	1985-04-19T23:27:54.70	10.0	undecidable	manual	PN	253	0.025	0.07	1.7
--.BN9.Z.	1985-04-19T23:27:52.50	10.0	undecidable	manual	PN	290	0.0236	0.02	1.8
--.FRF.Z.	1985-04-19T23:27:52.70	10.0	undecidable	manual	PN	257	0.0236	0.3	1.7
--.ORO.Z.	1985-04-19T23:27:46.50	10.0	undecidable	manual	PN	313	0.0189	1.18	0.8
--.STV.Z.	1985-04-19T23:27:44.20	10.0	undecidable	manual	PN	272	0.0183	-0.18	2
--.CTI.Z.	1985-04-19T23:27:44.50	10.0	undecidable	manual	PN	29	0.019	-0.98	1.1
--.PCN.E.	1985-04-19T23:27:42.00	10.0	undecidable	manual	SG	337	0.0083	0.22	0.8
--.CVF.Z.	1985-04-19T23:27:42.40	10.0	undecidable	manual	PN	210	0.017	0.02	2.1
--.FIR.N.	1985-04-19T23:27:41.00	10.0	undecidable	manual	SG	118	0.0079	0.17	0.8
--.GEN.Z.	1985-04-19T23:27:40.80	10.0	undecidable	manual	SG	284	0.0081	-0.65	0.6
--.IMP.Z.	1985-04-19T23:27:38.20	10.0	undecidable	manual	PN	261	0.0149	-1.04	1.1
--.ROB.Z.	1985-04-19T23:27:38.70	10.0	undecidable	manual	PN	274	0.0148	-0.37	1.9
--.CH1.Z.	1985-04-19T23:27:35.50	10.0	undecidable	manual	PN	113	0.0125	-0.17	2.1
--.SAL.Z.	1985-04-19T23:27:35.00	10.0	undecidable	manual	PN	10	0.0128	-0.98	1.1
--.CK1.Z.	1985-04-19T23:27:34.50	10.0	undecidable	manual	PN	279	0.0123	-0.76	1.5
--.FIN.Z.	1985-04-19T23:27:34.90	10.0	undecidable	manual	PN	271	0.0126	-0.84	1.3
--.FIR.Z.	1985-04-19T23:27:29.50	10.0	undecidable	manual	PG	118	0.0079	1.54	0.5
--.PCN.Z.	1985-04-19T23:27:28.00	10.0	undecidable	manual	PG	337	0.0083	-0.51	1.8
--.GEN.Z.	1985-04-19T23:27:27.20	10.0	undecidable	manual	PG	284	0.0081	-1.11	1
--.PS9.Z.	1985-04-19T23:27:20.50	10.0	undecidable	manual	PG	152	0.0049	-1.08	1

TDMT - Time Domain Moment Tensor

Not available TDMT solution for this seismic event.

Focal Mechanism in the area

Not available maps for this sismic event.

Download

Type	Description	Link
QuakeML - small	Event, Origin, FocalMechanism	Download
QuakeML - full	Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude	Download

Earthquake with magnitude of Md 3.0 on date 20-04-1985 and time 01:27:10 (Italy) in region NW Casola in Lunigiana (MS)

Municipalities within 20 km from the epicenter

Municipalities with at least 50000 inhabitants

Origin

Uncertainty

Quality

Md:3