Earthquake 1 km W Zuccarello (SV), Magnitude M 2.0, 27 February 1985 time 12:52:30 (Timezone UTC)

A magnitude M 2.0 earthquake occured in region: 1 km W Zuccarello (SV), on

27-02-1985 12:52:30 (UTC)
27-02-1985 13:52:30 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.1120, 8.1010 at 9 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
Zuccarello	SV	1	309	309
Castelbianco	SV	2	330	639
Castelvecchio di Rocca Barbena	SV	3	145	784
Erli	SV	3	245	1029
Arnasco	SV	4	645	1674
Cisano sul Neva	SV	5	2085	3759
Vendone	SV	5	388	4147
Nasino	SV	6	207	4354
Onzo	SV	6	219	4573
Balestrino	SV	6	595	5168
Ortovero	SV	6	1586	6754
Alto	CN	8	128	6882
Villanova d'Albenga	SV	8	2657	9539
Aquila d'Arroscia	IM	8	166	9705
Garlenda	SV	9	1254	10959
Toirano	SV	9	2644	13603
Ranzo	IM	9	557	14160
Bardineto	SV	9	756	14916
Casanova Lerrone	SV	10	749	15665
Boissano	SV	10	2492	18157
Ceriale	SV	11	5561	23718
Garessio	CN	11	3244	26962
Borghetto d'Arroscia	IM	11	456	27418
Albenga	SV	11	24213	51631
Borghetto Santo Spirito	SV	11	4948	56579
Caprauna	CN	12	104	56683
Stellanello	SV	13	808	57491
Loano	SV	13	11407	68898
Alassio	SV	13	10934	79832
Testico	SV	13	196	80028
Vessalico	IM	13	282	80310
Giustenice	SV	14	977	81287
Calizzano	SV	14	1475	82762
Magliolo	SV	15	974	83736
Armo	IM	15	111	83847
Cesio	IM	15	283	84130
Pietra Ligure	SV	15	8992	93122
Tovo San Giacomo	SV	15	2582	95704
Ormea	CN	16	1617	97321
Laigueglia	SV	16	1810	99131
Villa Faraldi	IM	16	444	99575
Priola	CN	16	701	100276
Pieve di Teco	IM	16	1338	101614
Borgio Verezzi	SV	17	2205	103819
Andora	SV	17	7552	111371
Caravonica	IM	17	282	111653
Chiusanico	IM	18	607	112260
Rialto	SV	18	564	112824
Chiusavecchia	IM	18	577	113401
Diano Arentino	IM	19	722	114123
Calice Ligure	SV	19	1730	115853
Pornassio	IM	19	685	116538
Lucinasco	IM	19	272	116810
Borgomaro	IM	20	865	117675

Municipalities with at least 50000 inhabitants

An earthquake occurred to

37 Km SW of Savona (61345 inhabitants)

41 Km NE of Sanremo (54807 inhabitants)

54 Km SE of Cuneo (56081 inhabitants)

74 Km W of Genova (586655 inhabitants)

88 Km S of Asti (76202 inhabitants)

98 Km SW of Alessandria (93943 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	M 2.0	1985-02-27 12:52:30	44.112	8.101	9	2013-07-15 08:40:51	Bollettino Sismico Italiano INGV	2699

Preferred location and magnitude until now.

Origin information

Origin

Field	Value
Time (UTC)	1985-02-27 12:52:30 ± 0.204
Latitude	44.1120 ± 0.0404
Longitude	8.1010 ± 2.1999
Depth (km)	9 ± 168 (from location)
Evaluation mode of Origin	manual
Evaluation status of Origin	reviewed
Version	1000 -> BULLETIN-VAX
Event type	earthquake
Origin ID	2699

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)	175688.4
Confidence level of the uncertainty (%)	68

Quality

Field	Value
Largest azimuthal gap in station distribution as seen from epicenter (degree)	178
Number of associated phases, regardless of their use for origin computation	6
Number of defining phases	6
RMS of the travel time residuals of the arrivals used for the origin computation (sec)	0.1
Epicentral distance of station closest to the epicenter (degree)	0.00105
Epicentral distance of station farthest from the epicenter (degree)	0.00219
Number of stations at which the event was observed	3
Number of stations from which data was used for origin computation	3

Magnitude information

M:2.0

Field	Value
Value	2.0
Uncertainty
Num. used stations
Type of magnitude	M
Reference to an origin	2699
Agency	INGV
Autore	Bollettino Sismico Italiano INGV
Time of creation (UTC)	2015-04-28 09:48:29

Picking and Arrival

SCNL	Time	Uncertainty	Polarity	Evaluation_mode	Phase	Azimuth	Distance(km)	Residual	Weight
--.ROB.Z.	1985-02-27T12:52:40.00	10.0	undecidable	manual	SG	319	0.2442	-0.16	0.2
--.IMP.Z.	1985-02-27T12:52:39.90	10.0	undecidable	manual	SG	217	0.2442	-0.1	0.5
--.ROB.Z.	1985-02-27T12:52:36.00	10.0	positive	manual	PG	319	0.2442	0.11	1.1
--.FIN.Z.	1985-02-27T12:52:35.60	10.0	undecidable	manual	SG	38	0.1221	-0.17	0.2
--.IMP.Z.	1985-02-27T12:52:35.80	10.0	undecidable	manual	PG	217	0.2442	0.01	2
--.FIN.Z.	1985-02-27T12:52:33.40	10.0	undecidable	manual	PG	38	0.1221	0.04	2

TDMT - Time Domain Moment Tensor

Not available TDMT solution for this seismic event.

Fault Plane solutions 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 M 2.0 on date 27-02-1985 and time 12:52:30 (UTC) in region 1 km W Zuccarello (SV)

Municipalities within 20 km from the epicenter

Municipalities with at least 50000 inhabitants

Origin

Uncertainty

Quality

M:2.0